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vampirchik [111]
3 years ago
11

Simplify, then write the answer in the standard form (2x3 - X + 8) + (- X3 + x - 3)

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
5 0

Answer: x^3+5

Step-by-step explanation: You add the terms with similar exponents.

2x^3 + (-x^3) = x^3     -x+x = 0      8 + (-3) = 5

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Destiny can run one-eighth of a mile in three-quarters of a minute, and she can walk one-quarter of a mile in 4 minutes. How man
yarga [219]

Answer:

a) Destiny can run 1 mile is 6 minutes.

b) Destiny can walk back 1 mile is 16 minutes.

Step-by-step explanation:

The running rate of Destiny is

(\frac{1}{8}) \textrm{mile in} (\frac{3}{4}) \textrm{minutes}

So, she runs 1 mile in 8 \times (\frac{3}{4} )\textrm{minutes}  

= 6 minutes

Hence, Destiny can run 1 mile is 6 minutes.

The walking rate of Destiny is

(\frac{1}{4}) \textrm{mile in} 4  \textrm{minutes}

So, she walks 1 mile in 4 \times (4 )\textrm{minutes}  

= 16 minutes

Hence, Destiny can walk back 1 mile is 16 minutes.

4 0
3 years ago
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4 years ago
What is the remainder when 48240 is divided by 412. What is the remainder when 864 is divided by 31 713 divided 81=8 express the
prohojiy [21]
1) remainder of 36
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5 0
3 years ago
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How do you solve the equation 7^(7n+7)=2,401
RoseWind [281]
7^(7n + 7) = 2401
apply log on both sides to solve the equation
log 7^(7n + 7) = log 2401
the power is brought forward
(7n + 7) log 7 = log 2401
7n +7 = log 2401 / log 7
7n + 7 = 4
7n = -3
n = -3/7

Hope it helped!
5 0
3 years ago
How can I find the value of this angle?
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3 years ago
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