3 years ago

PLEASE HElp ME :(((( brainlist included <3

Mathematics

1 answer:

andre [41]3 years ago

6 0

Answer:

51.................

Step-by-step explanation:

29x2-7= 51

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bagirrra123 [75]

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What is the simplified value of the exponential expression 27}? оооо 3 9 1/3 1/9

iVinArrow [24]

Note: Your exponential expression seems a little unclear. Because 27 is not an exponential expression.

But, I am assuming that your exponential expression is:

$\:27^{\frac{1}{3}}$

The reason is that my solution would still clear your concept about this topic, no matter what the question is.

Answer:

The simplified value of the exponential expression is:

$27^{\frac{1}{3}}=3$

Step-by-step explanation:

Assuming the exponential expression

$\:27^{\frac{1}{3}}$

$\mathrm{Factor\:the\:number:\:}\:27=3^3$

$=\left(3^3\right)^{\frac{1}{3}}$

$\mathrm{Apply\:exponent\:rule}:\quad \left(a^b\right)^c=a^{bc},\:\quad \:a\ge 0$

$\left(3^3\right)^{\frac{1}{3}}=3^{3\cdot \frac{1}{3}}$

$=3^{3\cdot \frac{1}{3}}$

$=3^1$

$\mathrm{Apply\:exponent\:rule}:\quad \:a^1=a$

$=3$

Therefore, the simplified value of the exponential expression is:

$27^{\frac{1}{3}}=3$

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3 years ago

Mr. Thomas has $25. He buys 15 greeting card and 15 envelopes. Greeting card cost $1.60 each and envelopes cost $0.80 each. How

Luden [163]

15*1.6 + 15 * .8 =

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He needs 36 dollars

If he has 25 dollars, he is short 11 dollars

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So, $54 ÷ 24 = $2.25 is the cost per pound of cat food.

Step-by-step explanation:

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