2 years ago

A die with 12 sides is rolled. What is the probability of rolling a number less than 11?

Mathematics

1 answer:

jeyben [28]2 years ago

5 0

Answer:

83 1/3%

Step-by-step explanation:

List the possible answers.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

There is 12 possible results. Now count how many of those results are less than 11. The answer is 10. 10/12 results are less than 10. 10 divided by 12 is 83 and 1/3.

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What is 7 times ten to the first place

algol [13]

700

Step-by-step explanation:

you just take 10 times it by itself 1 time you get 100 then you times it by 7

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2 years ago

A student gets 68 marks n therefore gets 85 percent total marks are?

mihalych1998 [28]

Answer:

There are 80 marks in total.

Step-by-step explanation:

Let the number of total marks be $x$ .

The percentage score of the student can be written as the ratio

$\displaystyle \frac{68}{x} = 85\%$ .

However,

$\displaystyle 85\% = \frac{85}{100}$ .

Equating the two:

$\displaystyle \frac{68}{x} = \frac{85}{100}$ .

Cross-multiply (that is: multiple both sides by $100x$ , the product of the two denominators) to get

$85x = 68\times 100$ .

$\displaystyle x = \frac{68\times 100}{85} = 80$ .

In other words, there are 80 marks in total.

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3 years ago

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Aloiza [94]

Answer:

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2 years ago

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That's like 20 degrees

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3 years ago

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Amya spends 2 hours doing her homework. She daydreams about a robot that could do her homework in 10 minutes. If Amya did have t

ryzh [129]

Answer:

t=34.64 mins

Step-by-step explanation:

let Arya be A, Robot be B and Combined time be t

$A+B=\frac{1}{t}\\A=\frac{1}{t+120}\\B=\frac{1}{t+10}\\\frac{1}{t+10}+\frac{1}{t+120}=t\\\frac{1}{t+10}=\frac{t+120-t}{t+120}\\t^2+120t=120t+1200\\t^2=1200\\t=34.6410$

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2 years ago