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Gnom [1K]
3 years ago
7

Find the slope and y-intercept of the equation 4x+5y=-9

Mathematics
1 answer:
Vesnalui [34]3 years ago
6 0

Yo sup??

4x+5y=-9

y=(-4x)/5-9/5

we see that this is of the form y=mx+c

where m is the slope

therefore the slope of the line is -4/5

To find y intercept, put x=0

y=-4*0/5-9/5

y=-9/5

Therefore y intercept is -9/5

Hope this helps.

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Which is the equation of a line that is perpendicular to 8x + 6y = –5?
IrinaVladis [17]

The perpendicular line will have an equation of y=3/4x-3/4

To find this, we first have to solve our equation for slope intercept form.

8x + 6y = -5 ----> subtract 8x

6y = -8x + -5 ----> divide by 6

y = -4/3x - 5/6.

So we know the slope of this equation to be -4/3. Since perpendicular lines have opposite and reciprocal slopes, we know we can simply flip the fraction and make it a negative to get the new slope of 3/4. Since B is the only option with that slope, we know it to be the correct answer.

4 0
3 years ago
Aaron rides his bike at a constant rate of 10 miles per hour. Which table represents y, the number of miles Aaron rides his bike
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Answer:

I believe the answer is c. but I'm not too sure.

Step-by-step explanation:

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5 0
3 years ago
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The diagram shows the number of dollars each child has in a family. How can you redistribute the money so that each child has th
mash [69]

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Step-by-step explanation:

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PLEASE HELP ME QUICK!!!Can you form a triangle with angle measurements of 50°, 50° and 100° explain why or why not.
alex41 [277]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
Help me with number question 7
oksano4ka [1.4K]
Just use the Pythagorean Theorem
(9 +x)^2 = 15^2 + x^2
x^2 + 18x + 81 = 225 + x^2
18x = 144
x = 8
 So the three sides of the triangle are
15, 8 and 17


5 0
3 years ago
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