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kogti [31]
3 years ago
11

A mixture of gasoline and oil is supposed to contain K ounces of oil for every gallon of gasoline.

Mathematics
1 answer:
Masteriza [31]3 years ago
4 0

1,K

i have ttm and plus im smart

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Diana bought a car for $5000 and plans to sell it to make a 20% profit. What should she sell it for to make the profit she desir
nalin [4]
You need to know 20% of $5000.  "Of" means "times".  

$5000 x 0.20 (which is 20% written as a decimal)

=$1000 profit she wants to make

$5000 (original price) + $1000 (profit) = $6000 (sale price)
4 0
3 years ago
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A).
insens350 [35]

Answer:

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Step-by-step explanation:

6 0
3 years ago
In a doctor's waiting room, there are 14 seats in a row. Eight people are waiting to be seated. Three of the 8 are in one family
lianna [129]
There are 14 chairs and  8 people to be seated. But among the 8. three will be seated together:

So 5 people and (3) could be considered as 6 entities:

Since the order matters, we have to use permutation:

¹⁴P₆ = (14!)/(14-6)! = 2,162,160, But the family composed of 3 people can permute among them in 3! ways or 6 ways. So the total number of permutation will be ¹⁴P₆  x 3! 

2,162,160 x 6 = 12,972,960 ways.

Another way to solve this problem is as follow:

5 + (3) people are considered (for the time being) as 6 entities:

The 1st has a choice among 14 ways
The 2nd has a choice among 13 ways
The 3rd has a choice among 12 ways
The 4th has a choice among 11 ways
The 5th has a choice among 10 ways
The 6th has a choice among 9ways

So far there are 14x13x12x11x10x9 = 2,162,160 ways
But the 3 (that formed one group) could seat among themselves in 3!
or 6 ways:

Total number of permutation = 2,162,160 x 6 = 12,972,960

4 0
3 years ago
Gina wants to take dance classes. She compares two dance studios to determine which has the best deal for her. Dance World charg
jonny [76]

Answer:

The correct answer is A: 10

Step-by-step explanation:

Same Question : brainly.com/question/17110602

4 0
2 years ago
I need help asap please? and this is for math? what is 4-5+8x8/4?
Zanzabum

Answer:

the answer is 50 hope this helps

Step-by-step explanation:

4-5=-1

-1+8=7

7+8x8= ?

15x8=120

120/4=50

3 0
2 years ago
Read 2 more answers
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