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tester [92]
3 years ago
15

Please Help...........

Mathematics
1 answer:
klasskru [66]3 years ago
6 0
I believe the answer might be:
x = 28/19

Steps:
Expand
3(5 - x)/2 - 4(3 + 2x)/5

-3x + 15 - 8x + 12
------------ -----------
2 5

Find the LCD for the equation above:
(15-3x) * 5 - (12+8x) * 2
------------- --------------
10 10

Now we combine them since the denominators are equal:
5(-3+15) - 2(8x+12)
--------------------------
10

We expand above:
-31x+51
-----------
10
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Find the distance between the two points. Round to the nearest tenth if necessary. (6, 11), (0, 3) a. 10 b. 14 c. 15 d. 100
lorasvet [3.4K]

Answer: option a

Step-by-step explanation:

You must apply the formula for calculate the distance between the two points. which is shown below:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Therefore, keeping on mind that the points given in the problem are (6, 11), (0, 3), when you substitute values into the formula shown above, you obtain that the distance between these two points is the following:

d=\sqrt{(0-6)^2+(3-11)^2}\\d=10

8 0
3 years ago
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The scores of a high school entrance exam are approximately normally distributed with a given mean mu = 82.4 and standard deviat
Slav-nsk [51]

The percentage of the scores that are between 75.8 and 89 is; 95%

<h3>How to find the percentage from z-score?</h3>

We are given;

Population mean; μ

Standard deviation; σ = 3.3

Thus;

z-score for a mean score of 75.8 is;

z = (75.8 - 82.4)/3.3

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z-score for a mean score of 89 is;

z = (89 - 82.4)/3.3

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Read more about z-score at; brainly.com/question/25638875

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6 0
2 years ago
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