4 years ago

I need help on 17 ASAP pleasseee helppp

Mathematics

1 answer:

Nata [24]4 years ago

6 0

Answer:

A. Never

B. Never

C. Always

D. Sometimes

Step-by-step explanation:

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What is the percent change from 57 to 12

AnnZ [28]

Answer:

= 130.435% difference

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4 years ago

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liraira [26]

Answer: the heart works to pump through the body systems

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3 years ago

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Butoxors [25]

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3 years ago

If the base is 4, what is the value if the exponent is 2? What if the exponent is -2?

Vikentia [17]

Answer:

In the world of exponents, 4 is the number being raised by the exponent, which is 2.

Let's answer the first question:

If the base is 4, what is the value if the exponent is 2?

The base is 4 and the exponent is 2. We would multiply 4 two times.

$4^2= 4*4 = 16$

So, it would be 16.

Let's answer the second question:

What if the exponent is -2?

This is the rule for negative exponents:

$a^{-x}=\frac{1}{a^x}$

Using this rule, we can solve $4^{-2}$ .

$4^{-2}= \frac{1}{4^2}=\frac{1}{16}$

So, our answer for the 2nd question is 1/16.

3 0

4 years ago

Given: Circumscribed ABCD, AB=5, AD=8, CD=10. Find: BC

Lyrx [107]

Answer:

BC=7

Step-by-step explanation:

The circle can be circumscribed into the quadrilateral, if the sums of the opposite sides of the quadrilateral are eqaul.

Thus,

$AB+CD=AD+BC,\\ \\8+BC=5+10,\\ \\BC=15-8=7.$

5 0

3 years ago