2 years ago

Please help me ASAP

Mathematics

1 answer:

vovikov84 [41]2 years ago

8 0

1018262910101101 explanation:

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Which algebraic expression is equivalent to the expression below?

Anarel [89]

Answer:

A. 4x²+20x+25

Step-by-step explanation:

Because of PEMDAS, you calculate the value inside of the parenthesis first, so you expand [2x+1-(4x+6)]:

2x+1-4x-6 = -2x-5.

Then apply the exponent:

(-2x-5)² = (-2x-5)(-2x-5) = 4x²+10x+10x+25 = 4x²+20x+25

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Paha777 [63]

Answer:

Is it A

Step-by-step explanation:

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2990000 divided by 56276

marta [7]

Answer:

I'm sorry, I think you mistyped, but the answer for this is 53.130997227947970715758049612623

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andrezito [222]

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2 years ago

In the poportion 1/z =4/5/8 which number is equal to z in the proportion

Nady [450]

Answer:

case 1) $z=10$

case 2) $z=5/32$

Step-by-step explanation:

case 1) we know that

Using proportion

$\frac{1}{z}=\frac{(4/5)}{8}$

solve for z

$\frac{1}{z}=\frac{(4/5)}{8}\\ \\z(4/5)=8\\ \\z=8*5/4\\ \\z=10$

case 2) we know that

Using proportion

$\frac{1}{z}=\frac{4}{5/8}$

solve for z

$\frac{1}{z}=\frac{4}{5/8}\\ \\4z=5/8\\ \\z=5/32$

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2 years ago