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Bas_tet [7]
2 years ago
8

Select the correct ratios.

Mathematics
1 answer:
Goshia [24]2 years ago
4 0
65:100 because there are 65 girls and then 65 girls + 35 boys = 100 total students
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You can walk 3 miles per hour, jog 5 miles per hour, or run 10 miles per hour. You go a full hour before changing pace. At the e
Studentka2010 [4]

Answer:

b. How many ways arc there to go 12 miles?

≡ p(12) = 25

c. How many ways arc there to go 20 miles?

≡ p(20) = 131

d. How many ways arc there to go 22 miles?

≡p(22)  199

Step-by-step explanation:

a) supposed you walked for the first hour. Then you would have travelled 3 miles. if you jogged you would have covered 5miles and if you run you would have covered 10miles. now you have to decide how to run the rest miles from the n miles.

Thus, the number of ways one can cover n miles will be given by the recurrence relation

p(n) = p( n-3) + p( n-5) + p( n - 10)

now to solve the rest of the question, let us make a table which provides the number of ways for n = 1  to 22.

check the attachment for the table

b. How many ways arc there to go 12 miles?

≡ p(12) = 25

c. How many ways arc there to go 20 miles?

≡ p(20) = 131

d. How many ways arc there to go 22 miles?

≡p(22)  199

8 0
3 years ago
**WILL GIVE BRAINLIEST** MUST SHOW WORK!
Degger [83]
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Given the following prices and unit conversions, rank the brands from lowest to highest unit price.
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A: 2.5 pounds= 2.5
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what is the value of y in the solution to the following system of equations? (5 points) 2x y = −4 5x 3y = −6
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2x+y=-4
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multiply first equaton by -5 and second by 2 then add them

-10x-5y=20
<u>10x+6y=-12 +</u>
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y=8

the y value is 8
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3y^4+9y^3-120y^2=0 Need Answer ASAP
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Answer:

y  =  0 ,  5 ,  − 8

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