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rosijanka [135]
2 years ago
13

The area of a square mural pointed on the side of a building is 110 square feet. What is the best estimate of the side length of

the mural?
A.10 Feet
B.10.2 Feet
C.10.5 Feet
D.10.8 Feet
Mathematics
1 answer:
natka813 [3]2 years ago
8 0

Answer:

C

Step-by-step explanation:

Area of a square equals to the square of its side, therefor the side of a given area for a square is the square root of the area.

A = a^{2}\\a = \sqrt{A}\\a = \sqrt{110} = 10.48 ft

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A driving school wants to find out which of its two instructors is more effective at preparing students to pass the state’s driv
jonny [76]

Answer:

Yes, there is evidence to support that claim that instructor 1 is more effective than instructor 2

Step-by-step explanation:

We can conduct a hypothesis test for the difference of 2 proportions.  If there is no difference in instructor quality, then the difference in proportions will be zero.  That makes the null hypothesis

H0:  p1 - p2 = 0

The question is asking whether instructor 1 is more effective, so if he is, his proportion will be larger than instructor 2, so the difference would result in a positive number.  This makes the alternate hypothesis

Ha:  p1 - p2 > 0

This is a right tailed test (the > or < sign always point to the critical region like an arrowhead)

We will use a significance level of 95% to conduct our test.  This makes the critical values for our test statistic: z > 1.645.  

If our test statistic falls in this region, we will reject the null hypothesis.

<u>See the attached photo for the hypothesis test and conclusion</u>

7 0
3 years ago
Please Hurry! I will award the first person right the brainlyest award
Len [333]

Answer:

y = -3

Step-by-step explanation:

When you graph it on a graphing calculator or on desmos, it appears to be at y = -3

6 0
2 years ago
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The value of 9 in 456,790.
QveST [7]
The value of 9 there is 90 since it is in the tens place.
3 0
3 years ago
An exponential function f(x) is reflected across the x-axis to create the function g(x). Which is a true statement regarding f(x
valentina_108 [34]
That would be the last choice.  Opposite meaning different sign
4 0
3 years ago
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Both the ranges and the interquartile ranges for the data sets are the same.
aleksley [76]

Answer:

to find range of interquartile sets of data

you see 5 vertical lines 1 is start point 2 is start of 2nd quartile 3 is start of 3rd quartile and also represents the median.  the 4th start of 4th quartile and 5th is very end point.

Therefore the interquartile is from start line 2 to start line 4

apply to each by if it says 10 and 34 then we show workjings 34-10 = 24 and that is the range once we deduct data from each other.

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Step-by-step explanation:

6 0
2 years ago
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