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telo118 [61]
3 years ago
11

1. Use substitution to solve the system of equations.

Mathematics
1 answer:
nika2105 [10]3 years ago
8 0
Answer for 1 is -4,5 and for 2 is 0=0
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NEED ANSWER ASAP!!!!
lesya692 [45]

Answer:

1st option

Step-by-step explanation:

To find the difference of the given matrices, we just need to subtract the corresponding elements of the two matrices as shown below:

\left[\begin{array}{cc}-4&8\\3&12\end{array}\right] -\left[\begin{array}{cc}2&1\\-14&15\end{array}\right] \\\\ \\ =\left[\begin{array}{cc}-4-2&8-1\\3-(-14)&12-15\end{array}\right]\\\\ \\ =\left[\begin{array}{cc}-6&7\\17&-3\end{array}\right]

Thus, 1st option gives the correct answer

7 0
3 years ago
Read 2 more answers
There is a bag with only red marbles and blue marbles.
Genrish500 [490]

Answer:

49 red marbles

Step-by-step explanation:

We should first make 5/12 have a base of 84, so that'll be

(5*7)/(12*7)=35/84. So we have 35 blue marbles and all the rest are red, so 84-35=49

DUBS

Please consider giving me a brainliest! Thank you.

7 0
2 years ago
What is the lowest number 588 can be multiplied by so that the result is a squared number?
Keith_Richards [23]
The lowest number is  3.

3 x 588  =  1,764

1,764  =  (42) squared

I don't know an easy way to do it.  I just slogged through it one-by-one ...
I tried  2 , then I tried  3  and I didn't have to go any farther.
You could have done the same thing.  The difference between us is that
I'm willing to work on it just for fun, whereas you're not willing to work on it
even for homework.  That's why I became good in math and you might not.
8 0
3 years ago
Arturo has a net spendable income of $1,700 per month. What is the maximum amount of money that he should budget for housing? Ro
Mrrafil [7]
Hello! I believe that 630 would be the most appropriate answer! I hope I helped!
7 0
3 years ago
Which statements are true?
lyudmila [28]

Answer:

the true statement is

All parallelograms are quadrilaterals

Step-by-step explanation:

5 0
2 years ago
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