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viktelen [127]
2 years ago
15

Help me , plz ion know how to do ittt

Mathematics
1 answer:
Lina20 [59]2 years ago
7 0

Answer:

for number 3 the answer is 8

Step-by-step explanation:

the small one is twice as small as the big one and if you divide the small ones number by 2 you get the values for the big one

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Use the distributive property to remove the parenthesis<br> (v+12)10
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The distributive property means to distribute the number being multiplied by the numbers in the parentheses.
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8 0
3 years ago
I dont understand this
Westkost [7]

Answer:

\dfrac{1}{2x(x-1)}

Step-by-step explanation:

Given

\dfrac{x^2+2x+1}{x^2-1}\div (2x^2+2x)

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x^2+2x+1=(x+1)^2

Consider the denominator:

x^2-1=(x-1)(x+1)

Hence, the fraction becomes

\dfrac{(x+1)^2}{(x-1)(x+1)}=\dfrac{x+1}{x-1}

Consider the expression in brackets:

2x^2+2x=2x(x+1)

Divide:

\dfrac{x^2+2x+1}{x^2-1}\div (2x^2+2x)=\dfrac{x+1}{x-1}\div 2x(x+1)=\dfrac{x+1}{x-1}\times \dfrac{1}{2x(x+1)}=\dfrac{1}{2x(x-1)}

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3 years ago
Jobi is taking his children on a long drive. Jobi is making snack bags to take on the drive using 40 granola bars and 32 apples.
Karolina [17]
40
40 \times 32
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