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Colt1911 [192]
3 years ago
6

Which expression is equivalent to 2(3 - x) - 12 + 4x 3x - 6 3x - 7 2x - 7 2x - 6

Mathematics
1 answer:
Nadya [2.5K]3 years ago
5 0
The answer is b. 3x-6
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List smallest to geatist 0.83, 0.6, 0.7?
USPshnik [31]
Snallest to the greatest
0.6, 0.7, 0.83
5 0
3 years ago
In a sample of 700 gas​ stations, the mean price for regular gasoline at the pump was $2.894 per gallon and the standard deviati
frez [133]

Answer:

P(x < 2.892) = 4.36\%

Step-by-step explanation:

Given

N = 700 --- Population

\mu = 2.894 -- Mean

\sigma = 0.009 --- Standard deviation

n = 55 -- Sample

Required: P(x < 2.892)

This question will be solved using the finite correction factor

First, calculated the z score

z = \frac{x - \mu}{\sqrt{\frac{N -n}{N -1}} * \frac{\sigma}{\sqrt n}}

z = \frac{2.892 - 2.894}{\sqrt{\frac{700 -55}{700 -1}} * \frac{0.009}{\sqrt {55}}}

z = \frac{-0.002}{\sqrt{\frac{645}{699}} * \frac{0.009}{7.42}}

z = \frac{-0.002}{\sqrt{0.92} * \frac{0.009}{7.42}}

z = \frac{-0.002}{0.95917 * 0.0012129}

z = -1.71

So:

P(x < 2.892) = P(z < -1.71)

Using z table

P(x < 2.892) = 0.043633

P(x < 2.892) = 4.36\%

3 0
3 years ago
Please help me right away
rusak2 [61]

Answer: i am pretty sure the answer is either A or C

Step-by-step explanation:

3 0
3 years ago
I did the first one I need help on this that’s all
Alenkasestr [34]

Answer:

m<A = 70 deg

Step-by-step explanation:

The sum of the measures of the angles of a triangle is 180 deg. Add the three measures and set equal to 180. Solve for x. then use the value of x and the expression for m<A to find the measure of angle A.

m<A + m<B + m<C = 180

5x - 25 + 2x + 10 + 3x + 5 = 180

10x - 10 = 180

10x = 190

x = 19

m<A = 5x - 25 = 5(19) - 25 = 95 - 25 = 70

Answer: m<A = 70 deg

6 0
3 years ago
Read 2 more answers
. The number three thousand two hundred fifty-one written in standard form would be 3,251. True False
OLga [1]
This would be true.
All the place values and it numbers are correct.

Your answer would be true.

Hope this helps!

4 0
3 years ago
Read 2 more answers
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