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1 year ago

You’re five neighboring restaurants charge $9.95, $12.95, 8.50, 8.95, and $10.54 hamburger special. What is the mean price

Mathematics

1 answer:

Maslowich1 year ago

7 0

$10.18 Add all the numbers then divide by the amount in this case 5

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Suppose you are running a racing tournament with 12 horses. All eligible horses run in the race at once, and after the first rac

borishaifa [10]

Answer:

a) 66

b) 45

Step-by-step explanation:

We have 12 horses and after the first race 2 of them have to be eliminated

that condition is equal to consider that 10 horses will be available for the second race.

The number of possiblities we have for the first race is the combination of 12 horses in group of 10

C¹²₁₀ = 12!/ (2!)* (12-2)! = 12*11/2 = 66

For the second race

C¹⁰₈ = 10! / 8! * (10-8)! = 10*9/ 2 = 45

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2 years ago

R . . V w l U i. a v w. v . Una It 3 A 1-

vovikov84 [41]

$7x^2 + 21 = 0\\\\7x^2 = -21\\\\x^2 = -\frac{21}{7}\\\\x^2 = -3\\\\x = \sqrt{-3}\\\\\boxed{\bf{x = i\sqrt{3}}}\\\\\boxed{\bf{x=-i\sqrt{3}}}$

8 0

2 years ago

What is the process to get 90 divided by 40

lorasvet [3.4K]

$\frac{90}{40} = \frac{9*10}{4*10} = \frac{9}{4} = 2.25$

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2 years ago

Denise has $78.22. she wants to buy a computer that cost $29.99. about how much money will denise has left

blsea [12.9K]

Denise has $50 left.

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2 years ago

It 3x - 2 = 7, then 3x = 9<br> is an example of the ?

vova2212 [387]

Answer:

Addition Property of Equality

Step-by-step explanation:

So we had:

$3x-2=7$

And then we got:

$3x=9$

We did this by adding 2 to both sides of the equation. When we added 2, the left side cancelled and the right side equated to 9:

$(3x-2)+2=(7)+2\\3x=9$

Since we added 2 to both sides, this is an example of the addition property of equality.

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2 years ago