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alex41 [277]
3 years ago
12

HELP ME WITH THIS QUESTION PLEASE!!!!!!!!!!!!

Mathematics
1 answer:
NeX [460]3 years ago
4 0

50 maybe

Step-by-step explanation:

because 200 lollipops 4 in each bag

And 150 pencils 3 in each bag

(i dont think this is right)

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In the diagram find the area of DEF
Agata [3.3K]

Answer:

Im sorry Im not sure

Step-by-step explanation:

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3 years ago
If c(x) = 4x – 2 and d(x) = x^2 + 5x, what is (c * d) (x)?
anyanavicka [17]

Answer:

(4x - 2)(x^2 + 5x)

4x^3 + 20x^2 - 2x^2 - 10x

4x^3 + 18x^2 - 10x

Step-by-step explanation:

7 0
3 years ago
Jeanne has many nickels, dimes, and quarters in her wallet. She chooses 3 coins at random. What is the probability that all thre
Whitepunk [10]

Answer:

Step-by-step explanation:

There isn't enough said about the distribution of coins in her wallet, but we'll just assume that the number is so large that any coin is equally likely to be drawn.

Stated another way, there are 27 possible outcomes of the three draws (3 x 3 x 3) and we'll assume each is equally likely.

PROBLEM 1:

This is a conditional probability question. We only have to consider the cases where she could have drawn 2 quarters and another coin. The possible draws are:

DQQ, NQQ, QDQ, QNQ, QQD, QQN or QQQ*.

That's 7 possible draws (with equal probability) and only 1* of them is a draw with 3 quarters.

Answer:

P(three quarters given two are quarters) = 1/7

PROBLEM 2:

Again, this is conditional probability. To help count the ways, let's instead count the ways to *not* draw any dimes. That means you have 2 choices for the first coin, 2 choices for the second coin and 2 choices for the third coin.

So 8 out of the 27 draws would *not* contain a dime. By subtracting, we can see that 19 of the draws *would* contain at least one dime.

Now think of the ways to create a draw consisting of one of each coin. We have the 3 different coins and they can be drawn in any order. That would be 3! or 6 ways.

If that isn't clear, let's list them all out:

DDD, DDN, DDQ, DND, DNN, DNQ*, DQD, DQN*, DQQ, NDD, NDN, NDQ*, NND, NQD*, QDD, QDN*, QDQ, QND*, QQD

There are 19 possible outcomes with at least one dime and exactly 6 of them have one of each type.

P(all different given at least one is a dime) = 6/19

3 0
3 years ago
Which relation has a domain of (2, 4) and a rang of (2, 8)
Brums [2.3K]
Domain: x values
Range: y values
The relation would need to have (2, y) and (4, y). And also (x, 2) and (x, 8)
See which ones match

Solution: B
7 0
3 years ago
A concert promoter charges $65 per ticket for a concert. The promoters cost will be $5500 plus $4 per ticket.
otez555 [7]

Let the number of units sold be n

Revenue = 65*n

Cost function = 5500 +4*n

Profit function = Revenue - Cost

=65n -(5500+4n)

61n-5500
 

6 0
3 years ago
Read 2 more answers
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