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Dima020 [189]
3 years ago
13

Solving systems of equations by substitution y= x - 8 y = -4

Mathematics
1 answer:
leva [86]3 years ago
4 0
It should be x=-4 and y= -12
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Please help very appreciated
Roman55 [17]

answer:

47.1mm, 21cm, 0.35m, 423mm.

explanation:

convert all to mm:

21cm = 210mm

0.35m = 350mm

7 0
3 years ago
Match each expression with the equivalent expression.
Mars2501 [29]

Answer: distributing

2(6x + 6) <em>is</em> 12x + 12

16x - 8 <em>is</em> 8(2x - 1)

3(x - 2) <em>is</em> 3x - 6

3(4x + 4) <em>is</em> 12x + 12

2x + 6 <em>is</em> 2(x + 3)

4(x + 3)<em> is</em> 12x + 12

Step-by-step explanation:

Distribute the number in front of the parenthesis to the numbers inside the parenthesis .

for example: 3(x-2)

3 times x = 3x

3 times -2= -6

answer: 3x - 6

5 0
3 years ago
Read 2 more answers
Which statement about the ordered pairs (2, −9)and (3, −6) is true for the equation 5x-y/3=13
taurus [48]
Its neither of the equations. I'm doing the same test. Next time post the answer options
5 0
3 years ago
Please help me answer this!
soldier1979 [14.2K]

Answer: 2

Step-by-step explanation: Since the y value is 2 when the x value is zero, the initial value is 2.

6 0
3 years ago
Please help <br><br> Ill mark brainliest
myrzilka [38]

Answer:

29 because if angle v is congruent to y=29 due to vertical. angles thm. then u is congruent to angle v by opposite interior angles post. thingy

4 0
3 years ago
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