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wariber [46]
4 years ago
8

Use the elimination method to solve the system of equations. Choose the correct ordered pair

Mathematics
2 answers:
Inessa [10]4 years ago
4 0

Answer:

A

Step-by-step explanation:

Use a website called Desmos you put in your equation and it graphs it for you

soldi70 [24.7K]4 years ago
3 0

Answer:

A

Step-by-step explanation:

Given the 2 equations

3y = x - 1 → (1)

x - 2y = 2 → (2)

Rearrange (2) expressing x in terms of y by adding 2y to both sides

x = 2 + 2y → (3)

Substitute x = 2 + 2y into (1)

3y = 2 + 2y - 1 ( subtract 2y from both sides )

y = 2 - 1 = 1

Substitute y = 1 in (3) for corresponding value of x

x = 2 + (2 × 1) = 2 + 2 = 4

Solution is (4, 1)

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Robert wants to buy an oven that costs 1000$ including taxes. , to pay for the oven, he will use a payment plan. He makes a down
natka813 [3]

Answer:

15% increase

Step-by-step explanation:

If Robert uses the payment plan then he will pay"

Down Payment - $250

6 months of 150 - 6*$150 = 900

In total he pays $1150.

To find the percent increase/decrease:

1. Subtract the original value from the new value.

2. Divide by the original value.

3. Multiply the decimal by 100 to convert to a percent.

1150 - 1000 = 150

150/1000 = 0.15

0.15*100 = 15%

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4 years ago
The theater arts committee estimated that it would sell 200 tickets for its upcoming play. The committee actually sold 224 ticke
saw5 [17]

<span>First, subtract the estimated tickets that will be sold from the actual tickets sold. 200 – 224 = -24, ignore the negative sign, so the error is 24. Then, divide the error by the actual ticket sold, 24/224= 0.1071 and multiply the answer by 100 to get the percentage. So, the percentage error is 10.7%. </span>

3 0
4 years ago
Solve 3/x-3=x/x-3-3/2
MA_775_DIABLO [31]
X = 3.....................
8 0
3 years ago
The height of the pyramid in the diagram is three times the radius of the cone. The base area of the pyramid is the same as the
klio [65]
Since the height of the pyramid is 3 times the radius of the cone we can express height of the pyramid as a function of radius of the cone.

Let radius of cone = r
Then, height of the pyramid = 3r

Area of the base of the cone = pi x r^2 = area of the pyramid.

If the base dimensions of the pyramid are l and b, then area of the pyramid, l x b = pi x r^2.

The volume of the pyramid = 1/3 x l x b x h

We know, l x b = pi x r^2 and h = 3r.

Thus, volume of pyramid is = 1/3 x pi x r^2 x 3 r = pi x r^3
3 0
3 years ago
Suppose that the relation H is defined as follows.
sergiy2304 [10]

Answer:

domain = { 4, -2, 6, 9 }

range = { -3, 6, 0, 9 }

Step-by-step explanation:

(x, y)

x = domain

y = range

5 0
3 years ago
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