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Ann [662]
2 years ago
9

[solve each equation for the indicated variable] 2A=πr2 for π

Mathematics
1 answer:
Fantom [35]2 years ago
7 0

Answer:

π = 2A/ r²

Step-by-step explanation:

\pi =  \frac{2a}{ {r}^{2} }

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Ashley got a haircut at the local hair salon. The total for her services was $95 and she will give the stylist a 30% tip, what i
Temka [501]

Answer:

divide 95÷30% then that will be your answer

3 0
3 years ago
At the product store you can buy four bags of bananas for 2084 how much would it cost if you were to buy 3 bags
Darya [45]

Answer:

1563

Step-by-step explanation:

x= 1 bag of bananas

so, 4x=2084

Divide 2084 by 4 to find how much 1 bag of bananas would cost. 2084/4= 521.

To find how much 3 bags of bananas would cost, multiply 521 (the price of one bag) by 3. 521x3= 1563

3 bags of bananas are $1563

3 0
3 years ago
Anna has 6 apples and Andrea has 12? Andrea gets 3 more and Anna gets 2 more. Who has more apples Anna or Andrea? How many apple
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Answer:

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Step-by-step explanation:

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5 0
3 years ago
It is estimated that 30% of households own a riding lawn mower. A sample of 17 households is studied. What is the standard devia
alina1380 [7]

Answer:

1.89 is the standard deviation of households who own a riding mower

Step-by-step explanation:

Let the random variable X denote the number of households owning a riding lawn mower. From the given information, X will be a Binomial random variable with parameters; n = 17 and  p = 30% = 0.3

The standard deviation of X;

\sqrt{n*p*(1-p)}

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7 0
3 years ago
Y is directly proportional to x,<br> and y = 45 when x = $600...<br> Find y if x = $1000.
Paul [167]

Answer:

The Answer is: 75.

Step-by-step explanation:

Set up the equation:

45 / 600 = y / 1000

600y = 45 * 1000

600y = 45000

y = 45,000 / 600 = 75.

5 0
3 years ago
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