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3 years ago

How is 56 divided by 8 = 7

Mathematics

2 answers:

8_murik_8 [283]3 years ago

6 0

My say is that 8*7=56 so it would there for be the answer

puteri [66]3 years ago

5 0

So if you have 56 apples, and you separate them into 8 different groups, each group would have 7 apples. If you still don't understand, try taking 56 random items and separate them evenly into 8 groups. Seeing a visual is really helpful if you don't understand. Hope this helps!

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Step-by-step explanation:

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Step-by-step explanation:

Given

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$t^2+19t+60=0\\\\\Rightarrow t=\dfrac{-19\pm\sqrt{19^2-4\times 1\times 60}}{2\times 1}\\\\\Rightarrow t=\dfrac{-19\pm \sqrt{121}}{2}\\\\\Rightarrow t=\dfrac{-19\pm 11}{2}\\\\\Rightarrow t=-4,-15$

Using completing the square method

$y=t^2+2\times \dfrac{19}{2}t+\dfrac{19^2}{2^2}-\dfrac{19^2}{2^2}+60\\\\y=\left(t+\dfrac{19}{2}\right)^2+60-\dfrac{361}{4}\\\\y=\left(t+\dfrac{19}{2}\right)^2-\dfrac{121}{4}\\\\y+\dfrac{121}{4}=\left(t+\dfrac{19}{2}\right)^2\\\\\left(y-(-\dfrac{121}{4}\right)=\left(t-(-\dfrac{19}{2})\right)^2\\\\\text{The vertex is }\left(-\dfrac{19}{2},-\dfrac{121}{4}\right)$

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What is the equation of the line that passes through the point (2, -2) and has a slope of -1/2?

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Answer:

Step-by-step explanation:

use the point-slope formula [y-y1 =m(x-x1) ] with the given info

for the point P=(x1,y1) =(2,-2) and the slople m = -1/2

plug those into the formula

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y = -1/2x - 1

:) got it?

these are hard untill you get the idea of the two formulas

point-slope: y-y1 = m(x-x1) and

slope-intercept: y= mx+b

memorizing those will help a lot

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