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meriva
3 years ago
15

What is the value of x in the y = 2/3x + 5 when y=7?

Mathematics
2 answers:
vovikov84 [41]3 years ago
6 0

Answer:

x = 3

Step-by-step explanation:

y = 2/3 x + 5; y = 7

7 = (2/3)x + 5

2 = (2/3)x

x = 2 * 3/2

x = 3

Setler [38]3 years ago
4 0

Answer:

x=3

Step-by-step explanation:

To start all you need to do is replace y with 7 to get 7=\frac{2}{3}x+5

Then, you need to isolate x on the right side of the equation, starting with subtracting 5 on both sides to get 2=\frac{2}{3}x

Finally, you divide both sides by \frac{2}{3}. You divide fractions by multiplying the reciprocal like so \frac{2}{1} *\frac{3}{2} =x to get \frac{6}{2} =x. This means that x=3

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Which expressions are equivalent to 3x
musickatia [10]

x is powering both numbers so it can be outside the parenthesis.

We have given that 3^x.

<h3>What is the expression?</h3>

An expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.

The first one isn't an answer because 3^x is exponential while x^3 is a cubic function.

If you draw them you will see that they are very different.

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E is not correct.

will understand after the explanation in DF is correct.

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The question is incomplete the complete question is,

Which expressions are equivalent to the one below? Check all that apply.

3^x

A. x^3

B.(18/6)^x

C.18^x/3

D.3(3^(x-1))

E.3(3^(x+1))

F.18^x/6^x

To learn more about the  expression visit:

brainly.com/question/723406

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3 years ago
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I just solved this one
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factor perfect square
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answer is C

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