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gayaneshka [121]
3 years ago
7

Help please! (no links)

Mathematics
1 answer:
disa [49]3 years ago
3 0
EZ is 24.5
Happy is 25
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A study of long-distance phone calls made from General Electric Corporate Headquarters in Fairfield, Connecticut, revealed the l
Alika [10]

Answer:

41.92%

Step-by-step explanation:

In table attached standard normal distribution curve is shown.

Data

mean, µ = 4.3 minutes

standard deviation, σ = 0.5 minutes

desired point, x = 5 minutes

x-axis, Z = (x - µ)/σ

The probability that calls last between 4.3 and 5.0 minutes is equivalent to find the area below the curve between Z = 0 and Z = (5 - 4.3)/0.5 = 1.4, which is 0.4192, or 41.92%

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What is another name for line m?
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The midpoint of AB is at ( − 5 , 2 ). If A = ( 10 , − 3 ), find B.
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4 years ago
A baseball team won 2 games. They played 17 games total. Which ratio shows how many games they lost
Contact [7]

Answer:

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6 0
3 years ago
What is the slope-intercept form of the equation of the line that passes through the points (−3, 2) and (1, 5) ?
madam [21]

Answer:

C

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

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m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (- 3, 2) and (x₂, y₂ ) = (1, 5)

m = \frac{5-2}{1+3} = \frac{3}{4}, thus

y = \frac{3}{4} x + c ← is the partial equation

To find c substitute either of the 2 points into the partial equation

Using (- 3, 2), then

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y = \frac{3}{4} x + \frac{17}{4} → C

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3 years ago
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