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Pani-rosa [81]
2 years ago
15

20 tennis balls cost 8.20 find the cost of five

Mathematics
2 answers:
Dominik [7]2 years ago
6 0
To do this, we must find the unit rate. 20 / 8.20 = $2.44

Now, we multiply that by 5, and that gives us $12.20

5 balls cost $12.20
tatyana61 [14]2 years ago
6 0
Here is your answer:

If 20 tennis balls cost 8:20$ then divide 20 by 8.20:

First set up the equation:

20.00÷8.20=

Now solve:

20.00÷8.20=2.433902439

Or 2.43

Your answer is 2.43$ for five balls!

Hope this helps!

Have a great day!
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The possible values for X is: {0,1,2,3,....,12}

Yes, it is a discrete random variable.

Step-by-step explanation:

Consider the provided information.

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Discrete variables are which can only take on a finite number of values.

Let the variable X be the number of unbroken eggs in a randomly chosen standard egg carton.

In a standard egg carton we can put 12 eggs.

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The number of unbroken eggs (X) can take infinite values, thus by the above definition it is a discrete random variable.

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2 years ago
What is the factored form of 30x2 - 25x -30?
Setler79 [48]

Answer:

Step-by-step explanation:

Here are some steps to help you

Step 1

30x2 - 25x -30  Factoring

Step 2

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Question 7 of 10
Gelneren [198K]

The group of values plugged into the TVM Solver of a graphing calculator that will return the amount of a 25-year loan with an APR of 16.8%, that is paid off with monthly payments of $340 is:

A. N=300; 1%-1.4; PV = PMT=-340; FV=0; P/Y=12; C/Y=12;PMT:END

What is monthly compounding?

Monthly compounding in this case the number of payments would be the number of monthly payments in 25 years, which is 300 monthly payments(i.e. 12*25=300), this means that options B and D are obviously incorrect because number of payments, N is given as 25( 25 years instead of 300 months)

What is monthly interest rate?

The monthly interest is the annual interest rate of 16.8% divided by 12, which is 1.40%, in short, option C is also wrong because I/Y(monthly interest rate) was as shown as an interest rate of 16.8% instead of 1.40%

Overall, the correct option is A, because the number of payments and interest rate were stated correctly, unlike other options that were incorrectly written

Find out about more about TVM Solver notations on:brainly.com/question/14586708

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