2 years ago

HELP AHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH

Mathematics

1 answer:

diamong [38]2 years ago

5 0

Answer:

3x+12y+4 -- is the simplified version, variables would be x and y

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Round 3,567 to the nearest ten

WINSTONCH [101]

Answer:3,570

Step-by-step explanation: The 7 is over 5 so u know, 5 or more up the score. 4 percent or less let it rest.

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3 years ago

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If sin ⁡x=725, and 0 ∠ x ∠ pi/2, what is the tan (x - pi/4)

krok68 [10]

$Tan(x-\frac{\pi }{4}) = \frac{-17}{31}$

Step-by-step explanation:

Here we have , sin ⁡x=7/25( given sin x = 725 which is not possible ) , $0$ . Let's find tan (x - pi/4):

⇒ $Tanx = \frac{sinx}{cosx}$

⇒ $Tanx = \frac{sinx}{\sqrt{1-(sinx)^{2}}}$

⇒ $Tanx = \frac{\frac{7}{25}}{\sqrt{1-(\frac{7}{25})^{2}}}$

⇒ $Tanx = {\frac{7}{25}}{\sqrt{(\frac{625}{625-49})^{}}}$

⇒ $Tanx = {\frac{7}{25}}(\frac{25}{24} )$

⇒ $Tanx = {\frac{7}{24}}$

Now , $Tan(x-\frac{\pi }{4}) = \frac{Tanx - Tan(\frac{\pi }{4} )}{1+ Tanx(Tan(\frac{\pi }{4} )}$

⇒ $Tan(x-\frac{\pi }{4}) = \frac{Tanx -1}{1+ Tanx(1)}$

⇒ $Tan(x-\frac{\pi }{4}) = \frac{\frac{7}{24} -1}{1+\frac{7}{24} }$

⇒ $Tan(x-\frac{\pi }{4}) = \frac{\frac{7-24}{24} }{\frac{7+24}{24} }$

⇒ $Tan(x-\frac{\pi }{4}) = \frac{-17}{24} (\frac{24}{31} )$

⇒ $Tan(x-\frac{\pi }{4}) = \frac{-17}{31}$

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3 years ago

How to model 4÷2/3??

stealth61 [152]

Answer:

We have 4 x ( 3 / 2 ) = 12 / 2 = 6;

Step-by-step explanation:

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3 years ago

Help quick please ________

Kruka [31]

Hey

Area of first rectangle = 18 x 21 = 378 in^2

Area of second rectangle = 17 x 9 = 153 in^2

Total area = 378+153 = 531 in^2

Option 1

Hope this helps :)

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2 years ago

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the only difference between an isosceles trapezoid and trapezoid is the fact that the nonparallel sides are congruent true or fa

BARSIC [14]

The statement is true.

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2 years ago