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3 years ago

2. A guy wire is attached to the top of a radio tower to help support it. The tower

Mathematics

1 answer:

Maru [420]3 years ago

7 0

72 feet’s and 50 feet’s equal 132 feet’s

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Which inequality statement describes the two numbers on a number line?

agasfer [191]

the correct answer would be

B) 6 < 16

6 0

3 years ago

Read 2 more answers

Can someone help me with these two questions??

igor_vitrenko [27]

Answer:

14. A. Commutative Property of Addition.

15. D. k=54

Step-by-step explanation:

6 + 9 = 9 + 6 is an example of the Commutative Property of Addition so that is your answer.

k + (-12) = 42. What you do is add the 12 to both sides to get your answer.

k=54 is your answer.

4 0

4 years ago

Please help me!! Fifteen points

klio [65]

Answer:

D. 144

Step-by-step explanation:

a straight line is 180° so you do 180-36

5 0

3 years ago

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How many times does 5 go into 2. how do you get 2.5 explain the process please<br>

pochemuha

Answer:

$\frac{5}{2} = 2 \frac{1}{2} = 2.5$

8 0

3 years ago

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The marketing director of a large department store wants to estimate the average number of customers who enter the store every f

Dahasolnce [82]

Answer:

$36.5674\leq x'\leq61.4326$

Step-by-step explanation:

If we assume that the number of arrivals is normally distributed and we don't know the population standard deviation, we can calculated a 95% confidence interval to estimate the mean value as:

$x-t_{\alpha /2}\frac{s}{\sqrt{n} } \leq x'\leq x-t_{\alpha /2}\frac{s}{\sqrt{n} }$

where x' is the population mean value, x is the sample mean value, s is the sample standard deviation, n is the size of the sample, $\alpha$ is equal to 0.05 (it is calculated as: 1 - 0.95) and $t_{\alpha /2}$ is the t value with n-1 degrees of freedom that let a probability of $\alpha/2$ on the right tail.

So, replacing the mean of the sample by 49, the standard deviation of the sample by 17.38, n by 10 and $t_{\alpha /2}$ by 2.2621 we get:

$49-2.2621\frac{17.38}{\sqrt{10} } \leq x'\leq 49+2.2621\frac{17.38}{\sqrt{10} }\\49-12.4326\leq x'\leq 49+12.4326\\36.5674\leq x'\leq61.4326$

Finally, the interval values that she get is:

$36.5674\leq x'\leq61.4326$

8 0

3 years ago