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4 years ago

I will have a great grade in math

Mathematics

1 answer:

vredina [299]4 years ago

3 0

Answer:

Sounds dandy

Step-by-step explanation:

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NO LINKS What is the surface area? 5 cm 8 cm 7 cm square centimeters

sveticcg [70]

Answer:

262 feet²

Step-by-step explanation:

2(5×8 + 5×7 + 8×7)

2(40+35+56)

2(131)

262

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3 years ago

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OlgaM077 [116]

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3 years ago

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likoan [24]

By dividing the corresponding sides of similar sides' lengths

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4 years ago

The sat scores have an average of 1200 with a standard deviation of 120. a sample of 36 scores is selected. what is the probabil

Naya [18.7K]

We first standardise $\bar{x}$ :
P(1224 > $\bar{x}$ )=P( $\frac{1224-1200}{\frac{120}{ \sqrt{36} }}$ > $\frac{\bar{x}-1200}{\frac{120}{\sqrt{36}}}$ )
which reduces to finding P(Z > 1.2) = 0.115

4 0

3 years ago

Read 2 more answers

How much is 4x+5=41

GREYUIT [131]

Answer:

x = 9

Step-by-step explanation:

4x+5=41

To solve for x, we subtract 5 from each side

4x+5-5=41-5

4x = 36

Divide each side by 4

4x/4 = 36/3

x = 9

3 0

3 years ago