Svetakotok

05.05.2020 • 

Mathematics

8
Quinn lives in a house with a value of $235,000. She has a mortgage of $170,000. She owes $5,900 on her car, which is valued at $17,900. She has a credit card balance of $823. Quinn also has $1,200 in a bank account. What is Quinn’s net worth?

A
$76,177

B
$77,377

C
$82,900

D
$84,100

9
Trisha bought a flower vase that costs $25 and a rug that costs $48, not including tax. She received a 5% discount on the cost of the flower vase and a 10% discount on the cost of the rug.

What is the cost for both items that Trisha bought after the discount, not including tax?

A
$62.05

B
$66.95

C
$68.10

D
$79.05

10
Agnes put $500 into an account that earns 2% simple annual interest. How much money will she have in the account after 6 years if she makes no withdrawals or deposits?

A
$60

B
$560

C
$1,100

D
$6,500

Ответ:

ashley4329

19.01.2020

Mathematics

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Let denote the event that UTC beats Marshall, so that , and let denote the event that UTC beats Furman, so that . We're told that the UTC has a probability of beating both Marshall and Furman.

So, by the definition of conditional probability, the probability of UTC beating Furman after having beaten Marshall is

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