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S_A_V [24]
3 years ago
10

Write a expression that uses partial products to multiply 8 x 64

Mathematics
1 answer:
krok68 [10]3 years ago
3 0
8 x 64
=64 x 2 x 4
=128 x 2 x 2 
=256 x 2
=512
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What is the measure of arc AC? <br> A) 33<br> B) 38<br> C) 28<br> D) 45
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B

Step-by-step explanation:

7x-4 is two times 2.5x+4

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Solve each equation 12x - 51 = 3(x + 7)
irinina [24]

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x=8      

Step-by-step explanation:

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1/2r + 2 (3/4r - 1) = 1/4r + 6<br><br>​
gtnhenbr [62]

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7 0
3 years ago
Read 2 more answers
14(0.89)^x+4.5 =162
lisabon 2012 [21]
14(0.89)^{x + 4.5} = 162
\frac{14(0.89)^{x + 4.5}}{14} = \frac{162}{14}
0.89^{x + 4.5} = 11\frac{4}{7}
ln(0.89^{x + 4.5}) = ln(11\frac{4}{7})
(x + 4.5)ln(0.89) = ln(11\frac{4}{7})
\frac{(x + 4.5)ln(0.89)}{ln(0.89)} = \frac{ln(11\frac{4}{7})}{ln(0.89)}
x + 4.5 = -2101.14032500
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3 0
3 years ago
Doing research for insurance rates, it is found that those aged 30 to 49 drive an average of 38.7 miles per day with a standard
Alja [10]

Answer: 0.4302

Step-by-step explanation:

Given : Mean : \mu=\text{38.7 miles }

Standard deviation : \sigma=\text{6.7 miles }

Sample size : n=60

Also, these distances are normally distributed.

Then , the formula to calculate the z-score is given by :-

z=\dfrac{x-\mu}{\sigma}

For x=32.5

\\\\ z=\dfrac{32.5-38.7}{6.7}=-0.925373134\approx-0.93

For x=40.5

\\\\ z=\dfrac{40.5-38.7}{6.7}=0.268656\approx0.27

The p-value = P(-0.93

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Hence, the required probability :-0.4302

3 0
3 years ago
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