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2 years ago

The question is down bellow!!!

Mathematics

2 answers:

BartSMP [9]2 years ago

6 0

D............a raisin is about 1 cm long

irina [24]2 years ago

3 0

I think it is a raisin
A desk is too long so is a car

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

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

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

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

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

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

7 0

3 years ago

1. Which ray is a bisector of BC BD BA BF 2. What is GH? 5 10 15 25 3. What is the value of

zhenek [66]

1. BD
2. 15
3. y=2
4. Angle(DBE)
5. 47

I hope this helps.
Next time try to post each question seperately

3 0

2 years ago

What is the square root of: a) 58.82 b) 10

natka813 [3]

Square root of A= 7.66 ( Took the first 2 numbers after the decimal.)
Square root of B= 3.16 (Took the first 2 numbers after the decimal.)
HOPE THIS HELPS! ^_^

7 0

2 years ago

What is 1/8 divided by4

mixer [17]

1/8 ÷ 4 =
1/8 × 1/4 = 1/32

Multiply the reciprocal

6 0

2 years ago

Allison has 5 times as many baseball cards as football cards. In all, she has 120 baseball and football cards. How many baseball

Ede4ka [16]

If Jim has x football cards He will have 5x baseballs cards Thus x + 5x = 120 > total # of cards 6x = 120 x= 120/6 = 20 so Jim has 5x baseball cards = 20*5 =100 baseball cards

6 0

2 years ago