-7x+4y=24, 4x-4y=0 substitution

1 answer:

8 0

The first one: -7(x) + 4(y) = 24
The second one: 4(x) - 4(y) = 0

4y - 7x = 24 which is reduced to a negative
(-4y + 4x = 0 )

4(x) = 4(y)

-7(y ) + 4(y) = 24
- 3(y) = 24

3(y) = - 24

y-intercept: - 8
x-intercept: -8

The X & Y intercept is: -8, -8

You might be interested in

Cornelius has 25 nickels, 39 dimes, 22 quarters, and 12 fifty-cent pieces. How

Mars2501 [29]

Answer:

16.65$

Step-by-step explanation:

6 0

3 years ago

determine if the ordered pair is a solution of the equation is (2,4) a solution of y = 10 -3×? true or false

anzhelika [568]

Answer:

False

Step-by-step explanation:

4 = 10 - 3²

4 = 10 - 9

4 = 1

7 0

3 years ago

One safe investment pays 10% per year, and a more risky investment pays 13% per year.

jonny [76]

Answer: 9,600 for the 10% account 10,500 for the 13% why they wouldn't want to put it in the same account is because risky investment for the 13

Step-by-step explanation:

4 0

2 years ago

Kamila [148]

The first one is y=16

3 0

3 years ago

In the figure, BE||CD. Solve for x. Show your work.

marin [14]

Answer:

Answer is x = 15

Answer is given below with explanations.

Step-by-step explanation:

$in \: the \: figure \: BE || CD \\ by \: thales \: theorem \\ \frac{AE}{ED} = \frac{AB}{BC} \\ on \: substituting \: the \: values \: from \: the \: figure \\ \frac{9}{6} = \frac{x}{10} \\ \frac{3}{2} = \frac{x}{10} \\ x = \frac{3 \times 10}{2} \\ x = \frac{30}{2} \\ x =15 \\$

HAVE A NICE DAY!

THANKS FOR GIVING ME THE OPPORTUNITY TO ANSWER YOUR QUESTION.

3 0

2 years ago