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vovangra [49]
3 years ago
11

If you could plz help it would be greatly appreciated. Questions in picture :)

Mathematics
1 answer:
Pavel [41]3 years ago
7 0

Notice that 8 can be written in exponential form of 2^{3}

When you see (2^{3} )^{\frac{8}{3} } , recognize that  (a^{m} )^{n} =a^{mn}

3 × \frac{8}3} = 8

Hence, the answer is 2^{8} . Which means 256.

Here is some indices rules/formulas you might find helpful as well:

a^{m} * a^{n} =a^{m+n} \\\\  a^{m} /a^{n} =a^{m-n} \\\\ (a^{m} )^{n} =a^{mn} \\\\ a^{-m} =\frac{1}{a^{m} }

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andreev551 [17]
The first option: 2x^2+2x-4 since there are three terms
5 0
3 years ago
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This is for math, this is a test great help
RUDIKE [14]

Answer:

12.5

Step-by-step explanation:

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R/3 + 5 &lt; 8<br><br> please help
Feliz [49]

Answer:

r<9

Step-by-step explanation:

r/3 + 5 < 8

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r/3 + 5-5 < 8-5

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3 0
3 years ago
Omar grouped the terms and factored the GCF out of the groups of the polynomial 3x3 – 15x2 – 4x + 20. His work is shown.
Phoenix [80]

Answer:

2nd option

Step-by-step explanation:

Given

3x³ - 15x² - 4x + 20

step 1 ( group the first/second and third/fourth terms )

(3x³ - 15x² ) + (- 4x + 20)

step  2 ( factor each group )

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step 3 ( factor out (x - 5) from each term )

(x - 5)(3x² - 4)

4 0
3 years ago
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X + 67 = 70 <br><br> what does "x" equal?<br><br> Please explain your answer, thanks!
8_murik_8 [283]
Hey there!

3 + 67 = 70,

so your answer will be:
x = 3

Hope this helps!
Have a great day (:
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3 years ago
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