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Lina20 [59]
3 years ago
13

Solve the system of equations.

Mathematics
1 answer:
expeople1 [14]3 years ago
8 0

Answer:(-5,-6)

Step-by-step explanation:

Solve for one variable then solve for the other. Don’t worry you will get a big fraction before you get to the whole number.

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Quadrilateral EFGH with diagonals EG and HF must be a parallelogram if (1) EF FG  and GH HE  (2) EG FH  (3) EG FH  (4) EF HG
qwelly [4]

Answer:

EF = HG and EF || HG

Step-by-step explanation:

A quadrilateral is a polygon shape with four sides and four angles.

A parallelogram is a quadrilateral with two pairs of parallel sides. The following are properties of a parallelogram:

  1. Opposite sides are equal and parallel.
  2. Opposite angles are equal to each other.
  3. Consecutive angles are supplementary
  4. The diagonals of a parallelogram bisect each other.

If Quadrilateral EFGH with diagonals EG and HF is a parallelogram then EF = HG and EF || HG

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3 years ago
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What is 81/90 in simplest form?
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7 0
4 years ago
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PIT_PIT [208]

Answer:

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Step-by-step explanation:

6 0
4 years ago
Ted can mow the lawn in 5 minutes by using his power mower. Galen takes 15 minutes to mow the same lawn using a push-type mower.
EastWind [94]
    We need to calculate a TIME.  Here, TIME = job / rate

Here, 

             1 JOB                                      1                 1
------------------------------------- = ------------------ = ---------------
   JOB/5 min + JOB/15 min           1/5 + 1/15     3/15+1/15
           1
= ------------ minutes = 15/4 minutes = 3 3/4 minutes (answer)
          4/15
6 0
3 years ago
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