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arlik [135]
3 years ago
6

Solve the system of equations using the substitution method Show all work,

Mathematics
1 answer:
AleksAgata [21]3 years ago
7 0

Answer: Since −3x does not contain the variable to solve for, move it to the right-hand side of the equation by adding 3x to both sides.

y=5x−7

−2y=3x−12

Divide each term in the equation by −2.

y=5x−7

y=−3x/2+6

Create a graph to locate the intersection of the equations. The intersection of the system of equations is the solution.

(2,3)

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Find 6.75% of 260 plzzzzzzzzzzzzzzzzzzzzzzzzzzzz helppppppppppppppp
ICE Princess25 [194]

Answer:

17.55

Step-by-step explanation:

. We assume, that the number 260 is 100% - because it's the output value of the task.

2. We assume, that x is the value we are looking for.

3. If 260 is 100%, so we can write it down as 260=100%.

4. We know, that x is 6.75% of the output value, so we can write it down as x=6.75%.

5. Now we have two simple equations:

1) 260=100%

2) x=6.75%

where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:

260/x=100%/6.75%

6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for what is 6.75% of 260

260/x=100/6.75

(260/x)*x=(100/6.75)*x       - we multiply both sides of the equation by x

260=14.814814814815*x       - we divide both sides of the equation by (14.814814814815) to get x

260/14.814814814815=x

17.55=x

x=17.55

now we have:

6.75% of 260=17.55

8 0
4 years ago
Read 2 more answers
Mrs. Miller has 4 pounds of clay, and Mr. Bowman has 48 ounces of clay. They distribute all the clay equally among 8 students. H
Feliz [49]

Each student gets 7/8 pounds of clay.

Mrs. Miller has 4 pounds and Mr.Bowman has 3 pounds, together that is 7 pounds. There are 8 students so you divide the 7 pounds among them.

They get 7/8 pounds or 14 oz or 0.875 pounds each. I don't know what form you needed

6 0
3 years ago
Please solve this question
boyakko [2]

Answer:

Gud morning friend

Step-by-step explanation:

Sorry friend I don't know

7 0
3 years ago
26 and please show work last one thank u
Norma-Jean [14]
I would say 28 or 25 it's one of them I forgot it
7 0
3 years ago
Plz help
siniylev [52]

Answer:

I think its D but no hate if not.

8 0
3 years ago
Read 2 more answers
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