3 years ago

Pls help me i am very behind and confused

Mathematics

1 answer:

docker41 [41]3 years ago

8 0

I thinks it’s a sorry if i am wrong

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25 WARNINGS OOPSSSSSSSSSS

nignag [31]

Answer:

Honestly, same. I have 3 warnings for forking arround and got some of my brainliest taken away. But what in the world did you do??

Step-by-step explanation:

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3 years ago

Simplify each expression. Use positive exponents. <br> A^4b^-3<br> ab^-2

choli [55]

$\dfrac{a^4b^{-3}}{ab^{-2}}$

$= {a^{4-1}b^{-3+2}}$

$= {a^{3}b^{-1}}$

$= \dfrac{a^3}{b}$

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3 years ago

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What is the solution to the systems of equations?<br> y= 2/3x + 3<br> x=-2

Romashka [77]

Answer:

y = 8/3

Step-by-step explanation:

x = -2

y = 2/(3*-2) + 3

y = 2/-6 + 3

y = -1/3 + 3

y = -1/3 + 9/3

y = 8/3

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3 years ago

A block of copper weighs 2160g and has a volume of 240cm cubed. what is the density of the copper?

mrs_skeptik [129]

(Mass) 2160g (Divided by) / (Volume) 240cm (Equals) = 9 (Density)

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3 years ago

What is the solution to the equation 2/3a-1/6=1/3

Vsevolod [243]

Answer:

a = $\frac{3}{4}$

Step-by-step explanation:

$\frac{2a}{3} -\frac{1}{6} =\frac{1}{3}$

$\frac{4a}{6}-\frac{1}{6} =\frac{2}{6}$

(now you can multiply the whole equation by 6 to remove the fractions

4a - 1 = 2

4a = 2+1

4a = 3

a = $\frac{3}{4}$

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3 years ago