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zzz [600]
3 years ago
8

Three experts gave opinions on how long a task will take to finish. The estimates were 29, 10, and 12 days (in no particular ord

er). What is PERT estimate - ROUNDED
Mathematics
1 answer:
nirvana33 [79]3 years ago
7 0

Answer:

15

Step-by-step explanation:

PERT estimate is a measuring strategy that is based on a weighted average. It is used in measuring the uncertainty and risk via three estimates to determine an estimated likelihood for a project's cost or period of completion.

The formula is (O + 4M + P) ÷ 6

Where P is the most pessimistic = 29

M is the most likely = 12

O is the most optimistic = 10

Hence we have (10 + [4*12]+ 29) ÷ 6

= (10 + 48 + 29) ÷ 6

= 87÷6 = 14.5 ≈ 15

Rounded figure is equal to 15.

Hence the final answer to the question is 15

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Must include an explanation !!<br><br> solve for x
Ira Lisetskai [31]

Answer:

x=5

Step-by-step explanation:

Volume of a rectangular prism=\frac{1}{2}b x l x h

Set up you equation

120=\frac{1}{2}(4 x 12 x x)

Multiply inside the parentheses

120=\frac{1}{2}(48x)

Multiply by \frac{1}{2}

120=24x

Divide by 24 on both sides

5=x

Check you answer

Volume of a rectangular prism=\frac{1}{2}b x l x h

Set up your equation

\frac{1}{2}(12 x 5 x 4)

Multiply inside the parentheses

\frac{1}{2}(240)

Multiply by \frac{1}{2}

V=120yd³

8 0
3 years ago
What is the distance between (-4,0)and (-4,-5)
Nastasia [14]

Answer:

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5 units

Step-by-step explanation:

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4 0
3 years ago
Which expression represents the volume, in cubic units, of the shaded part of the sphere? four-thirdsπ(103) four-thirdsπ(43) fou
oee [108]

The volume of the shaded part in cubic units is  4/3π(20)³ -  4/3π(4)³

<h3>Volume of composite object</h3>

The sphere is a a solid 3-dimensional object. THe formula for calculating its volume is expressed as:

V = 4/3πr³

where:

r is the radius of the sphere

<u>For the outer sphere:</u>

V = 4/3π(20)³

<u>For the inner sphere:</u>

V = 4/3π(4)³

The volume of the shaded part in cubic units is  4/3π(20)³ -  4/3π(4)³

Learn more on volume of sphere here: brainly.com/question/10171109

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6 0
2 years ago
Please help!! Only correct answers please! (Easy?)
77julia77 [94]

Answer:

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Step-by-step explanation:

6 0
2 years ago
I have a Algebra 2 question <br><br> f(x) = 5x +4 and g(x) = x^2 - 5 <br><br> find g(f(4))
victus00 [196]

Answer: 571

To get this answer, we first need to compute the value of f(4). This happens when we plug x = 4 into f(x)

f(x) = 5x + 4

f(4) = 5*4+4 ... each x replaced with 4

f(4) = 20+4

f(4) = 24

Now replace every 'x' in g(x) with f(4) like so

g(x) = x^2 - 5

g(x) = ( x )^2 - 5

g(f(4)) = ( f(4) )^2 - 5 .... every x replaced with f(4)

g(f(4)) = ( 24 )^2 - 5 ... see note below

g(f(4)) = 576 - 5

g(f(4)) = 571

note: the f(4) on the right hand side of that equation is replaced with 24, because we found earlier that f(4) = 24. In other words, f(4) is the same as 24.

5 0
3 years ago
Read 2 more answers
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