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LiRa [457]
3 years ago
5

Three examples of discrete variables ​

Mathematics
1 answer:
CaHeK987 [17]3 years ago
7 0

Answer:

Step-by-step explanation:

Discrete Variables can meaningfully have only specific values:

Number of coin flips: 4.

Number of books published: 2.

Distance walked, rounded to the nearest kilometer: 3

(Must be rounded up or down)

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Andrew [12]

Answer:

  • 24 ounces of solution B
  • 16 ounces of solution A

Step-by-step explanation:

The largest contributor of salt to the mix is the 45% solution (B), so we'll let our variable (b) represent the quantity of that. The total amount desired is 40 ounces, so the quantity of solution A is (40-b) ounces. Then the amount of salt in the mix is ...

  0.45b +0.20(40-b) = 0.35(40)

Simplifying and subtracting 0.20(40), we get ...

  0.25b = 0.15(40)

  b = 40(.15/.25) = 24

  (40-b) = 16

The scientist should use 24 ounces of Solution B and 16 ounces of Solution A.

5 0
3 years ago
3 Select the correct answer. Given: Prove: Statements Reasons 1. given 2. application of the slope formula 3. distance from to e
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Answer:

1 answer I don't now

Step-by-step explanation:

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7 0
2 years ago
What is the next three terms in sequence of 8, 20, 50
krek1111 [17]
This sequence is doubling the sequence and adding half.  When n is your number, you could find the next number in your sequence by plugging in the number:

2n+0.5n

To find the 4th term, we need to plug in 50.

2*50+0.5*50=125

Now, we need to find the 5th term, so we plug in 125.

2*125+0..5*125=312.5

To find the 6th term, we plug in 312.5.

2*312.5+0.5*312.5=781.25

So, the next 3 terms are 125, 312.5, and 781.25


6 0
3 years ago
How many tens are in 30 ones?
Degger [83]
There are 3 tens in one because 10 plus 10 plus 10 is 30.
6 0
3 years ago
Read 2 more answers
The weekly profit, In dollars, of a store in the past twelve weeks is shown below.
pochemuha

Answer:

A. $213.75

Step-by-step explanation:

If we add up all the numbers listed, we get a sum of 2565.

Divide $2,565 by how many numbers we added. We added 12 numbers.

2,565 ÷ 12 = 213.75.

Therefore, the average is $213.75.

3 0
2 years ago
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