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Eddi Din [679]
3 years ago
10

PlS HELPPPP BRAINLIESTT IF GOOD

Mathematics
1 answer:
zimovet [89]3 years ago
7 0

Answer:

D. r=-1 is the correlation coefficient

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C

Step-by-step explanation:

you are adding

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What is the answer to 14x*2-29x=15?
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Two lines meet at a point that is also the endpoint of a ray.
Brrunno [24]
  1. We have to find the adjacent angle of 125, which is 55 degrees.
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Geometry! ZK, ZL, ZM are perpendicular bisectors of AGHJ. Select two options that are true.please I need help I don’t get it!!!!
nikdorinn [45]

Answer:

Answer B and C

Step-by-step explanation:

Z is the center of the circle passing through H,G,J:

HZ=85=ZG=ZJ ==> ZJ=85 : B is true

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3 years ago
Four seniors and six juniors are competing for four places on a quiz bowl team. What is the approximate probability that all fou
Vaselesa [24]

Answer: Second Option

P =0.00476

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The probability sought is calculated by calculating the quotient between the number of possible ways to select 4 seniors from a group of 4 seniors among the number of ways to select 4 seniors from a group of 10 people.

So:

P =\frac{4C4}{10C4}

Where

nCr = \frac{n!}{r!(n-r)!}

is the number of ways in which a number r of people can be selected from a group of n people

Then

P =\frac{\frac{4!}{4!(4-4)!}}{\frac{10!}{4!(10-4)!}}\\\\\\P =\frac{1}{\frac{10!}{4!(10-4)!}}\\\\P =\frac{1}{210}\\\\P=0.00476

8 0
3 years ago
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