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Zanzabum
3 years ago
11

A number is chosen at random from 1 to 10 find the probability of selecting a multiple of 3

Mathematics
2 answers:
Andrew [12]3 years ago
4 0
 a multiple of 3,3 6 and 9. since there are 10 options, you have a 3 in 10 of a  chance of getting a multiple of 3
Alexxandr [17]3 years ago
3 0
The probability is 3/10. Reason being is that between 1 and 10, there are three numbers that are a multiple of 3. 3 6 and 9. since there are 10 options, you have a 3 in 10 chance of getting a multiple of 3
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If a semi circle has a diameter of 5 m what is the area?
klasskru [66]

Answer:

Exact answer = 10.41666666666666666666666666666pi

Estimated answer = 32.70938

Step-by-step explanation:

Semi circle formula: 1/2 * 4/3 * pi * r^3

r = 2.5

1/2 * 4/3 * pi * 2.5^3

2/3 * pi * 2.5^3

2/3 * pi * 15.625

10.416..... * pi

Exact answer = 10.417pi

We can estimate pi as 3.14

So, 10.417 * 3.14 = 32.70938

Exact answer = 10.41666666666666666666666666666pi

Estimated answer = 32.70938

8 0
3 years ago
5/10+13/100 <br> what is the value of the expression
cluponka [151]

Answer:

63/100

Step-by-step explanation:

6 0
2 years ago
I need this answered
Kitty [74]
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8 0
3 years ago
the food bill for meal at a restaurant is $12. THe sales tax is 6.5%, and you leave 15% tip. Wat is the total cost of the meal?
jeka57 [31]

Answer:

Step-by-step explanation:

12*6.5%=0.72

12+15%=13.8

0.72+13.8=14.52

6 0
1 year ago
Use the formula A = P(1 + r)" to solve.
Llana [10]

Answer:

Rate = 0.45 or 45%.

Step-by-step explanation:

20184 = 9600(1 + r)^2

(1 + r)^2 = 20184/9600 = 2.1025

Taking square roots of both sides:

1 + r = 1.45

r = 1.45 - 1 = 0.45.

7 0
2 years ago
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