3 years ago

) Which expressions are equivalent to 45? Choose ALL that apply.

Mathematics

1 answer:

VMariaS [17]3 years ago

5 0

4.5 and maybe 16-64. If they count -

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A 13 3/4 -inch candle burns down in 11 hours. If b represents how much of the candle, in inches, has burned away at any time giv

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Answer:

5t = 4b

Step-by-step explanation:

Here, we want to write a proportional relationship for b in terms of t

From the question, b represent the amount of candle burned away in a given time t hours

From what we have initially, 13 3/4 burnt in 11 hours

So in 1 hour, the amount burnt will be;

55/4/11 = 5/4

5/4 inches of candle burnt in 1 hour

5/4 inches = b/t

So b inches burnt in t hours

5/4 = b/t

5t = 4b

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ASAP PLS An angle measures 72.6° less than the measure of its complementary angle. What is the measure of each angle?

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2 years ago

15-18, use the properties of the exponents to write an equivalent expression for each given expression.

Leto [7]

15.

$( {4}^{4} ) {}^{3}$

$= {4}^{4 \times 3}$

$= {4}^{12}$

$= 16777216$

___________________________________________

16.

$\frac{ {3}^{12} }{ {3}^{3} }$

$= {3}^{12 - 3}$

$= {3}^{9}$

$= 19683$

___________________________________________

17.

${4}^{5} \times {4}^{2}$

$= {4}^{(5 + 2)}$

$= {4}^{7}$

$= 16384$

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18.

${6}^{4} \times {2}^{4}$

$= ({6 \times 2})^{4}$

$= {12}^{4}$

$= 20736$

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3 years ago