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2 years ago

A square picture in a magazine has an area of 27 square inches. What is the length of each side of the picture?

Mathematics

1 answer:

hodyreva [135]2 years ago

7 0

Answer:

5.19615242271

Step-by-step explanation:

I square root 27 and got 5.19615242271, so that picture is not a perfect square but if you want to be exact that's the answer

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At the Tesla factory, a machine tests 1 out of every 75 windshields produced for quality. The machine requires a safety inspecti

Sloan [31]

Answer:

pretty sure it's 675

Step-by-step explanation:

could be wrong but if there are 303,750 windsheilds per year and the machine needs an inspection after every 450 you just divide them.

6 0

3 years ago

Solve for w. -4 = w - 6

Lelechka [254]

-4=w-6
-4+6=w
2=w

Therefore, w equals 2.

3 0

2 years ago

Read 2 more answers

Ellie must Mix 6 tablespoons of plant food for every 2 gallons of water if she has 6 gallons of water how much plant food should

miv72 [106K]

She should use 18 tablespoons of plant food.

6÷2= 3

3×6= 18

Hope this helps! :)

\(^ ◇^)/

7 0

3 years ago

P( b.=15/16,p(a and b.=3/4 find p(a

Bess [88]

And or both means we multiply the given probability situations that are mutually exclusive and exhaustive - they cannot occur at the same time.

let P(a)=x

then: P(b) * P(a) =3/4

         15/16 * x = 3/4

          15x/16 = 3/4
therefore x= 3/4 *16/15
          x = 4/5
P(a) = 4/5

hope it's clear

6 0

3 years ago

You are an assistant director of the alumni association at a local university. You attend a presentation given by the university

NNADVOKAT [17]

Answer:

(0.102, -0.062)

Step-by-step explanation:

sample size in 2018 = n1 = 216

sample size in 2017 = n2 = 200

number of people who went for another degree in 2018 = x1 = 54

number of people who went for another degree in 2017 = x2 = 46

p1 = x1/n1 = 0.25

p2 = x2/n2 = 0.23

At 95% confidence level, z critical = 1.96

now we have to solve for the confidence interval =

$0.25 -0.23 ± 1.96*\sqrt{((1 - 0.25) * 0.25)/216 + ((1 - 0.23) *0.23/200}$

= 0.02 ± 1.96 * 0.042

= 0.02 + 0.082 = 0.102

= 0.02 - 0.082 = -0.062

There is 95% confidence that there is a difference that lies between - 0.062 and 0.102 on the proportion of students who continued their education in the years, 2017 and 2018.

There is no significant difference between the two.

5 0

3 years ago