3 years ago

A 6th grade class did a weekend fitness challenge.

Mathematics

2 answers:

Anvisha [2.4K]3 years ago

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Ans

Step-by-step explanation:

julsineya [31]3 years ago

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24% is your anwser take 93 - 75 /75 and multiply by 100

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Find the value of y...

soldier1979 [14.2K]

Answer:

y=0

Step-by-step explanation:

Rewrite Evaluate Powers:

3 $3^{2y-1}+3^{-1}+2*3^{y}*3^{-1}=1$

Calculate:

$(3^{y})^{2}*\frac{1}{3} +2*3^{y}*\frac{1}{3}=1$

Solve using substitution:

$(3^{y})^{2}*\frac{1}{3} +\frac{2}{3} *3^{y}=1$ $t=3^{y}$

Solve the equation for t:

$t^{2}*\frac{1}{3}+\frac{2}{3}t=1$

t=-3

t=1

Substitute back to t=3^y

3^y=-3

3^y=1

y∉R

$3^{y}=1$

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3 years ago

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Step-by-step explanation:

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3 years ago

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Answer:

Step-by-step explanation:

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