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kobusy [5.1K]
3 years ago
14

HELP THIS IS A TEST!! ILL GIVE 20 points!!!

Mathematics
1 answer:
Ronch [10]3 years ago
6 0

Answer:

Triangular Pyramid

Step-by-step explanation:

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3/4(8x-4)=7x+2 This is a linear equation please help!
aleksandrvk [35]

Simplify the left hand side by multiplying the terms in the parenthesis by 3/4, i.e. divide them by 4 and multiply them by 3:

\dfrac{3}{4}(8x-4)=7x+2 \iff 3(2x-1)=7x+2 \iff 6x-3 = 7x+2

Subtract 6x from both sides:

-3=x+2

Subtract 2 to both sides:

x=-5

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3 years ago
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IgorC [24]

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Step-by-step explanation:

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3 years ago
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Both 10 and 6 can be divided by 2.

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5:3

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4 0
2 years ago
Krishaun has $5, $10, and $20 coins worth a total of $560. She has the same number of $5 coins as $10 coins, and the same number
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f = t = n five ten and twenty

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For all real numbers  x  and  y, if  x # y = x(x-y), then x # (x # y) =
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x\#y=x(x-y)\\\\x\#(x\#y)\\\\x\#y=x(x-y)=x^2-xy\\\\x\#(x\#y)=x\#(x^2-xy)=x[x-(x^2-xy)]=x(x-x^2+xy)\\\\=x^2-x^3+x^2y


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3 years ago
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