the number of hours that college freshman spend studying each week is normally distributed with a mean of 8 hours and a standard deviation of 5.5 hours. what percentage of students spend between 2.5 and 19 hours each week?

Answers

Answer 1

Answer:

The answer would be

81.5%

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Help me solve the problem
Solve the following simultaneous linear equations by the elimination method. 2p - 3q = 13 p - 3q = 2
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Write 720,080 in expanded form with exponets

Answers

Answer:

7x10^6+2x10^5+8x10

Step-by-step explanation:

Choose one of the factors of x6 + 1000x2

x2 – 10

x4 – 10x2 + 100

x4 + 10x2 + 100

Answers

x⁶ + 1000
x⁶ - 10x⁴ + 10x⁴ + 100x² - 100x² + 1000
x⁶ - 10x⁴ + 100x² + 10x⁴ - 100x² + 1000
x²(x⁴) - x²(10x²) + x²(100) + 10(x⁴) - 10(10x²) + 10(10)
x²(x⁴ - 10x² + 100) + 10(x⁴ - 10x² + 100)
(x² + 10)(x⁴ - 10x² + 100)

C is the Correct Answer 100%.

Mark Brainiest Answer plz.

A. What is the median of the data set?B. What is the lower quartile of the data set?

C. What is the upper quartile of the data set?

Answers

Answer:the median is 20 and the lower quartile is 16.5

Step-by-step explanation:

PLLLLEEEEEAAASEEE HELP ME!!!

Answers

The total of a triangle must be 180 degrees, so since c = z, then z is 35 degrees, add that to the 65 degrees of angle x to get 100, so the angle must be an 80 degrees, so angle y is 80 degrees

Find the surface area.
24 yd
15 yd
15 yd
+13 yd
15 yd

Answers

The surface area of the figure in square yards is 1275 square yards

Surface area of a prism

The surface area of a figure is the tota sum of all the area of the faces.

For the given diagram, it consist of 2 triangles and 3 rectangles

Area of the figure = 3(24 * 15) + (13* 15)

Surfacea area = 3(360) + 195
Surface area = 1080 + 195

Surface area = 1275 square yards

Hence the surface area of the figure in square yards is 1275 square yards

Learn more on surface area of prism here: brainly.com/question/1297098

For what value of x does 32x - 93x-4 ?

Seven tenths of a number plus fourteen is less than forty-nine

Answers

I'm going to assume you need this inequality solved.

First, write it as numbers, not words.

7/10n + 14 < 49

where "n" is the unknown number.

Second, if I were you, I'd change that fraction into a decimal, as it'll make life easier later on.

7/10 = 0.7

Now, solve it like you would any other equation.

0.7n + 14 < 49

0.7n +14 - 14 < 49 - 14

0.7n < 35

0.7n ÷ 0.7 < 35 ÷ 0.7

n < 50

The answer is n < 50

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3/7 of which is 2 1/14

A cab charges $1.45 for the flat fee and $0.55 for each mile. Write and solve an inequality to determine how many miles Ariel can travel if she has $35 to spend. $1.45 + $0.55x ≥ $35; x ≥ 61 miles $1.45 + $0.55x ≤ $35; x ≤ 61 miles $0.55 + $1.45x ≥ $35; x ≥ 23 miles $0.55 + $1.45x ≤ $35; x ≤ 23 miles

It says write an equation of the line shown and the line goes through points 4,3 and 1,-3

36% of what number is 27?