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zheka24 [161]
2 years ago
10

Part A -

Mathematics
1 answer:
Temka [501]2 years ago
6 0

Answer:

I love the fact you have a right now and you know that you have a right now and I will be happy with the offer of your services to you and your company and I hope to be the one to assist with the process and I can spend some more work to help you

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Evaluate the expression when a=3 and b=4<br><br> 2a2 + b =
dedylja [7]

Answer: 16

Step-by-step explanation:

2x3x2+4

6x2+4

12+4

16!

3 0
3 years ago
The abc store sold 142 c.d.'s at $10.50 each, 80 audio tapes which cost $8.00 a price, 30 videos priced at $15.00 each and $150
Lina20 [59]

Answer:

2731

Step-by-step explanation:

Mark me brainiest

7 0
3 years ago
Whats the output when the input is 1234n and the output is 10 12 14 16.
Grace [21]

Answer:

y=2x+8

Step-by-step explanation:

Alright so, to find the equation, we need to find the slope first. We can do that by turning the input and output into coordinates.

(1,10) and (2,12)

To find the slope, we do:

\frac{12 - 10}{2 - 1}

Which equals to 2

So right now we can say that the equation is:

y=2x+b

In order to find b, the constant, we just need to plug in the y values and x value of a coordinate:

10=2(1)+b

10=2+b

8=b

So now we can say that the equation is:

y=2x+8

4 0
3 years ago
10 1/2 x 2 2/3=<br><br>3 1/3 x 4 2/7=<br><br>7/2 - 4/5=
Ira Lisetskai [31]
10 1/2 x 2 2/3= 28, 3 1/3 x 4 2/7= 14.2857142857, 7/2 - 4/5= 2.7
5 0
3 years ago
A raffle offers a first prize of $1000, 2 second prizes of $300, and 20 third prizes of $10 each. If 20000 tickets are sold at 2
Shalnov [3]

Answer:

The expected winnings for a person buying 1 ticket is -0.2.                  

Step-by-step explanation:

Given : A raffle offers a first prize of $1000, 2 second prizes of $300, and 20 third prizes of $10 each. If 20000 tickets are sold at 25 cents each, find the expected winnings for a person buying 1 ticket.

To find : What are the expected winnings?    

Solution :

There are one first prize, 2 second prize and 20 third prizes.

Probability of getting first prize is \frac{1}{20000}

Probability of getting second prize is \frac{2}{20000}

Probability of getting third prize is \frac{20}{20000}

A raffle offers a first prize of $1000, 2 second prizes of $300, and 20 third prizes of $10 each.

So, The value of prizes is

\frac{1}{20000}\times 1000+\frac{2}{20000}\times 300+\frac{20}{20000}\times 10

If 20000 tickets are sold at 25 cents each i.e. $0.25.

Remaining tickets = 20000-1-2-20=19977

Probability of getting remaining tickets is \frac{19977}{20000}

The expected value is

E=\frac{1}{20000}\times 1000+\frac{2}{20000}\times 300+\frac{20}{20000}\times 10-\frac{19977}{20000}\times 0.25

E=\frac{1000+600+200-4994.25}{20000}

E=\frac{-3194.25}{20000}

E=-0.159

Therefore, The expected winnings for a person buying 1 ticket is -0.2.

3 0
3 years ago
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