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3 years ago

Find an ordered pair that satisfies the equation 4x+y=-34 by letting x=-9

Mathematics

1 answer:

Delicious77 [7]3 years ago

6 0

Answer:

(- 9, 2)

Step-by-step explanation:

Substitute x = - 9 into the equation and solve for x

4(- 9) + y = - 34

- 36 + y = - 34 ( add 36 to both sides )

y = 2

Thus (- 9, 2) satisfies the equation

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kkurt [141]

Answer:

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Step-by-step explanation:

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3 years ago

Use the given equation to determine if the points in the brackets are on the graph

dmitriy555 [2]

The points in the brackets are on the graph are (0, 2) and (6, 10)

<h3>How to determine if the points in the brackets are on the graph?</h3>

The equation of the line is given as

4x - 3y = -6

The points are given as:

{(0,2),(1,3),(4,7),(6,10)}

Rewrite as

(x, y) = {(0,2),(1,3),(4,7),(6,10)}

Next, we substitute the x and y values in the equation 4x - 3y = -6

So, we have

(0, 2):

4(0) - 3(2) = -6

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(1, 3):

4(1) - 3(3) = -6

-5 = -6 ---- false

(4, 7):

4(4) - 3(7) = -6

-5 = -6 ---- false

(6, 10):

4(6) - 3(10) = -6

-6 = -6 ---- true

Hence, the points in the brackets are on the graph are (0, 2) and (6, 10)

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2 years ago

The price of a stock decreased by 60 cents one week, decreased 10 cents the next week, and decreased another 20 cents the follow

mel-nik [20]

Hi there! Hopefully this helps!

----------------------------------------------------------------------------------------------------------

It decreased by 30 cents per week.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The average rate of change is calculated as:

the ratio of the sum of the change in the three weeks divided by the number of weeks. (The number of weeks being 3)

Rate of change = $\frac{-60 -10 -20}{3}$ .

(-60 + -10 + -20 = -90). So, to simplify it:

$\frac{-90}{3}$ = -30

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Incase you are confused:

Since the average rate of change is negative, this means that the stock price has decreased.

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3 years ago

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Solve the following using the elimination method and write the value of x.

yawa3891 [41]

Answer:

the first one is ×=-2-3/5

the second one is ×=1-3y/2

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3 years ago