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Marat540 [252]
3 years ago
5

WHO EVERY GETS THIS RIGHT GETS 20 PTS

Mathematics
1 answer:
MariettaO [177]3 years ago
7 0
 The function is f(x) = 9,000(0.95)x<span>
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HELP I DONT GET IT!!!For the system below solve using linear combinations method 2a+3b=1 and -2a+b=11
Maksim231197 [3]
Linear combination method just means to add the equations so that one variable with cancel. In this case the a values are already set up so that they will cancel.
2a + 3b = 1
-2a + b = 11
4b = 12
b = 3

now put 3 back into either of the original equations and solve for a.
2a + 3(3) = 1
2a + 9 = 1
2a = -8
a = -4
(-4,3)
3 0
3 years ago
Read 2 more answers
How many seconds are in two weeks?
podryga [215]

Answer:

This conversion of 2 weeks to seconds has been calculated by multiplying 2 weeks by 604,800 and the result is 1,209,600 seconds.

Step-by-step explanation:

5 0
2 years ago
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Can anyone Help me pleasee ?
3241004551 [841]

Answer:

First one

Step-by-step explanation:

.20 is 20% of 100 and there is 5 boxes and 5 times 20 = 100

6 0
3 years ago
Solve |6k + 12| + 9 = 9 for k.
slavikrds [6]

Step-by-step explanation:

6k + 12 + 9=9

6k + 12 = 9 - 9

6k + 12 = 0

12 = -6k

12/-6 = -6k/-6

2/-1 = k

k = -2

6 0
3 years ago
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What is the solution to this system if equations
Inessa05 [86]

solution is (x, y ) → (- 1, 4 )

y + 2x = 2 → (1)

y + 4x = 0 → (2)

subtract equation (1) from (2) to eliminate term in y

(y - y ) + (4x - 2x ) = (0 - 2 )

2x = - 2 ( divide both sides by 2 )

x = - 1

substitute x = - 1 in either (1) or (2) and solve for y

(1) → y - 2 = 2 ( add 2 to both sides )

y = 4

solution is (x, y ) → (- 1, 4 )


7 0
3 years ago
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