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4 years ago

Solve the system y = 2x + 6 and 3y = 6x + 18 by using graph paper or graphing technology. What is the solution to the system?

2 answers:

8 0

y = 2x + 6

3y = 6x + 18 or y = 2x + 6

so the graph of the two lines are the same

consequently, they system has
Infinite Solutions

mezya [45]4 years ago

6 0

Answer:

The system has infinite solutions

Step-by-step explanation:

we have

$y=2x+6$ ----> equation A

$3y=6x+18$ ----> equation B

Multiply by $3$ equation A

$3y=3*(2x+6)$ -----> $3y=6x+18$ -----> equation C

equation C and equation B are the same line

The system of equations is a consistent dependent system

The system has infinite solutions

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Answer:

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Step-by-step explanation:

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Answer is B. l = (S - πr^2) / πr

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3 years ago

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The $5 are correct but it marked the .75 as wrong

vodka [1.7K]

Maybe try changing it to 3/4?

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3 years ago

4. 225 is 75% of what number?

scoray [572]

Answer:

300

Step-by-step explanation:

$\frac{225}{x} = \frac{75}{100}$

Since 225 is 75% of a whole, write the proportion such that 225 corresponds to 75% and x, the number we're searching for, corresponds with 100%

Cross multiply to solve and divide by 75 to isolate x:

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3 years ago

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Step-by-step explanation:

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3 years ago

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