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Y_Kistochka [10]
3 years ago
5

Explain how to fin 4 x 80. show your work

Mathematics
1 answer:
algol [13]3 years ago
5 0
4x80=320

Work:

4x8 = 32
(4+4+4+4+4+4+4+4)
Now carry the 0 and you get 320
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8 0
3 years ago
Find an input that yield an output of -1 rule y=-2x+33
djyliett [7]

Input (x-value)

Output (y-value)

You need to find the x-value that produces a y-value of -1. Since you know:

y = -1       Use the rule, and substitute/plug this into the equation

y = -2x + 33       Plug in -1 for "y" in the equation since y = -1

-1 = -2x + 33        Subtract 33 on both sides

-1 - 33 = -2x + 33 - 33

-34 = -2x      Divide -2 on both sides to get "x" by itself

\frac{-34}{-2}=\frac{-2x}{-2}

17 = x

An input of 17 yields an output of -1

3 0
3 years ago
Simplify this question please im really confused
Gemiola [76]

Answer:

option A

Step-by-step explanation:

\frac{x^a}{x^b} = x^{a-b} , z^0 = 1

So,

\frac{18x^5 y}{6xy^8z^0} = \frac{18}{6} \times x^{5 -1} \times y^{1-8} = 3 x^4 \times y^{-7} = \frac{3x^4}{y^7}

8 0
3 years ago
Marty was paying off a television that he bought on layaway, which means he has to pay it off over a period of time. Marty made
ioda

Answer:

he needs to be paying  $60 per month

Step-by-step explanation:

please kindly check the attached files for explanation

4 0
3 years ago
If (-2/15)+(-13/5)=(-13/5)+a/b then a/b is equal to​
stellarik [79]

The choose C. –2/15

(-2/15) +(-13/5) =(-13/5) +a/b

a/b = (-2/15)+(-13/5) - (-13/5)

a/b = (-2/15) - ( 39/15) +(39/15)

a/b = –2/15

I hope I helped you ^_^

6 0
3 years ago
Read 2 more answers
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