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Ugo [173]
3 years ago
9

Solve the system of equations. (1 point) 5x + y = 9 3x + 2y = 4 a (−2, 5) b (1, 4) c (2, −1) d (4, −4)

Mathematics
1 answer:
svetlana [45]3 years ago
3 0

Answer:

5x + y = 9

3x + 2y = 4

-10x - 2y = -18

 3x + 2y = 4

-7x = -14

x = 2

5(2) + y = 9

10 + y = 9

y = -1

(2, -1)

the answer is c

Step-by-step explanation:

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Read 2 more answers
What is the equation in standard form for (0,3) and (7,0)
Luden [163]

Answer:

3x + 7y = 21

Step-by-step explanation:

We have value of two points (0,3) and (7,0)

First, let's find the slope of this line. The formula for slope is:

Change in y/Change in x or (y₂ - y₁)/(x₂-x₁)

Where x₁ = 0 x₂= 7 y₁ = 3 y₂ = 0

(y₂ - y₁)/(x₂-x₁)

= (0-3)/(7-0)

=-3/7

Now we can write the equation in point-slope form:

y-y₁ = m(x-x₁)

y - 3 = -3/7(x-0)

y-3=-3x/7

y=-3x/7 + 3

Now let's convert this to standard form, by making the y-intercept by itself:

Ax + By = C

y=-3x/7 + 3

Multiply through by 7

7(y) = 7(-3x/7) + 7(3)

7y = -3x + 21

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3 0
3 years ago
Nate operates an orange juice stand. On Monday he used 1 3/4 bags of oranges. On Tuesday he used 1/2 as many oranges as on Monda
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Answer:

3.5/4 bags of oranges

Step-by-step explanation:

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5 0
2 years ago
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