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2 years ago

10

Find the indicated area under the curve of the standard normal distribution; then covert it to a percentage and fill in the blan

k. About ___% of the area is between z=-2 and z=2 (or within 2 standard deviations of the mean)

1 answer:

Artemon [7]2 years ago

5 0

99.74\ % hope this is correct and help !

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Kayleigh has 3 1/2 gallons of water. She wants to fill up 1/3 cups. How many cups can she fill and how much is left over?

mariarad [96]

Answer:

10.5

Step-by-step explanation:

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2 years ago

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∠A and \angle B∠B are supplementary angles. If m\angle A=(x-16)^{\circ}∠A=(x−16) ∘ and m\angle B=(3x+28)^{\circ}∠B=(3x+28) ∘ , t

GalinKa [24]

Answer:

∠A = 26°

Step-by-step explanation:

Supplementary angles total 180°.

∠A +∠B = 180°

(x -16)° +(3x +28)° = 180°

4x° + 12° = 180°

x° +3° = 45°

x° = 42°

∠A = (x -16)° = 42° -16°

∠A = 26°

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3 years ago

What is the slope of the line that has the equation 4x + 2y = 12?

WARRIOR [948]

Answer:

The slope is -2

Step-by-step explanation:

convert to slope intercept form. the number or fraction by the x when in slope intercept form is the slope.

6 0

3 years ago

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A tank is in the shape of a cylinder 7 feet tall and 10 feet and radius find the exact surface area of the tank

Varvara68 [4.7K]

Answer:

$2036.75088022^{2}$ or $2036.8^{2}$ rounded to the nearest tenth

Step-by-step explanation:

1. Find the area of the base and the top, which are circles.

Area of circle : $\pi 10^{2}$ = 986.960440109

There are 2 circles, soooooo....= 986.960440109 x 2 = 1973.92088022

2. Find the rest of the area of the cylander.

So, we have to find the circumference of the circle.

Circumference :2 $\pi$ 10 = 62.83

3. Multiply circumference by height.

62.83 x 7 = 439.81

4. Add all of the products.

439.81 + 1973.92088022 = $2036.75088022^{2}$ or $2036.8^{2}$ rounded to the nearest tenth

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2 years ago

Rodney can wash 24 windows in an hour how many windows can he wash in 1/8 of an hour

Viktor [21]

Answer:

3

Step-by-step explanation:

24x (1/8) = 3

hope this helps

3 0

3 years ago