3 years ago

What is the difference between the mean and the median of the data set?

1 answer:

4 0

As you probably know there is a difference between mean and median -- the mean acts as a measure of the average, and on the other hand median measures the middle number. The median in this is 15 and the mean is also 15.

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Which inequalities have no solution? Check all of the boxes that apply.

Alex787 [66]

Both A and C are correct

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4 years ago

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What is the area of a trapezoid that has the bases of 1 1/4ft and 14 inches and a height of 3 inches.

Rom4ik [11]

The area of the trapezoid is 43.5 inches²

Step-by-step explanation:

The formula of the area of a trapezoid is $A=\frac{1}{2}(b_{1}+b_{2})h$ , where:

$b_{1}$ and $b_{2}$ are the two parallel bases
h is its height

∵ $b_{1}$ = $1\frac{1}{4}$ feet

∵ $b_{2}$ = 14 inches

∵ h = 3 inches

- Change the length of $b_{1}$ from feet to inches

∵ 1 foot = 12 inches

∴ $1\frac{1}{4}$ feet = $1\frac{1}{4}$ × 12 = 15 inches

∴ $b_{1}$ = 15 inches

Substitute the values of $b_{1}$ , $b_{2}$ and h in the

formula of the area

∴ $A=\frac{1}{2}(15+14)(3)$

∴ A = 43.5 inches²

The area of the trapezoid is 43.5 inches²

Learn more:

You can learn more about the area of figures in brainly.com/question/12919591

#LearnwithBrainly

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4 years ago

Each spring, Rachel starts sneezing when the pear trees on her street blossom. She reasons that she is allergic to pear trees. F

horsena [70]

Answer:

Seasonal allergies

Step-by-step explanation:

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Help me please I would really apparated it thanks.

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Solve with the quadratic equation. Estimate answers to<br> nearest tenth.<br><br> 4x² – 12x–9=0

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