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3 0

2 years ago

Add -13/4+2/5 using the number line. select the location on the number line to plot the sum

Ivahew [28]

The answer is if you convert. we cant see the number line so, we cant tell you the second part of the problem.. attach the image please.

ok so convert.. -13/4 becomes -65/20 and 2/5 becomes 8/20, so add that and get -57/20, then simplify how you want to. thats your answer

4 0

3 years ago

Find the x-intercepts for the parabola defined by the equation below. y = 3x2 + 18x + 15

Readme [11.4K]

Using quadratic formula
x = [-18 +-sq root (324 -4 *3*15)] / 2*3
x = [-18 +-sq root (144)]/6
x1 = (-18 + 12) / 6 = -1
x2 = (-18 -12) / 6 = -30/6 = -5

4 0

3 years ago