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2 years ago

Help and make it correct please..

Mathematics

2 answers:

yaroslaw [1]2 years ago

7 0

Answer:

i think it's 1 1/2

Step-by-step explanation:

my bad if u get it wrong or anything

masya89 [10]2 years ago

5 0

Answer:

WHAT THE FHUCKKKKKKKKKK TYPA CHINESE ALGORITHIM IS DIS

Step-by-step explanation:

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Prove that :( 1 + 1/<img src="https://tex.z-dn.net/?f=tan%5E%7B2%7DA" id="TexFormula1" title="tan^{2}A" alt="tan^{2}A" align="ab

Aliun [14]

Answer:

See explanation

Step-by-step explanation:

Simplify left and right parts separately.

$\left(1+\dfrac{1}{\tan^2A}\right)\left(1+\dfrac{1}{\cot ^2A}\right)\\ \\=\left(1+\dfrac{1}{\frac{\sin^2A}{\cos^2A}}\right)\left(1+\dfrac{1}{\frac{\cos^2A}{\sin^2A}}\right)\\ \\=\left(1+\dfrac{\cos^2A}{\sin^2A}\right)\left(1+\dfrac{\sin^2A}{\cos^2A}\right)\\ \\=\dfrac{\sin^2A+\cos^2A}{\sin^2A}\cdot \dfrac{\cos^2A+\sin^A}{\cos^2A}\\ \\=\dfrac{1}{\sin^2A}\cdot \dfrac{1}{\cos^2A}\\ \\=\dfrac{1}{\sin^2A\cos^2A}$

<u>Right part:</u>

$\dfrac{1}{\sin^2A-\sin^4A}\\ \\=\dfrac{1}{\sin^2A(1-\sin^2A)}\\ \\=\dfrac{1}{\sin^2A\cos^2A}$

Since simplified left and right parts are the same, then the equality is true.

3 0

2 years ago

Which statements about opposites are true? 39 POINTS!

kramer

It only the last one.

Hope this helps :)

4 0

3 years ago

Two trains leave towns 1490 kilometers apart at the same time and travel toward each other. One train travels 20 km/h slower tha

Fynjy0 [20]

Answer:

rate 1. 50 2. 56

Step-by-step explanation:

if you graph them all together.

5 0

2 years ago

Simply 7/4 squared

klemol [59]

Answer:

0.4375

Step-by-step explanation:

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2 years ago

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How many solutions are there to x - 2 = 5? How many solutions are there to x - 2 > 5? Explain, use complete sentences. ( 30 P

Sedbober [7]

There is only one solution on the first one since you can't get 5 any other time then it being 7.

on the other one all real numbers above 7 are answers since after x is 7 it will be greater the. 5 always.

8 0

2 years ago

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