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Reika [66]
3 years ago
13

Johnny thinks that the slope of the line through (5,10) and (4,4) is -1/6. Is he correct? If he is explain why. If he’s not, pro

vide the correct answer and explain what he did wrong.
Mathematics
1 answer:
Dmitry [639]3 years ago
4 0

Answer:

Johnny is incorrect because the slope is actually 6.

Step-by-step explanation:

To find the slope:  m = \frac{y2 - y1}{x2 - x1}

<u>Step 1:  Plug in the points</u>

m = \frac{4 - 10}{4 - 5}

m = \frac{-6}{-1}

m = 6

Answer:  Johnny is incorrect because the slope is actually 6.

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Answer:

b+0.15b,     1.15b,           b+ 15/100b

Step-by-step explanation:

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5 0
2 years ago
What is the equation of a line that has an x-intercept of -4 and a y-intercept of 8 ?
podryga [215]

Answer:

y=2/-1+8

Step-by-step explanation:

  • -4= (-4,0) -4=x1 0=y1, 8= (0,8) 0=x2 8=y2
  • formula is, y2-y1/x2-x1
  • 8-0/0-4=8/-4=4/-2= 2/-1
  • 2/-1 is the slope or (m), use (-4,0) or (0,8) i used (0,8) because its easier.
  • (0,8), 0=x1 8=y1
  • formula is y-y1=m(x-x1)
  • y-8=2/-1(x-0) ---->distribute
  • y-8=2/-1x-0 --->get y alone

          +8          +8

  • so the answer is y=2/-1+8

7 0
3 years ago
PLEASE HELP I WILL MARK YOU BRAINLIEST
stira [4]

Answer:

1. <u>2448</u> do 612x4

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5 0
3 years ago
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Solve the following equation <br> 4(3-2x)=15
bonufazy [111]

Answer:x= -3/8

Step-by-step explanation:

8 0
2 years ago
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Please , can someone answer thisss TmT
Tems11 [23]

Answer:

7

Step-by-step explanation:

We have that x1=−1, y1=5, x2=3, y2=7.

Plug the given values into the formula for a slope: m=7−(5)3−(−1)=12.

Now, the y-intercept is b=y1−mx1 (or b=y2−mx2, the result is the same).

b=5−(12)(−1)=112

Finally, the equation of the line can be written in the form y=b+mx:

y=112+x2

ANSWER

5 0
3 years ago
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