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3 years ago

9

What is 50.44 minus 0.51?

2 answers:

Rainbow [258]3 years ago

7 0

Answer:

49.93

Step-by-step explanation:

I hope this is right

Natalka [10]3 years ago

3 0

Answer:

49.93

Step-by-step explanation:

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Prove that 1/sin^2A -1/tan^2A= 1

Vika [28.1K]

Answer:

Step-by-step explanation:

$LHS =\dfrac{1}{Sin^{2} \ A }-\dfrac{1}{Tan^{2} \ A }\\\\\\ = \dfrac{1}{sin^{2} \ A}- \dfrac{1}{\dfrac{Sin^{2} \ A}{Cos^{2} \ A}}\\\\\\= \dfrac{1}{sin^{2} \ A } - \dfrac{Cos^{2} \ A}{Sin^{2} \ A}\\\\\\= \dfrac{1-Cos^{2} \ A}{Sin^{2} \ A}\\\\\\= \dfrac{Sin^{2} \ A}{Sin^{2} \ A}\\\\\\= 1 = \ RHS$

Hint: 1 - Cos² A = Sin² A

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3 years ago

If 12% of x is equal to 6% of y, then 18% of x will be equal to how much percent of y ?

Lelu [443]

Answer:

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Step-by-step explanation:

x=18%

y=9%

It is in a pattern like x=y+y

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makkiz [27]

Answer:

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Step-by-step explanation:

Add 3 to the numerator which is 8 and that would equal 11 so your complete fraction should be 11/15.

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sergiy2304 [10]

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