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sp2606 [1]
2 years ago
12

Roscoe rides his bike atleast 10 miles but no more than 30 miles. He rides at an average rate of 10.5 miles per hour. The amount

of time it takes for roscoe to ride his bike m miles is represented by the function.
t(m)=m/10.5
What is the practical domain of the function?
A. All real numbers from 10 to 30, inclusive.
B. All multiples of 10 between 10 and 30, inclusive.
C. All real numbers.
D. All integers from 10 to 30, inclusive.
Mathematics
2 answers:
dusya [7]2 years ago
7 0
The domain, or the distance traveled, is all real numbers from 10 to 30, inclusive. the answer is A
seropon [69]2 years ago
7 0
I think the answer is D.
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Step-by-step explanation:

To expand, we use the FOIL method. You do this by multiplying each number inside the parenthesis by the other numbers in the other set of the parenthesis. For example, on this problem, you would multiply 5x by 2x, and then 5x by -3.

Step by step, you would:

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In an equation, it would expand to 10x^2-15x+4x-6

To simplify, you add like terms (constants and those with the same variable). In this case, you would add together all the terms ending in x.

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