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faltersainse [42]
3 years ago
6

Solve system using elimination

Mathematics
1 answer:
jek_recluse [69]3 years ago
4 0
3x + 3y = 27
x - 3y = -11
----------------add
4x = 16
x = 16/4
x = 4

3x + 3y = 27
3(4) + 3y = 27
12 + 3y = 27
3y = 27 - 12
3y = 15
y = 15/3
y = 5

solution is (4,5)
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Evaluate bcl, given a = 5, b=-3, and c= -2.
KATRIN_1 [288]

Answer:

bcl is the same as b•c•l

therefore, -3•-2•5

=30

5 0
3 years ago
What is the answer for -7 x 7 please say the explanation too.
prisoha [69]

-7 x 7 = -49

We can first figure out 7 x 7, which will be 49. Once we have that, we can look at our negatives. If we have an odd number of negative signs, the answer will be negative. If we have an even number of negative signs, the answer will be positive. In this case, we only have 1 negative sign, and 1 is odd, therefore our answer will be odd.

ANSWER: -49

Hope this helps!

7 0
3 years ago
Read 2 more answers
HELPPP ANSWER THIS AND OTHER QUESTIONS u will get brainliest
Setler [38]

Answer:

a?

Step-by-step explanation:

5 0
4 years ago
I need help with this
Anna11 [10]
Heyy!
Here’s ur answer, hope it helps-
Area of parallelogram= base*heigh
=15*20
=300
Therefore your answer is 300 square units-
:)
3 0
3 years ago
How to solve this question
cupoosta [38]
8.83176088663 is the answer
7 0
3 years ago
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