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mylen
13 days ago
6

You and your mom enter a drawing with 3 different prizes. A total of 9 people entered the drawing, and prizes are awarded random

ly. There are 504 ways to reward the prizes. What is the probability that you win first prize and tour mom wins second prize?
Mathematics
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The function f(x)=-x^2-2x+15 is shown on the graph. What are the domain and range of the function?
PIT_PIT [12445]

Réponse:

Le domaine est l'ensemble des nombres réels

y ≤ 16

Explication étape par étape:

Le domaine est l'ensemble des valeurs x que le graphe couvre. Il n'y a aucune restriction sur les valeurs x. Le domaine est l'ensemble des nombres réels.

La plage est l'ensemble des valeurs y que le graphe couvre. Les valeurs y atteignent au maximum 16 au sommet de la parabole. Ainsi, la plage est y ≤ 16.

3 0
2 months ago
Read 2 more answers
Ron randomly pulls a pen out of a box that contains 1 red, 2 black, and 3 blue pens. He does
AnnZ [12381]

Response:

The more trials conducted, the stronger the observed theoretical trend becomes

Stepwise explanation:

Firstly, we need to define the probabilities,

-Theoretical probability quantifies success versus total possible outcomes of an experiment.

-Experimental probability calculates the ratio of the desired outcome relative to the total attempts made in the experiment.

Accordingly, the reasoning that best supports this is that as the experiment is repeated, the experimental probability aligns more closely with the theoretical probability, because repetition increases the likelihood of achieving predicted results.

7 0
2 months ago
SALES Cars and trucks are the most popular vehicles. Last year, the number of cars sold was 39,000 more than three times the num
PIT_PIT [12445]

Given :

Miki possesses 104 nickels and 88 dimes. She intends to sort her coins into sets where each set has an equal count of both nickels and dimes.

Last year, 216,000 cars were sold.

To Find :

An equation that can identify the number of trucks, t, sold the previous year.

Solution :

Let t represent the quantity of trucks sold and c represent the cars sold.

The statement indicates that the quantity of cars sold exceeded three times the trucks sold by 39,000.

Thus,

c=3t+39000\\\\t=\dfrac{c-39000}{3}

Plugging the value of c = 216000 into the equation above yields :

t=\dfrac{c-39000}{3}\\\\t=\dfrac{216000-39000}{3}\\\\t=59000

This gives us the solution we seek.

​

8 0
4 months ago
A new factory is growing fast and hiring a lot of new workers. Every week, the total number of workers doubles in size. If it ta
Zina [12379]

We understand that the workforce increases twofold every week.

This means that the workforce from the previous week is precisely 50% of the current week's total.

Hence, it took a total of 11 weeks for the factory to reach half of its full capacity.

3 0
3 months ago
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