You pay 11% tax on a purchase. The amount of tax you pay ends up being $16.50. What was your TOTAL payment.

Mathematics

2 answers:

sineoko [7]3 years ago

7 0

$18.32
16.50 and multiply it by 1.11 for the 11% which gets you 18.315 and round it up to make 18.32

jeka57 [31]3 years ago

3 0

Answer:

150

Step-by-step explanation:

16.5/0.11

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on the first day of the year, you have $700 in your bank account. you spend $35 per week. your friend starts the year with $450

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5weeks
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3 years ago

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Suppose you pick two cards from a deck of 52 playing cards. What is the probability that they are both queens?

photoshop1234 [79]

Answer:

0.45% probability that they are both queens.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes

The combinations formula is important in this problem:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

Desired outcomes

You want 2 queens. Four cards are queens. I am going to call then A,B,C,D. A and B is the same outcome as B and A. That is, the order is not important, so this is why we use the combinations formula.

The number of desired outcomes is a combinations of 2 cards from a set of 4(queens). So

$D = C_{4,2} = \frac{4!}{2!(4-2)!} = 6$