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Neporo4naja [7]
3 years ago
5

The number of gallons of gas in the tanks plus 7 more adds up to 12 gallons

Mathematics
2 answers:
Sunny_sXe [5.5K]3 years ago
7 0
If the question is asking how much gas there was before it would be 5 gallons. Im confused on what you want for the answer.
Vikki [24]3 years ago
7 0
So there is 5 gallons in the tank right? I'm pretty sure that's what you were asking if it isn't please tell me<span />
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There were 80 runners to start a race in the first half of the race, 1/5 of them dropped out. In the second half of the race, 1/
charle [14.2K]

Answer:

4

Step-by-step explanation:

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2 years ago
He variable y is directly proportional to the variable x . If y = 10 when x = 6, what is the value of y when x = 15?
Delicious77 [7]

Answer:

B. 25

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10+6=16

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4 0
3 years ago
Read 2 more answers
Find the mean and standard deviation for the set of data.
dem82 [27]

The mean and standard deviation for the set of data will be 16 and 5.87. Then the correct option is A.

<h3>What is a standard deviation?</h3>

It is the measure of the dispersion of statistical data. Dispersion is the extent to which the value is in a variation.

The set of data is given below.

16, 22, 8, 5, 20, 18, 14, 17, 24

The mean of the data set will be

μ = (16 + 22 + 8 + 5 + 20 + 18 + 14 + 17 + 24) / 9

μ = 144 / 9

μ = 16

Then the standard deviation of the data set will be

\rm \sigma = \sqrt{\dfrac{\Sigma (x_i - \mu)^2}{n}} \\\sigma = \sqrt{\dfrac{(16 - 16)^2 +(22 - 16)^2 + (8-16)^2 + ......+(24-16)^2  }{9}} \\\sigma = \sqrt{\dfrac{310}{9}}\\

Simplify the expression further, then we have

σ = √34.44

σ = 5.87

The mean and standard deviation for the set of data will be 16 and 5.87.

Then the correct option is A.

More about the standard deviation link is given below.

brainly.com/question/12402189

#SPJ1

3 0
1 year ago
A painter can paint 350 square feet in 1.25 hours. What is the painting rate per square feet per hour?
Andrei [34K]

Answer:

280

Step-by-step explanation:

350÷5 will give you quarters. 350÷50=70. 70x4=280

5 0
3 years ago
There were 64 basketball games during the ncaa tournament. 16 of those games were decided by 3 points or less. What percentage o
liubo4ka [24]

Answer:

25%

Step-by-step explanation:

Form the fraction 16/64, evaluate it (obtaining 1/4) and multiply this result by 100%.  This results in 25%.

25 % of the games played were decided by 3 points or less

5 0
3 years ago
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