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kotykmax [81]
3 years ago
11

Complete the explanation of the procedure that can be used to solve 5[3(x + 4) − 2(1 − x)] − x − 15 = 14x + 55. Then solve the e

quation. Use the Distributive Property to distribute the 3 and 2 inside the square parentheses on the left side. Next, inside the square parentheses. Then to distribute 5. Combine like terms on the left side and to solve the equation. The solution is x = .
Mathematics
1 answer:
Debora [2.8K]3 years ago
8 0

Answer:

x =  2.

Step-by-step explanation:

5[3(x + 4) − 2(1 − x)] − x − 15 = 14x + 55

5[3x + 12 - 2 + 2x] - x - 15 = 14x + 55

5[5x + 10] - x - 15 = 14x + 55

25x + 50  - x - 15 = 14x + 55     Now we subtract 14x from both sides:

25x + 50  - x - 15  - 14x = 14x - 14x + 55

10x + 50 - 15 = 55 Now we subtract  50, add 15 to both sides:

10x + 50 - 50 - 15 + 15 = 55 - 50 + 15    

10x =  20

x = 2.

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Answer:

P(141.8

And we can find this probability with this difference and using the normal standard table:

P(-0.639

Then the answer would be approximately 55.3% of women between the specifications. And that represent more than the half of women

Step-by-step explanation:

Let X the random variable that represent the weights of a population, and for this case we know the distribution for X is given by:

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We are interested on this probability

P(141.8

And the best way to solve this problem is using the normal standard distribution and the z score given by:

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If we apply this formula to our probability we got this:

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And we can find this probability with this difference and using the normal standard table:

P(-0.639

Then the answer would be approximately 55.3% of women between the specifications. And that represent more than the half of women

8 0
3 years ago
Prime factorization of 1050
Shkiper50 [21]
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7 0
3 years ago
Please help i don’t understand
SashulF [63]

Answer:

Use inverse cos to solve for x.

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3 0
3 years ago
What is 4+(x+1) when u substitute 3 where you see x
Anna71 [15]

Answer:

8

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6 0
2 years ago
Lara surveyed all of the 11th grade students at her school about the number of languages they speak and whether or not they have
Bingel [31]

Answer:

57.6% have allergies

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Step-by-step explanation:

We only need to consider the students who speak two languages according to the question.

To find the percent with allergies, divide the number of students with allergies by the total number of students (that speak two languages).

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Check your work by adding the percentages to make sure they equal 100%

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2 years ago
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