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alex41 [277]
3 years ago
14

Please answer 4 ( will give brainlst )

Mathematics
1 answer:
EleoNora [17]3 years ago
7 0

Answer:

ITS C

Step-by-step explanation

DONT KNOW HOW TO EXPLAIN

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Please, I need help with my homework. I not asking anybody to do it, but I need help for it.
jenyasd209 [6]

Answer:

1) x = -2

Step-by-step explanation:

1) x + 7 + x + 11 = 14

 2x + 18 = 14

        2x = 14 - 18

     2x =  -4

       x = -4/2 = -2

4 0
3 years ago
If the simple interest rate is 5%p.a. , how long does it take for the amount to become twice the principal
solong [7]
A = P + I
2a = a + PTR/100
2a = a + 5aT/100
2a = a(1+T/20)
2=1+T/20
T=20 yrs

3 0
3 years ago
Which of the following is equivalent to <br><br> 3x−4y=18?
sammy [17]

The equation which is equivalent to the equation as given in the task content is; 6x -8y = 36.

<h3>Which equation is equivalent to the equation as given in the task content?</h3>

According to the task content, it follows that the equation which is given in the task content is;

3x -4y = 18.

Hence, upon multiplication of the whole equation by 2; the resulting equation from the multiplication is;

6x -8y = 36

Ultimately, the equivalent equation is; 6x -8y = 36.

Read more on equivalent equations;

brainly.com/question/26437692

#SPJ1

8 0
1 year ago
Find the slope for each of the order pair. (-2,-1) and (8,-3)
kondaur [170]

Answer:

-0.2

Step-by-step explanation:

Slope (m) =ΔY/ΔX= 8-(-2)/-3-(-1)

= -1/5

= -0.2

4 0
2 years ago
4 corners again<br> -9a + 3b - a + 7b - 13 + a - 10<br> Sorry for the questions pls help
eimsori [14]

Answer:−9a+10b−23

Step-by-step explanation:−9a+3b−a+7b−13+a−10

Combine −9a and −a to get −10a.

−10a+3b+7b−13+a−10

Combine 3b and 7b to get 10b.

−10a+10b−13+a−10

Combine −10a and a to get −9a.

−9a+10b−13−10

Subtract 10 from −13 to get −23.

−9a+10b−23

8 0
2 years ago
Read 2 more answers
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