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Ber [7]
3 years ago
10

Solve the system of equations by the substitution method

Mathematics
1 answer:
Studentka2010 [4]3 years ago
6 0

Answer:

  • 3y-4x=13
  • 3×4-4x=13
  • 12-4x=13
  • 12-13=4x
  • -1=4x
  • -1/4=x
  • ☆x=-1/4and
  • I am not sure about it but I think there should be y=3+x in the question
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Tim and his brother are building towers out of blocks. Tim is using blue blocks that are 6 cm tall and his brother is using gree
Ber [7]

Answer:

The shortest they could have made it is 24cm. Tim used four blue blocks (6x4=24) and his brother used 3 green blocks (8x3=24)

8 0
3 years ago
Solve for all missing measures
mylen [45]

Answer:

Step-by-step explanation:

Begin

If this is a rhombus then <8 = 90 degrees as do all the central angles. That's because the diagonals intersect at right angles.

<4 = 38                   z formation for parallel lines.

<7 = 52                   The angles are part of a right angle triangle. <7 +38 = 90

<2 = 52                   z formation of parallel lines (a rhombus has ll lines).

<3 = 38                   The diagonals of a rhombus bisect each other.

<5 = 38                   z formation for parallel lines.

<6 = 52                   The diagonals of a rhombus are angle bisectors.

<1 = 52                     The diagonals of a rhombus are angle bisectors.

3 0
3 years ago
I really dislike trigonometry, here's another question
alex41 [277]
It’s a little blurry but i can help
5 0
3 years ago
William's car used 2 gallons to travel 68 miles. How far can he travel on 9 gallons?
crimeas [40]

Answer:

306 miles

Step-by-step explanation:

68 divided by 2 is 34

34 times 9 equals

7 0
3 years ago
Need help for both questions! Please explain your work for both
bixtya [17]

Answer:

2:2255 3:43

Step-by-step explanation:

Use the measurements to determine the other numbers

3 0
2 years ago
Read 2 more answers
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