4 years ago

Simplify 2/3[12v-15]

Mathematics

1 answer:

pychu [463]4 years ago

5 0

I believe that 2*(4v-5) is the right answer

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hodyreva [135]

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4 years ago

Multiply. 42.9 × 3.45

frosja888 [35]

Answer:

42.9 x 3.45 = 148.005 exactly or 148 rounded

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3 years ago

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Urgent ; if a^3+b^3=11 and a^3-b^3=5, evaluate a^6-b^6

11111nata11111 [884]

Factorize using the difference of squares identity.

$a^6 - b^6 = \left(a^3\right)^2 - \left(b^3\right)^2 = \left(a^3 - b^3\right) \left(a^3 + b^3\right)$

Then

$a^6 - b^6 = 11 \cdot 5 = \boxed{55}$

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2 years ago

Six students measure the acceleration (in meters per second per second) of object in free fall. The measured values are shown. T

Sunny_sXe [5.5K]

The measured data is
x=[10.56, 9.52, 9.73, 9.80, 9.78, 10.91].

Calculate the mean.
m = (10.56+9.52+9.73+9.80+9.78+10.91)/6 = 10.05

Calculate the deviations from the mean.
k = x - m
= [0.51, -0.53, -0.32, -0.25, -0.27, 0.86]

Calculate the absolute deviation from the mean.
$d= \frac{1}{6} | (0.51-0.53-0.32-0.25-0.27+0.86) | = |1.184\times10^{-15}| \approx 0$

Answer: 0

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4 years ago

What is the m for this slope?

Lerok [7]

Answer: -1/4

Step-by-step explanation:

Slope=rise/run

We rise 1 up

We run 4 to the left (making it negative)

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3 years ago

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