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Ira Lisetskai [31]
3 years ago
5

Help, How do you graph this, and what's the solution. Brainliest promised if correct

Mathematics
1 answer:
zalisa [80]3 years ago
4 0

Answer:

(1,-2)

Step-by-step explanation:

The solution is (1,-2) because that's where the the lines cross over each other. The x in the equation is what you move by, remember rise over run. The second number is your starting point, so -3 and positive 3 in this case.

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Carmine paid electrician x dollars per hour for a 5-hour job plus $70 for parts,. The total charge was $320. Which equation can
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320-70 divided by 5 and you will get the value of x
5 0
3 years ago
Solve the equation below for the variable "x". *<br> - 2x + 10 = 8
Brums [2.3K]

Answer:

x = 1

Step-by-step explanation:

Subtract 10 from 8 to get -2. Then divide -2x by itself so it will cancel out. Whatever you do to one side of the equation, do to the other so divide -2 by -2 to get your answer of 1

3 0
3 years ago
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What type of number is 9 1/2?
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9 and 1/2 is a mixed number
7 0
3 years ago
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Suppose y varies inversely with x. Write an equation if y=7 when x=-4
luda_lava [24]

Answer:

y = -28 ÷ x

Step-by-step explanation:

The standard format of a inversely proportional equation goes by the format of y = k ÷ x. The question asks us to write an equation if y = 7 when x = -4 and y varies inversely with x.

So we substitute the values y = 7 and x = -4 in the equation y = k ÷ x

K = constant, we have to work this out

7 = k ÷ -4

7 × - 4 = k

k = - 4 × 7

k = -28

k = -28 So then we put this back into the original y = k ÷ x to find our final equation which is y = -28 ÷ x

3 0
3 years ago
In one baseball season, Nolan hit twice the difference of the number of home runs Mrs. Davis hit and 6. Altogether, they hit 18
Alborosie

Answer:

Nolan hitted 8 home runs

Step-by-step explanation:

Let's call the number of home runs that Nolan hitted by N, and that Davis hitted by D.

So, we can write the following equations:

N = 2 * (D - 6)

N + D = 18

Now we can solve the system of equations, using the value of N from the first equation in the second one:

2 * (D - 6) + D = 18

2*D - 12 + D = 18

3*D = 30

D = 10

Now we find N:

N + D = 18

N + 10 = 18

N = 8

So we have that Nolan hitted 8 home runs.

4 0
3 years ago
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