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irinina [24]
2 years ago
8

Based on past experience, a building contractor sets the

Mathematics
1 answer:
Leni [432]2 years ago
6 0

Based on the cost of the contract and the probability to win it, the total expected value of the contract proposal is -$2500.

<h3>How to calculate the expected value of a contract proposal?</h3>

The general formula to calculate the expected value is:

  • Expected value: possibility of winnind the contract x the amount when winning - possibility of loing the contract x possible loss

  • Possibility of winning the contract= 0.10
  • Possibility of losing the contract = 0.90
  • Gain: $65000
  • Loss: $10000

<h3>What is the expected value of the contract?</h3>
  • Expected value: 0.10 x 65000 - 0.90 x 10000
  • Expected value: 6500 - 9000
  • Expected value: -$2500

Learn more about contract in: brainly.com/question/2669219

#SPJ1

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X=5 if you solve the equation 20=8x/2
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3 years ago
8x+4y=-2<br> -12x+5y=-8<br> What is the answer
tester [92]

Answer:

x= 1/4 .....................

y=-1

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Lucas took out a car loan for $14,475 that has a 0% APR for the first 16
Fiesta28 [93]

Answer:

The answer is 44 months.

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60 months - 16 months = 44

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3 years ago
One day at football practice, Darrell, the kicker, punted the ball so that its height in feet above the ground was given by the
nika2105 [10]

When the football is 81 feet high, it will be √  3 / 8 seconds

<h3>Function</h3>

Function relates input to output. Therefore,

  • h(t)  = - 16t² + 75

Therefore,

t = number of seconds

h(t) = - 16t² + 75

h(t) = 81 ft

Therefore,

81 = - 16t² + 75

- 16t²  = 81 - 75

- 16t²  = 6

divide both sides by -16

t² = 6 / -16

t² = - 3 / 8

square root both sides

t = √  3 / 8 seconds

learn more on function here: brainly.com/question/4418459

6 0
2 years ago
The mean length of 6 childrens' big finger is 6.7cm.
yaroslaw [1]

Answer:

New mean length of these 17 people=11.62

Step-by-step explanation:

<em>Step 1: Determine the total length of children's fingers</em>

L=l×n

where;

L=total length (cm)

l=mean length (cm)

n=number of children

replacing;

L=6.7×6=40.2 cm

The total children's fingers length=40.2 cm

<em>Step 2: Determine the total length of adults fingers</em>

total length of adults fingers=mean length of adults fingers×number of adults

where;

mean length of adults=14.3

number of adults=11

replacing;

total length of adults fingers=(14.3×11)=157.3 cm

<em>Step 3: Determine the new mean length</em>

new mean length=total length of adults and children fingers/number of adults and children

where;

total length of adults and children fingers=157.3+40.2=197.5 cm

number of adults and children=11+6=17

replacing;

new mean length=197.5/17=11.62

7 0
3 years ago
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