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IgorLugansk [536]
4 years ago
11

Please help me with this math problem.

Mathematics
1 answer:
garri49 [273]4 years ago
7 0

Answer:

-x + 8y = 56

Step-by-step explanation:

To get rid of fractions, multiply equation by 8.

It becomes 8y = x + 56

Now get the x to the side with the 8y by subtracting x.

-x + 8y = 56

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Plz help me with this question
Contact [7]

Answer: KJ becuase it is the first two like on but put backwards.

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3 years ago
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If BC = 2x, CD = 7x, and BD = 9, what is CD?
Paha777 [63]

Answer: 18

Step-by-step explanation:

2(9)=18

8 0
3 years ago
....................
antiseptic1488 [7]

The answer is (A), or 8.

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2 2/5 x 2 = <br><br> 4.8<br> -4.8<br> 8.4<br> -8.4
Zinaida [17]

Answer:

c

Step-by-step explanation:

you have a calculator dont you?

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3 years ago
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What is the slop intercept form of a line that passes threw (4,-4) and (8, -10)
BigorU [14]

For this case we have that by definition, the equation of a line of the slope-intersection form is given by:

y = mx + b

Where:

m: It's the slope

b: It is the cut-off point with the y axis

We have two points through which the line passes, so we can find the slope:

(x_ {1}, y_ {1}) :( 4, -4)\\(x_ {2}, y_ {2}) :( 8, -10)\\m = \frac {y_ {2} -y_ {1}} {x_ {2} -x_ {1}} = \frac {-10 - (- 4)} {8-4} = \frac {-10+ 4} {4} = \frac {-6} {4} = - \frac {3} {2}

Thus, the equation is of the form:

y = - \frac {3} {2} x + b

We substitute one of the points and find "b":

-4 = - \frac {3} {2} (4) + b\\-4 = - \frac {12} {2} + b\\-4 + 6 = b\\b = 2

Finally, the equation is of the form:

y = - \frac {3} {2} +2

ANswer:

y = - \frac {3} {2} +2

4 0
3 years ago
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