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Mkey [24]
2 years ago
13

Pls someone help i will put brainlyiss

Mathematics
1 answer:
brilliants [131]2 years ago
8 0

?

Step-by-step explanation:

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X-4y=28 2x+y=2 Elimination
makvit [3.9K]

\left\{\begin{array}{ccc}x-4y=28\\2x+y=2&\text{multiply both sides by 4}\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}x-4y=28\\8x+4y=8\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad9x=36\qquad\text{divide both sides by 9}\\.\qquad\boxed{x=4}\\\\\text{Put the value of x to the second equation:}\\\\2(4)+y=2\\8+y=2\qquad\text{subtract 8 from both sides}\\\boxed{y=-6}\\\\Answer:\ \boxed{x=4\ and\ y=-6\to(4,\ -6)}

3 0
3 years ago
Hi guys i don’t know what this really is but this is the equation 2x+2=7x+7 and it say = 90 at the end plz help
dolphi86 [110]

Answer

If it says = 90 at the end it means that's the answer.

4 0
3 years ago
I need help with both but if u only know one answer it fine but no links please
vovangra [49]

Answer:

1.20%

2.Negative association

Step-by-step explanation:

1. There are 4 movies that are dramas with love interest out of 20 movies.

\frac{4}{20}  = 0.2

or 20%.

2. In the scatter plot, as x increases, y decreases so that means we have a negative correlation.

5 0
3 years ago
Allen has 344 baseball cards he gave keyone 25 how many cards does Allen have left?
Ronch [10]
Hey there! Just subtract 25 from 344. The answer is 319.
4 0
3 years ago
How do you put the number 250 in<br>Standard form<br>​
olasank [31]

Answer:

I believe it would be 2.5x10^3

or two-hundred and fifty

Step-by-step explanation:

hope it helps and please correct me if I'm wrong

3 0
3 years ago
Read 2 more answers
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