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3 years ago

8

A raffle is held by the MSUM student association to draw for a $1000 plasma television. Two thousand tickets are sold at $ 1.00

each. Find the expected value of one ticket.

1 answer:

-Dominant- [34]3 years ago

7 0

I think 50 cents, as the prize is worth $1000, divide by 2000 times 1 you get .5

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A committee must be formed with 4 teachers and 5 students. If there are 11 teachers

Ivenika [448]

Answer:

11C4 × 11C5

$\binom{11}{4} \times \binom{11}{5} = \frac{11 \times 10 \times 9 \times 8}{4 \times 3 \times 2 \times 1} \times \frac{11 \times 10 \times 9 \times 8 \times 7}{5 \times 4 \times 3 \times 2 \times 1} = 330 \times 462 = 152460$

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1 year ago

Evaluate n+2x2 when n=3 and x=−2.

krok68 [10]

Answer:

When n=3 and x=−2 the answer is 11.

Step-by-step explanation:

Given:

Let p (n,x) be the function such that

$p (n,x) = n + 2x^{2}$

To Find:

p (n,x) = p ( 3, -2) = ?

Solution:

$p (n,x) = n + 2x^{2}$

Substituting n = 3 and x = -2 we get

$p (3, -2) = 3 + 2(-2)^{2}$

Negative square gives positive number therefore (-2)²=4

$p (3, -2) = 3 + 2\times 4$

$p (3, -2) = 3 + 8\\p (3, -2) = 11$

When n=3 and x=−2 the answer is 11.

7 0

3 years ago

Deon bought 26 pounds of rice for $11 . how many pounds of rice did he get per dollar?

ivanzaharov [21]

For $11, he bought = 26 pounds
so, for 1, it would be: 26/11 = 2.36

In short, Your Answer would be 2.36

Hope this helps!

5 0

3 years ago

Pls help 20 points <br><br> 7th grade math

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Answer:

no

Step-by-step explanation:

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3 years ago

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Ivenika [448]

Answer:

Step-by-step explanation:

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