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dusya [7]
3 years ago
10

72 is 25% of students that have a cat, how many total students are there?

Mathematics
1 answer:
Lemur [1.5K]3 years ago
7 0

Answer:

the answer is 288 because 72 would be one fourth or 25% of 288. 72 plus 72 plus 72 plus 72 equals 288 equals 100%

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The data shows the speed, in miles per hour, of motorists on a stretch of road.
melomori [17]

Answer:

i. 18 miles per hour is an outlier

ii. the outlier decreases the mean speed

Step-by-step explanation:

An outlier in a given data is one of the values that is far greater or lesser compared to others. It affect the mean and standard deviation of a given data significantly.

From the given data, 18 is far too small compared to other values. This is certainly an outlier. This would affect the mean speed by decreasing the value.

An interquartile range is a measure of differences among data by dividing a set of given data into quartile. Increasing the value of the outlier would increase the interquartile range.

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7 0
3 years ago
Travis takes out a loan from his bank for $3,500. At the end of the year, Travis will need to pay the loan back to his bank alon
Reil [10]

Answer:

$3,787

Step-by-step explanation:

frist find the amount of intrest

3,500 X 0.082 X 1 = 287

next add the oragial amount to the amount of intrest

3,500 + 287 = 3,787

6 0
2 years ago
Carmen represents the equation y=x^2+1 using a graph. She says her graph shows there is more than one input for almost every out
Korvikt [17]

No - It is a function.


A relation which is not a function has more than 1 output for an input.

7 0
3 years ago
Sam wants to buy 8 pencils and 6 pens, which cost a total of $8.50. He realizes he doesn't have enough cash and instead takes on
Diano4ka-milaya [45]
X = pencils, y = pens

8x + 6y = 8.50
4x + 4y = 5.....multiply by -2
----------------
8x + 6y = 8.50
-8x - 8y = -10 (result of multiplying by -2)
-----------------add
-2y = - 1.50
y = -1.50 / -2
y = 0.75 <=== pens cost 0.75

4x + 4y = 5
4x + 4(0.75) = 5
4x + 3 = 5
4x = 5 - 3
4x = 2
x = 2/4
x = 0.50 <== pencils cost 0.50
8 0
3 years ago
Elise ​says, "If you subtract 17 from my number and multiply the difference by negative 6​, the result is negative 126​." What i
Studentka2010 [4]
Well, I would just reverse it. It seems you just have to reverse the whole problem.
4 0
3 years ago
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