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Alex777 [14]
3 years ago
9

Sara is hiring a babysitter who charges $20 per hour plus a $10 travel fee. What equation represents y, the amount of money the

babysitter will charge for x hours of service? *
Mathematics
1 answer:
stellarik [79]3 years ago
4 0

Answer:

20x+10=y

Step-by-step explanation:

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True or False. The circumference of a circle is proportional to its diameter. Explain your answer.
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Simplify (x^4y)^3.<br> x^12y^3<br> x^4y^3<br> x^7y^3
pogonyaev
<h3>Answer: Choice A,  x^12y^3</h3>

=========================================================

Explanation:

Think of x^4y as x^4y^1. When we raise this to the third power, we multiply the outer exponent 3 by each inner exponent

x^4 turns into x^12

y^1 turns into y^3

-----------

This is one way to show your work

(x^4y)^3

(x^4y^1)^3

x^(4*3)*y^(1*3) ... multiplying outer exponent by each inner exponent

x^12y^3

-----------

A more lengthy way to get the answer is to write x^4y out three times multiplying by itself that many times. The outer exponent 3 tells us we will have three copies of x^4y multiplied with itself.

(x^4y)^3 = (x^4y)*(x^4y)*(x^4y)

(x^4y)^3 = (x^4*x^4*x^4)*(y*y*y)

(x^4y)^3 = ( x^(4+4+4) ) * ( y^(1+1+1) )

(x^4y)^3 = x^12y^3

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Write an equivalent expression by applying the distributive property or drawing a diagram. You MUST show all work
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Here is the answer to the equation. The photo below is the work shown.

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