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Minchanka [31]
3 years ago
10

Solve the system by either substitution or elimination

Mathematics
1 answer:
kipiarov [429]3 years ago
6 0
The answer to the equation 3x-5y=21, 2x+y=1 is (2, -3)
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URGENT!!!!
zhannawk [14.2K]

Answer:

Write a system of equations

Step-by-step explanation:

2x + y = 15

3x - y = 20

5x = 35

x = 7

2(7) + y =15

y = 1

5 0
2 years ago
Which of the following describes how to translate the graph y = |x| to obtain the graph of y = |x + 7|? 7 units up 7 units down
sergij07 [2.7K]

ANSWER

7 units left.

EXPLANATION

The parent function is

y =  |x|

The transformation

y =  |x + a|

shifts the graph of the function, a units to the left.

Therefore the transformation that describes how to translate the graph of

y=|x| to obtain y=|x+7| is 7 units left.

The third choice is correct

5 0
3 years ago
Read 2 more answers
What is the measure of Angle A in the triangle shown?<br> ___ degrees
Triss [41]

Answer:

44

Step-by-step explanation:

4 0
3 years ago
Listed below are pulse rates​ (beats per​ minute) from samples of adult males and females. Find the mean and median for each of
gulaghasi [49]

Answer:

Male: Median: 64.5 and the mean is 70.6

Female: median: 83 and mean is: 79.93

Step-by-step explanation:

For median, you place all of the numbers from lowest to highest, and then find the number in the middle.

For Mean, add up all the numbers, then divide by the amount of numbers there.

For example.

30/5= 6

3 0
2 years ago
4. Divide, using synthetic division: 16x^3 +80x^2+x+5/x+5
fgiga [73]

Answer:

Step-by-step explanation:

x+5=0

x=-5

-5) 16   80   1    5

  |       -80   0  -5

 ____________

  | 16    0    1  | 0

quotient=16x²+1

Remainder=0

8 0
3 years ago
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