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3 years ago

Which is greater a positive or negative rational number?

Mathematics

2 answers:

rewona [7]3 years ago

6 0

A positive rational number would be greater because positive numbers are above 0, therefore, they are not negative.

oksian1 [2.3K]3 years ago

4 0

The positive rational number because anything positive is always greater than anying negative. All positive numbers are above 0 and all negative numbers are below 0.

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insens350 [35]

So this is the fully factorized answer

8 0

3 years ago

1. Hoover Dam spans the Colorado

Alona [7]

BEST estimate of this amount is $2(10^{7})$ . Correct option A. 2 x 10^7 .

<u>Step-by-step explanation:</u>

Here we have , Hoover Dam spans the Colorado River on the Nevada-Arizona state line. For its construction, the federal government purchased 21,670,000 pounds of gates and valves. We need to find BEST estimate of this amount . Let's find out:

21,670,000 pounds

⇒ 21,670,000 pounds

⇒ $21,670,000$

⇒ $2167(10^{4})$

⇒ $2.167(10^{3})(10^{4})$

⇒ $2.167(10^{3+4})$

⇒ $2.167(10^{7})$

Now, Rounding of 2.167 we get 2 ,So

⇒ $2(10^{7})$

Hence , BEST estimate of this amount is $2(10^{7})$ . Correct option A. 2 x 10^7 .

5 0

3 years ago

What is the approximate circumference of the circle shown below?<br> Plz help

USPshnik [31]

Hi. The equation for circumference is pi x diameter. I imagine this is an equation you need to know. I like to think of it as how pi is circumference/diameter, no matter what, for every circle ever, which is pretty cool. If you rearrange that you get pi x diameter.

Anyways.

Pi is approximately 3.14, which is also something I imagine you’ll need to know.

You have the radius given to you there and the diameter is double the radius, the whole width of the circle. As your radius is 10cm, your diameter will be 20cm.

20 x pi will give you roughly 62.8, so your answer is B. Hope this helps :)

3 0

3 years ago

Given a profit equation of P = -100p^2 + 21850p - 800000, determine the maximum profit, P to the nearest cent.

Ratling [72]

Answer:it is D

Step-by-step explanation:

7 0

3 years ago

If A ⊂ B, then A ∩ B = A ∪ B. always, sometimes, never

Alex_Xolod [135]

The answer is never.

8 0

3 years ago

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