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mixas84 [53]
2 years ago
6

Solve for x: 10x – 3 + x < 30

Mathematics
2 answers:
Pachacha [2.7K]2 years ago
6 0

Answer:

x = 2

Step-by-step explanation:

10×2-3+2<30

Mars2501 [29]2 years ago
5 0

Answer:

X is...

Step-by-step explanation:

10x – 3 + x < 30

11x - 3 < 30 (add the one x to the 10)

11x < 33 (add the 3 to the 30)

x < 3 (divide both sides by 11 and the final number is the answer)

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To solve for proportion we make use of the z statistic. The procedure is to solve for the value of the z score and then locate for the proportion using the standard distribution tables. The formula for z score is:

z = (X – μ) / σ

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when X = 70

z1 = (70 – 100) / 15 = -2

Using the standard distribution tables, proportion is P1 = 0.0228

 

when X = 130

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Using the standard distribution tables, proportion is P2 = 0.9772

 

Therefore the proportion between X of 70 and 130 is:

P (70<X<130) = P2 – P1

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Therefore 0.9544 or 95.44% of the test takers scored between 70 and 130.

6 0
3 years ago
What is the solution to this equation 8 - 2x + 6x = 24
san4es73 [151]

x = 4

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Then solve:

4x = 24 - 8

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4 0
3 years ago
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Step-by-step explanation:

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Answer:

2, 6, and 7

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3 years ago
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