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kozerog [31]
3 years ago
14

I can buy 10 gallons of paint for $55. How many gallons can I get for $30?

Mathematics
2 answers:
s2008m [1.1K]3 years ago
8 0
You can get 5 gallons. Hope it helps

AysviL [449]3 years ago
4 0
First you need yo figure out how much each gallon of paints costs. so divide 55 by 10.  55/10=5.5. So each gallon costs $5.50. After that you divide 30 by 5.5 to get the amount of paint you can buy for $30.00.   30/5.5=5.45454545..round that to get 5) so you can buy 5 gallons of paint for $30


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kirza4 [7]

Answer:

P(X

P(z

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(412,68)  

Where \mu=412 and \sigma=68

We are interested on this probability

P(X

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

z=\frac{x-\mu}{\sigma}

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

P(X

And we can find this probability using the normal standard table or excel and we got:

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4 0
3 years ago
The equation of three other functions are given which function or functions have a slope equal to the slope of Function 1
ratelena [41]

Answer:

See Explanation

Step-by-step explanation:

Required

Function(s) with the same slope as function 1

The question is incomplete as function 1 and the three additional functions are not given.

However, I will provide a general explanation.

A slope is represented as:

y = mx + b

Where

m \to slope

So, considering the following equations

y = 2x + 3

y = \frac{3x}{2} + 9

y = 2x - 5

y = -2x + 3

The following equations have the same slope

y = 2x + 3 and y = 2x - 5

Because: y = mx + b implies that:

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5 0
3 years ago
HELP ME PLEASE ASAP
sleet_krkn [62]

D :- 10 - 25 = -5

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Required Answer:- -1

5 0
2 years ago
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Lapatulllka [165]

Answer:

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2 years ago
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