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3 years ago

You have $20 in your wallet. you are out shopping at a video store with a friend, and see a dvd you want, but it costs $32.

Mathematics

1 answer:

fredd [130]3 years ago

5 0

Given:

20$

DVD cost = 32$

Friend’s loan = 12$ (since he loaned you enough money to be able to pay for the DVD)

Find:

available funds after you buy the DVD = ?

<span>Solution:

First, we add your current funds with the money your friend loaned you:

20$ + 12 $ (we will assume this amount since the problem states that he loaned you just enough money to pay for the DVD) = 32$</span>

Next, we subtract the total amount of the DVD cost to the total amount of money you have right now:

$32 (DVD cost) - $32 (your total funds) = $0

Therefore, your available funds after buying the DVD is $0. But if we will take into consideration the amount you loaned from your friend by subtracting it to your remaining funds, then you’ll have $0 - $12 = $-12, which is your debt.

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saw5 [17]

Answer:

On average the carnival gain on each play

= 0.04 dollars

Step-by-step explanation:

Given that a pond contains 100 fish: 78 purple, 21 blue, and 1 silver.

Fish Purple Blue Silver total

Frequency 78 21 1 100

Prob 0.78 0.21 0.01 1

Revenue 0.4 0.8 13

game fee 0.65 0.65 0.65

Net revenue -0.25 0.15 12.35

Net Rev*Prob -0.195 0.0315 0.1235 -0.04

Thus we get per player expected net revenue is -0.04

This would be gain for Carnival

Hence On average the carnival gain on each play

= 0.04 dollars

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3 years ago

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katrin [286]

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2 years ago

A polygon that has all angles the sane is said to be

aivan3 [116]

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2 years ago

A recipe for bran muffins calls for 2 1/2 cups of bran flakes. The recipe yields 9 muffins. How much bran flakes should be used

kolbaska11 [484]

10/3 bran flakes can make a dozen muffins

A recipe requires 2 1/2 cups of bran flakes

The recipe can make 9 muffins

Let's calculate the amount of bran flakes it will take to make 1 muffin

5/2 = 9

x= 1

cross multiply

9x= 5/2

x= 5/18

A dozen is 12, the number of bran flakes to make a dozen can be calculated as follows

5/18= 1

y= 12

cross multiply

y= 5/18 × 12

y= 10/3

Hence it will take 10/3 to make a dozen muffins

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1 year ago

The Johnson Farm has 500 acres of land allotted for cultivating corn and wheat. The cost of cultivating corn and wheat (includin

babunello [35]

Answer:

He should plant 100 acres of corn and 400 acres of wheat.

Step-by-step explanation:

This problem can be solved by a siple system of equations.

]x denotes the number of acres of corn

y denotes the number of acres of wheat

Building the system:

The Johnson Farm has 500 acres of land allotted for cultivating corn and wheat. This means that:

$x + y = 500$

The cost of cultivating corn and wheat (including seeds and labor) is $42 and $30 per acre, respectively. Jacob Johnson has $16,200 available for cultivating these crops. This means that:

$42x + 30y = 16,200$