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3 years ago

if you have 12 different cars and can only place 4 of them into the show case at one time. how many ways could you display them

Mathematics

1 answer:

PilotLPTM [1.2K]3 years ago

6 0

Answer:

You could arrange them 3 different ways <em>at once</em>.

Step-by-step explanation:

You have 12 different cars, but only 4 can be shown at once.

Divide 12 by 4, and you'll get 3.

Therefore, if you wanted to show them all at once, you could make 3 different displays.

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Container 1 has 8 items, 3 of which are defective. Container 2 has 5 items, 2 of which are defective. If one item is drawn from

e-lub [12.9K]

Answer:

The required probability is $\frac{19}{40}$

Step-by-step explanation:

The probability of obtaining a defective item from container 1 is $P(E_1)=\frac{3}{8}$

The probability of obtaining a good item from container 1 is $P(E_1)=\frac{5}{8}$

The probability of obtaining a defective item from container 2 is $P(E_1)=\frac{2}{5}$

The probability of obtaining a good item from container 2 is $P(E_1)=\frac{3}{5}$

The cases of the event are

1)Defective item is drawn from container 1 and good item is drawn from container 2

2)Defective item is drawn from container 2 and good item is drawn from container 1

Thus the required probability is the sum of above 2 cases

$P(Event)=\frac{3}{8}\times \frac{3}{5}+\frac{5}{8}\times \frac{2}{5}=\frac{19}{40}$

4 0

3 years ago

Louis can bake 60 muffins in 1 hour. A large company ordered 300 muffins. How many hours will it take for Louis to bake enough m

aleksandrvk [35]

It will take 5 hour. 300 divided by 60 is 5

4 0

1 year ago

C an some one help me<br>

Pavlova-9 [17]

Answer:

Step-by-step explanation:

8 0

3 years ago

Write an equation of the line with a slope of — 7 and y-intercept of 1.

loris [4]

Answer:

y= -7x + 1

Step-by-step explanation:

this is the answer

7 0

3 years ago

5. photo album: $25.50, 10% markup

sasho [114]

Answer:

$28.05

Step-by-step explanation:

If you want to find how much the photo album is after the markup, you first have to find 10% of the original price. 10% of $25.50 is $2.55, so you add $2.55 and $25.50 to find the price after the markup.

Hope this helps!

3 0

2 years ago