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Alex17521 [72]
3 years ago
8

Hello, I need help I have watched about 10+ hours of YT videos on this and still don't understand this and my teacher wont respo

nd to me. It is this sheet in particular that i don't understand. I know how to do simple ones but not this. If you are able to help me i will give you a brainlest, Once i figure out this site. Oh yea i am not in high school i am in middle
Mathematics
2 answers:
suter [353]3 years ago
5 0

Answer:

On the first one, they took half of the original number then added it to the original to get the sides of the bigger shape.

Step-by-step explanation:

Alinara [238K]3 years ago
4 0

Answer: I just did this in my math class, so I'll try to help you the best I can.  I uploaded the pdf below with step by step solutions to each problem. I also wrote some background information you need to know in order to solve the problems.

Step-by-step explanation:

Hope This Helps!

Download pdf
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Prove that :
Dimas [21]

Answer:

<h3>Question 1</h3>
  • sec²θ + cosec²θ =
  • 1/cos²θ + 1/sin²θ =
  • (sin²θ + cos²θ)/(sin²θcos²θ) =
  • 1 / (sin²θcos²θ) =
  • [(sin²θ + cos²θ)/sinθcosθ]² =
  • (sinθ/cosθ + cosθ/sinθ)² =
  • (tanθ + cotθ)²
<h3>Question 2</h3>
  • (1 - tan²θ) / (1 + tan²θ) =
  • (1 - sin²θ/cos²θ) / (1 + sin²θ/cos²θ) =
  • (cos²θ - sin²θ) / (cos²θ + sin²θ) =
  • (cosθ + sinθ)(cosθ - sinθ) / 1 =
  • (cosθ + sinθ)(cosθ - sinθ)
<h3>Question 3</h3>
  • sinθ/ (1 - cotθ) + cosθ / (1 - tanθ) =
  • sinθ / (1 - cosθ/sinθ) + cosθ / (1 - sinθ/cosθ) =
  • sinθ/ [(sinθ - cosθ) / sinθ] + cosθ / [(cosθ - sinθ)/cosθ] =
  • sin²θ/ (sinθ - cosθ) + cos²θ/(cosθ - sinθ) =
  • sin²θ/ (sinθ - cosθ) - cos²θ/(sinθ - cosθ) =
  • (sin²θ - cos²θ) / (sinθ - cosθ) =
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6 0
3 years ago
Read 2 more answers
Please helppp mee!!!
Licemer1 [7]

Answer:

$3.50

Step-by-step explanation:

2+2x=9

2x=7

x=3.5

$3.50

6 0
3 years ago
Solve-1 + 8 =<br> 10 - 3a.
sertanlavr [38]

Answer:

a = 1

Step-by-step explanation:

Original Equation:

-1 + 8 = 10 - 3a

Add 1 to both sides

8 = 11 - 3a

Subtract 11 from both sides

-3 = -3a

Divide both sides by -3

a = 1

Hope this helps :)

Please consider Brainliest :)

6 0
3 years ago
Read 2 more answers
Twice the difference of a number and 3 is equal to 5.
Natasha_Volkova [10]

Answer:

n = 4

Step-by-step explanation:

4 0
3 years ago
I need help on solving equations
Vlad1618 [11]
On a you would subtract ten from +10 and 22
7 0
4 years ago
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