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Grace [21]
3 years ago
12

The ratio of the number of boys campers to the number of girl campers was 8:7. if there were a total of 195 campers, how many bo

y camers? how many girl campers?
Mathematics
1 answer:
cestrela7 [59]3 years ago
6 0
Imagine for a group of 15 (8 boys and 7 girls), you will have 8 girls. So the ratio of girls to total campers is 8/15
Because we have 195 campers, we have 8/15 = x/195
solve for x
x= 104 girls
and we have 195 - 104 = 90 boys
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What’s the system of y=x-4 and y=4x-10?
Natasha_Volkova [10]

Answer:

That is the system.

y = x - 4

y = 4x - 10

If you are looking for the solution then use the method of substitution or the method of elimination.

4 0
3 years ago
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What is 9 copies of 3.65
Nataly_w [17]
I believe that you are doing multiplication with this.

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Hope this helps. :)
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4 years ago
The amount of a person’s paycheck p varies directly with the number of hours worked t . For 10 hours of work, the paycheck is $5
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P = 5.75t
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3 years ago
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Write the series 1-0.5-2+ ... for 12 terms using summation notation
lions [1.4K]

Answer:

The series

            1 -0.5-2-3.5 -5-6.5-8-9.5-11-12.5-14-15.5 upto 12 terms

Step-by-step explanation:

<u><em>Step(i)</em></u>:-

Given series  1 -0.5 -2 +.........

we know that the sum of the sequence is called a series

The sequence is 1, -0.5, -2, -3.5,.....is in AP

a = 1 and the difference between the two terms is equal 'd' = -1.5

<u><em>Step(ii):-</em></u>

<u><em>adding 1.5 value of each term</em></u>

The series

            1 -0.5-2-3.5 -5-6.5-8-9.5-11-12.5-14-15.5 upto 12 terms

<u><em></em></u>

5 0
3 years ago
Michelle found the area of a circle as 78.5 . She used 3.14 for π. What is the radius of the circle? Explain how you found your
NikAS [45]

Answer:

5 units

Step-by-step explanation:

Given:-

- The area of the circle was computed to be A = 78.5

- The value of π is estimated to be = 3.14

Find:-

What is the radius of the circle?

Solution:-

- The area of a circle (A) with radius ( r ) is computed by the following formula:

                            A = π*r^2

- Divide the equation by π :

                            r^2 = ( A / π )

- Take the square root of the entire equation:

                            r = √ ( A / π )

- Substitute the given values:

                           r = √ ( 78.5 / 3.14 )

- Resolve the fraction:

                          r = √25

- The perfect square root of 25

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Answer: The radius of the circle is r = 5 units

                         

3 0
3 years ago
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