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Iteru [2.4K]
3 years ago
6

Using the point slope equation find the equation consisting (4,9) and slope m=-3

Mathematics
1 answer:
alexira [117]3 years ago
6 0
-3x4=-12
9+-12=-4

So the y-intercept is -4
Since you already know the gradient you can form:

y = -3x -4
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Juan scored 15 points more on this test than
maw [93]

Juan's least integer scores in both tests will be 85 and 100 respectively.

  • Test average of his two scores is atleast 92

Let :

  • Score on test 1 = b
  • Score on test 2 = b + 15

Average score can be related thus:

  • (Sum of score ÷ number of test) ≥ 92
  • (b + b + 15) ÷ 2 ≥ 92
  • (2b + 15) ÷ 2 = 92
  • 2b + 15 = 184
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  • 2b = 169
  • b = 169 ÷ 2
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Therefore, since both scores are integers, his least scores on both tests will be ::

  • 85 and (85 + 15) = 100

Learn more :brainly.com/question/15528814

8 0
3 years ago
What is the difference between -4 and 6?
KATRIN_1 [288]

Answer:

10

Step-by-step explanation:

5 0
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A tether ball is attached to the top of a 15-foot pole. Maddy holds the ball 3 feet off the ground and 4 feet from the pole. How
givi [52]

Answer:

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Step-by-step explanation:

the length of the rope can be determined using Pythagoras theorem

The Pythagoras theorem : a² + b² = c²

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c =  hypotenuse

√15² + 4²

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Tim has contributed to Social Security over 30 years but has no other retirement plan. At age 50, should he start an IRA instead
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