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posledela
4 years ago
12

Please Help ASAP! 25 POINTS!

Mathematics
2 answers:
xeze [42]4 years ago
8 0

Answer:

47.5

Step-by-step explanation:

hjlf4 years ago
7 0

<u>Answer:</u>

The rate of speed for Harper's family trip is 4.75 miles per hour

<u>Solution: </u>

The distance to the friend’s house is 276.45 miles.

It takes the family 5.82 hours to complete the trip.

We know the rate of speed per hour is calculated by dividing distance by time

\text {rate of speed}=\frac{\text {distance}}{\text {time}}

Here distance = 276.45 miles and time = 5.82 hours

Therefore, rate = \left(\frac{276.45}{5.82}\right) = 4.75 miles/hour

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3 years ago
Which function is shown in the graph?
marta [7]

Answer:

f(x)=log5x

x>0

all real number

Step-by-step explanation:

7 0
3 years ago
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What is the scale factor in the dilation?
vlada-n [284]

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3

Step-by-step explanation:

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3 years ago
There are four activities on the critical path, and they have standard deviations of 1, 2, 4, and 2. what is the probability tha
Sauron [17]
The expected completion time is μ = 40 weeks.
The random variable, X = 38 weeks (the probable time)

If the standard deviation is σ, then the z-score is z = (x - μ)/σ.

Let us test the given standard deviations.
When σ=1,
z = (38-40)/1 = -2
From standard tables,
P(x<=38) = P(z<=-2) = 0.0228 =2.3%

When σ=2,
z = (38*40)/2 = -1
P(x<=38) = P(z<=-1) = 0.1587 = 15.9%

When σ=4,
z = (38-40)/4 = -0.5
P(x<=38) = P(z<=-0.5) = 0.3085 = 30.9%

Answers:
z=1 => 2.3%
z=2 => 16% (approx)
z=4 => 31% (approx)

7 0
3 years ago
Find an equation parallel to the line, y= -3x -1
Aleks04 [339]

Answer:

y = 3x -2

Step-by-step explanation:

If the line is parallel, that means it has the same slope. The given equation had a slope of 3, so the new line must also have a slope of 3.

You can plug the given coordinates into the slope-intercept form with a slope of 3 to find your answer.

y = m*x + b

7 = 3*3 + b

7 = 9 + b

-2 = b

y = 3x -2

I Hope This Helps :D

7 0
3 years ago
Read 2 more answers
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