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3 years ago

13

Matt is multiplying 29 × 16. he found the partial product 174 after multiplying the ones and 290 after multiplying the tens. exp

lain how matt can find the final product.

1 answer:

ElenaW [278]3 years ago

4 0

You add 290 and 174 you get 464

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zubka84 [21]

I assume the equation is supposed to be

$3^{x+2}=8^{x-1}$

Then we can write

$9\cdot3^x=\dfrac18\cdot8^x\implies\left(\dfrac38\right)^x=\dfrac1{72}$

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- - -

If the equation is actually $3^x+2=8^x-1$ , I'm afraid it cannot be solved exactly.

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