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Zinaida [17]
3 years ago
11

How would I solve 7r=-7/2? I know the answer is -1/2 I just don't understand how to get -1/2 as my answer.

Mathematics
1 answer:
Sonja [21]3 years ago
8 0
7r=-\dfrac{7}{2}\\
r=-\dfrac{7}{2}\div7\\
r=-\dfrac{7}{2}\cdot\dfrac{1}{7}\\
r=-\dfrac{1}{2}
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Answer: The average is 70.

Step-by-step explanation:

145+160+115=420

420 divided by 6 =70

So the average is 70.

4 0
3 years ago
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The width is 7 and the diagonal is 25 what is the height
Korvikt [17]
The height is 24.

We can use Pythagorean’s Theorem: a^2+b^2=c^2

substituting values we get:

a^2+7^2=25^2

Solving we get:
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8 0
3 years ago
20. A shoe store owner had an employee record the shoe sizes purchased by customers during one hour on two different days. The
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Step-by-step explanation:

From the graphs shown in the attached file we can see that the maximum number of shoes bought were of size 9. On both days the number of size 9 shoes bought was 5 which was the highest number of shoes bought for any size shoe. Therefore since size 9 sell the most on both days the owner should stock most of size 9 shoes in the store's inventory.

3 0
3 years ago
PLEASE HELP ME!!
Step2247 [10]

Answer:

A = $10,441.68

A = P + I where

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I (interest) = $41.68

Step-by-step explanation:

First, convert R as a percent to r as a decimal

r = R/100

r = 0.02/100

r = 0.0002 rate per year,

Then solve the equation for A

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A = 10,400.00(1 + 0.0001)(40)

A = $10,441.68

Summary:

The total amount accrued, principal plus interest, with compound interest on a principal of $10,400.00 at a rate of 0.02% per year compounded 2 times per year over 20 years is $10,441.68.

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Komok [63]

Answer:

16. 1

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I'm sorry that I don't speak in Filipino but I can help fill in the blanks.

(In brackets is the English translation)

12 pulgada = 1 piye (12 inch is 1 foot)

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10 sentimetro = 1 desimetro (10 centimeters is 1 decimeter)

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10 millimetro = 1 sentimetro (10 millimeters is 1 centimeter)

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3 years ago
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