Answer:4x
Step-by-step explanation:
Which of the following statements is true about the first quartile (Q1) value of a box and whisker plot?
Group of answer choices
One-quarter of the data lies below Q1 and three-quarters of the data lies above Q1.
Q1 means the same as Q3.
Half of the data lies below Q1 and half of the data lies above Q1.
Three-quarters of the data lies below Q1 and one-quarter of the data lies above Q1.
The correct option regarding the first quartile of a data-set is given as follows:
One-quarter of the data lies below Q1 and three-quarters of the data lies above Q1.
What is the first quartile of a data-set?The first quartile Q1 of a data-set is the 25th percentile, meaning that:
25% of the data lies below Q1.100 - 25 = 75% of the data lies above Q1.This means that the correct option is given by the first option.
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True or False: In testing hypotheses, the researcher initially assumes that the alternative hypothesis is true and uses the sample data to reject it.
In testing hypotheses, the researcher initially assumes that the alternative hypothesis is true and uses the sample data to reject it. This statement is False.
Hypothesis testing is an inferential procedure that uses data from a sample to draw a general conclusion about a population. It is a formal approach and a statistical method that uses sample data to evaluate hypotheses about a population. When interpreting a research question and statistical results, a natural question arises as to whether the finding could have occurred by chance. Hypothesis testing is a statistical procedure for testing whether chance (random events) is a reasonable explanation of an experimental finding.
In hypothesis testing, we will always set up a particular hypothesis that we want to demonstrate to be true. We then use probability to determine the likelihood of our hypothesis is correct. If it appears our original hypothesis was wrong, we reject it and accept the alternative hypothesis. The alternative hypothesis is usually the opposite of our original hypothesis. In Fisher’s case, his original hypothesis was that the lady was guessing. His alternative hypothesis was the lady was not guessing.
Generally speaking, the hypotheses that business researchers want to prove are stated in the alternative hypothesis.
Thus, the statement 'In testing hypotheses, the researcher initially assumes that the alternative hypothesis is true and uses the sample data to reject it' is False.
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question 1(multiple choice worth 1 points) (06.11 mc) identify the improper integral(s): the integral from 2 to 5 of dx over quantity x squared minus 1 the integral from 1 to infinity of quantity x minus 1 dx the integral from negative 2 to 3 of dx over quantity x plus 1 i and ii ii and iii i only iii only
The improper integrals are i and ii.
Improper integral
An improper integral is the limit of a definite integral in mathematical analysis when either one endpoint of the interval of integration approaches a limit, such as a real number, positive or negative infinity, or, in rare cases, when both endpoints approach limits.
According to the question
The first integral, the integral from 2 to 5 of dx over amount x squared minus 1, is incorrect because the denominator x2-1 becomes 0 at x=1, meaning the integrand expands to infinity at these places and the integral is not convergent across the range [2,5]. Since the interval of integration extends from 1 to infinity and the function is not limited, the second integral, the integral from 1 to infinity of amount x minus 1 dx, is incorrect. The integrals I and ii are both incorrect. The third integral, which is a standard integral and is the integral from negative 2 to 3 of dx over amount x + 1, is convergent.
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Use the properties of exponents to generate an expression equivalent to each expression.
[tex](x^3y^7)^2[/tex]
[tex](144^3)^\frac{1}{6}[/tex]
[tex]2^(3t+4)[/tex]
x⁶y¹⁴ is the expression equivalent to (x³y⁷)², 12 is the equivalent expression of [tex](144^{3}) ^{\frac{1}{6} }[/tex] and 6t+8 is equivalent expression of 2(3t+4).
What is Expression?An expression is combination of variables, numbers and operators.
Equivalent expressions are expressions that work the same even though they look different.
The given expression is (x³y⁷)²
(x³)²(y⁷)²
x⁶y¹⁴
x⁶y¹⁴ is the expression equivalent to (x³y⁷)²
Expression is [tex](144^{3}) ^{\frac{1}{6} }[/tex]
[tex]144^{\frac{3}{6} }[/tex]
[tex]144^{\frac{1}{2} }[/tex]
√144
12
12 is the equivalent expression of [tex](144^{3}) ^{\frac{1}{6} }[/tex]
Expression is 2(3t+4)
Apply distributive property
6t+8
6t+8 is equivalent expression of 2(3t+4).
Hence, x⁶y¹⁴ is the expression equivalent to (x³y⁷)², 12 is the equivalent expression of [tex](144^{3}) ^{\frac{1}{6} }[/tex] and 6t+8 is equivalent expression of 2(3t+4).
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The graph below shows a linear relationship between x and y. Assume that both the x-axis and the y-axis have the same scale. Determine the value of the constant rate of change of y with respect to x (This is a numerical value.) Write a formula that expresses change in y in terms of change in x. Suppose that y = 1.5 when x=1 Write a formula that expresses y in terms of x.
The value of the constant rate of change of y with respect to x is 20.
A formula that expresses change in y in terms of change in x is y = kx.
Suppose that y = 1.5 when x = 1, a formula that expresses y in terms of x is k = 1.5.
How to determine the value of the constant rate of change?In Geometry, the rate of change of any straight line simply refers to its gradient or slope and it can be calculated by using this mathematical expression;
Rate of change (slope), m = (Change in y-axis, Δy)/(Change in x-axis, Δx)
Rate of change (slope), m = (y₂ - y₁)/(x₂ - x₁)
Assuming that both the x-axis and the y-axis have a scale of 1:20, the constant rate of change is given by:
Constant rate of change = 20/1 = 20.
When y = 1.5 and x = 1, a formula that expresses y in terms of x is given by:
y = kx
k = y/x
k = 1.5/1
k = 1.5.
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Use the following equation to derive a demand schedule and a demand curve. What types of products might exhibit this type of nonlinear demand curve?
The equation is as follows: Q = a - bP^2.Nonlinear demand curve like this can be found in luxury goods and Veblen goods. Where the luxury goods are the goods whose demand increases as the price increases and Veblen goods are the goods whose demand increases with an increase in the consumer's income.
The equation is as follows: Q = a - bP^2.
To derive a demand schedule, we can plug in different values of P (price) and solve for Q (quantity demanded). For example:
Q = a - bP^2
Q = a - (b * 10^2)
Q = a - 1000b
Q = a - (b * 9^2)
Q = a - 810b
Q = a - (b * 8^2)
Q = a - 640b
and so on.
To derive a demand curve, we can plot the different points from the demand schedule on a graph, with P on the x-axis and Q on the y-axis. The demand curve will be a downward-sloping parabola.
Nonlinear demand curve like this can be found in luxury goods and Veblen goods. Where the luxury goods are the goods whose demand increases as the price increases and Veblen goods are the goods whose demand increases with an increase in the consumer's income.
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The sum of ages of akua and yeboa is 23years akua is 3years older than yeboah fine , the age of yaboah, the product of their ages
Answer:
yaboah: 10product: 130Step-by-step explanation:
Given that akua is 3 years older than yaboah and the sum of their ages is 23, you want the age of yaboah and the product of their ages.
Sum and differenceLet 'a' and 'y' represent the ages of akua and yaboah, respectively. The given relations are ...
a + y = 23
a - y = 3
Adding these equations gives ...
2a = 26
a = 13
Using this in the second equation, we find ...
y = a -3 = 13 -3 = 10
ProductThe product of their ages is ...
a·y = 13·10 = 130
Yaboah is 10 and the product of their ages is 130.
A couple ordered 50 ounces of pate for their engagement party of 36 people. The pate was such a hit that the couple has decided to serve it again at their wedding reception. How many ounces of pate should they order for 296 people?
The quantity of ounce of pate they should order for the 296 people which will be present for their wedding reception would be = 411.1 ounce.
How to calculate the quantity of ounce of pate?The quantity of ounce ordered for 36 people = 50 ounce.
Therefore the quantity of ounce that will be enough for 296 people = X ounce.
Make X ounce the subject of formula;
X ounce = 296 × 50 /36
= 14800/36
= 411.1 ounce.
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At a given point 67.7ft at ground level of a covered court, the angle of elevation of a roof worker from the bottom is 38.6⁰ and the angle of elevation of the roof from the top is 42.4 degrees find the height of the roof worker and the distance of the ø if someone is observing below.
The height is 114.83 ft and the distance of the ø if someone is observing below is 84.8.
What is trigonometry?The branch of mathematics that sets up a relationship between the sides and the angles of the right-angle triangle is termed trigonometry.
The trigonometric functions, also known as a circular, angle, or goniometric functions in mathematics, are real functions that link the angle of a right-angled triangle to the ratios of its two side lengths.
Given that at a given point of 67.7ft at the ground level of a covered court, the angle of elevation of a roof worker from the bottom is 38.6⁰ and the angle of elevation of the roof from the top is 42.4 degrees.
The base will be calculated as:-
tan(38.6) = P / B
tan(38.6) = 67.7 / B
B = 67.7 / tan(38.6)
B = 54.8 ft
The height will be calculated as:-
Cos(42.4) = B / H
H = 84.8 / Cos(42.4)
H = 114.83 ft
Therefore, If someone were to look down from above, they would be 114.83 feet from the object and 84.8 feet away.
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A card is drawn at random from a standard pack of playing cards.
Then a fair coin is flipped.
What is the probability of selecting a 9 and the coin landing on tails?
The probability of selecting a 9 and the coin landing on tails is 1/26.
What is the probability?Probability can be defined as the ratio of the number of favourable outcomes to the total number of outcomes of an event.
We know that, probability of an event = Number of favourable outcomes/Total number of outcomes
Here,
The probability of selecting a card 9 is
Total number of outcomes =52
Number of favourable outcomes =4
Now, probability = 4/52
= 1/13
The probability of coin landing on tails is
1/2
Probability of an event = 1/13 × 1/2
= 1/26
Therefore, the probability of selecting a 9 and the coin landing on tails is 1/26.
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Find the break-even point for the given cost and revenue equations. Round to the nearest whole unit.
C = 20n + 134,000
R = 160n
Answer:
in break-even point
C=R
20n+134000=160n
134000= 160n-20n
140n=134000
n=134000/140
n=957.14
n=957 ( nearest whole number)
C= 20(957.14) + 134000
= 153142.8
= 153143 (nearest whole number)
R= 160(957.14)
=153142.4
= 153142 (nearest whole number)
a person weighs 156 pounds, convert their weight to kilograms
Answer:
70.824
Step-by-step explanation:
to solve, multiply the amount of pounds by 0.454.
EX:
156 * 0.454 = 70.824
what it actually equals:
70.7604 (answ on web)
vs
70.824 (answ with formula)
not bad eh?
hope this helps :)
An oil company purchased an option on land in Alaska. Preliminary geologic studies assigned the following prior probabilities.
P(high-quality oil)=0.45
p(medium-quality oil)=0.15
p(no oil)=0.40
a. What is the probability of finding oil (to 2 decimals)?
b. After 200 feet of drilling on the first well, a soil test is taken. The probabilities of finding the particular type of soil identified by the test are given below.
p(soil | high-quality oil)=0.15
p(soil | medium-quality oil)= 0.75
P(soil | no oil)=0.15
Given the soil found in the test, use Bayes' theorem to compute the following revised probabilities (to 4 decimals).
What is the new probability of finding oil (to 4 decimals)?
According to the revised probabilities, what is the quality of oil that is most likely to be found?
The total probability of filling oil is 0.60
a. P(oil) = 1 - P(no oil) = 1 - 0.40 = 0.60
b.P(soil ∩ high quality oil) = (0.45)(0.15) = 0.067
P(soil ∩ medium quality oil) = (0.15)(0.15) = 0.022
P(soil ∩ no oil) = (0.40)(0.40) = 0.16
New probabilities,
P(high quality oil | soil) = 0.067 / (0.067+0.022+0.16) = 0.067/0.269 = 0.269
P(medium quality oil | soil) = 0.022 / (0.067+0.022+0.16) = 0.022/0.269 = 0.088
P(no oil | soil) = 0.09 / (0.067+0.022+0.16) = 0.09/0.269 = 0.361
New probability of finding oil,
P(oil|soil)= 1 - P(no oil | soil) = 1 - 0.361 = 0.639
So the company has a lower chance of finding oil given that they find the particular soil.
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Help me ASAP math question.
The value of x is 900 and value of y is 300.
What is Equation?Two or more expressions with an Equal sign is called as Equation.
From the given information we form a system of linear equations.
1.4x+1.6y=1740..(1)
x-3y=0..(2)
x=3y
Plug in x =3y in the equation 1.
1.4(3y)+1.6y=1740
4.2y+1.6y=1740
5.8y=1740
Divide both sides by 5.8
y=300
x=3(300)=900
Hence, the value of x is 900 and value of y is 300.
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determine elements of set A
The items in A or the elements included in set A are A = 1, 2, 3, 4.
What is an element in a set?
In mathematics, any one of the unique things that make up a set is referred to as an element (or member). A distinct object belonging to a set is referred to as an element (or member) of a set.
The items in A and B, or the elements included in both sets, make up its constituent parts.
Example The elements of the set A B should be listed if A = 1, 2, 3, 4 and B = 2, 4, 6, 8.
A little letter, like x, y, or z, is typically used to represent a set element.
By listing all of a set's components inside braces, a set can be explained.
A = 2, 4, 6, 8 for instance, if Set A is composed of the integers 2, 4, 6, and 8.
Hence, The items in A, or the elements included in set A are A = 1, 2, 3, 4.
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How did World War I affect fiction writing?
Answer:
Step-by-step explanation:
wwI effected fiction writing in many ways such as _________________.
Answer:
The First World War evoked a surge in literary output, which included poems, novels and drama. Whilst the poetry of Siegfried Sassoon, Rupert Brooke and Wilfred Owen immediately springs to mind, works by by Ivor Gurney, Edward Thomas, Charles Sorley, David Jones and Isaac Rosenberg are also widely anthologised.
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Sketch an angle θ in standard position such that θ has the least possible positive measure, and the point (0,-2) is on the terminal side of θ. Then find the values of the six trignometric functions for the angle. Rationalize deniminators is applicable. Do not use a calculator.
Find sin θ, cos θ, tan θ, csc θ, sec θ, and cot θ.
If it is undefined, say undefined.
The values of the six trignometric functions for the angle are
Sinθ = Sin(3π/2) = -1Cosθ = Cos(3π/2) = 0tanθ = tan(3π/2) = undefined Cotθ = Cot(3π/2) = 0Cscθ = Csc(3π/2) = 1Secθ = Sec(3π/2) = undefinedThe above sketch an angle θ in standard position such that θ has the least possible positive measure, and the point (0,-2) is on the terminal side of θ. We have to determine the value of six
triganomertric functions at angle θ. As we see at terminal side point (0,-2) the value of angle θ = 3π/2. The six trigonometric functions are sine, cosine , secant , cosecant , tangent , cotangent .
Now, Sinθ = Sin(3π/2) = Sin( π + π/2)= Sin ( 180° + π/2) = - sin(π/2) ( since, 180° + θ represents 3rd quadrant where sinθ is negative)
=> Sinθ = - 1
Cosθ = Cos(3π/2) = Cos( π + π/2)= Cos( 180° + π/2) = - Cos(π/2) ( since, 180° + θ represents 3rd quadrant where cosθ is negative)
=> Cosθ = Cos(π/2) = 0
tanθ = tan (3π/2) = tan( π + π/2)= tan( 180° + π/2) = - tan(π/2) ( since, 180° + θ represents 3rd quadrant where tanθ is positive)
=> tanθ = - sin(π/2)/cos(π/2) = 1/0
= undefined
Cscθ = Csc(3π/2) = Csc( π + π/2)= Csc( 180° + π/2) = - Csc(π/2) ( since, 180° + θ represents 3rd quadrant where cscθ is negative)
=> Cscθ = - Csc (π/2) = - 1/sin(π/2) = 1
Secθ = Sec(3π/2) = Se( π + π/2)= Sec( 180° + π/2) = - Sec(π/2) ( since, 180° + θ represents 3rd quadrant where secθ is negative)
=> Secθ = -Sec(π/2) = -1/cos(π/2) = - 1/0
= undefined
Cotθ = Cot(3π/2) = Cot( π + π/2)= Cot( 180° + π/2) = Cot(π/2) ( since, 180° + θ represents 3rd quadrant where cotθ is positive)
=> Cotθ = cot(π/2) = Cos(π/2)/sin(π/2) = 0
Hence, we determined all required triganomertric functions value for θ=3π/2.
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The six trignometric functions' values for the angle are
Tan = tan(3/2) = undefined, Sin = Sin(3/2) = -1, Cos = Cos(3/2) = 0, and vice versa.
Cot = Cot(3/2), Csc = Csc(3/2), and Sec = Sec(3/2), respectively.
The above drawing shows an angle in standard position with the point (0,-2) on the angle's terminal side and the smallest positive measure achievable. We must calculate the value of six.
Triganomertric operates at an angle. As can be seen, the angle's value is 3/2 at the terminal side point (0,-2). In trigonometry, there are six different functions: sine, cosine, secant, cosecant, tangent, and cotangent.
At this point, Sin = Sin(3/2) = Sin( + /2)
= Sin ( 180° + π/2) Since 180° + denotes the third quadrant, where sin is negative, the expression is equal to - sin(/2).
=> Sinθ = - 1
Cos is equal to Cos(3/2) = Cos(+/2)
because 180 degrees, = Cos(180° + /2) = - Cos(/2)
Since 180° + denotes the third quadrant, where cos is negative, the equation is Cos(180° + /2) = - Cos(/2).
Hence, Cos = Cos(/2) = 0.
Tan is equal to Tan (3/2) = Tan (+/2)
= tan( 180° + π/2) Since 180° + denotes the third quadrant, where tan is positive, the expression is = - tan(/2).
Consequently, tan = - sin(/2)/cos(/2) = 1/0
not defined
Csc is equal to Csc(3/2) = Csc(+/2)
Since 180° + represents the third quadrant, where csc is negative, Csc(180° + /2) = - Csc(/2)
=> 1/sin(/2) = 1 = Csc = - Csc (/2)
Se( + /2) = Se( = Sec(3/2)
Since 180° + represents the third quadrant, where sec is negative, sec(180° + /2) = - Sec(/2)
The formula is: Sec = -Sec(/2) = -1/cos(/2) = -1/0.
not defined
Cot = Cot(3/2), which equals Cot(+/2)
Since 180° + denotes the third quadrant, where cot is positive, the equation is Cot(180° + /2) = Cot(/2).
Consequently, Cot = Cot(2/2) = Cos(2/2)/sin(2/2) = 0
As a result, we calculated the values for all necessary triganomertric functions for 3/2.
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Oliver read for 450450450 minutes this month. His goal is to read for 10\%10%10, percent more minutes next month.
If Oliver meets his goal, how many minutes will he read in all during the two months?
Using percentages we know that he read for 945 minutes over two months, covering pages. If Oliver accomplishes his goal of reading for 19% more minutes next month.
What is the percentage?Since one percent (symbolized as 1%) is equal to one-hundredth of something, 100 percent stands for everything, and 200 percent refers to twice the amount specified.
As an illustration, 1% of 1,000 chickens is equal to 1/100 of 1,000, or 10 birds, and 20% of the quantity is equal to 20% of 1,000, or 200.
So, this month, Oliver read for 450 minutes.
He has promised to read for 10% extra minutes the following month.
Next month, he spent minutes reading pages:
450 + 10% * 450 = 450 + 45 = 945
He, therefore, read for pages at a time for two months = 450+495=945
Hence He read for 945 minutes over two months, covering pages.
Therefore, using percentages we know that he read for 945 minutes over two months, covering pages. If Oliver accomplishes his goal of reading for 19% more minutes next month.
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Find the sum of 9x^2+5x+8 and 9x-7
Answer:
[tex]9x^2+14x+1[/tex]
Step-by-step explanation:
Hey there!
In order to find the answer to this problem, we must first form an equation; then we can solve/simplify it further
Our Equation:
----------------------------------------------------------------------------------------------------------
[tex](9x^2+5x+8)+(9x-7)[/tex]
1. Distribute the positive sign: positive and positive make positive, positive and negative make negative, negative and negative make positive
[tex]9x^2+5x+8+9x-7[/tex]
2. Combine like terms in each parenthesis: This means combining the x values and the constants.
[tex]9x^2+14x+1[/tex]
----------------------------------------------------------------------------------------------------------
This means that when you add the two given values, the answer you get is: [tex]9x^2+14x+1[/tex]
The ratio of the measures of the angles of a triangle is 5:7:9. How many degrees is the largest angle? Round answer to the nearest whole number.
50 POINTS FOR WHOEVER HELPS
Based on the ratio of the largest angle of the triangle with 180°, the degrees of the largest angle is 77°.
What is the ratio?The ratio is the proportion of one value to the whole.
Ratios compare the relative sizes of components.
Ratios are computed as the quotients resulting from division operations.
The ratio of the measures of the angels of a triangle = 5:7:9
The sum of ratios = 21
The ratio of the largest angle = 9/21
We know that the total angles of a triangle = 180°
The angle (degrees) of the largest angle = 77° (180° x 9/21)
Thus, the degree of the largest angle is 77°.
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Please look at the picture for the problem
By performing a change of units, we will see that the cost is 161.36 US dollars.
How much was the cost in US dollars?Here we know that the cost of the dinner was 119 british pounds, and we want to change the units to US dollars.
We know that the exchange rates are:
Currency Dollar per foreign. Foreign per dollar.
British pound 1.356 0.7376
That means that each british pound is equal to 1.356 US dollars, then 119 british pounds is equivalent to:
119*(1.356 ) = 161.36 US dollars.
That is the cost in US dollars.
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In how may years ₹ 4,000 will amount to ₹ 14,400 at 10% p.a. Compounded interest payable quarterly ?
Answer:
P = ₹4,000
F = ₹14,400
r = 10% = 0.10
m = 4 (because interest is compounded quarterly)
So, we can plug in these values into the formula:
n = (log(14400 / 4000)) / (log(1 + 0.10 / 4))
n = (log(3.6)) / (log(1.025))
n = 2.59
Therefore, it will take approximately 2.59 years for the investment of ₹4,000 to grow to ₹14,400 at a 10% annual interest rate compounded quarterly.
what is the correct ordering, from smallest to largest, of the following: $\dfrac{7}{6},$ $\dfrac{17}{15},$ $\dfrac{28}{25}\,?$
So, the correct ordering from smallest to largest is 17/15, 7/6, 28/25.
When comparing fractions, one way to determine which fraction is larger or smaller is by finding a common denominator and then comparing the numerators. A common denominator is a multiple of both denominators. The least common denominator (LCD) is the smallest common denominator.
In this case, the least common denominator for the fractions 7/6, 17/15, 28/25 is 30.
This is because 30 is the smallest multiple of 6 and 15 that is also a multiple of 25
So, 7/6 = 35/30, 17/15 = 17/15 and 28/25 = 84/75
The numerators of the fractions are 35, 17, and 84 respectively. Since 17 is the smallest numerator and 84 is the largest numerator, we can conclude that 17/15 is the smallest fraction and 84/75 is the largest fraction.
Therefore, the correct ordering from smallest to largest is 17/15, 7/6, 28/25.
In summary, to compare fractions, we can find a common denominator, then compare the numerators. In this case, we used the least common denominator 30, and then compared the numerators 35, 17, 84, which allowed us to order the fractions in an increasing order.
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The circumference of the inner circle is 64 ft. The distance between the inner circle and the outer circle is 2 ft. By how many feet is the circumference of outer circle greater than the circumference of the inner circle? Use 22/7 for pi.
The circumference of the outer circle, greater, 12.57 feet, than the circumference of the inner circle.
What is a circle?A circle is a closed, two-dimensional object where every point in the plane is equally spaced from a central point. The line of reflection symmetry is formed by all lines that traverse the circle.
And the general formula of the circle,
(x – h)²+ (y - k)² = r²,
where (h, k) is the center and r is the radius of the circle.
Given:
The circumference of the inner circle is 64 feet.
The radius of the inner circle,
2πr = 64
r = 32 x 7/22
r = 112/11 feet.
The distance between the inner circle and the outer circle is 2 ft.
The radius of the outer circle,
= 112/11 + 2
= 134/11 feet.
The circumference of the outer circle,
= 2 x 22/7 x 134/11
= 76.57 feet.
Now, 76.57 - 64 = 12.57 feet.
Therefore, the circumference of the outer circle is greater than 12.57 feet.
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What way does f(x) shift for log (DWX) ?
Left, right, down, up?
The function f(x) can shift for log (w ± dx) in any of the four directions
How to determine the direction of shiftFrom the question, we have the following parameters that can be used in our computation:
log(DWX)
Express properly
log(w ± dx)
Where w and d are constants and x is the variable
The above function is a logarithmic function, and the parent function is
log(x)
The direction the function shifts is dependent on the values of w and d i.e.
w ± dx > 1 will shift the function right0 < w ± dx < 1 will shift the function leftAlso, the vertical shift depends on the w ± dxRead more about transformation at
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A and B are the parallel. Find the missing angles.
125
55
35
Answer:
Step-by-step explanation:
7) The perimeter of a triangle is 10z² +42-3. The sum of two of the sides is 82² +6x-7. What is the length of the missing side?
8/9
Length of missing side is 8/9x² - 5/9
What is the length of the missing side?The steps for this process are as follows
Step 1: Add the two equations together to form a new equation.
10z² + 42 - 3 + 82² + 6x - 7 = 8/9x² - 5/9
Step 2: Simplify the expression on the left side of the equation.
92² + 48x - 10 = 8/9x² - 5/9
Step 3: Subtract 8/9x² from both sides of the equation.
92² + 48x - 10 - 8/9x² = - 5/9
Step 4: Simplify the left side of the equation.
92² + 40x - 10 = -5/9
Step 5: Add 10 to both sides of the equation.
92² + 40x = 5/9
Step 6: Divide both sides of the equation by 40.
92²/40 + x = 5/9
Step 7: Simplify the left side of the equation.
x = 5/9 - 92²/40
Step 8: The length of the missing side is 8/9x² - 5/9 = 8/9 (5/9 - 92²/40) - 5/9.
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Using the given equation, Length of missing side is 8/9x² - 5/9
What is the length of the missing side of an equation?The steps for this process are as follows
Step 1: Add the two equations together to form a new equation.
10z² + 42 - 3 + 82² + 6x - 7 = 8/9x² - 5/9
Step 2: Simplify the expression on the left side of the equation.
92² + 48x - 10 = 8/9x² - 5/9
Step 3: Subtract 8/9x² from both sides of the equation.
92² + 48x - 10 - 8/9x² = - 5/9
Step 4: Simplify the left side of the equation.
92² + 40x - 10 = -5/9
Step 5: Add 10 to both sides of the equation.
92² + 40x = 5/9
Step 6: Divide both sides of the equation by 40.
92²/40 + x = 5/9
Step 7: Simplify the left side of the equation.
x = 5/9 - 92²/40
Step 8: The length of the missing side is 8/9x² - 5/9 = 8/9 (5/9 - 92²/40) - 5/9.
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you are given a mc test where each question has four possible answers. the test is made up of 12 questions and you did not prepare for the test. the number of answers possible is
Since the MCQ test has twelve questions with each question having four possible answers, the number of ways in which the test can be answered are 16777216.
There are 12 questions in the given test. It has an MCQ test and every question in the test has 4 options, that is, 4 possible answers.
There are multiple possibilities by which the given test can be answered as we can select a different option every time while answer a question. To calculate the different amount of possibilities,
By the fundamental principle of counting,
The amount of possible ways to answer one question are
4¹ = 4
The amount of possible ways to answer 12 questions are
4¹² = 16777216
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Does the equation below define a linear function?
y = -x³ - 11
Explain how you got your answer.
The equation does not define a linear function
How to determine the type of the functionFrom the question, we have the following parameters that can be used in our computation:
y = -x³ - 11
As a general rule, a linear equation is any equation that has a degree of 1
The given equation above has a degree of 3
Hence, it is not a linear equation
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Graph the line
y=-1/3x-6
Please see the image attached below to know a representation of linear function y = - (1 / 3) · x - 6 in Cartesian plane.
How to graph a linear function
Linear functions are polynomials of the form:
y = m · x + b
Where:
m - Slopeb - Interceptx - Independent variabley - Dependent variableGraphically speaking, linear functions represents lines and lines can be generated from two points on Cartesian plane. The procedure is described below.
First, obtain two points from linear function:
x = 0
y = - (1 / 3) · 0 - 6
y = - 6
x = 1
y = - (1 / 3) · 1 - 6
y = - 1 / 3
Second, add the points on Cartesian plane.
Third, construct a line that passes through the two points added. Please see the image attached below.
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