2 years ago

What is the value of y?

Mathematics

1 answer:

Stels [109]2 years ago

8 0

Answer:

Step-by-step explanation:

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Rewrite the following expression.

faust18 [17]

We have been given the expression

$x^{\frac{9}{7}}$

We have the exponent rule

$x^{\frac{a}{b}}= x^{a^{(\frac{1}{b})}}$

Using this rule, we have

$x^{\frac{9}{7}}= x^{9^{(\frac{1}{7})}}$

Now, using the fact that $x^{\frac{1}{n}}=\sqrt[n]{x}$ , we get

$x^{\frac{9}{7}}= \sqrt[7]{x^9}\\
\\
x^{\frac{9}{7}}=\sqrt[7]{x^7\times x^2}\\
\\
x^{\frac{9}{7}}=x\sqrt[7]{x^2}$

D is the correct option.

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2 years ago

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Y = x + 3<br>2y = 2x + 6

Marina CMI [18]

Answer:

x=0

y=3

Step-by-step explanation:

2(x+3)=2x+6, substituting the first equation in the second

2x+6=2x+6, rearranging the equations

2x-2x=6-6

0=0

y=0+3

y=3

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2 years ago

What is the answer to 6(-3-4y) simplifying algebraic expressions

alukav5142 [94]

6(-3-4y)
-18-24y

(Multiply 6 by both numbers)

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2 years ago

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Sunny_sXe [5.5K]

#14= B. 11
#15= C. -2

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2 years ago

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Use the integer tiles to find the sum of 4 and –5. 9 1 -1 -9

Westkost [7]

Answer:

the sum of 4 and -5 is -1

Step-by-step explanation:

4 - 5 = -1

-5 + 4 = -1

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