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2 years ago

10

If you know that two legs of a right triangle are 7 and 16 units long, what is the triangle's area? If necessary, round your ans

wer to two decimal places.

1 answer:

gizmo_the_mogwai [7]2 years ago

5 0

The answer is always A

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2 years ago

34/23 as a decimal rounded to the nearest tenth

Ainat [17]

Answer:

1.5

Step-by-step explanation:

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2 years ago

How many 10-digit ternary strings are there that contain exactly two 0s, three 1s, and five 2s?

Svet_ta [14]

There are $\dbinom{10}2$ ways of picking 2 of the 10 available positions for a 0. 8 positions remain.

There are $\dbinom83$ ways of picking 3 of the 8 available positions for a 1. 5 positions remain, but we're filling all of them with 2s, and there's $\dbinom55=1$ way of doing that.

So we have

$\dbinom{10}2\dbinom83\dbinom55=\dfrac{10!}{2!(10-2)!}\dfrac{8!}{3!(8-3)!}\dfrac{5!}{5!(5-5)!}=2520$

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2 years ago

The sum of two numbers is 17. Their difference is 3. Find the numbers.

Afina-wow [57]

Answer: 7 & 10

Step-by-step explanation:

7+10=17

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2 years ago

Read 2 more answers

Evaluate the following expression. cos135°

Mrac [35]

Negative 1 / Square Root of 2

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3 years ago