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3 years ago

What is the interquartile range for this data set? 9, 17, 3, 26, 9, 15, 7, 20, 5, 12, 22

Mathematics

2 answers:

bonufazy [111]3 years ago

8 0

23 because you subtract the highest from the lowest

stepan [7]3 years ago

4 0

23 because you subtract your highest number with your lowest number

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Find the area of a triangle whose height is 2x and base is 2x + 2.

wel

Answer: $2x^{2}+2x$

Step-by-step explanation:

1. You must apply the formula for calculate the area of a triangle, which is shown below:

$Area=\frac{base*height}{2}$

2. You know the height and the base, which are given in the problem. Then, you only need to substitute them into the equation shown above and simplify it, as following:

$Area=\frac{2x(2x+2)}{2}$

$Area=x(2x+2)\\Area=2x^{2}+2x$

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3 years ago

72 is what percent of 90?

Viktor [21]

It d it is 80 the answer

6 0

3 years ago

Read 2 more answers

I can't figure out the equivalent fraction. Whoever gets it first gets brainliest, and please do explaination

cupoosta [38]

Factorize the numerator and denominator. You'll see that they both have a factor of 4 that can be canceled. The introduce a factor of 3 to change the denominator to 36.

$\dfrac{28}{48} = \dfrac{4\times7}{4\times12} = \dfrac7{12} = \dfrac{3\times7}{3\times12} = \boxed{\dfrac{21}{36}}$

6 0

2 years ago

A cheetah ran 300 feet in 2.92 seconds. What was the cheetah’s average speed in miles per hour? Show your work.

Alchen [17]

You would divide the cheetahs distance which is 300 feet by the cheetahs time which is 2.92 seconds
distance÷time
300÷2.92= 102.7 seconds or 103 seconds if you round up
the cheetahs speed is 102.7 seconds or 103 seconds

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3 years ago

Mr. Crain wants to decorate his door for the first day of school. The door is 7 feet tall and 3 feet wide. How many square feet

Rama09 [41]

Answer:

wirebdjd

Step-by-step explanation:

dkejdkenfjzmdmf

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3 years ago