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lara31 [8.8K]
3 years ago
15

GIVING 20 POINTS I NEED IT ASAP

Mathematics
1 answer:
Elza [17]3 years ago
4 0

Answer:

AC= 5x - 3

Step-by-step explanation:

Segments Addition:

AB + BC = AC

(2x+12) + 3x-15 = AC

5x - 3 =AC

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6x-2=7x+9 find x plz help
steposvetlana [31]

Answer:

x=-11

Step-by-step explanation:

6x-2=7x+9

Add 2 to both sides:

6x-2+2=7x+9+2

6x=7x+11

Subtract 7x from both sides:

6x-7x=7x+11-7x

-x=11

Divide both sides by -1:

\frac{-x}{-1}=\frac{11}{-1}

x=-11

7 0
3 years ago
Read 2 more answers
The cost of producing x units of a product is C dollars, where C is given by the function C = 0.25x2 - 80x + 30000. (See the gra
Nat2105 [25]
From calculus, to determine the maxima or minima of the graph, get the derivative of the equation and equate to zero. So, we derive first the equation of the graph and equate to zero.

C = 0.25x² - 80x + 30000
dC/dx = 0 = 0.5x - 80 + 0
0.5x = 80
x = 80/0.5
x = 160 units

The minimum cost (although not asked) is:

C = 0.25(160)² - 80(160) + 30000
C = $23,600

The answer is 160 units.
4 0
4 years ago
Simplify the expression by combining like terms<br>4r+3c-2r+9c​
Novay_Z [31]

Answer:

2r+12c

Step-by-step explanation:

5 0
3 years ago
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Write in simplest form:<br> 0.875 : 1/4
Dimas [21]

Answer:

7/8:1/4

Step-by-step explanation:

0.875 is equal to 7/8 and you can’t simplify 7/8 or 1/4 any more so the simplified answer is 7/8 : 1/4

7 0
3 years ago
Read 2 more answers
If f(x) = 14<br> then what does f(-3) equal?
Elanso [62]

Answer:

27 I do believe so sorry if im wrong

Step-by-step explanation:

8 0
2 years ago
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