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jeka94
2 years ago
11

SOLVE THE SYSTEM USING SUBSTITUTION HURRY ILL GIVE BRAINLIEST!!!!

Mathematics
1 answer:
viktelen [127]2 years ago
5 0
5)Substituting any of the following equations; i chose bottom into top:
-2x+5=x+2
=>-3x=-3
=>x=1
Sub the x in any of the eqs to find y so
Y=1+2
=>Y=3
ANS: (1,3)

6) substituting the top equation into the bottom one:
3x+2x+4=9
=>5x=13
=>x=13/5 or 2.6
Sub the x in any of the eqs to find the y so
Y=5.2+4
=>y=9.2
ANS: (2.6, 9.2)

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Is the expression below completely factored? If not, complete the factorization.
Ket [755]

Answer:

A) No, because the greatest common factor is 8y?, and the completely factored form is 8y2(4y2 - 6y + 3).

Step-by-step explanation:

Considering the expression

4y(8y3 – 12y2 + 6y)

From the elements in the parenthesis, 2 and y can still be factored out such that what will be left of each element

8y3/2y = 4y2

12y2/2y = 6y

6y/2y = 3

Hence

4y(8y3 – 12y2 + 6y) = 4y*2y(4y2 - 6y +3)

= 8y2(4y2 - 6y + 3)

6 0
3 years ago
What is the area of 18 1/3 if the height of the window is 3 1/3
marin [14]
You would find the answer by dividing 3 1/3 from 18 1/3.
55/3 / 10/3
(55/3)(3/10)=55/10=5 1/2 
Answer: 5 1/2
3 0
3 years ago
Please help !!! Thanks :)
Tpy6a [65]
Pair 2 is a reflection. If you rotated it it would be flipped, so that doesn’t make sense.
7 0
3 years ago
Read 2 more answers
Please help!! Thanks
Troyanec [42]
X=3

X/-3 = -1 ,Leave X by itself so multiply by -3 on both sides.

X = -1*-3

X = 3, negative times negative equals positive.
6 0
3 years ago
Read 2 more answers
A customer bought the following items for her children during a back-to-school sale 2 dresses at $31.50 each 1 purse at $10.98
Ludmilka [50]

Answer:

what is the question? this is a statement...

5 0
3 years ago
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