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Leokris [45]
3 years ago
7

4x - 2y = -4 -6x + 6y = 30

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
6 0
Simplify 1st equation
2x-y=-2
simplify second equation
-x+y=5

add both equations
2x-y=-2
-x+y=5
------------
x =3

-x+y=5
-3+y=5
y=8

x=3, y=8

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Find the monthly growth rate as a percentage given this exponential function: f(t)=5,400(1.021)^t​
choli [55]

Answer:

The monthly growth rate is 2.1%

Step-by-step explanation:

To find the monthly growth rate, we have to consider what is inside the bracket

Mathematically, what we have in the bracket should be written as;

1 + r

Thus;

1 + r = 1.021

r = 1.021-1

r = 0.021

This is same as 2.1%

8 0
3 years ago
Find the slope-intercept form of the equation that passes through the points (3, -4) and (1, 2)
quester [9]

Answer:

y = -3x + 5

Step-by-step explanation:

(y2-y1)/(x2-x1)

Plug coordinates into that

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3 0
3 years ago
Select the best answer for the question.
Marat540 [252]

The answer of this question is 42


3 0
4 years ago
Is (5,3) a solution to this system of equation <br> X+y=8<br> 17x+17y=8
Degger [83]

(5, 3)

x    y

Plug in:

x + y = 8

5 + 3 = 8

8 = 8

Plug in:

17(5) + 17(3) = 8

85 + 51 = 8

136 = 8

Answer - No, (5, 3) is not a solution to this system of equations.

5 0
4 years ago
Question in picture solve
dimulka [17.4K]

Answer:

x= 13.5

Step-by-step explanation:

f(x) = 2x + 9

f(x) = 36

Set the 2 equations equal to each other;

2x + 9 = 36

Subtract 9 from both sides;

2x = 27

Divide both sides by 2;

x = 13.5

<em>Check:</em>

f(x) = 2x + 9

f(13.5) = 2(13.5) + 9= 27 + 9 = 36

3 0
3 years ago
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