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Stolb23 [73]
3 years ago
15

Fiona bought some socks that cost 4.95 for each pair

Mathematics
1 answer:
NeX [460]3 years ago
6 0
What is the question?
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Pls someone help with this!!! ASAP
andriy [413]
It would be 22 x 3.14 = 69.08 i’m pretty sure lolol sorry if i’m wrong
5 0
2 years ago
Look at the image. (calculus)
mash [69]
<h3>Answer: Choice H)  2</h3>

=============================================

Explanation:

Recall that the pythagorean trig identity is \sin^2 x + \cos^2x = 1

If we were to isolate sine, then,

\sin^2 x + \cos^2x = 1\\\\\sin^2 x = 1-\cos^2x\\\\\sin x = \sqrt{1-\cos^2x}\\\\

We don't have to worry about the plus minus because sine is positive when 0 < x < pi/2.

Through similar calculations, \cos x = \sqrt{1-\sin^2x}\\\\

Cosine is also positive in this quadrant.

-------------

So,

\frac{\sqrt{1-\cos^2x}}{\sin x}+\frac{\sqrt{1-\sin^2x}}{\cos x}\\\\\frac{\sin x}{\sin x}+\frac{\cos x}{\cos x}\\\\1+1\\\\2

Therefore,

\frac{\sqrt{1-\cos^2x}}{\sin x}+\frac{\sqrt{1-\sin^2x}}{\cos x}=2

is an identity as long as 0 < x < pi/2

5 0
2 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=what%20is%208%28y-3%29" id="TexFormula1" title="what is 8(y-3)" alt="what is 8(y-3)" align="ab
Brrunno [24]
8y-24 should be your answer
3 0
3 years ago
Read 2 more answers
Decrease £1280 by 60%
klemol [59]

Hi rainy here !!! so lets see lets set up your problem like this                              

X/1280 = 60%/100 so lets cross multiply

100 times X =100X

60 times 1280 = 76800

100X=76800 now lets divide each side by 100

100 divided by 100 = 0

76800 divided by 100 = 768

X=768 

So now we have to subtract to get the total amount so 1280 minus 768 = 512

512 is your answer :)

Hope I helped if u have any questions on how I did your problem feel free to message me or comment on my page bye !!!

Love ~Rainy~

7 0
3 years ago
PLEASE HELP! 40 POINTS
Misha Larkins [42]

Answer:

C

Step-by-step explanation:

the area (A) of a triangle is calculated as

A = \frac{1}{2} bh ( b is the base and h the perpendicular height )

here b = z and h = w , then

A = \frac{1}{2} zw

3 0
1 year ago
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