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emmainna [20.7K]
3 years ago
14

Consider the sequence of steps to solve the equation: 3(x − 4) + 5x = 9x − 36

Mathematics
1 answer:
castortr0y [4]3 years ago
3 0

Answer:

The additive property of equality.

Step-by-step explanation:

36 is added to both sides of the equation.

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Divide 2112 by 24 and 22 to find your answer.

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3 0
3 years ago
Help me please i need help
scZoUnD [109]
It’s D
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4 0
2 years ago
In a randomly selected sample of 1169 men ages 35–44, the mean total cholesterol level was 210 milligrams per deciliter with a s
Aneli [31]

Answer:

The highest total cholesterol level a man in this 35–44 age group can have and be in the lowest 10% is 160.59 milligrams per deciliter.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 210, \sigma = 38.6

Find the highest total cholesterol level a man in this 35–44 age group can have and be in the lowest 10%.

This is the 10th percentile, which is X when Z has a pvalue of 0.1. So X when Z = -1.28.

Z = \frac{X - \mu}{\sigma}

-1.28 = \frac{X - 210}{38.6}

X - 210 = -1.28*38.6

X = 160.59

The highest total cholesterol level a man in this 35–44 age group can have and be in the lowest 10% is 160.59 milligrams per deciliter.

5 0
3 years ago
B) How many terms are there<br>S.a) Find the value of x:<br>3 15<br>5 2x<br>3<br>5​
Allisa [31]

Answer:

??/

Step-by-step explanation:

???

4 0
3 years ago
Please answer and explain how you received that answer, these are the three problems I had trouble with out of 18
Varvara68 [4.7K]
9) x.14 = 6.26 ==> 14x=156 ==> x=11.1

12) OAB = Right Triangle : (27+24)² = 24² + AB² (Pythagoras)
 ==> 51² =24² + AB²  ==> 2,601 = 576 + AB² ==> AB² = 2,601 - 576 = 2,025
==> AB² = 2015 AND AB =√2025 = 45
Sorry I can't read the last page
5 0
3 years ago
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