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Solnce55 [7]
3 years ago
9

What is y=2x+4 and 3x+y=9 substitution method

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
8 0
You plug in 2x + 4 into the y for the other equation (3x +y ) and solve for it
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PLEASE HELP ITS AN EMERGENCY!!
Veseljchak [2.6K]

Answer:

m∠B=m∠R

Step-by-step explanation:

If you make the triangles congruent, you'll see many things like:

∠A=∠P

∠B=∠R

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Line AB=Line RP

Line BC=Line RS

Line CA=Line SP

Out of the options, only m∠B=m∠R is true.

8 0
3 years ago
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A hot air balloon descended 99.6 meters in 12 seconds. What was the balloon's average rate of descent in meters per second?
bagirrra123 [75]
99.6 divided by 12 is 8.3 so the answer is 8.3
5 0
3 years ago
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Solve the quation.
jenyasd209 [6]

x + 7/8 = 4

subtract 7/8 from each side

x = 4 - 7/8

borrow from the 4

x =3 8/8 - 7/8

x = 3 1/8

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4 0
3 years ago
Write the following quadratic in vertex form X^2-10x+7
grin007 [14]
Hello,

y=x²-10x+7=x²-2*5x+25-25+7=(x-5)²-18
================================
5 0
3 years ago
The value of k is: <br><br> please help im struggling
iVinArrow [24]

Answer:

  • E) 48

Step-by-step explanation:

<em>Parallel lines divide the transversals proportionally.</em>

Set proportions and solve for k:

  • k/24 = 64/32
  • k/24 = 2
  • k = 24*2
  • k = 48

Correct choice is E.

4 0
2 years ago
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