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rewona [7]
3 years ago
5

Use the elimination method to solve the system of equations. Choose the correct ordered pair. 2y = x + 2 x - 3y= -5 O A. (2, 2)

O B. (4,3) O C. (6,4) O D. (8,5)​
Mathematics
1 answer:
Darya [45]3 years ago
8 0

Answer:

(4,3)

Step-by-step explanation:

2y = x + 2

x - 3y = -5

Rearrange the second equation to equal y.

x - 3y = -5

x + 5 = 3y

(x+5)/3 = y

Substitute into the first equation.

2y = x +2

2[(x+5)/3] = x + 2

(2x + 10)/3 = x + 2

2x + 10 = 3(x + 2)

2x + 10 = 3x + 6

10 - 6 = 3x - 2x

4 = x

Therefore, the correct ordered pair is (4,3) since x is equal to 4.

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Alex777 [14]

Answer:

Italy won the golf competition.

Step-by-step explanation:

Italy: -3 + 4 + 5 + -5 + 3 + -5 + 6 + -3 + -3

Total:  -1

Russia:-4 + 5 + -6 + 4 + 4 + 6 + -3 + -3 + -5

Total:  -2

8 0
3 years ago
Solve for :<br> 12 = 15 (z - 1/5)
Ronch [10]
The answer to this problem “12 = 15(z-1/5) is : Z = 1
6 0
3 years ago
in mr carrs math class, 9 of the 14 said they like math , and 7 of the 16 boys said they like math . if miss carr randomly a sel
erma4kov [3.2K]

For the 1st fraction, since 14 × 1 = 14,

9

14

=

9 × 1

14 × 1

=

9

14

Likewise, for the 2nd fraction, since 7 × 2 = 14,

6

7

=

6 × 2

7 × 2

=

12

14

Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction

9

14

<

12

14

or

9

14

<

6

7

3 0
3 years ago
How to do this question plz answer ​
const2013 [10]

9514 1404 393

Answer:

  60

Step-by-step explanation:

The exterior angles of the polygon are the supplement of the interior angles, so are ...

  180° -174° = 6° . . . . measure of each exterior angle

The sum of exterior angles is 360°, so ...

  n(6°) = 360°

  n = 360°/6° = 60

The polygon has 60 sides.

7 0
3 years ago
Read 2 more answers
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ExtremeBDS [4]
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8 0
4 years ago
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