Please help! Which of the following is a polynomial?

Mathematics

1 answer:

Marat540 [252]3 years ago

7 0

Simplistic answer is D

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A 20 foot ladder leaning against a wall is used to reach a window that is 17 feet above the ground. How far from the wall is the

Liono4ka [1.6K]

Answer:

The wall is 10.5 foot far from the bottom of the ladder.

Step-by-step explanation:

Given:

Height of the ladder leaning against wall (Hypotenuse) = 20 foot.

Height from where the window is above from the ground (Leg1) = 17 feet.

To find the distance of the bottom of the ladder far from the wall (Leg2) = ?

Now, by using the pythagorean theorem:

$Hypotenuse^{2} = (Leg1)^{2} + (Leg2)^{2}$

$20^{2} =17^{2}+(Leg2) ^{2}$

$400=289+(Leg2)^{2}$

$400-289=(Leg2)^{2}$

$111=(Leg2)^{2}$

by squaring both sides

$Leg2=10.535$

10.535 foot rounded nearest tenth is 10.5 foot.

Therefore, the wall is 10.5 foot far from the bottom of the ladder.

6 0

3 years ago

An ant crawls at a rate of 216 ft per minute. At this rate, how long does it take the ant to crawl a distance of 515 ft? Enter y

quester [9]

216 ft per minute or 3.6 ft per second
515 divided by 216 is 2.38
it takes 2.38 minutes for the specified ant to crawl 515 feet

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3 years ago

I need help show me the work and I have to use tree diagram

amm1812

She has 4 choices. draw the tree diagram like this:

cheese,tomato
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tomato,lettuce
tomato,ham
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2 years ago

Is V'8 greater than, less thar, or equal to 4? Explan

Stels [109]

Answer: Less than.

Step-by-step explanation:

$\sqrt{8}$ is less than 4 because $4^{2}$ is 16. And $\sqrt{8} ^{2}$ is 8.