3 years ago

What would be 12.6 - 4.9 as an estimate?

2 answers:

8 0

The exact answer is 7.7 but an estimates answer would either be to round to numbers easy to use or whole numbers, so 12.5-5=7.5 or 13-5=8

-Dominant- [34]3 years ago

6 0

I would say 8.0 Because if you do 12.6-4.9 you get 7.7 ...hope that helped

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Which expression has the same value as the expression 8x^2 + 2x - 6) - (5x^2 - 3x + 2)?

soldi70 [24.7K]

Answer D
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6 0

3 years ago

Given ΔABC with A(–4, –2), B(4, 4), and C(18, –8), write the equation for the line containing median segment The term is line se

Monica [59]

Here we want to find the equation of the line containing the median CP.

P, being the midpoint of AB can be found using the midpoint formula as:

$\displaystyle{ P=( \frac{-4+4}{2} , \frac{-2+4}{2} )=(0, 1)$ .

The slope m of the line through CP can be found by the slope formula using points C(18, -8) and P(0, 1):

$\displaystyle{ m= \frac{y_2-y_1}{x_2-x_1}= \frac{-8-1}{18-0}= \frac{-9}{18}= \frac{-1}{2}$ .

Now, we can write the equation of the line with slope -1/2, passing through
P(0, 1):

$y-1= \frac{-1}{2}(x-0)\\\\y= -\frac{1}{2}x+1$ .

Answer: $y=-\frac{1}{2}x+1$