The area of a circle equals to 5cm^2 Find the radius of the circle.
[tex]Area = pi * r^{2} \\5 = 3.142 * r^{2} \\r^{2} = 5 / 3.142\\r^{2} = 1.59\\r = \sqrt{1.59} \\r = 1.26cm[/tex]
PLEASE HELP!! Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used. Match the trigonometric ratios with their values based on the triangle shown in the diagram
this is the answer on edmentum
The matching will be given below.
12/25 = sin D × cos D3/5 = sin D16/15 = cos C × tan D4/5 = sin CWhat is a right-angle triangle?It's a form of a triangle with one 90-degree angle that follows Pythagoras' theorem and can be solved using the trigonometry function.
The value of sin C will be
sin C = 3 / 5
The value of sin D will be
sin D = 4 / 5
The value of cos C will be
cos C = 4 / 5
The value of cos D will be
cos D = 3 / 5
The value of tan C will be
tan C = 3 / 4
The value of tan D will be
tan D = 4 / 3
The product of sin D and cos D will be
sin D × cos D = (4 / 5) × (3 / 5)
sin D × cos D = 12 / 25
The product of tan C and tan D will be
tan C × tan D = (3 / 4) × (4 / 3)
tan C × tan D = 1
The product of cos C and tan D will be
cos C × tan D = (4 / 5) × (4 / 3)
cos C × tan D = 16 / 15
Then the matching will be given below.
12/25 = sin D × cos D3/5 = sin D16/15 = cos C × tan D4/5 = sin CMore about the right-angle triangle link is given below.
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Three times a number is 42. What is the number? 12 14 16 39
Answer:
14
Step-by-step explanation:
If you do 42/3 you get 14. Which to check your answer you can do 14 x 3 and you would get 42. Hope this helps.
The answer is 14.
I am answering dis for you to give da other person brainliest!
given: <1 congruent to <2
prove: AB is congruent to CB
Answer:
Because 3 and 2 are vertical angles
Step-by-step explanation:
Vertical angles are always equal or congruent
2 tables 8 chairs. 1 5/8 quarts paint for 2 tables and 2/3 quarts paint for 8 chairs. How many total quarts paint should you bring for this furniture
Answer:
2 7/24
Step-by-step explanation:
1 5/8 + 2/3
1 15/24 + 16/24
1 31/24 = 2 7/24
If my answer is incorrect, pls correct me!
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Solve, using linear combination.
3x – y = 4
2x + y = 6
Answer:
Point form: 2.2
Equation form: x=2, y=2
Answer:
3x-y+2x+y =4+6
5x. =10
x =2
y=6-4
y=2
find the slope of the line through each pair of points (19,-2) (-11,10)
Answer:
[tex]\huge\boxed{-\frac{2}{5}}[/tex]
Step-by-step explanation:
The slope of a line can be determined from two points via the slope formula. This is usually defined as the change in y divided by the change in x. It’s commonly represented using this formula:
[tex]\displaystyle \frac{\Delta y}{\Delta x}[/tex]Where [tex]\Delta[/tex] represents “change in.”
The slope is basically just saying the rate of increase/decrease a function has when x increases by 1 - how much does y change when x increases by 1? We can find this by taking larger values and dividing by the rate at which we took the larger values. This derives the slope formula.
We can find the change in y and x in this function by analyzing the two points given. If we look at the change between each point, we can get the change since this is a line and thus has a constant slope.
The change in y will be 12. This is because from -2 to 10 is 10 units - [tex]10 - (-2) = 12[/tex] The change in x will be -30. This is because from 19 to -11 is -30 units - [tex]-19 -11 = -30[/tex]Now that we have our change in x and y, we can substitute these values into the slope formula.
[tex]\displaystyle \frac{\Delta y}{\Delta x}[/tex] [tex]\displaystyle \frac{12}{-30}[/tex] [tex]\displaystyle -\frac{12}{30}[/tex] Simplify - divide numerator and denominator by 6 [tex]\displaystyle -\frac{2}{5}[/tex]Therefore, the slope of this line is [tex]-\frac{2}{5}[/tex].
Hope this helped!
Find the length of the third side . If necessary, round nearest tenth 24. 18
Who can explain me ?
Answer:30 on delta math!
Step-by-step explanation:
Answer:
30
Step-by-step explanation:
20 years from now I will be 4 times as old as my present age what is my present age ?
Step-by-step explanation:
your present age = 20/4 =5
Answer:
Your present is age 5
your present age = 20/4 = 5
Need help fast will give brainliest
Answer:
1) x=14, y=7
2) x=2, y=7
3) SAS (Side-Angle-Side)
Step-by-step explanation:
1) x-4=y+3
x=2y
substitute
2y-4=y+3
2y-y=3+4
y=7
x-4=7+3
x=10+4
x=14
ANSWER = x=14, y=7
2) y+5=2y-x
y+x=x+7
From the second equation, we can immediately see that y=7, so
7+5=2(7)-x
12=14-x
x=14-12
x=2
ANSWER = x=2, y=7
Please helpppppppppppppppppppppppppppp
Answer:
N O T H I N G
Step-by-step explanation:
L O L
A square pyramid has a base that measures 8 inches on each side.The height of the pyramid is 15.5 inches. Determine the volume of the pyramid.
Answer:
Step-by-step explanation:
Volume = 1/3 * B * h
B = 8 * 8 = 64
h = 15.5
Volume = 1/3 * 64 * 15.5
Volume = 2976 cu in
A drone is flying at the maximum allowed altitude of 400 ft. The angle of depression to the landing pad is 65°. What is the horizontal distance from the drone to the landing pad? Round your answer to the nearest foot. Dashed horizontal line y equals 400 is drawn. A 65 degree angle of depression from begin ordered pair 0 comma 400 end ordered pair is drawn down to the horizontal axis. Enter your answer in the box.
Answer:
187 feet
Step-by-step explanation:
Tan = opp/adj
tan65 = 400/adj
adj = 400/ tan65
adj = 186.523063261999437
Rounded
187 feet
A book is 14 centimeters wide. Convert this width to inches.
The width of the book is __.
(Round to two decimal places as needed.)
Answer:5.5
Step-by-step explanation:
The key is to divide by 2.54. It was not terminating so I rounded.
Find the sum of the first 10 terms of the following series, to the nearest integer. 10, 40,160
Answer:3495250
Step-by-step explanation:
~geometric sequence
common ratio: r=4
formula: Sn=a1(1-r^n)/1-r
Sn=10(1-(4)^10)/1-4
=-10485750/-3
=3495250
The sum of the first 10 terms of the following series, to the nearest integer. 10, 40,160 would be 3495250.
What is the sum of terms of a geometric sequence?Let's suppose its initial term is a multiplication factor is r
and let it has total n terms, then, its sum is given as:
[tex]S_n = \dfrac{a(r^n-1)}{r-1}[/tex]
(sum till nth term)
The given geometric sequence is
10, 40,160
common ratio: r=4
a = 10
n=10
We know that
[tex]S_n = \dfrac{a(r^n-1)}{r-1}[/tex]
[tex]S_{10} = \dfrac{10(4^{10}-1)}{4-1}\\S_{10} = \dfrac{10\times 1048575}{3}\\S_{10} = \dfrac{10485750}{3}\\S_{10} = 3495250[/tex]
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What is the value of the expression below?
-7(-2)
Answer:
14
Step-by-step explanation:
-7*-2=14
HELPPP!
Use the mid-point rule with n = 2 to approximate the area of the region bounded by y equals the cube root of the quantity 16 minus x cubed y = x, and x = 0.
Please explain the answer
Answer:
The approximate area of the region using the midpoint rule with n = 2 is about 2.8418 square units.
Step-by-step explanation:
We want to use the midpoint rule with n = 2 to approximate the area of the region bounded by the graphs of:
[tex]\displaystyle y=\sqrt[3]{16-x^3}, y=x\text{ and } x=0[/tex]
This is shown in the graph below. Our area of interest is between the green, red, and blue lines.
First, find the intersection point of the two graphs:
[tex]\displaystyle x=\sqrt[3]{16-x^3}\Rightarrow x=2\Rightarrow (2, 2)[/tex]
Therefore, we will want to approximate from x = 0 to x = 2.
Note that the red graph (cubic root) is greater than the linear function for all x in the interval [0, 2].
Since the cubic function is greater than the linear function for all x in [0, 2], the area of the region will be the linear function subtracted from the cubic function. Hence:
[tex]\displaystyle \text{Area}=\int_{0}^2\sqrt[3]{16-x^3}-x\, dx[/tex]
We will let:
[tex]f(x)=\sqrt[3]{16-x^3}-x[/tex]
The midpoint rule is given by:
[tex]\displaystyle \text{Area}\approx \sum_{i=1}^nf\left(\frac{x_{i-1}+x_i}{2}\right)\Delta x[/tex]
Since the area is on the interval [0, 2] and n = 2, find the width:
[tex]\displaystyle \Delta x=\frac{2-0}{2}=1[/tex]
Hence, our x-coordinates are x₀ = 0, x₁ = 1, and x₂ = 2.
Therefore, by the midpoint rule:
[tex]\displaystyle \text{Area}\approx \sum_{i=1}^2f\left(\frac{x_{i-1}+x_i}{2}\right)(1)[/tex]
Substitute:
[tex]\displaystyle \text{Area}\approx (1)\left(f\left(\frac{0+1}{2}\right)+f\left(\frac{1+2}{2}\right)\right)[/tex]
Evaluate:
[tex]\displaystyle \text{Area}\approx\displaystyle f\left(0.5\right)+f(1.5)[/tex]
Evaluate:
[tex]\displaystyle \text{Area}\approx(\sqrt[3]{16-(.5)^3}-(.5))+(\sqrt[3]{16-(1.5)^3}-(1.5))}\approx 2.8418[/tex]
Hence, the approximate area of the region is about 2.8418 square units.
Notes:
The exact area is 2.80436... square units.
Answer:
2.8147
Step-by-step explanation:
See the attached writeup!
It's a windy explanation because really short explanations are impossible. If you're using a textbook, its explanation may be shorter, but probably unclear.
An experiment involves selecting a random sample of 256 middle managers for study. One item of interest is their annual incomes. The sample mean is computed to be $35,420.00. If the population standard deviation is $2,450.00, what is the standard error of the mean
Answer:
the standard error is 153.125
Step-by-step explanation:
given that
The random sample is 256
The sample mean is $35,420
And, the standard deviation is $2,450
We need to find out the standard error
We know that
= standard deviation ÷ √random sample
= 2450 ÷ √256
= 2450 ÷ 16
= 153.125
Hence, the standard error is 153.125
I need help, please. I will try to give brainliest!!!
Answer:
Step-by-step explanation:
help please?
it’s overdue
Answer:
The surface area is 76 square yards.
Step-by-step explanation:
A = 2(wl + hl + hw)
2 · (2 · 4 + 5 · 4 + 5 · 2)
76
Please help me with this question:(
In the refrigerator there are 3 opened milk bottles. One bottle
contains 3/10 of a gallon, and a second bottle also contains
3/10 of a gallon. If altogether there is 1 3/10 gallons in the
refrigerator, how much milk is in the third bottle?
Find the z-score for 273 given a mean of 258 and a standard deviation of 5
Answer:i think it would be 5 but 382
Step-by-step explanation:
The the z-score for given mean and standard deviation is 3.
What is standard deviation?Standard deviation is the positive square root of the variance. Standard deviation is one of the basic methods of statistical analysis. Standard deviation is commonly abbreviated as SD and denoted by 'σ’ and it tells about the value that how much it has deviated from the mean value.
Given that, x=273, μ=258 and σ=5
We know that, Z=(x-μ)/σ
Z=standard score, x=observed value, μ=mean of the sample and σ=standard deviation of the sample
Now, Z=(273-258)/5
Z=15/5
Z=3
Therefore, the z-score is 3.
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Under the translation (x,y) → (x + 1, y + 3), the point (1,8) will become what point?
Answer:
[tex](1,8) \to (2,11)[/tex]
Step-by-step explanation:
Given
[tex](x,y) \to (x + 1,y+3)[/tex]
Required
Translation of [tex](1,8)[/tex]
We have:
[tex](x,y) \to (x + 1,y+3)[/tex]
This gives:
[tex](1,8) \to (1 + 1,8+3)[/tex]
[tex](1,8) \to (2,11)[/tex]
What is remainder one as a fraction?
Answer:
We have a remainder of 1, which we want to write as a fraction. We divide the 1 by 3. The fraction is 1 / 3 .
Step-by-step explanation:
Answer:
We have a remainder of 1, which we want to write as a fraction. We divide the 1 by 3. The fraction is 1 / 3 .
Step-by-step explanation:
Help with 11 pls, thank you
Answer:
41°
Step-by-step explanation:
180-68=112
112-71=41
Based on what you know now, how are linear and exponential functions alike?
Answer:
They're similar in that they both have to maintain a steady rate of rise as they grow. While graphing, you can't adjust the slope or exponent after traveling up a graph.
Step-by-step explanation:
The side of a square is 7 m with a possible error of 0.05 m. Use differentials to approximate the maximum relative error in calculating the area of the square. Remember that the area of a square with side length s is A
Answer:
Step-by-step explanation:
Given :
Length of the side of a square = 7 m
Possible error = 0.05 m
Area of the square of side s is [tex]$A=s^2$[/tex]
Therefore, [tex]$\frac{dA}{ds} = 2s$[/tex]
or dA = 2s . ds
dA = 2 x 7 x 0.05
= 0.7
Therefore, the percentage error is given by :
[tex]$=\frac{dA}{A}\times 100$[/tex]
[tex]$=\frac{0.7}{49}\times 100$[/tex]
= 1.4 %
Please help with this question please!!:)
Answer:
w ≤ 35
Step-by-step explanation:
The equation below represents the trend line of a scatter plot showing the hours spent studying versus science test scores. y = 6.5 x + 42.4
The equation below represents the trend line of a scatter plot showing the hours spent studying versus math test scores. y = 7.2 x + 34.7
If a student does not study for either test, on which test should the student expect the higher score?
A) on the science test because the rate of change is greater
B) on the math test because the rate of change is greater
C) on the science test because the y-intercept is greater
D) on the math test because the y-intercept is greater
Answer: C: on the science test because the y-intercept is greater
Step-by-step explanation: I got the question right on edge.
Answer:
C
Step-by-step explanation: