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yan [13]
3 years ago
5

Please help me

Mathematics
2 answers:
sergejj [24]3 years ago
7 0
B. The correct symbol is greater than (>)
DanielleElmas [232]3 years ago
3 0
The answer is B, because 44 is greater than 42. I hope this helps!
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How many solutions exist for the given equation?
Alinara [238K]

Answer: X = 2

Step-by-step explanation:

Step 1: Simplify both sides of the equation!

Step 2: Subtract 4x from both sides.

Step 3: Subtract 6 from both sides.

Step 4: Multiply both sides by 2/(-7).

3 0
3 years ago
Joe used a project management software package and has determined the following results for a given project.: Expected completio
statuscvo [17]

Answer:

0.1151 = 11.51% probability of completing the project over 20 days.

Step-by-step explanation:

Normal Probability Distribution

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Expected completion time of the project = 22 days.

Variance of project completion time = 2.77

This means that \mu = 22, \sigma = \sqrt{2.77}

What is the probability of completing the project over 20 days?

This is the p-value of Z when X = 20, so:

Z = \frac{X - \mu}{\sigma}

Z = \frac{20 - 22}{\sqrt{2.77}}

Z = -1.2

Z = -1.2 has a p-value of 0.1151.

0.1151 = 11.51% probability of completing the project over 20 days.

4 0
2 years ago
Please help! (listing BRAINLIST and giving points) ​:D​
Luden [163]

Answer:

40°

Step-by-step explanation:

because angle In an isosceles triangle base angles are same and angle in a triangle add up to 180° and angle on a straight line add up to 180°

hope this helps:)

3 0
3 years ago
The matrix is used to solve a problem. Which of the following would be a solution to the problem?
timurjin [86]
The answer would be c because I know
3 0
3 years ago
PLEASE HELP I WOULD GIVE OUT MORE POINTS BUT THIS IS ALL I HAVE
mr Goodwill [35]
I don’t see anything
7 0
2 years ago
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