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Zarrin [17]
3 years ago
6

SOMEONE PLEASE HELP I NEED IT there is a lonk to see it

Mathematics
1 answer:
34kurt3 years ago
4 0

Answer:

153.9 cm²

Step-by-step explanation:

A = πr²

A = 3.14(7)²

A = 153.9

Hope this helps!

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the first one

Step-by-step explanation:

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overnigth the temperature drops at a rate 3 per hour how many hours will it take for the temperature to drop 18
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Is 6 the same answer as the answer you would get directly finding the square root of 36
wel

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7 0
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Read 2 more answers
Two different types of tea are sold in your store. If you know 100 cups of tea were sold and one type sold 5 times as much as th
LiRa [457]

The answer can not be found from the given information

Step-by-step explanation:

Two different types of tea are sold in your store

  • You know 100 cups of tea were sold
  • One type sold 5 times as much as the other type

We need to find how much of each type of tea were sold

Assume that the two types are x and y

∵ x represents one type of tea

∵ y represents the other type of tea

∵ 100 cups of tea where sold

- Add x and y, then equate the sum by 100

∴ x + y = 100 ⇒ (1)

∵ x type is 5 times as much as y type

∴ x = 5y ⇒ (2)

Now we have a system of equations to solve it

Substitute x in equation (1) by equation (2)

∴ 5y + y = 100

∴ 6y = 100

- Divide both sides by 6

∴ y = 16.67

<em>But you know number cups must be whole numbers</em>

The number cups can be 102 <em>OR</em> one type is 4 times as much as the other type

If the number of cups is 102, then

85 cups of one type and 17 cups of the other type were sold

If one type is 4 times as much as the other type, then

80 cups of one type and 20 cups of the other type were sold

The answer can not be found from the given information

Learn more:

You can learn more about the system of equations in brainly.com/question/2115716

#LearnwithBrainly

8 0
3 years ago
At the 6th grade school dance there are 132 boys, 88 girls and 14 adults. What is the ratio of boys to girls
spayn [35]
The adult's genders aren't specified so that doesn't matter.

There are 132 boys for every 88 girls

(132:88) 

To simplify the ratio, divide both numbers by the GFC (Divide both sides by 44)

3:2 

There are 3 boys for every 2 girls
5 0
3 years ago
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