Help me please will gve you brain liest i promise just help me please!

Mathematics

1 answer:

Natalka [10]2 years ago

8 0

The average person in the United States throws away 450 grams of trash per day. There are about 3,200,000 people in the US (in 2013).

3,200,000*450 = 1,440,000,000 grams of trash PER DAY

It wants to know how many grams of trash in ONE YEAR. So,

1,440,000,000*365 = 525,600,000,000

Rounded, that is 530,000,000,000

That is equal to 5.3x10^11

Let me know if you have any more questions about this!

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Which of the following is true about radiation from the sun?

bearhunter [10]

This isn't a math question and should be in the science section. However, I will still answer the question. The answer is choice B.

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Here's a further breakdown

A. False. The radiation or energy from the sun can travel through air or else you wouldn't feel the sun's rays. Also, plant life wouldn't be alive without that energy going through the air.

B. True. The rays travel through a vacuum of space. If they couldn't travel through space, then the same problem comes up as in choice A: the issue of not feeling the sun's rays.

C. False. They rays have different frequencies. Because there are many wavelengths (see choice D below), this means there are different frequencies. Recall that f = 1/w where f is the frequency and w is the wavelength.

D. False. The rays are made of different wavelengths. The visible light portion is what we can see, though there is a lot more to the electromagnetic spectrum (eg: ultraviolet light).

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So once again, the answer is choice B

6 0

2 years ago

Which point is the vertex for the graph of y = |x| + 2? A. (0, 0) B. (0, 1) C. (0, -2) D. (0, 2) E. (2, 0)

JulsSmile [24]

Answer:

D. (0, 2)

Step-by-step explanation:

The vertex of the parent function, |x|, is (0, 0). Adding 2 translates it upward two units to (0, 2).