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Alexeev081 [22]
3 years ago
11

How did you fine the answer. The answer that I have is correct but how do you get to it . I need 1a 1b and 2

Mathematics
1 answer:
Anna71 [15]3 years ago
6 0

1a:

580 - (580 × .1) - 20

580 - (58) - 20

522 - 20

502

1b:

990 - (990 × .25) - 20

990 - (247.5) - 20

742.5 - 20

722.5

I'm not sure how to solve #2.

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Which applies the power of a power rule to simplify the expression (8 Superscript 12 Baseline) cubed?
rodikova [14]

Answer: (8^{12})^3=8^{12\times 3}=8^{36}

Step-by-step explanation:

Given :  the expression (8^{12})^3

We have to simplify the given  expression and choose the correct from the given options.

Consider the expression (8^{12})^3

Using property of exponents,

\left(a^b\right)^c=a^{b\times c}

We have,

(8^{12})^3=8^{12\times 3}=8^{36}

7 1
3 years ago
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A population of bacteria starts 8 and is doubling every 12 hours. What equation
Lina20 [59]

Answer:

a = 8 * (2)^(2x)

Step-by-step explanation:

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0.7 mm to centimeters
san4es73 [151]

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8 0
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What is the answer to 8x^3+125 by factoring the perfect cube?
expeople1 [14]

Answer:

\large\boxed{8x^3+125=(2x+5)(4x^2-10x+25)}

Step-by-step explanation:

8x^3+125=2^3x^3+5^3=(2x)^3+5^3\\\\\text{use}\ a^3+b^3=(a+b)(a^2-ab+b^2)\\\\=(2x+5)((2x)^2-(2x)(5)+5^2)\\\\=(2x+5)(4x^2-10x+25)

3 0
3 years ago
X + 2 &gt; -8<br> a. x &gt; -6<br> b. x &gt; -10<br> c. x &lt;-10<br> d. x &lt; -6
PSYCHO15rus [73]
The answer is: [B]: x <span>> -10
__________________________
Explanation:
___________
Given the inequality:
___________
</span>→  <span>x + 2 > - 8  ;
____________
</span>→ Subtract<span> "2" from EACH side; to isolate "x" on one side; and solve, or simplify, for "x" ;
_______________________
</span>→  x + 2 − 2 > - 8 − 2 ;  to get:
_______________________
→  x > -10 ; which is: 'Answer choice: [B]'.
_______________________
6 0
3 years ago
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