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miv72 [106K]
2 years ago
13

Subtract the linear expressions. (-3+4x-9x)-(9-11x+7) Answer: PLZ HELP PLZ!!!

Mathematics
1 answer:
vovangra [49]2 years ago
8 0

Answer:

6x - 19

Step-by-step explanation:

(-3 + 4x - 9x) - (9 - 11x + 7)

first combine like terms

(-3 - 5x) - ( 16 - 11x)

because the negative is on the outside of the equation it gets distributed inside

-3 - 5x - 16 + 11x

and then solve

6x - 19

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the oval track below is formed by a straight section on each side and a semicircle at each end. what is the approximate distance
nikklg [1K]

Answer:

1040

Step-by-step explanation:

Circumference of the Circle: 439.82

Add that to the length of the rectangle time two: 439.82+(300x2)

That will give you the perimeter around the entire track:

439.82+(300x2)

439.82+600

1039.82

Rounded that is: 1040

<em>Hope this Helps :)</em>

4 0
2 years ago
Read 2 more answers
I have a stamp collection. 70% of my stamps are Canadian and 30% are international. I have 500 more Canadian stamps than interna
shutvik [7]

Answer: N= 375, C= 875

Step-by-step explanation:  Let Canadian stamps=C

Let International stamps=N

C=875     and        N=375

 

C - 500=N,  .70(N + C) =C

Solve the following system:

{C-500 = N |     (equation 1)

0.7 (C+N) = C |     (equation 2)

Express the system in standard form:

{-N+C = 500 |     (equation 1)

0.7 N-0.3 C = 0 |     (equation 2)

Add 0.7 × (equation 1) to equation 2:

{-N+C = 500 |     (equation 1)

0 N+0.4 C = 350 |     (equation 2)

Divide equation 2 by 0.4:

{-N+C = 500 |     (equation 1)

0. N+C = 875. |     (equation 2)

Subtract equation 2 from equation 1:

{-N+0 C = -375. |     (equation 1)

0 N+C = 875. |     (equation 2)

Multiply equation 1 by -1:

{N+0 C = 375. |     (equation 1)

0 N+C = 875. |     (equation 2)

Collect results:

Answer: |  N = 375        and             C=875

3 0
2 years ago
Solve 24x + 2y = 48 for x
drek231 [11]
Isolate x.
24x = 48 - 2y

Divide by 24.
x = 2 - y/12
3 0
2 years ago
Read 2 more answers
Please help I will reward point and hearts
Mashcka [7]
Fourths, then b. Sorry if late.
5 0
3 years ago
35 POINTS AVAILABLE
serious [3.7K]

Answer: Circle A, EF is a minor Arc, EAD = 45 degrees, Arc EF= 150 Degrees, and FCE = 210 I guess from the looks of the Picture.

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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