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Bond [772]
4 years ago
13

Derek estimated the cost of his grocery bill to be $75, but it actually cost $110. Find the percent error rounded to the nearest

whole percent.
Mathematics
1 answer:
zhannawk [14.2K]4 years ago
5 0

 The absolute change in price was $12−$8=$4.  Relative to the original price, it was 412, which is 0.3333 or 33.33%.

The answer was 1,150.0 but as a whole number its 1,150.

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The answer is 430 :)
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8 pounds 10 ounces of candy from a candy shop split equally among 3 classes how much should each classroom receive
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3 years ago
Find the equation of the line (-4,-7) and (12,1)
ryzh [129]

Answer:

y = 1/2x -5  slope intercept form

y-1 = 1/2(x-12)  point slope form

Step-by-step explanation:

We can find the slope of this line by using

m = (y2-y1/(x2-x1)

  = (1--7)/ (12 --4)

 = (1+7)/(12+4)

 = 8/16

  = 1/2

We know the slope and a point, so we can use point slope form

y-y1 = m(x-x1)

y-1 = 1/2(x-12)

y-1 = 1/2 x -6

Add 1 to each side

y-1+1 = 1/2x -6+1

y = 1/2x -5

This is in slope intercept form

4 0
3 years ago
Read 2 more answers
G(n)=-n^3+3n^2, find g(-4)
Sauron [17]

Answer:

g(-4) = 112

Step-by-step explanation:

Hi there!

g(n)=-n^3+3n^2

To find g(-4), replace all n's with -4:

g(-4)=-(-4)^3+3(-4)^2\\g(-4)=-(-64)+3(16)\\g(-4)=64+48\\g(-4)=112

I hope this helps!

5 0
3 years ago
I need help with 1 &amp; 3.. thanks
AlekseyPX

Answer:

y/x = (a + b) / (m + n)

Step-by-step explanation:

-(xb − ym) = -yn + xa

Distribute:

-xb + ym = -yn + xa

Combine like terms:

ym + yn = xa + xb

Factor:

y (m + n) = x (a + b)

Rearrange:

y/x = (a + b) / (m + n)

8 0
3 years ago
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