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nikkierubio2007
06.03.2021 •
Mathematics
Please help me get the right answer please I can’t fail.
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Ответ:
the answer is B. Also if you get test wrong,you can ask your teacher to redo them but for this question the answer is B
Ответ:
A.
Step-by-step explanation:
it’s A because it has addition (sum) and it has multiplication (product)
Ответ:
____________________________
d * r = t ;
_____________________________
in which:
_____________________________
d = distance = 84 ft.
r = rate = 12 ft / sec
t = time = ?
_______________________________
To find the "time" we can rearrange the equation:
_______________________________________
d = r * t ;
_______________________________________
Divide EACH SIDE of the equation by "r" ; to isolation "t" on one side of the equation; to create an expression to find the time for the given distance and rate; which we will then do by plugging in our given values for "d" (distance) and "r" (rate) ;
_______________________________________
d / r = (r * t) / r ;
_________________________
to get : d / r = t ;
_________________________
↔ t = d / r ;
_________________________
Now, plug in our given values for "d" and "r" ; to solve for "t" ;
______________________________________________________
→ t = 84 ft / (12 ft / sec) ;
= 84 ft ÷
= 84 ft *
= {
___________________________________________________
→ t = 7 sec. {that is; "7 seconds" }.
______________________________________________________