The coordinates of B of the diameter of the circle is: (5, -1).
How to Find the Coordinates of the Endpoints of the Diameter of a Circle?Since AB is a diameter of the circle, its midpoint will be the center of the circle, which is given to be (1, 1). Therefore, we can find the coordinates of point B by using the midpoint formula.
Midpoint formula:
The midpoint of a line segment with endpoints (x1, y1) and (x2, y2) is ((x1+x2)/2, (y1+y2)/2).
Let A be (-3, 3), which is one endpoint of the diameter AB. Let B be the other endpoint of the diameter AB.
Since the midpoint of AB is (1, 1), we have:
((x-coordinate of A + x-coordinate of B)/2, (y-coordinate of A + y-coordinate of B)/2) = (1, 1)
Substituting the coordinates of point A, we get:
((-3 + x-coordinate of B)/2, (3 + y-coordinate of B)/2) = (1, 1)
Multiplying both sides of each equation by 2, we get:
(-3 + x-coordinate of B, 3 + y-coordinate of B) = (2, 2)
Adding 3 to both sides of the first equation and subtracting 3 from both sides of the second equation, we get:
(x-coordinate of B, y-coordinate of B) = (2+3, 2-3) = (5, -1)
Therefore, the coordinates of point B are (5, -1).
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Find the value of x. Round your answer to the nearest tenth.
x
X =
18
23°
Not drawn to scale
Answer:
See below.
Step-by-step explanation:
We are given the value of an angle, and the hypotenuse.
x will equal 7.0
Using Trigonometry Functions, we can identify x.
[tex]\textsf{Trigonometry Functions:}[/tex]
[tex]Sin = \frac{Opposite}{Hypotenuse}[/tex]
[tex]Cosine = \frac{Adjacent}{Hypotenuse}[/tex]
[tex]Tan = \frac{Opposite}{Adjacent}[/tex]
[tex]\fbox{We should use Sin.}[/tex]
Let's begin by solving for x.
[tex]\textsf{\underline{We should use;}}[/tex]
[tex]{Sin(23^{\circ})}[/tex]
[tex]\textsf{\underline{Solve for x:}}[/tex]
[tex]Sin(23^{\circ})=\frac{x}{18}[/tex]
[tex]\textsf{\underline{Multiply by 18:}}[/tex]
[tex]18 \times Sin(23^{\circ})={x}[/tex]
[tex]x \approx 7.0[/tex]
HELP PLEASE FAST!!! How do I do this???
If a catapult launches a boulder at an initial height of 15ft and it hits the ground after 6. 7 seconds. A) What was the boulder's initial velocity?
b) What was the maximum height reached by the boulder?
a) The initial velocity of the boulder was 117.39 ft/s.
b) The maximum height reached by the boulder was 214.48 ft.
We can use the equations of motion to solve this problem. Let's assume that the acceleration due to gravity is -32 ft/s² (negative because it acts downwards).
a) We can use the following equation to find the initial velocity (v₀) of the boulder:
h = v₀t + 0.5at²
where h is the initial height (15ft), t is the time it takes to hit the ground (6.7s), and a is the acceleration due to gravity (-32 ft/s²).
Plugging in the values, we get:
15 = v₀(6.7) + 0.5(-32)(6.7)²
Solving for v₀, we get:
v₀ = 117.39 ft/s (rounded to two decimal places)
Therefore, the initial velocity of the boulder was 117.39 ft/s.
b) To find the maximum height reached by the boulder, we can use the following equation:
v² = v₀² + 2ah
where v is the final velocity (0 ft/s at the maximum height), v₀ is the initial velocity (which we just found to be 117.39 ft/s), a is the acceleration due to gravity (-32 ft/s²), and h is the maximum height we want to find.
Plugging in the values, we get:
0² = (117.39)² + 2(-32)h
Solving for h, we get:
h = 214.48 ft (rounded to two decimal places)
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The graphs of y = |x|_ and y= |x + 2|
are shown on the grid below.
y
-9
-9-8-7-6-5-4-3-2-1
98
-8
-7
-4
-3
65432
-2
№
-3
-4
56
-5
-6
-7
-8
-9
2 3 4 5 6 7 8 9
√x
Key
= y = |x+2|
= y = |x|
What is the solution to |x| > |x + 2| ?
The solution to |x| > |x + 2| is x < -2. This can be determined by looking at the two graphs on the grid, y = |x| and y = |x + 2|.
What is inequality?Inequality is the concept of representing a relationship between two values using a mathematical symbol. This can be used to express various forms of comparison such as greater than, less than, and not equal to. Inequality is an important concept for understanding and applying mathematical principles, such as in algebra and calculus.
The graph of y = |x| is a straight line at y = 0, and increases as x moves further away from 0. The graph of y = |x + 2| has a minimum at x = -2, and increases as x moves further away from -2. Therefore, at all locations where x is less than -2, the value of |x| is greater than the value of |x + 2|. These locations are all solutions to the inequality |x| > |x + 2|.
To visualize this solution, we can look at the graph of the two functions and see that the value of |x| is greater than the value of |x + 2| when x is less than -2. This can also be seen by looking at the numerical values of the two functions; for any x less than -2, the absolute value of x will be greater than the absolute value of x + 2.
In conclusion, the solution to the inequality |x| > |x + 2| is x < -2. This can be seen visually on the graph of the two functions, and can also be determined by looking at the numerical values of the two functions.
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a girl is about to enter puberty. how long will the total process take? group of answer choices about 5 years, for every child about 2 years, for every child about 9 years, for every child a variable length of time for different girls
The total duration of the puberty process can be different for each girl who is about to enter it, as the length of time for the different stages of puberty can vary from person to person. Hence, if a girl is about to enter puberty, the total process will take a variable length of time for different girls.
The total process of puberty for a girl can take a variable length of time, but typically it takes around 2 to 5 years to complete. The onset of puberty usually occurs between the ages of 8 and 13, with most girls starting around age 11.
The process of puberty includes physical changes such as breast development, the growth of pubic and underarm hair, and the onset of menstruation.
The duration of puberty can also depend on factors such as genetics, nutrition, and overall health. Some girls may experience a shorter or longer duration of puberty than others. However, in general, the process of puberty for a girl usually takes around 2 to 5 years to complete.
Therefore, the correct answer is "a variable length of time for different girls", but typically takes around 2 to 5 years to complete.
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I need help fast asap
The value of the logarithm expression are
1. ln 35.2 = 3.561046
2. ln (2/3) ≈ -0.405465108
What is the value of the expression1. ln 35.2:
We can evaluate ln 35.2 using a calculator or by using the identity:
ln x = y if and only if e^y = x
So, we need to find e^y = 35.2, where y is the value we're looking for. Taking the natural logarithm of both sides, we get:
ln e^y = ln 35.2
y ln e = ln 35.2
y = ln 35.2
Therefore, ln 35.2 ≈ 3.561046 (using a calculator).
2. ln (2/3):
We can use the identity:
ln (a/b) = ln a - ln b
to rewrite ln (2/3) as:
ln 2 - ln 3
Therefore, ln (2/3) ≈ -0.405465108 (using a calculator).
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The difference in height between the whale and the ship is -1,040
If the difference in height between the whale and the ship is -1,040, the height of the whale is 2,200 meters.
The difference in height between the whale and the ship is -1,040. If the ship is 3,240 meters tall, we can use this information to determine the height of the whale.
Let h be the height of the whale. We know that the difference in height between the whale and the ship is -1,040, which we can express as:
h - 3,240 = -1,040
To solve for h, we can add 3,240 to both sides of the equation:
h = 3,240 - 1,040
Simplifying the right-hand side of the equation, we get:
h = 2,200
In summary, we can use the given difference in height and the height of the ship to set up an equation that relates the height of the whale to the height of the ship. By solving this equation for the height of the whale, we can determine that the whale is 2,200 meters tall.
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Complete question is:
The difference in height between the whale and the ship is -1,040. If the ship is 3,240 meters tall, what is the height of the whale?
Triangle D has been dilated to create triangle D'. Use the image to answer the question.
Determine the scale factor used.
1/2
2
1/4
3
Answer:
Scale factor is 1/2
Step-by-step explanation:
2.4 x 2 = 4.8
4.8/2 = 2.4
same here
2.1 x 2 = 4.2
4.2/2 = 2.4
3.8/2 =1.9
can I get brainliest thanks
if the batter is at the back of the batter's box and the ball is at 80mph, how long does it take to reach the batter
It takes 0.55 secοnds fοr a ball traveling at 80 mph tο reach a batter that is pοsitiοned at the back οf the batter's bοx.
What is speed?Speed is defined as the distance traveled by an οbject in a given amοunt οf time. Speed is a scalar quantity, meaning that it has magnitude but nο directiοn.
Mathematically, speed is calculated as fοllοws:
speed = distance/time
Where "distance" is the distance travelled by the οbject, and "time" is the time it takes fοr the οbject tο travel that distance.
Tο determine hοw lοng it takes fοr the ball tο reach the batter, we need tο use the fοrmula fοr time:
time = distance/speed
First, we need tο determine the distance frοm the pitcher's mοund tο the batter's bοx. Accοrding tο Majοr League Baseball rules, the distance frοm the pitcher's mοund tο hοme plate is 60 feet, 6 inches (18.44 meters). The batter's bοx is typically 4 feet (1.22 meters) behind hοme plate, sο the distance frοm the pitcher's mοund tο the back οf the batter's bοx is:
distance = 60 ft 6 in + 4 ft = 64 ft 6 in = 19.66 meters
Next, we cοnvert the speed οf the ball frοm miles per hοur (mph) tο meters per secοnd (m/s). One mile is equal tο 1,609.34 meters, and οne hοur is equal tο 3,600 secοnds, sο we can cοnvert mph tο m/s using the fοllοwing fοrmula:
speed in m/s = (speed in mph * 0.44704)
Therefοre, the speed οf the ball in m/s is:
speed = 80 mph * 0.44704 = 35.76 m/s
Nοw we can calculate the time it takes fοr the ball tο reach the batter:
time = distance/speed
time = 19.66 meters / 35.76 m/s
time = 0.55 secοnds
Therefοre, it takes apprοximately 0.55 secοnds fοr a ball traveling at 80 mph tο reach a batter that is pοsitiοned at the back οf the batter's bοx.
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6. Assume that the life of a packaged magnetic disk exposed to corrosive gases has a Weibull distribution with β = 0. 5 and the mean life is 600 hours. A) Determine the probability that a disk lasts at least 500 hours. B) Probability that a disk fails before 400 hours
A) Determine the probability that a disk lasts at least 500 hours.= 0.275
B) Probability that a disk fails before 400 hours=0.685
Probability refers to potential. A random event's occurrence is the subject of this area of mathematics. The range of the value is 0 to 1. Mathematics has incorporated probability to forecast the likelihood of various events. The degree to which something is likely to happen is basically what probability means. You will understand the potential outcomes for a random experiment using this fundamental theory of probability, which is also applied to the probability distribution. Knowing the total number of outcomes is necessary before we can calculate the likelihood that a specific event will occur.
Remind the formula for CDF of Weibull random variable X
[tex]F(x)=1-e^{-(x/\delta)^{\beta}[/tex]
Now apply this formula for the Weibull variable X with the parameters β=0.5 and δ to be deduced from the mean of 600. The formula for the mean is:
[tex]600=\delta\Gamma(1+2)=\delta*2!\\\\\delta=300\\Finally\\\\P(x > 500)=1-F(500)=e^({-5/3})^{0.3}=0.275\\\\p(x < 400)=f(400)=0.685[/tex]
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Color-blindness is any abnormality of the color vision system that causes a person to see colors differently than most people or to have difficulty distinguishing among certain colors (www.visionrx.xom).
Color-blindness is gender-based, with the majority of sufferers being males.
Roughly 8% of white males have some form of color-blindness, while the incidence among white females is only 1%.
A random sample of 20 white males and 40 white females was chosen.
Let X be the number of males (out of the 20) who are color-blind.
Let Y be the number of females (out of the 40) who are color-blind.
Let Z be the total number of color-blind individuals in the sample (males and females together).
Question 1
Select one answer.
10 points
Which of the following is true regarding the random variables X and Y?
Both X and Y can be well-approximated by normal random variables.
Only X can be well-approximated by a normal random variable.
Only Y can be well-approximated by a normal random variable.
Neither X nor Y can be well-approximated by a normal random variable.
The remaining questions refer to the following information:
Suppose the scores on an exam are normally distributed with a mean ? = 75 points, and standard deviation ? = 8 points.
Question 2
Select one answer.
10 points
The instructor wanted to "pass" anyone who scored above 69. What proportion of exams will have passing scores?
.25
.75
.2266
.7734
-.75
Question 3
Select one answer.
10 points
What is the exam score for an exam whose z-score is 1.25?
65
75
85
.8944
.1056
Question 4
Select one answer.
10 points
Suppose that the top 4% of the exams will be given an A+. In order to be given an A+, an exam must earn at least what score?
61
73
.516
77
89
Neither X nor Y can be well-approximated by a normal random variable, the proportion of exams with passing scores is .7734, the exam score for an exam whose z-score is 1.25 is 85 and if the top 4% of the exams will be given an A+, in order to be given an A+, an exam must earn at least 89 score.
Question 1: Neither X nor Y can be well-approximated by a normal random variable. This is because both X and Y are discrete random variables, meaning they can only take on integer values. Normal random variables, on the other hand, are continuous and can take on any value within a certain range.
Therefore, neither X nor Y can be well-approximated by a normal random variable.
Question 2: The proportion of exams with passing scores is .7734. This can be found by calculating the z-score for a score of 69 and using a z-table to find the corresponding proportion. The z-score is (69-75)/8 = -0.75. Using a z-table, we find that the proportion of exams with scores less than 69 is .2266.
Therefore, the proportion of exams with passing scores is 1-.2266 = .7734.
Question 3: The exam score for an exam whose z-score is 1.25 is 85. This can be found by using the formula for z-scores: z = (x-µ)/σ. Plugging in the values for z, µ, and σ, we get 1.25 = (x-75)/8.
Solving for x, we get x = 85.
Question 4: In order to be given an A+, an exam must earn at least a score of 89. This can be found by using the formula for z-scores and a z-table. We know that the top 4% of exams will be given an A+, so we need to find the z-score that corresponds to the top 4%. Using a z-table, we find that this z-score is 1.75.
Plugging this into the formula for z-scores, we get 1.75 = (x-75)/8. Solving for x, we get x = 89.
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Assume a Normal distribution with a known variance_ Calculate the Lower Confidence Level (LCL) and Upper Confidence Level (UCL) for each of the following:
a. X-Bar = 47;n = 73;0 = 31; a = 0.05 LCL ==> UCL ==> b. X-Bar 83;n = 221; 400; a = 0.01 LCL ==> UCL ==> c. X-Bar = 513;n = 425;0 = 43;a = 0.10 LCL ==7 UCL ==>
The lower confidence level (LCL) and upper confidence level (UCL) are
a. X-Bar = 47; n = 73; 0 = 31; a = 0.05
LCL = 44.35
UCL = 49.65
b. X-Bar = 83; n = 221; 0 = 400; a = 0.01
LCL = 79.91
UCL = 86.09
c. X-Bar = 513; n = 425; 0 = 43; a = 0.10
LCL = 509.27
UCL = 516.73
a. X-Bar = 47, n = 73, σ² = 31, α = 0.05
Using the formula for a confidence interval for the mean of a normal distribution with known variance, we get:
LCL = X-Bar - z(α/2) * √(σ²/n)
= 47 - 1.96 * √(31/73)
= 44.35
UCL = X-Bar + z(α/2) * √(σ²/n)
= 47 + 1.96 * √(31/73)
= 49.65
So, the 95% confidence interval for the population mean is (44.35, 49.65).
b. X-Bar = 83, n = 221, σ^2 = 400, α = 0.01
Using the same formula, we get:
LCL = X-Bar - z(α/2) * √(σ²/n)
= 83 - 2.58 * √(400/221)
= 79.91
UCL = X-Bar + z(α/2) *√(σ²/n)
= 83 + 2.58 * √(400/221)
= 86.09
So, the 99% confidence interval for the population mean is (79.91, 86.09).
c. X-Bar = 513, n = 425, σ² = 43, α = 0.10
Again, using the same formula, we get:
LCL = X-Bar - z(α/2) * √(σ²/n)
= 513 - 1.645 * √(43/425)
= 509.27
UCL = X-Bar + z(α/2) * √(σ²/n)
= 513 + 1.645 * √(43/425)
= 516.73
So, the 90% confidence interval for the population mean is (509.27, 516.73).
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Help me please with this problem
Step-by-step explanation:
Area of a rhombus = ab/2 where a is 12cm and b is 10cm (diagonals)
Area = 12 x 10 /2 =120/2
Area = 60cm
quickly pls help!! thanks
a) By Pythagorean theorem, the value of variable x is equal to 10.2171 meters.
b) By trigonometric functions, the value of variable h is equal to 7.8620 meters.
How to determine the variables associated with geometric system formed by four right triangles
Herein we have the representation of a geometric system formed by four right triangles, this formation has a known angle and a known side, and two unknown variables as well. The values of the variables can be found by means of trigonometric functions and Pythagorean theorem:
Trigonometric functions
sin 50° = h / x
h = 0.7660 · x
Pythagorean theorem
x² = L² + h²
8² = (0.25 · L)² + h²
64 = 0.0625 · L² + h²
Then, we eliminate L by equalizing second and third equations:
64 = 0.0625 · (x² - h²) + h²
64 = 0.0625 · x² + 0.9375 · h²
And by the first equation:
64 = 0.0625 · x² + 0.9375 · (0.7660 · x)²
64 = 0.0625 · x² + 0.5501 · x²
64 = 0.6126 · x²
8 = 0.783 · x
x = 10.2171 m
And the value of h is:
h = 0.7660 · (10.2171 m)
h = 7.826 m
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Can anyone show me how Bob got the problem wrong and how to do it correctly?
Using trigonometric functions, we can find the area of the triangle to be: 19.68unit². Bob used the wrong dimension in the area of the triangle formula.
What is trigonometric function?There are six basic trigonometric operations in trigonometry. These techniques can be described using trigonometric ratios. The six basic trigonometric functions are the sine function, cosine function, secant function, co-secant function, tangent function, and co-tangent function.
Trigonometric identities and functions are based on the ratio of the sides of a right-angled triangle.
The sine, cosine, tangent, secant, and cotangent values for the perpendicular side, hypotenuse, and base of a right triangle are computed using trigonometric formulas.
Here in the question,
Area of the triangle = 1/2 absinc
= 1/2 × 12 × 16.4 × Sin30°
= 1/2 × 196.8 × 0.2
= 19.68unit².
Bob used the wrong dimension of the triangle. Instead of using the adjacent side of the angle, Bob used the opposite side of the angle.
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Coach Jill brought
28
L
28 L28, start text, space, L, end text of sports drink to the soccer game. She divided the sports drink equally between
7
77 coolers. How many milliliters of sports drink did Coach Jill put in each cooler?
Coach Jill put 4,000 mL of sports drink in each cooler to stay hydrated.
Coach Jill brought a total of 28,000 milliliters (mL) of sports drink to the soccer game. She divided the sports drink equally among 7 coolers, so she needed to determine how many milliliters each cooler would receive.
Coach Jill brought a total of 28 L = 28,000 mL of sports drink.
She divided this equally among 7 coolers, so each cooler would receive:
28,000 mL / 7 coolers = 4,000 mL/cooler
Therefore, Coach Jill put 4,000 mL of sports drink in each cooler.
This ensured that each cooler received the same amount of sports drink, which was important to keep all the players equally hydrated during the game. By dividing the sports drink equally, Coach Jill was able to efficiently manage the resources and ensure that each player had access to enough fluids during the game.
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Find the area of the shaded region.
Answer:
22 sq. in.
Step-by-step explanation:
Believe it or not, the area is still length times width in this problem, you just have to subtract 3 sq in from your final answer becasue of the center gap (3in *1in)
5in * 5in =25 sq in -3 sq in= 22 sq in.
How much money should be deposited today in an account that earns \( 2.5 \% \) compounded monthly so that it will accumulate to \( \$ 12,000 \) in 2 years? Click the icon to view some finance formulas
The money which should be deposited today in an account is found as $11,430.
Explain about the monthly compounding?In the case of monthly compounding, the specified annual interest rate would be divided by 12 to obtain the periodic (monthly) rate, and indeed the number of years would be multiplied by 12 to obtain the number of (monthly) periods.The compound interest per month is calculated using the monthly compound interest formula.Compound interest is calculated as follows:
CI = P[tex](1 + \frac{r}{12}) ^{12t}[/tex] - P,
where t is the time, P is the principle sum, and r is indeed the interest rate expressed as a decimal.
A = P[tex](1 + \frac{r}{12}) ^{12t}[/tex]
Put the values:
12,000 = P[tex](1 + \frac{0.025}{12}) ^{12*2}[/tex]
P = 12,000 / 1.05
P = 11428.57
P = 11430 (approx)
Thus, money which should be deposited today in an account is found as $11,430.
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The correct question is -
How much money should be deposited today in an account that earns 2.5% compounded monthly so that it will accumulate to $12,000 in 2 years?
A day’s production of n manufactured parts contains x parts that do not conform to customer requirements. Assume that the selected parts are independent. What is the probability that the second nonconforming part is obtained in y tests?
Please choose n between 15 and 25
Please choose x between 11 and 14
Please choose y between 3 and 10
Then solve the problem. Formula: P(X = k) = (k-1) choose (r-1) * p^r * (1-p)^(k-r)
The P(2nd non-conforming part is obtained in y tests) is given by (n-x) / n * (1-x/n)^(y-1).
The probability that the second nonconforming part is obtained in y tests is given by the formula P(X = k) = (k-1) choose (r-1) * p^r * (1-p)^(k-r).Solution:Given, n = between 15 and 25x = between 11 and 14y = between 3 and 10To find: The probability that the second nonconforming part is obtained in y testsFormula used:P(X = k) = (k-1) choose (r-1) * p^r * (1-p)^(k-r)Where X represents the number of trials, p represents the probability of success, k represents the number of successful outcomes, and r represents the number of trials.Possible values of x:n - xLet the probability of obtaining a non-conforming part be p, then the probability of obtaining a conforming part would be 1-p.Number of non-conforming parts in n: n-xProbability of selecting the non-conforming part p = x/nProbability of selecting the conforming part 1-p = (n-x)/nP(2nd non-conforming part is obtained in y tests) = P(y-th trial is non-conforming) = P(y-1 conforming trials followed by a non-conforming trial)P(2nd non-conforming part is obtained in y tests) = (n-x) / n * (x/n)^(1-1) * (1-x/n)^(y-1)Therefore, P(2nd non-conforming part is obtained in y tests) = (n-x) / n * (x/n)^(0) * (1-x/n)^(y-1)P(2nd non-conforming part is obtained in y tests) = (n-x) / n * (1) * (1-x/n)^(y-1)Hence, P(2nd non-conforming part is obtained in y tests) is given by (n-x) / n * (1-x/n)^(y-1).
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How old is Aiden?
*
Hint: Two-digit number
Suppose that a phone that originally sold for $800 loses 3/5 of its value each year after it is released.
Write an equation for the value of the phone, p, t years after it is released. Use ^ to denote exponents.
Answer:
[tex]p = 800 \frac{2}{5} ^{T}[/tex]
Step-by-step explanation:
Let's assume that the initial value of the phone is $800, and that its value decreases by 3/5 each year.
After one year, the phone will be worth 2/5 of its initial value:
$800 x (2/5) = $320
After two years, the phone will be worth 2/5 of its value after one year:
$320 x (2/5)^1 = $128
What are the angles of a triange if the sides are 11, 10, 17
In the following question, among the conditions given, This triangle must be a non-Euclidean triangle, which is not possible to draw on a flat plane without distorting its shape. Therefore, there are no valid angles for this triangle.
To find the angles of a triangle when given the lengths of its sides, we can use the Law of Cosines, which states that:
c^2 = a^2 + b^2 - 2ab*cos(C)
where c is the length of the side opposite angle C, and a and b are the lengths of the other two sides.
Using this formula, we can find the cosine of each angle and then use the inverse cosine function (cos^-1) to find the measure of each angle.
Let's use this formula to find the angles of the triangle with sides of 11, 10, and 17:
c^2 = a^2 + b^2 - 2ab*cos(C)
For the side opposite angle C = 17:
17^2 = 10^2 + 11^2 - 2(10)(11)cos(C)
289 = 121 + 100 - 220cos(C)
cos(C) = (121 + 100 - 289)/(21011)
cos(C) = -0.4
We get a negative value for the cosine of angle C. This means that the triangle cannot be a standard triangle in the Euclidean plane, as the Law of Cosines requires that the cosine of an angle be between -1 and 1. This triangle must be a non-Euclidean triangle, which is not possible to draw on a flat plane without distorting its shape.
Therefore, there are no valid angles for this triangle.
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a cylindrical pool has a diameter of 16 ft and a height of 4ft. the pool is filled 1/2 foot below the top. how much water does the pool contain, to the nearest gallon?
1 feet cubic= 7.48 gallons
Answer choices are:
-704
-804
-5264
-6016
Answer:
Step-by-step explanation:
In this problem, we have to use the formula in finding the volume of a cylinder
[tex]V=\pi r^{2} h[/tex]
r is half of diameter
r= 16ft / 2 = 8ft
The height of the cylinder is 4ft. We have to know the height of the water to know the volume of the water.
h (water) = 4ft - 1/2ft = 3.5ft
[tex]V=\pi (8)^{2} (3.5)[/tex]
[tex]V = 703.72 ft^{3}[/tex]
[tex]V = 703.72 ft^{3} * \frac{7.48 gallons}{1ft^{3} }[/tex]
[tex]V = 5263.8 gallons[/tex]
[tex]V = 5264 gallons[/tex]
The pool is filled with 5264 gallons of water.
The function d is linear. If f(1)=2 and f(2)=6, then f(4)=
Answer:
f(4)=14
Step-by-step explanation:
Do the ratios 60:45 and 10:9 form a proportion?
Comparing the two simplified ratios, 4:3 and 10:9, we see that they are not equal, so the ratios 60:45 and 10:9 do not form a proportion.
How are proportions determined?We must examine whether the cross-products are equal in order to determine whether the ratios of 60:45 and 10:9 constitute a proportion.
60 x 9 = 540 is the cross product of 60 and 9.
45 x 10 = 450 is the cross product of 45 and 10.
The cross-products are not equal, hence the ratios of 60:45 and 10:9 do not constitute a proportion (540 is not equal to 450, for example).
Simplifying two ratios to their simplest form is another technique to determine if they constitute a proportion.
By dividing both components by their greatest common factor, which is 15, the ratio 60:45 can be reduced to 4:3.
The 10:9 ratio has already reached its lowest point.
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A scooter was brought in April 2005 for rs. 42000 if it's value fall by 10% every year what will it's value in April 2007
If a scooter was brought in April 2005 for rs. 42000 if it's value fall by 10% every year, the value of the scooter in April 2007 would be Rs. 34020.
If the value of the scooter falls by 10% every year, then its value after the first year will be 90% of its original value. Similarly, the value after the second year will be 90% of the value after the first year, or 0.9 * 0.9 = 0.81 times the original value.
To find the value of the scooter in April 2007, we need to apply this formula twice, since there are two years between April 2005 and April 2007.
Starting with the original value of the scooter, we can calculate its value after one year:
Value after 1 year = 0.9 * Rs. 42000 = Rs. 37800
Then, we can use this value to calculate the value of the scooter after two years:
Value after 2 years = 0.9 * Rs. 37800 = Rs. 34020
In this case, the value of the scooter decreases by 10% each year, so its value after two years is 0.9 times its value after one year, which is 0.9 times its original value.
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What is the resulting costant when (2 - 4/3) is subtracted from (-3/5 plus 5/3)
The resultant of the expression (((-3/5)+(5/3))-(2-4/3)) will be 2/5.
What exactly are expressions?
In mathematics, an expression is a combination of numbers, variables, and mathematical operations that can be evaluated to produce a value. Expressions can be as simple as a single number or variable, or they can be more complex, involving multiple numbers, variables, and operations.
For example, 3 + 5 is an expression that represents the sum of two numbers, which evaluates to 8. Another example is 2x - 5, which involves a variable (x) and two operations (multiplication and subtraction).
Now,
Let's start by simplifying (-3/5 + 5/3):
First, we need to find a common denominator between 5 and 3, which is 15
then,
-3/5 + 5/3 = -9/15 + 25/15
Next, we can add the two fractions:
-9/15 + 25/15 = 16/15
So, (-3/5 + 5/3) simplifies to 16/15.
Now, let's simplify (2 - 4/3):
We can rewrite 2 as 6/3, then subtract 4/3:
6/3 - 4/3 = 2/3
So, (2 - 4/3) simplifies to 2/3.
Finally, we can subtract 2/3 from 16/15:
16/15 - 2/3
To subtract fractions, we need a common denominator between 15 and 3, which is 15. then
16/15 - 10/15 = 6/15
So, the resulting constant is 6/15, which can be simplified by dividing both the numerator and denominator by their greatest common factor (which is 3):
6/15 = 2/5
Therefore,
the resulting constant is 2/5.
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The function f determines the cost (in dollars) of a new Honda Accord in terms of the number of years t since 2000. That is, f(t) represents the cost (in dollars) of a new Honda Accord t years after 2000. Use function notation to represent each of the following. a. The cost (in dollars) of a new Accord in 2005? Preview b. How much more a new Accord costs in 2015 as compared to the cost of a new Accord in 2010? Preview c. A new Accord in 2015 is how many times as expensive as a new Accord in 2010? Preview d. $520 dollars more than the cost of a new Accord in 2018. Preview Submit
The cost of a new Honda Accord in terms of the number of years t since 2000 can be represented by the function f(t).
The cost of a new Honda Accord in terms of the number of years t since 2000 is represented by the We can use this function to answer the questions given.
a. The cost (in dollars) of a new Accord in 2005 can be represented by f(5), since 2005 is 5 years after 2000.
b. The difference in cost between a new Accord in 2015 and 2010 can be represented by f(15) - f(10), since 2015 is 15 years after 2000 and 2010 is 10 years after 2000.
c. The ratio of the cost of a new Accord in 2015 to the cost of a new Accord in 2010 can be represented by f(15)/f(10).
d. $520 more than the cost of a new Accord in 2018 can be represented by f(18) + $520, since 2018 is 18 years after 2000.
In conclusion, the cost of a new Honda Accord in terms of the number of years t since 2000 can be represented by the function f(t), and we can use this function to answer the given questions.
The cost of a new Accord in 2005 is represented by f(5), the difference in cost between a new Accord in 2015 and 2010 is represented by f(15) - f(10), the ratio of the cost of a new Accord in 2015 to the cost of a new Accord in 2010 is represented by f(15)/f(10), and $520 more than the cost of a new Accord in 2018 is represented by f(18) + $520.
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Please refer to the photo
Given that
f
(
x
)
=
3
x
−
7
and
g
(
x
)
=
3
x
, evaluate
f
(
g
(
−
1
)
)
Answer: f(g(-1)) = -16
Step-by-step explanation:
First, we need to find g(−1), which means we substitute -1 in place of x in the function g(x):
g(-1) = 3(-1) = -3
Next, we substitute g(-1) into f(x):
f(g(-1)) = f(-3) = 3(-3) - 7 = -16
Therefore, f(g(-1)) = -16.
find the missing angle
answer as soon as possible <3
Answer:
This is the answer!!!
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