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3 years ago

16 is 80% of what number?

1 answer:

7 0

Answer: 80% of 20 is 16. 100% of 20 is 20, therefore 80 percent of 20 equals 16. To learn how to solve 16 is 80 percent of what Number, see the step by step instructions below.

Step-by-step explanation: Hope this help :D

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Eight less than one half a number is two

lawyer [7]

Is means =

less than is subtract

1/2a -8=2

if you need to know how to do it let me know

7 0

3 years ago

Simplify this expression. 6x2(3x) 18x2 18x3 108x2 108x3

vazorg [7]

A) 18x2 = 36

hope I helped
Best of luck :)

8 0

3 years ago

What values of a and b make the equation true? StartRoot 648 EndRoot = StartRoot 2 Superscript a Baseline times 3 Superscript b

kramer

Option C: $a=3, b=4$ is the value of a and b

Explanation:

Given that the expression $\sqrt{648}=\sqrt{2^a\times3^b}$

We need to determine the value of a and b

Let us consider the term $\sqrt{648}$ and take the prime factorization of the term 648

Thus, we have,

648 divides by 2,

$648=2 \cdot 324$

324 divides by 2,

$648=2 \cdot 2 \cdot 162$

162 divides by 2,

$648=2 \cdot 2 \cdot 2 \cdot 81$

81 divides by 3,

$648=2 \cdot 2 \cdot 2 \cdot 3 \cdot 27$

27 divides by 3,

$648=2 \cdot 2 \cdot 2 \cdot 3 \cdot 3 \cdot 9$

9 divides by 3,

$648=2 \cdot 2 \cdot 2 \cdot 3 \cdot 3 \cdot 3 \cdot 3$

Thus, we have,

$\sqrt{648}=\sqrt{2^{3} \cdot 3^{4}}$

Therefore, equating the powers of 2 and 3, we get,

$a=3, b=4$

Hence, the value of a and b is 3 and 4

Thus, Option C is the correct answer.

4 0

3 years ago

Read 2 more answers

Complete the pattern

romanna [79]

1.) 376.2
2.) 37620
3.)376200.
3.) 3762000

hope that helped

7 0

3 years ago

Elsa's store purchased a sofa at a wholesale price of $350, and sold it for $630. What is the percent of markup?

nataly862011 [7]

Answer:

980%

Step-by-step explanation:

8 0

3 years ago