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frez [133]
3 years ago
14

wyatt hiked 6 miles in 2 hours. at this same rate, what is the total number of miles wyatt could hike in 9 hours?

Mathematics
2 answers:
hammer [34]3 years ago
8 0
27 miles in 9 hours
work:

9 divided 2 = 4.5
6 times 4.5 = 27 miles
kramer3 years ago
3 0
The answer to this question is Wyatt could walk 27 miles in 9 hours.
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Step-by-step explanation:

Given <u>system of equations</u>:

\begin{cases}4x-2y=7\\3x-3y=15 \end{cases}

To solve the given system of equations by addition, make one of the variables in both equations <u>sum to zero</u>.  To do this, the chosen variable must have the <u>same coefficient</u>, but it should be <u>negative</u> in one equation and <u>positive</u> in the other, so that when the two equations are added together, the variable is <u>eliminated</u>.

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Add the two equations together to <u>eliminate y</u>:

\begin{array}{l r r}& -12x+6y= &-21\\+ & 6x-6y= & 30\\\cline{1-3}& -6x\phantom{))))))} = & 9\end{array}

<u>Solve</u> for x:

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<u>Substitute</u> the found value of x into one of the equations and <u>solve for y</u>:

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\implies y=-\dfrac{13}{2}

Learn more about systems of equations here:

brainly.com/question/27868564

brainly.com/question/27520807

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