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satela [25.4K]
3 years ago
14

You asked one of your team members about the schedule variance (SV) for one of her key deliverables. She mentioned that she is b

ehind schedule but there would not be any cost variance. Which of the following is NOT true in this case
Mathematics
1 answer:
Hoochie [10]3 years ago
6 0

Answer:

Where there is a negative schedule variance (SV), the project is said to be behind schedule

Where there is a negative cost variance (CV) the project is said to be over budget

Step-by-step explanation:

Schedule variance is found by subtracting the cost of work scheduled from the cost of performed work

It is given by;

Schedule variance (SV) = Cost of performed work - Cost of work scheduled

or

Schedule variance (SV) = BCWP - BCWS

Where

BCWP = Budgeted Cost of Work Performed

BCWS = Budgeted Cost of Work Scheduled

Schedule variance (SV) = Earned Value (EV) - Planned Value (PV)

Where there is a negative schedule variance, the project is said to be behind schedule.

Cost variance (CV) is given by;

Cost variance is found by subtracting the actual cost (AC) of a project from the expected cost (EC) of the project.

CV = EV - AC = EC - AC

Where there is a negative cost variance the project is said to be over budget.

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Let f(x) = -3x + 2 and g(x) - 4x + 6. Find (f•g)(-5).
mezya [45]

Answer:

(f•g)(-5) = -238

Step-by-step explanation:

We have that:

f(x) = -3x + 2

g(x) = 4x + 6

Find (f•g)(-5).

First we find (f.g)(x)

So

f(x)*g(x) = (-3x + 2)*(4x + 6) = -12x² -10x + 12

When x = -5

-12(-5)² - 10(-5) + 12 = -238

(f•g)(-5) = -238

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Find a recursive formula for the sequence:<br><br> 1, -1, -7, -25
Mumz [18]
<h3>Answer:</h3>

a_n=3a_{n-1}-4

<h3>Step-by-step explanation:</h3>

<em>Try the answers</em>

You can try the answers to see what works. You can expect all of the choices to match the first two terms, so try some farther down. Let's see if we can get -25 from -7.

a) 3*(-7) -4 = -21 -4 = -25 . . . . this one works

b) -7 -2 = -9 . . . . ≠ -25

c) -3(-7) +2 = 21 +2 = 23 . . . . ≠ -25

d) -2(-7) +1 = 14 +1 = 15 . . . . ≠ -25

The formula that works is the first one.

_____

<em>Derive it</em>

All these formulas depend on the previous term only, so we can write equations that show the required relationships. Let the unknown coefficients in our recursion formula be p and q, as in ...

a_n=p\cdot a_{n-1}+q

Then, to get the second term from the first, we have

... 1·p +q = -1

And to get the third term from the second, we have

... -1·p +q = -7

Subtracting the second equation from the first gives ...

... 2p = 6

... p = 3 . . . . . . . this is sufficient to identify the first answer as correct

We can find q from the first equation.

... q = -1 -p = -1 -3 = -4

So, our recursion relation is ...

a_n=3a_{n-1}-4

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Find the volume of the prism.
Alex_Xolod [135]

Answer:

c. 120 units^3

Step-by-step explanation:

L x W x H = <em>V</em>

3 x 4 / 2 = 6

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