2 years ago

I need help ASAP (get brainliest)

Mathematics

1 answer:

maria [59]2 years ago

3 0

Its B trust me i know

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Last summers, students who worked earned an average of $80 a week with a standard deviation of $12. What percentage of students

Roman55 [17]

Answer:

2.28%

Step-by-step explanation:

Given:

μ = 80
σ = 12
x = 104

Find z-score:

z = (x - μ)/σ
z = (104 - 80)/12 = 2

Percent value corresponding to 2 as per z-table is 0.9772. This is corresponding to 97.72%.

Percentage of students earned more than $104:

100 - 97.72 = 2.28

5 0

2 years ago

Worth 50 points!!! The equation A = r(<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7BC%7D%7B2%7D%20" id="TexFormula1" title=" \f

jasenka [17]

Times both sides by 2
2A=rC
divide both sides by r
$C= \frac{2A}{r}$

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2 years ago

Marco's dog, Spot eats 5 cups of food every 3 days. Jack'a dog. Taco eats 10 cups of food every 5 days. Is the ratio of cup to d

marysya [2.9K]

No, the ratio is not the same

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2 years ago

Solve the inequality 8x > 48

Yakvenalex [24]

Step-by-step explanation:

$= 8x > 48$

Now , divide both side by the same number...

$= 8x \div 8 > 48 \div 8$

$= x > 6$

5 0

1 year ago

Which of the following expressions is equal to 5 - 2m?

r-ruslan [8.4K]

Alright, I'm pretty sure I can help.

Let's look at the first answer choice.

7 - 2 (m + 1)

Distribute -2 and add the remaining numbers to get the total for that answer choice.

7 - 2m - 2

Simplify. You get 5 - 2m.

Looks like we found the answer on the first choice!

The Final Answer is 7 - 2 (m + 1)

7 0

2 years ago

Read 2 more answers