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IrinaVladis [17]
3 years ago
14

Plz help Ive hurt my brain trying to do this lol.will mark brainliest.

Mathematics
1 answer:
Natasha2012 [34]3 years ago
6 0

Answer: Graph A & B

Step-by-step explanation:

Both A & B have x values that stretch from 1-6. The others are different

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The distance between two schools M and K is 2km. A market is situated between M and K . How far is the market from k ?
Kamila [148]

Answer:

1 km

Step-by-step explanation:

if the distance between M and K is 2 km and the store is situated exactly in the middle between M and K then the distance to the store from either M or K is half the distance between the two points M and K and therefore 1 km

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3 years ago
Determine the slope of the line that passes through the points (-2, 5) (1, -7)
Llana [10]

Answer:

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Step-by-step explanation:

<u>Given points </u>

  • (-2, 5) (1, -7)

<u>Use slope formula to find the slope</u>

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5 0
3 years ago
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Suppose the test scores on an exam show a normal distribution with a mean of 82 and a standard deviation of
Zanzabum

Answer:

a) Between 74 and 90

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Step-by-step explanation:

a) According to the Empirical Rule, in a normal distribution, 95% of the data are within 2 standard deviations of the mean. Therefore, the range that 95% of the scores fall in is between 82-4(2)=74 and 82+4(2)=90.

b) The percent of scores that are between 78 and 90 is: normalcdf(lower,upper,μ,σ) = normalcdf(78,90,82,4) = 0.8185946784 ≈ 0.8186, or about 81.86% of the scores.

5 0
3 years ago
I need help, can you please help me?
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Step-by-step explanation:

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