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3 years ago

The sum of an irrational number and an irrational number is irrational.

Mathematics

1 answer:

kherson [118]3 years ago

4 0

Answer:

sometimes!

Step-by-step explanation:

Irrational just means it has a decimal

EX: 3.34 is irrational

BUT 74 is rational

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Annette [7]

Step-by-step explanation:

2(4*6/2)+2(11*6/2)=24+66=90

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3 years ago

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The lyric, "Historians research more than just the word of one/To learn all sides of history" most closely means that

Ymorist [56]

Answer:

I would say C

Step-by-step explanation:

I said C because when people look for information they look at different sources instead of just one.

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3 years ago

Find the distance: C= (7,-4) and D=(-8,-5)

pashok25 [27]

Answer: c=(7,−4) d=(−8,−5) c = ( 7 , - 4 ) d = ( - 8 , - 5 ) ...

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4 years ago

As Venus revolves around the sun, it travels at a speed of approximately 22 miles per second. Convert this speed to kilometers p

Tema [17]

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Thank you!

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3 years ago

Verify the identity. 4 csc 2x = 2 csc2x tan x

vlada-n [284]

Step-by-step explanation:

$4csc(2x) = 2csc^2(x) tan(x)$

We start with Left hand side

We know that csc(x) = 1/ sin(x)

So csc(2x) is replaced by 1/sin(2x)

$4 \frac{1}{sin(2x)}$

Also we use identity

sin(2x) = 2 sin(x) cos(x)

$4 \frac{1}{2sin(x)cos(x)}$

4 divide by 2 is 2

Now we multiply top and bottom by sin(x) because we need tan(x) in our answer

$2\frac{1*sin(x)}{sin(x)cos(x)*sin(x)}$

$2\frac{sin(x)}{sin^2(x)cos(x)}$

$2\frac{1}{sin^2(x)} \frac{sin(x)}{cos(x)}$

We know that sinx/ cosx = tan(x)

Also 1/ sin(x)= csc(x)

so it becomes 2csc^2(x) tan(x) , Right hand side

Hence verified

6 0

3 years ago