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Maslowich
3 years ago
9

Find the mean of these values 100, 200, 300, 400

Mathematics
2 answers:
sveticcg [70]3 years ago
8 0

250

100 + 200 + 300 + 400 = 1000

1000/4 = 250

lianna [129]3 years ago
3 0

Answer:

250

Step-by-step explanation:

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A circular hot tub located near the middle of a rectangular patio has a
adelina 88 [10]

Answer:

The area of the patio without the tub is 53.44 ft²

Step-by-step explanation:

In order to calculate the area of the patio that is not covered by the hot tub we need to calculate the total area of the patio and subtract it by the area of the tub. Since the patio is rectangular it's area is given by "area = length*width" and the area of the tub is given by "area = pi*r²".

area patio = length*width = 11*6 = 66 ft²

area tub = pi*r² = pi*(48/2)² = pi*(24)² = 1,808.64 in²

To compare the area we need to convert the areas to the same unit, to do that we will convert the area of the tub from in² to ft², in order to do that we need to divide the value by 144. We have:

area tub = 1,808.64/144 = 12.56 ft²

The area of the patio without the tub is:

x = area patio - area tub = 66 - 12.56 = 53.44 ft²

3 0
3 years ago
How to solve 5v-4/10=4/5
iren [92.7K]

Answer:

6/25

Step-by-step explanation:

5v - 4/10 = 4/5

5v = 4/5 + 4/10

5v = 6/5

v = 6/25

5 0
3 years ago
Read 2 more answers
56 is 28% of an unknown number is (x)​
Luba_88 [7]

Answer:

Change 28% to a decimal by moving the decimal point 2 places to the left:

28% = 0.28

Write the question as an equation to get:

56 = 0.28x

Now to solve for x, divide both sides by 0.28:

x = 56 / 0.28

x = 200

The unknown number is 200.

Step-by-step explanation:

7 0
3 years ago
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What's half of 1/4? I actually don't know
vekshin1
1/8. Like 1/2 is half of 1, half of 1/2 is 1/4 and half of that is 1/8.
7 0
3 years ago
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Can someone help please ?
Murljashka [212]

Answer:

-22

Step-by-step explanation:

equantion: (n + 15).6= -42

n = -22

7 0
3 years ago
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