3 years ago

Please hurry!! I will mark brainliest! A student wrote four statements during math class. Which statement contains an error?

Mathematics

1 answer:

svlad2 [7]3 years ago

7 0

Answer: 2nd one

Step-by-step explanation:

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Explain how you can find the area of a polygon

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Answer:

put a ruler in it and there it is

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3 years ago

3. Han has a fish tank that has a length of 14 inches and a width of 7 inches. Han puts in

muminat

The height of the tank is 12 inches

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2 years ago

The measures of two complementary angles have a ratio of 3:2 what is the meusure of the larger angle

ozzi

Answer:

Step-by-step explanation:

The two angles add to 90 degrees since they are complementary

the ratio is 3:2

Multiply by x

3x:2x

Add them together and set equal to 90

3x+2x=90

5x=90

Divide each side by 5

5x/5 = 90/5

x = 18

The first angle is 3*18 = 54

The second angle is 2*18 = 36

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3 years ago

Assume the annual day care cost per child is normally distributed with a mean of $9000 and a standard deviation of $1000. What

Tpy6a [65]

Answer:

65.54% (nearest hundredth)

Step-by-step explanation:

Given:

$\sf \mu=9000$

$\sf \sigma=1000$

$\sf X \sim N(\mu, \sigma^2)\implies X \sim N(9000,1000^2)$

P(X > 8600) = 1 - P(X ≤ 8600)

= 1 - 0.3445782584

= 0.6554217416

= 65.54%

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2 years ago

two planes travel a constant speed. plane A travels 2.800 miles in 5 hours plane B travels 3.885 miles in 7 hours. which plane i

vfiekz [6]

Plane a is faster

Have a good day!!!

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3 years ago