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erma4kov [3.2K]

3 years ago

13

The area of a square is 144 square feet. What is the length of one side of the square? A. 72 feet B. 12 feet C. 36 feet D. 288 f

eet

1 answer:

Lera25 [3.4K]3 years ago

3 0

All squares have 4 sides that are the same length, so you divide 144 by 4 to get 36, which is your answer. That is answer C. I hope this helps!

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Madison represented the sentence “The product of 3 and the difference of Negative 4 and the quotient of a number and Negative 2

julia-pushkina [17]

9514 1404 393

Answer:

(c) The less than symbol should be replaced with the less than or equal to symbol.

Step-by-step explanation:

"At most" means "less than or equal to". Madison needs to use ≤ instead of <.

7 0

3 years ago

Read 2 more answers

C) On Sunday, there were 28 students present in class five. 18 of them were boys and the rest were girls. If only 4 girls were a

sammy [17]

There are 14 girls in class five.

<h3>How many of the students are girls?</h3>

28 students were present in class five, such that 18 of them were boys.

The number of girls on Sunday is given by the difference:

28 - 18 = 10

And we know that 4 girls did not go to school on that day, so the total number of girls on class five is:

10 + 4 = 14

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6 0

2 years ago

if $4200 is invested in a savings account for which interest is compounded semiannually, and if the $4200 turns into $4900 in 4

nydimaria [60]

4900=4200(1+r/2)^(2*4)
Solve for r
R=(4900/4200)^(1/8))-1)*2
R=((4,900÷4,200)^(1÷8)−1)×2
R=0.039*100=3.9%

6 0

3 years ago

Read 2 more answers

Please help!! Giving brainliest and extra points!! (Click on photo) (sorry if confusing!)

Elza [17]

Answer:

48

Step-by-step explanation:

the top shape is 6 by 6, which is 36

the bottom shape is 3 by 4, which is 12.

if you add the two areas, 12+36, you get 48. so the area of the entire shape is 48mi

7 0

3 years ago

A company is approached by a new warehouse management systems vendor to adopt a new system. The vendor claims that the warehouse

Ludmilka [50]

Answer:

a

The null hypothesis is $H_o : \mu = 180$

The alternative hypothesis is $H_a : \mu < 180$

b

The decision rule is fail to reject the null hypothesis

The conclusion

There no sufficient evidence to support the vendor claim that the warehouse management system reduces the average pick, pack, and ship time to below 3 minutes(180 seconds) per order through bin location and routing optimization

Step-by-step explanation:

From the question we are told that

The population mean is $\mu = 3 \ minutes = 180 \ seconds$

The sample size is n = 25

The excel sheet is show on the first uploaded image

The level of significance is $\alpha = 0.05$

The null hypothesis is $H_o : \mu = 180$

The alternative hypothesis is $H_a : \mu < 180$

Generally the sample mean is mathematically represented as

$\= x = \frac{156 + 136 + \cdots + 181}{25}$

=> $\= x = 173.2$

Generally the standard deviation is mathematically represented as

$\sigma = \sqrt{\frac{\sum (x_i - \= x )^2 }{n} }$

=> $\sigma = \sqrt{\frac{ (156 - 173.2 )^2 + (136 - 173.2 )^2 + \cdots + (181- 173.2 )^2 }{25} }$

=> $\sigma = 24.261$

Generally the test statistics is mathematically represented as

$t = \frac{\= x - \mu }{\frac{\sigma}{\sqrt{n} } }$

=> $t = \frac{173.2 - 180 }{\frac{24.261}{\sqrt{25} } }$

=> $z = -1.40$

Generally p-value is mathematically represented as

$p-value = P(Z < z)$

=> $p-value = P(Z < -1.40)$

From the z-table

$P(Z < -1.40) = 0.080757$

=> $p-value = 0.080757$

From the obtained value we that $p-value > \alpha$

The decision rule is fail to reject the null hypothesis

The conclusion

There no sufficient evidence to support the vendor claim that the warehouse management system reduces the average pick, pack, and ship time to below 3 minutes(180 seconds) per order through bin location and routing optimization

5 0

3 years ago