What is the value of x?

Mathematics

2 answers:

svlad2 [7]3 years ago

5 0

I believe x = 32 because it is an equalateral triangle meaning each angle is 60 degrees so the equasion is 2x-4=60.

svet-max [94.6K]3 years ago

3 0

Since all three sides are equal, we can classify the given triangle as an equilateral triangle. By the definition of an equilateral triangle, all the angles are equal and add up to 60 degrees. This means that we need to equate the given expressions each to 60 degrees.
<u>Angle Z:</u>
2x - 4 = 60
2x = 64
x = 32
<u>Angle Y:</u>
5y = 60
/5 /5
y = 12
Therefore, the value of the variable x is 32. Hope this helped and have an exceptional day!

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Suppose task B follows task A. The likelihood that a problem will occur with task A is 0.5, and the time to correct the problem

jasenka [17]

Answer:

The risk consequence of both activities is 1.6 months.

Step-by-step explanation:

We can define a randome variable D: total delay time for the project, and calculate its expected value.

This would be the risk consequence of both activities.

The expected delay time for the project is the sum of the expected delay for task A plus the expected delay for task B. It is assumed the likelihood of a problem in any task is independent of the other.

Then, each expected delay for a task is equal to the probability of a problem multiplied by the consequence (delay time).

$E(D)=E(D_a)+E(D_b)=p_aT_a+p_bT_b\\\\E(D)=0.5*2+0.2*3=1+0.6=1.6$