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Alborosie
4 years ago
7

Write an equivalent expression using distributive property and simplify for each question

Mathematics
1 answer:
Lana71 [14]4 years ago
4 0

Answer:

Check explanations

Step-by-step explanation:

For all real numbers a,b, and c, the distributive property states that:

a(b + c) = ab + ac

For Part A, we have

2x + 10x = x(2 + 10) = x(12) = 12x

Or

2x + 10x = 2x(1 + 5) = 2x(6) = 12x

For Part B, we have

-4(3x-10)+5(2-6x)=-4*3x--4*10+5*2-5*6x

This simplifies to:

-4(3x-10)+5(2-6x)=-12x+40+10-30x

-4(3x-10)+5(2-6x)=-12x-30x+40+10

-4(3x-10)+5(2-6x)=-42x+50

For the C part, we have:

2(x - 4) + x = 2 \times x - 2 \times 4 + x

2(x - 4) + x = 2x - 8+ x

2(x - 4) + x = 3x - 8

For Part D, we have:

-3-7(3-4x)+8x =  - 3 - 7 \times 3  - 7 \times  - 4x + 8x

We simplify to get:

-3-7(3-4x)+8x =  - 24+28x + 8x

Simplify further to get:

-3-7(3-4x)+8x =-24+36x

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Answer:

Step-by-step explanation:

here you go mate

step 1

-2x+3y-9-5y+2-4x  equation

step 2

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-2x+3y+-9+-5y+2+-4x  

step 3

-2x+3y+-9+-5y+2+-4x  combine like terms

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6 0
3 years ago
Carlos used 6 boards to build 2/3 of a front porch. How many boards will Carlos use to build the whole porch? Express your answe
antiseptic1488 [7]

Answer:

9 boards

Step-by-step explanation:

2/3 of the porch= 6 boards

so to figure out how much one third of the porch needs you find half of what it takes to fill in 2/3 of the porch and you get 3.

so 3=1/3 of the porch

then you simply do 3times 3 or 3+3+3 and you get 9

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8 0
4 years ago
The percent increase from 8 to 14 equal to the percent decrease from 35 to x. what is the value of x
zhenek [66]

Answer:

x= 20 and the decreased value is 35-20=15

Step-by-step explanation:

percent increase = 6/14*100= 43

Percent decrease = 35-x/35*100

6/14*100=35-x/35*100

6/14= 35-x/35

6* 35= 14(35-x)

210= 490-14x

14x= 490-210

14x= 280

x= 280/14= 20

3 0
3 years ago
Ms. Cassidy plotted the point (2, 3) on Miguel’s graph of
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3rd 4th and 6th 
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4 0
4 years ago
Read 2 more answers
what is a rational number that is between 5.2 and 5.5. what is a irrational number that is between 5.2 and 5.5.
Katyanochek1 [597]
5.2 < x < 5.5
square
5.2² < x² < 5.5²
27.04 < x² < 30.25
Pick any number for between 27.04 and 30.25 for x², as long as it's not a perfect square. So you could pick 30.

x² = 30

x = √30 → irrational number between 5.2 and 5.5
8 0
4 years ago
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