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d1i1m1o1n [39]
3 years ago
11

You are shopping for school supplies. You want to buy 8 notebooks for $1.50 each. Show how you can use the distributive property

to find the total cost of the notebooks mentally.
8x $150=8(1+ )
=8(1)+8( )
=8+ ( )
=$ ( )
Mathematics
1 answer:
RoseWind [281]3 years ago
6 0

Answer:

12

Step-by-step explanation:

8x1+8x0.5

8+4

12

12$ is the total cost

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Read 2 more answers
F() = x2 + 1<br> g(x) = 5 - x<br> (f+g)(x) =
frutty [35]

Answer:

(f+g)(x) = x² - x + 6

Step-by-step explanation:

We can find (f+g)(x) by adding f(x) and g(x).

f(x) = x² + 1

g(x) = 5 - x

(f+g)(x) = f(x) + g(x)

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8 0
3 years ago
What irrational number can be added to pi to get a sum that is rational
m_a_m_a [10]

Answer is  -pi

Let x be this unknown number. Adding on x to pi gets us the expression x+pi

If we set x+pi equal to zero (which is a rational number) and solve for x, we get

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so adding pi to -pi will lead to 0 since

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5 0
3 years ago
Isabel received 4/7 of the 210 votes for cast for class treasurer. How many votes did she receive? Write your answer in simplest
KengaRu [80]

Answer:

120 votes

Step-by-step explanation:

So one way to solve this is by creating an equation to solve for x.

So we are given 4/7, that will be one side of the equation.  

And we are trying to figure out how many votes out of the 210 she received, so on the other side of the equation we will have x/210, since we are solving for x.  

So 4/7 = x/210

We want to get x alone, so we can multiply 4/7 by 210, which equals 120.

So x equals 120!

8 0
3 years ago
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