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3 years ago

What is 1/20 in mixed fraction easy points will give brainliest too if two people ansswers

1 answer:

4 0

That cannot be made into a mixed fraction it is simplified as best possible unless you would like to turn it into a decimal

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Please help I have 15 minutes!!!!!!!

DedPeter [7]

Answer:

NO WAIT NO IGNORE MY PREVIOUS ANSWER

NOT A FUNCTION

If you draw vertical lines on the dotted line, one line will intersect two parts of the dotted line, so it is not a function.

6 0

3 years ago

Need help with this question

GenaCL600 [577]

Hey there!!

How do you find slopes?

Ans - In order to find slope, we will need to use the slop formula which is

( y₂ - y₁ ) / ( x₂ - x₁ )

Now let's take two points on the graph

I would take the coordinates ( -2 , 4 ) and ( 4 ,1 )

Now plug in the values

y₂ = 1 , y₁ = 4 and x₂ = 4 , x₁ = -2

( 1 - 4 ) / ( 4 + 2 )

- 3 / 6

Hence the slope is -3/6 or -1/2 or -0.5

Hope my answer helps!!

8 0

3 years ago

Find the sum \[\sum_{k = 1}^{2004} \frac{1}{1 + \tan^2 (\frac{k \pi}{2 \cdot 2005})}.\]

vampirchik [111]

Answer:1002

Step-by-step explanation:

$\Rightarrow \sum_{k=1}^{2004}\left ( \frac{1}{1+\tan ^2\left ( \frac{k\pi }{2\cdot 2005}\right )}\right )$

and $1+\tan ^2\theta =\sec^2\theta$

and $\cos \theta =\frac{1}{\sec \theta }$

$\Rightarrow \sum_{k=1}^{2004}\left ( \cos^2\frac{k\pi }{2\cdot 2005}\right )$

as $\cos ^2\theta =\cos ^2(\pi -\theta )$

Applying this we get

$\Rightarrow \sum_{1}^{1002}\left [ \cos^2\left ( \frac{k\pi }{2\cdot 2005}\right )+\cos^2\left ( \frac{(2005-k)\pi }{2\cdot 2005}\right )\right ]$

every $\theta$ there exist $\pi -\theta$

such that $\sin^2\theta +\cos^2\theta =1$

therefore

$\Rightarrow \sum_{1}^{1002}\left [ \cos^2\left ( \frac{k\pi }{2\cdot 2005}\right )+\cos^2\left ( \frac{(2005-k)\pi }{2\cdot 2005}\right )\right ]=1002$

6 0

3 years ago

26 POINTS!!! BRAINLIEST TOO.

kiruha [24]

Answer:

Therefore option A.) 0 is correct.

Step-by-step explanation:

The graph is attached.

The solution of the equations as seen from the intersection of the equations in the graph is (0,2).

Therefore x = 0 is the solution which gives y = 2 for both equations.

Therefore option A.) 0 is correct.

5 0

3 years ago

A number os decreased by 1 2/3 and the result is -2 whats the number ?

mel-nik [20]

X - 1 2/3 = -2
x - 1 2/3 + 1 2/3 = -2 + 1 2/3
x = -1/3

8 0

3 years ago