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Brums [2.3K]
3 years ago
9

A store sells 12 cans of nutsnuts for ​$15. How much would it cost you to buy 7 cans of nutsnuts​?

Mathematics
1 answer:
Len [333]3 years ago
4 0
The ratio cans to price are 12/15.
Cross multiply: 12/15 * 7/x = 84/15x = x = 5.6
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A gambler playing blackjack in a casino using four decks noticed that 20% of the cards that had been dealt were jacks, queens, k
Ksenya-84 [330]

Answer:

x = 162 cards need to be dealt with

Step-by-step explanation:

Given:

- Estimation of likelyhood of next card to be queen, a king, or an ace:

                                  ( 64 - 0.2*x ) / ( 208 - x )

Find:

For what values of x is this likelihood greater than 70%?

Solution:

- Use the likely-hood estimation relation and set up the inequality as follows:

                                 ( 64 - 0.2*x ) / ( 208 - x ) > 0.7

                                 ( 64 - 0.2*x ) > 0.7*( 208 - x )

                                   64 - 0.2*x > 145.6 - 0.7*x

                                          0.5*x > 81.6

                                                 x > 163.2

- It would require 162 cards to be dealt with for the probability of next card being queen, a king, or an ace is greater than 70%

6 0
3 years ago
A water park sells 168 tickets. Each ticket costs $12. What is the total cost of the tickets sold?
padilas [110]

Answer:

The total cost of tickets sold is $2016.

Step-by-step explanation:

What I did to get this answer was multiply 168 and 12

Hopes everyone has a good day, and plz stay safe :)

4 0
3 years ago
Read 2 more answers
Determine the values of k for which the equation has no solution
Naddik [55]

To solve this, we would need to figure out the values of k for which an absolute value is negative. From basics, you should know that an absolute value is always greater than or equal to 0.

If we rearrange this equation a little bit, we get,

|2x+7|\leq 5+k

So 5+k <em>cannot </em>be negative. So,

5+k\geq 0\\k\geq -5

For this to <em>have </em>a solution, k needs to be greater than or equal to -5.

For <em>no solution</em>, k is less than -5. So, values of k which will make the equation to <em>not </em>have any solution is k.

ANSWER:  k

5 0
3 years ago
Brainly!
bezimeni [28]

Answer:

1/15

Step-by-step explanation:

There are a total of 10 fruits, 3 of which are apples.

The probability that the first selection is an apple is 3/10.

There are now 9 fruits remaining, 2 of which are apples.  So the probability that the second fruit is an apple is 2/9.

The total probability is (3/10) (2/9) = 1/15.

5 0
3 years ago
Rsm geo lol- no idea how to start or do it at all
jek_recluse [69]

Answer:

42, 138, and 138 degrees DON'T FORGET THE DEGREES SIGNS!!!!!

Step-by-step explanation:

Using vertical angles theorem, we can get another 42, 180-42, and 180-42.

So we have 42, 138, and 138

7 0
3 years ago
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