2 years ago

Which expression has the same value as20/(10/2)

Mathematics

1 answer:

eduard2 years ago

6 0

Answer:

tStep-by-step explanation:

do u want me to evaluate it if so the answer is 4

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Solve for x <br><img src="https://tex.z-dn.net/?f=4x%20-%2016%20%3D%200" id="TexFormula1" title="4x - 16 = 0" alt="4x - 16 = 0"

Shkiper50 [21]

Get x by itself
add 16 to both sides, so 4x = 16
divide both side by 4 and x =4

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Pls help I don’t understand this!

Alborosie

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Step-by-step explanation:

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$\large\boxed{7.\ B.\ 8s^2+16s+1}\\\\\boxed{8.\ D.\ -15t^9u^{11}}\\\\\boxed{11.\ C.\ 3,\ -2}$

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$7.\\(3s^2+7s+2)+(5s^2+9s-1)=3s^2+7s+2+5s^2+9s-1\\\\\text{combine like terms}\\\\=(3s^2+5s^2)+(7s+9s)+(2-1)\\\\=8s^2+16s+1$

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$11.\\n-the\ number\\\\n^2=n+6\qquad\text{subtract}\ n\ \text{and}\ 6\ \text{from both sides}\\\\n^2-n-6=0\\\\n^2+2n-3n-6=0\\\\n(n+2)-3(n+2)=0\\\\(n+2)(n-3)=0\iff n+2=0\ \vee\ n-3=0\\\\n+2=0\qquad\text{subtract 2 from both sides}\\n=-2\\\\n-3=0\qquad\text{add 3 to both sides}\\n=3$

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