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Dmitrij [34]
3 years ago
15

I don't know how to do this, I wasn't paying attention in class

Mathematics
1 answer:
solmaris [256]3 years ago
7 0

Answer:

39.837168574084177751131265854635

Step-by-step explanation:

If you plug it into a calculator, you get that.

Next time, please pay attention in class and save us all a little trouble.

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I NEED SOMEONE TO ANSWER THIS QUESTION
Viktor [21]

Answer:

25

Step-by-step explanation:

5=20% of x

0.20x=5

divide both sides by 0.20

x=25

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3 years ago
Solve the system and round to the nearest hundredth. Enter the
hram777 [196]

Answer:

Step-by-step explanation:

xy = 300

x + y = 50                       Solve for y

y = 50 - x                        substitute into xy = 300

x(50 - x) = 300               Remove the brackets.

50x - x^2 = 300             Bring the left to the right.

0 = x^2 - 50x + 300

This is a quadratic. It will have 2 solutions.

a=1

b = - 50

c = 300

Put these into the quadratic equation.

It turns out that x has two values -- both plus

x1 = 42.03

x2 = 6.97

x1 + y1 = 50

42.03 + y = 50

y = 50 - 42.03

y = 7,97

(42.03 , 7.97)

====================

x2 + y2 = 50

6.97 + y2 = 50

y2 = 50 - 6.97

y2 = 43.03

(6.97 , 43.03)

6 0
3 years ago
Read 2 more answers
Find the mean absolute deviation for the set below. s = {85, 90, 68, 75, 79}
Anit [1.1K]
The M.A.D. would be 6.48
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4 years ago
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Natalka [10]

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Step-by-step explanation:

7

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3 years ago
Please help thank you.
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1st is D
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