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Genrish500 [490]
3 years ago
5

Write the equation of a line that is perpendicular to y=-4/3x+9 and goes through (8,-5). Do not use spaces in your answer. Enter

fractions as a/b as seen in the given equation. PLEASE HELP ME PLEAEEEEEE

Mathematics
1 answer:
liq [111]3 years ago
8 0

Answer:

y=3/4x-11

Step-by-step explanation:

When a line is perpendicular to another line, their slope is the opposite reciprocal of that. So in this case, the slope of the perpendicular line would be positive 3/4. Next, plug in the points (8,-5) in the y=mx+b formula along with the new slope. In conclusion, the new point slope formula is y=3/4x-11.

Hope this helps! :)

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Find the slope of the line 7x-4y=10
Harman [31]

Answer:

The slope is m=(7/4)

Step-by-step explanation:

we know that

The equation of the line into slope intercept form is equal to

y=mx+b

where

m is the slope

b is the y-coordinate of the y-intercept

In this problem we have

7x-4y=10

so

Convert to slope intercept form

Isolate the variable y

4y=7x-10

y=(7/4)x-(10/4)

y=(7/4)x-(5/2)

The slope is m=(7/4)

5 0
3 years ago
Solve ax-5=b for a. So which one is right A,B,C or D
Darya [45]
It would be c

ax-5=b What you have to do is get a to be by itself

So you would add 5 to both sides:
ax-5(+5)=b(+5) = ax=b+5

And then divide x by both sides. You divide because a is multiplied by x on the left side, so to move it to the other side you’d have to do the opposite and divide:
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Answer is C ... a=(b+5) /x
7 0
3 years ago
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ivann1987 [24]
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7 0
2 years ago
If x:y =5:6 and y:z =4:9 find, (a) x:y
OLga [1]

Answer:

20:54

Step-by-step explanation:

x:y:z=20:24:54

3 0
2 years ago
A scuba diver is swimming at a depth of -8
ICE Princess25 [194]

Answer:

-24 feet.

Step-by-step explanation:

To find this, we need to multiply -8 and 3. This gets us -24. That means the coral reef is -24 feet. I hope this helps!

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