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Nikitich [7]
2 years ago
15

A ball is orbiting counterclockwise at 100 revolutions per minute (rpm) around a circle of radius 10 cm. The center of the circl

e is at the x-y origin (0, 0). At t = 0, the ball is at (10 cm, 0). When does the ball first reach the y axis?
Mathematics
1 answer:
Iteru [2.4K]2 years ago
8 0
Speed= 100 rev/1 min=(1/4rev)/x min

x=(1/400)min=60/400 sec=3/20=0.15 sec
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Mrs. Powell has $800 invested in stocks and $500 invested in a Certificate of Deposit. The CD has an interest rate twice as grea
Mashutka [201]
Let's use the variable "r" to represent the investment rate of the stocks:
2r(500) + r(800) = 45
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2 years ago
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A shopper seeking a bargain combined a 25% off coupon and brought enough money to cover 25% of the base price. Why did this shop
zheka24 [161]

Let's pretend the base price is $100

If the shopper brings enough money to cover 25% of the base price then they are bringing $25

The bargain promises 25% off of the base price of $100, meaning that the bargain price will be $75

The shopper cannot purchase the item because they only brought $25 when they should have brought $75

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2 years ago
Triangle L M Q is cut by perpendicular bisector L N. Angle N L Q is 32 degrees and angle L M N is 58 degrees. Is TriangleMNL ≅ T
mariarad [96]

Answer:

A Yes, they are congruent by either ASA or AAS.

Step-by-step explanation:

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2 years ago
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If a gardener fences in the total rectangular area shown in the illustration instead of just the square area, he will need twice
Norma-Jean [14]

Answer:

He needs 5x+56 ft

Step-by-step explanation:

To find how much of fencing he needs , we find the perimeter of the given figure

All sides are equal in a square

To find perimeter of the square we add all the sides

4 sides we have for the square

one side is x, so perimeter of square = x+x+x+x= 4x

Now we find perimeter of rectangle

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Here for rectangle we consider only three sides

because fourth side is common for rectangle and square

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5 0
2 years ago
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Zina [86]

Answer:

1 1/8 or 9/8

Step-by-step explanation:

Set up a proportion. The proportion will be teaspoons of chili powder over pound of vegetables.

The first proportion will be..

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Multiply 3/4 and 1 3/4, which is 9/16. Then, divide 9/16 and 1/2, which is 9/8. Simplify it to 1 1/8, and Maxwell will need 1 1/8 teaspoons of chili powder.

Hope this wasn't too confusing :)

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2 years ago
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