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denpristay [2]
3 years ago
12

1/3x+y=4 solve the equation for y

Mathematics
2 answers:
faust18 [17]3 years ago
3 0

Y= -1/3x + 4

This would make the equation in slope intercept form

Vlad [161]3 years ago
3 0

Answer:

Step-by-step explanation:

 (1/3)x + y = 4

 Subtract (1/3)x from both sides of the equation

  (1/3)x - (1/3)x + y = 4 - (1/3)x

  y = 4 - (1/3)x

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In the triangle abc the side length side are bc=14 and ac=7 whats b
olga2289 [7]

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8 0
2 years ago
Carol noticed that 7/10 of the children playing soccer were girls. Which statement could be correct?
Maslowich
<span>Carol noticed that 7/10 of the children playing soccer were girls. Which statement could be correct?
A. There were 28 girls and 12 boys playing soccer.
28 : x% = 40 (the total number of children) : 100%
40x = 28 * 100
40x = 2800
x = 2800 / 40
x = 70%
There were 70% of girls in the class.
70 / 100 = 0.7
7/ 10 = 0.7
This is why A is the correct answer.

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7 0
3 years ago
Reports on a student’s ACT, SAT, or MCAT usually give the percentile as well as the actual score. The percentile is just the cum
DaniilM [7]

Answer:

The percentile is calculated with the following probability:

P(X

And using the z score we got:

P(X

So then we can conclude that 31 represent approximately the percentile 81 on the distribution given

He scored better than about 80.98 % of all MCAT takers.

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

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

X \sim N(25.3,6.5)  

Where \mu=25.3 and \sigma=6.5

And for this case we have a score of 31

The percentile is calculated with the following probability:

P(X

And using the z score we got:

P(X

So then we can conclude that 31 represent approximately the percentile 81 on the distribution given

He scored better than about 80.98 % of all MCAT takers.

6 0
2 years ago
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