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2 years ago

12

What is the probability of picking a blue marble from a bag of 3 blue marbles, 4 orange marbles, 2 yellow marbles and 1 red marb

le, then replacing the
marble and selecting a yellow marbles?

1 answer:

REY [17]2 years ago

3 0

I thinks it’s 20 because it’s easy

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Find the arc length and area of a sector with radius R =60 inches and central angle equals 30° round your answer to the nearest

Black_prince [1.1K]

Answer:

(a)31.42 inches

(b)942.48 Square Inches

Step-by-step explanation:

Given a sector of a circle with the following dimensions:

Radius of the circle =60 inches

Central Angle of the sector =30°

(a)Arc Length

Arc Length $=\dfrac{\theta}{360^\circ}X2\pi r$

$=\dfrac{30}{360^\circ}X2*60*\pi\\\\=10\pi\\\\=31.42$ Inches (correct to the nearest hundredth)$

(b)Area of the sector

Area of the sector $=\dfrac{\theta}{360^\circ}X\pi r^2$

$=\dfrac{30}{360^\circ}X\pi*60^2\\\\=300\pi\\\\=942.48$ Square Inches (correct to the nearest hundredth)$

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3 years ago

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Irina18 [472]

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3 years ago

I need help im stuck

Katyanochek1 [597]

Answer:

4712.4

Step-by-step explanation:

I got the same question a few days ago.

The volume is πr^2 * h / 3

r = 15

h = 20

225π * 20 / 3

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It's 4712.38898

Round to 4712.4

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3 years ago

During a pumpkin launching contest, two pumpkins are launched at the same time. The path of pumpkin A is modeled by the equation

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The launchers height above the ground at zero distance h(x)+0+0+.4= 4 meaning that the height is 4 <span />

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3 years ago

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Please show how you solved the problem. <br><br><br><br><br><br><br><br> 4a - 14 = 7a - 8

lianna [129]

4a - 14 = 7a - 8

4a - 7a = 14 -8

-3a = 6

a = 2

ok done. Thank to me :>

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2 years ago

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