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user100 [1]
3 years ago
10

Which equation shows the result of substituting y from the first equation into the second equation for the given system? Y=x+5;

y-2x=2 A.(5-x)-2x=2 B.(x+5)-2x=2 C.(x+5+2x=2 D.(x+5)-2x=0
Mathematics
2 answers:
algol [13]3 years ago
8 0
The answer is b.(x+5)-2x=2
Alika [10]3 years ago
7 0

For E2020 Kids the answer is B. I hope this helps  you guys who are using E2020. Have a great day

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Solve this equation. 5n+7=7(n+1)-2n
9966 [12]
Distribute 7 to both n and 1

7(n + 1) = 7n + 7

5n + 7 = 7n + 7 - 2n

Combine like terms

5n + 7 = 7n - 2n + 7

5n + 7 = 5n + 7

If you want to solve for n, subtract 7 from both sides

5n + 7 (-7) = 5n + 7 (-7)

5n = 5n

then divide 5 from both sides

5n/5 = 5n/5

n = n

Effectively, this equation is <em>unsolvable</em>

hope this helps
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3 years ago
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7 0
3 years ago
A number divided by 40 has a quotient of 6 a remainder of 16. Find the number.
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40 x 6 + 16 =
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Hope I helped.
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3 years ago
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Find the probability that a randomly
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3 0
3 years ago
I'm pretty sure they're congruent according to the sas postulate but could someone make sure?? thx &lt;3
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Answer:

The triangles aren't necessarily congruent. SAS postulate is side angle side, which means that the angle that is congruent must be between the two sides that are congruent. DF is congruent to MN, and DG is congruent to MP. This means, that angle D must be congruent to angle M.

However, we only know that D is congruent to P, not M.

These triangles are not necessarily congruent.

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