3 years ago

What is the prefix of kilometer?

Mathematics

2 answers:

PilotLPTM [1.2K]3 years ago

6 0

Prefix: Kilo (k) (Notice the k is lowercase)
Base: Meter

Sidana [21]3 years ago

4 0

You may write like this hW = 169 000 mm = 16 900 cm = 169 m = 0.169 km using themillimeter (SI prefix milli, symbol m), centimeter (SI prefix centi, symbol c), or kilometer (SI prefix kilo, symbol k). This exmaple Would be the correct one.

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A building company bids on two large projects. The CEO believes the chance of winning the 1st is 0.6, the chance of winning the

Ksju [112]

Answer:

0.8

Step-by-step explanation:

A: P(1) = .6, P(2) = .5, P(1 and 2) = .3

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4 0

3 years ago

The expression cosine of pi over 2 times cosine of pi over 3 plus sine of pi over 2 times sine of pi over 3 can be rewritten as

9966 [12]

Solution:

Given;

$\cos\frac{\pi}{2}\cos\frac{\pi}{3}+\sin\frac{\pi}{2}\sin\frac{\pi}{3}$

Using the identities;

Thus;

$\begin{gathered} \cos\frac{\pi}{2}\cos\frac{\pi}{3}+\sin\frac{\pi}{2}\sin\frac{\pi}{3}=\cos(\frac{\pi}{2}-\frac{\pi}{3}) \\ \\ \cos\frac{\pi}{2}\cos\frac{\pi}{3}+\sin\frac{\pi}{2}\sin\frac{\pi}{3}=\cos(\frac{\pi}{6}) \end{gathered}$

CORRECT OPTION: A