Marlon runs on a driveway which is 1/12 of a mile long. How many times does Marlon run the length of the driveway to complete his daily goal of 1 1/2 miles? A) 18
B) 12
C) 1 7/12
D) 1 1/24

We wish to know how much faster Grant rows than Arianna.

d=G-A  and we want our answer is miles/hour so

d=(6mi/36min)(60min/hr)-(3520yd/20min)(mi/1760yd)(60min/hr)

d=10mph-6mph

d=4mph

So Grant rows 4 miles per hour faster than Arianna.

jd3sp4o0y and 4 more users found this answer helpful

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THANKYOU SO MUCH

irspow avatar

Yeah, a lot of people have a little trouble with conversion problems, but they are very simply once you grasp the idea of using unit labels. You set up multiplications of ratios so that you cancel units that you do not want and introduce those that you do...units cancel just like numbers :P

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Step-by-step explanation:

let's cover over the formula of the vertex:

y = a(x – h)^2 + k

in this formula, (h,k) are the vertex, always remember that the positive or negative value of the vertex is based on the sign it has.

for example, if the vertex is -3,-6 then both the x and y value would have the positive sign attached to it and if it were a positive x and y value, then a negative sign would be attached to it.

with that being said, for our problem the x value is a positive one so we are looking for a number with a negative sign next to it, in this case the first and second choice.

however, for the first answer choice it isn't quite part of the formula so we know that the answer choice correctly displays the x value.

to confirm, we can see if the -1 fits correctly with the second answer choice, and as mentioned above a negative number will have a positive sign attached to it. so, for our problem we can see that -1 has been changed to +1, so we can confirm that the second answer choice is correct.

hence, our final answer is y=(x - 1)^2 + 1

answer: im gonna go with milli

step-by-step explanation: