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ZanzabumX [31]
2 years ago
12

Pauline rides his bike to school in 6 2/5 minutes. If it takes Dylan 4 1/2 times as long to get to school, how long would it tak

e Dylan to get to school
Mathematics
2 answers:
zvonat [6]2 years ago
5 0

6 and 2/5 times 4 and 1/2 = 28.8 or 28 and 4/5 minutes

Debora [2.8K]2 years ago
3 0
It should take Dylan 28.8 minutes to get to school. Change the number into decimals and multiply them. You end up with 28.8.
I’m not 100% if this is correct but I hope this helps in some way!
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2 years ago
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Makovka662 [10]

Answer:  The two roots are x = 3/2 and x = -2

=========================================================

Explanation:

You have the right idea so far. But the two numbers should be 3 and -4 since

  • 3*(-4) = -12
  • 3+(-4) = -1

The -1 being the coefficient of the x term.

This means you need to change the -3x and 4x to 3x and -4x respectively. The other inner boxes are correct.

---------

Refer to the diagram below to see one way to fill out the box method, and that helps determine the factorization.

If we place a 2x to the left of -2x^2, then we need an -x up top because 2x*(-x) = -2x^2

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So we have the factor -x-2 along the top

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We have the factor 2x-3 along the left side.

---------

The two factors are (2x-3) and (-x-2) which leads to the factorization (x+3)(-x+2)

The last thing to do is set each factor equal to 0 and solve for x

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The two roots are x = 3/2 and x = -2

8 0
3 years ago
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