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Ber [7]
3 years ago
7

Simplify 8c- 4d + 8d +9c - 18c

Mathematics
2 answers:
neonofarm [45]3 years ago
4 0

-c +4d

Step-by-step explanation:

8c - 4d + 8d + 9c - 18c

Group like terms and simplify

8c + 9c - 18c - 4d + 8d \\  - c + 4d

deff fn [24]3 years ago
4 0

Answer:

collect like terms

8 c - 18 c+9c + 8d - 4d

17 c - 18 c + 4d

-1 c + 4d which is similar to 4d - 1c

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N-(-7)= 12 how do you rewrite
DiKsa [7]

Answer:

N + 7 = 12

Step-by-step explanation:

When you have a number minus a negative number, it's the same as addition.

4 0
2 years ago
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You need to buy 5 notebooks for your classes at school.Each notebook costs $2.79. What is the total cost before tax?
lesya692 [45]

Answer:

$13.95

Step-by-step explanation:

You need to multiply the 5 notebooks with the costs of each notebook, which gives you the total costs before tax.

7 0
3 years ago
PLEASE HELPPP I WILL MARK BRAINLIEST
alexira [117]

Answer:

8,13,18

Step-by-step explanation:

n=1

8+5(0)=8

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3 years ago
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Scientists measured the annual forest loss (in square kilometers) in Indonesia from 2000–2012. They found the regression line
sergeinik [125]

Answer:

The slope of this line is 1021.

Step-by-step explanation:

A regression line has the following format:

y = b + ax

In which a is the slope, that is, how much y changes with a variation of a single unit in x.

In this problem, our line is:

forest loss=7500+1021x

In which x is the number of years after 2000.

So the slope of this line is 1021.

7 0
3 years ago
Which is an equation in point-slope from for the given point and slope point (-2,4)slope:5
maks197457 [2]
<span><span>If we have a point, (x1;y1)<span> and a slope, </span>m, here's the formula we </span><span>use to find the equation of a line: y - y1 =m( x - x1); where x1 = -2 ; y1 = 4 ; m = 5.
Then, y-4 = 5(x+2);
Finally, y-4 = 5x + 10 / +4
y = 5x + 14 ;


</span></span>
4 0
3 years ago
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