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Alika [10]
1 year ago
10

A bake shop sells twenty different kinds of pastries. Twelve of them were chocolate. Zack randomly buys eight kinds of pastries.

What is the chance that four of them will be chocolate
Mathematics
1 answer:
MakcuM [25]1 year ago
7 0

Answer:

Just look at the other answer

Step-by-step explanation:

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In order to remove water from a flooded basement, two pumps, each rated at 40 gallons per minute, are used. After half an hour,
Scrat [10]

Answer:

3600 gallons of water was removed from the basement.

Step-by-step explanation:

Given:

Rate of each pump = 40 gallons/min

We need to find find the number of gallons of water removed from the basement.

Solution:

Now Given:

After half an hour, the one pump burns out.

Now we know that;

1 hour = 60 mins

\frac12 hour = \frac{60}{2}=30\ mins

Now for 30 mins both the pumps were working and removing the water.

So we can say that;

Water remove for first 30 mins = 40\times2\times30=2400\ gallons

Also Given:

the second pump finishes removing the water half an hour later.

So we can say that;

Water removed for next 30 mins = 40\times 30\times1 =1200\ gallons

Now we can say that;

Total water removed from the basement is equal to sum of Water remove for first 30 mins and Water removed for next 30 mins .

framing in equation form we get;

Total water removed from the basement = 2400+1200=3600\ gallons.

Hence 3600 gallons of water was removed from the basement.

6 0
3 years ago
Evaluate the piecewise function below for f(3):
gregori [183]
F(3)={2(3)-9}
F(3)={6-9}
F(3)={-3}
8 0
3 years ago
The English measurement system is primarily used by what country. a. england b .united states c. ireland d. italy i say its b
AysviL [449]
B. United States enjoy
5 0
3 years ago
Read 2 more answers
What's the answer to this question
jasenka [17]
Tan w=20/83
inverse tan 20/83=13.55 degrees
3 0
3 years ago
Determine the intercepts of the line -5x-4y=10
Alexxandr [17]

Answer:  

The <em>y </em>-intercept is: (0,−2.5)  

The <em>x </em>-intercept is: (−2,0)

Step-by-step explanation:

7 0
3 years ago
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