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Burka [1]
2 years ago
13

A cyclist travels 5 miles in 15 minutes. What is her average speed in mph?

Mathematics
1 answer:
Ber [7]2 years ago
6 0
S=d/t

15 minutes = 0.25 hour

S=5/0.25

S= 20 miles per hour
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At what point do the lines y= 2x + 3 and y = 5x - 9 intersect? ​
QveST [7]

Answer:

(4,11)

Step-by-step explanation:

y=2x+3

y=5x-9

the first equation is equal to the second equation so

2x+3=5x-9

put like terms together

2x-5x= -9-3

-3x= -12

divide both sides by -3

.•.x=4

now, use the value of x to find the value of y like this:

y=2x+3 (x=4)

y=2(4)+3

y=8+3

y=11

therefore, the two lines intersect at the point (4,11)

4 0
3 years ago
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Step-by-step explanation:

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prisoha [69]
Tax 24.19 total 312.19
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The answer is B

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