2 years ago

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

Mathematics

1 answer:

dalvyx [7]2 years ago

8 0

5^3(5^x) the rule is a^b(a^c)=a^(b+c)

5^(3+x)

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What is the value of y in the equation 5x+2y=20, when x=0.3

Rasek [7]

5x+2y=20

Substitute 0.3 for x

5(0.3)+2y=20

Multiply 5 by 0.3

1.5+2y=20

Subtract 1.5 from both sides

2y=18.5

Divide 2 on both sides

Final Answer: y= 9.25

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3 years ago

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almond37 [142]

Answer:

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Step-by-step explanation:

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3 years ago

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Elenna [48]

Answer:

22. C to D

23. Sam's height

Step-by-step explanation:

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2 years ago

If f(x) = 7x- 6, which of the following is the inverse of kx)?

Yanka [14]

Step-by-step explanation:

$f(x) = 7x - 6$

$\:$

<u>Inverse</u>

$y = 7x - 6$

$x = 7y - 6$

$x + 6 = 7y$

$y = \frac{x + 6}{7}$

${f}^{ - 1} (x) = \frac{x + 6}{7}$

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2 years ago