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3 years ago

Evaluate n/6 + 2 when n=12

Mathematics

2 answers:

zloy xaker [14]3 years ago

7 0

If n=12 then

n/6 + 2
12/6 + 2
2+2
4

WINSTONCH [101]3 years ago

3 0

12/6 is 2

2 +2 is 4

The overall answer is 4

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Suppose that events a and b are mutually exclusive with p(a) = ½ and p(b) = ⅓.

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No, a & b are not independent if they're mutually exclusive.

Mutually exclusive means the two events cannot occur simultaneously. So if "a" happens "b" cannot. In contrast, two events are independent if the occurrence of one has no effect on the occurrence of the other.

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Read 2 more answers

Which group of three squares will form a right triangle when joined at their vertices?

Ilia_Sergeevich [38]

Answer:

Option ?) 17 cm, 15 cm, 8 cm

The assignment should have four options to choose from, but there is only a picture of two.

Step-by-step explanation:

None of the squares shown form a right triangle. To determine if sides form a right triangle, you use this formula:

a²+b²=c²

We are given two options in the picture.

Option A) 18, 10, and 8.

Option B) 12, 9, and 6.

So, now we need to apply the formula:

Option A)

║8² + 10² = 18²

↓

║64 + 100 = 324

↓

║FALSE

Option B)

║6² + 9² = 12²

↓

║36 + 81 = 144

↓

║FALSE

Both of these options are false. But, I decided to look up this assignment to check my answer. It turns out, there are 4 options, and you only had a picture of two. So, what's the answer?

There is an answer choice that shows 3 squares with the lengths of 17 cm, 15 cm, and 8 cm. This is the correct answer.

For proof, let's apply the formula:

Option ?)

║8² + 15² = 17²

↓

║64 + 225 = 289

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║TRUE

[Since the option isn't shown, I'll put a '?' so there is no confusion]

8 0

2 years ago

Need some more help please!

Vikki [24]

For this case we have that by definition $\pi$ equals 180 degrees.

We must convert 135 degrees to radians, then:

$135 * \frac {\pi} {180} =\\135 * \frac {3.14} {180} =\\\frac {423.9} {180} = 2.355$

Rounding off we have:

2.4 radians.

Answer:

2.4 radians

3 0

3 years ago