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Trava [24]
3 years ago
7

7.632 in expanded form

Mathematics
2 answers:
11111nata11111 [884]3 years ago
3 0
7000+600+30+2 that is what it would be
viva [34]3 years ago
3 0
7 one 6 tenths 3 hundredths 2 thousandths
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I don't need you to work it out, just theorem(s) i need to reach the answer :)
VikaD [51]
Not sure why such an old question is showing up on my feed...

Anyway, let x=\tan^{-1}\dfrac43 and y=\sin^{-1}\dfrac35. Then we want to find the exact value of \cos(x-y).

Use the angle difference identity:

\cos(x-y)=\cos x\cos y+\sin x\sin y

and right away we find \sin y=\dfrac35. By the Pythagorean theorem, we also find \cos y=\dfrac45. (Actually, this could potentially be negative, but let's assume all angles are in the first quadrant for convenience.)

Meanwhile, if \tan x=\dfrac43, then (by Pythagorean theorem) \sec x=\dfrac53, so \cos x=\dfrac35. And from this, \sin x=\dfrac45.

So,

\cos\left(\tan^{-1}\dfrac43-\sin^{-1}\dfrac35\right)=\dfrac35\cdot\dfrac45+\dfrac45\cdot\dfrac35=\dfrac{24}{25}
7 0
3 years ago
Please help I have 15 minutes!!!!!
OlgaM077 [116]
It is a function because each x value only has one y value
6 0
3 years ago
Read 2 more answers
Draw a line representing the rise and a line representing the sun of the line. State the slope of the line in simplest form.
nevsk [136]
You have to post a pic I don’t understand
4 0
3 years ago
I need help on this question plz and thanku
77julia77 [94]

Answer:

42 cm cubed

Step-by-step explanation:

6x4x4 to find volume of 96 when it is filled.

3x3x6 = 54 to find out what is cut out.

96-54 = 42 cm cubed.

5 0
3 years ago
Use absolute value notation to describe the situation.
NNADVOKAT [17]
The answer to this question is x=6
8 0
3 years ago
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