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stich3 [128]
3 years ago
14

Valeria has a new beaded necklace. 18 out of the 20 beads on the necklace are blue. What percentage of beads on Valeria's neckla

ce are blue?
Mathematics
2 answers:
ANTONII [103]3 years ago
6 0

Answer:

nFtmamtamysktakysykzylyu

nika2105 [10]3 years ago
4 0
We do, 18/20 x 100
= 90%
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Which values of a and b make the following equation true? a = 11, b = 7 a = 11, b = 10 a = 28, b = 7 a = 28, b = 10
xz_007 [3.2K]

Answer:

The answer is

<h2>a = 11, b = 7</h2>

Step-by-step explanation:

( {5x}^{7}  {y}^{2} )( { - 4x}^{4}  {y}^{5} ) =  - 20 {x}^{a}  {y}^{b}

Multiply the terms on the left side of the equation

That's

- 20 {x}^{11}  {y}^{7}  =  - 20 {x}^{a}  {y}^{b}

Since the bases are the same we can equate the exponents

That's

{x}^{11}  =  {x}^{a}

a = 11

And

{y}^{7}  =  {y}^{b}

b = 11

Therefore

a = 11 and b = 7

Hope this helps you

7 0
3 years ago
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