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Natalija [7]
3 years ago
5

Two lines, a and b, are represented by the equations given below:

Mathematics
2 answers:
ElenaW [278]3 years ago
8 0

An system of equations is only true if it satisfies both equations

<h2>c) (-4, -8), because the point satisfies both equations  </h2>
grigory [225]3 years ago
4 0

Answer:

no c is not the answer it is D

Step-by-step explanation:

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Jen solved the equation to determine the number of questions, x, she answered incorrectly on a test. She began by subtracting 10
fgiga [73]
Answer is Correct. She could have also subtracted 100 from both sides, then divided by .
8 0
3 years ago
Read 2 more answers
A student has a class with four tests, each worth 100 points, and has earned these
Wewaii [24]

Answer:

average = 52, 100 on fourth test

Step-by-step explanation:

average = 75 + 74 + 71 =  156 / 3 = 52

average = 52

b grade = 75 + 74 + 71 + 100 = 320 / 4 = 80

to get a b grade she must get 100 on her fourth test

4 0
3 years ago
Calcule:<br> a)-400-(-700)=
Juliette [100K]

-400-(-700)

-140+700

= 300


I hope that's help ! If you have question(s) please let me know



8 0
3 years ago
1. Simplify. 4(2a - 1) - 4 + 7a ​
daser333 [38]

Answer:

<em><u>=15a−8</u></em>

Step-by-step explanation:

Let's simplify step-by-step.

4(2a−1)−4+7a

Distribute:

=(4)(2a)+(4)(−1)+−4+7a

=8a+−4+−4+7a

Combine Like Terms:

=8a+−4+−4+7a

=(8a+7a)+(−4+−4)

=15a+−8

Answer:

=15a−8

hope i helped

-lvr

4 0
3 years ago
Assistance pleaseeees?!!
Elina [12.6K]

Answer:

Step-by-step explanation:

4 0
3 years ago
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