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kondaur [170]
3 years ago
14

Why is this the answer?

Mathematics
1 answer:
alexdok [17]3 years ago
5 0

Answer:

B  1/y^3

Step-by-step explanation:

The negative exponent says move it from the numerator to the denominator

(If it were in the denominator we would move it to the numerator)

y^-3  becomes  1/y^3

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What expression best estimates -18 1/4 ÷ 2 2/3<br>a. 18÷3<br>b. -18÷3<br>c. -18÷(-3)<br>d. 18÷(-3)​
agasfer [191]
B) because if you round your numbers, -18 1/4 is -18 and 2 2/3 rounds up to positive 3
8 0
3 years ago
A d + b = 180
serg [7]
I know B is true, but i’m unsure for the other choices.
7 0
3 years ago
Rewrite using positive exponents 
Oxana [17]

Answer:

Your selection is appropriate

Step-by-step explanation:

A negative exponent in the numerator is equivalent to a positive exponent in the denominator, and vice versa.

... a⁻² = 1/a²

____

2⁴ multiplies the variable expression no matter which way it is written.

4 0
3 years ago
N a recent flu epidemic, the number of flu cases increased by 40% each week. There were 3,000 flu cases during the first week of
Anarel [89]

Answer:

2,880 people

Step-by-step explanation:

Week 1: 3,000 cases

Week 2: 0.4 * 3,000 = 1,200. 1,200 + 3,000 = 4,200

Week 3: 0.4 * 4,200 = 1,680. 1,680 + 4,200 = 5,880

5,880 - 3,000 = 2,880

8 0
3 years ago
Read 2 more answers
Write an inequality for the graph<br> A. x &gt; -3<br> B. x &lt; -3<br> c. x &gt; -3<br> _
earnstyle [38]

Answer:

A. x > -3

Step-by-step explanation:

Well by looking at the graph we can tell that,

the line we can tell that the line goes to the right of of the number line,

Meaning x is greater than -3.

<em>Thus,</em>

<em>x > -3.</em>

<em />

<em>Hope this helps :)</em>

5 0
4 years ago
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