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yKpoI14uk [10]
3 years ago
9

Solve 7x - 2 = 5x + 14

Mathematics
1 answer:
Alexxx [7]3 years ago
4 0

Answer:

8

Step-by-step explanation:

7x - 5x = 14 + 2

2x = 16

x = 16/2

x = 8

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Daniel is currently 26 years older than his son. In sic years he will be tree times older than his son. How old are both of them
Vlad1618 [11]

well, 26+6 is 32, so divide that by 3 and you'd get 10.67, making daniel 32 by that time and his son being 10 years old

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4 0
3 years ago
Read 2 more answers
Assume the upper arm length of males over 20 years old in the United States is approximately Normal with mean 39.2 centimeters (
MAVERICK [17]

Answer:

The interval [32.6 cm, 45.8 cm]

Step-by-step explanation:

According with the <em>68–95–99.7 rule for the Normal distribution:</em>  If \large \bar x  is the mean of the distribution and s the standard deviation, around 68% of the data must fall in the interval

\large [\bar x - s, \bar x +s]

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\large [\bar x -2s, \bar x +2s] 

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\large [\bar x -3s, \bar x +3s]

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[39.2 - 3*2.2, 39.2 + 3*2.2] = [32.6, 45.8]

<em>This means that if we measure the upper arm length of a male over 20 years old in the United States, the probability that the length is between 32.6 cm and 45.8 cm is 99.7%</em>

3 0
3 years ago
Which of the following represents the coordinates of point A?
KiRa [710]
The coordinates of A will be (2P +M)/3
= (2(16, 14) +(1, 4))/3 = (33/3, 32/3) = (11, 32/3)

The appropriate choice is
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_____
You will note that the coordinates of A are the weighted average of the coordinates of the end points. The weighting is the reverse of the ratio of the line segments. That is, the point adjacent to the shortest segment gets the highest weighting. (This is typical of the solution to "mixture" problems.)
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dmitriy555 [2]
3 different ways 1.3 1.3 1.3 and other
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Paladinen [302]

Answer:

8842

Step-by-step explanation:

4 0
3 years ago
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