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Sergio039 [100]
3 years ago
8

In the following figure find a deg,2adeg and bdeg

Mathematics
1 answer:
vampirchik [111]3 years ago
8 0
From the figure. a and b are equal because the lines are parallel. The jargon is alternate interior angles are equal.

The two remote interior angles are equal to the exterior angle. That interprets to
b + 2a = 84o But b = a
a + 2a = 84o
3a = 84
a = 84/3
a = 28 <<<< answer
b = 28 <<<< answer
2a = 56 <<<< answer.


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Pleeeaaseee helllppppp!!!!​
Phoenix [80]

Answer:

sin\theta=\dfrac{1}{2}

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

<h3>Given</h3>

  • cos \theta=\dfrac{\sqrt{3} }{2}

<h3>To find</h3>

  • The value of sin\theta

<h3>Solution</h3>

Use <u>identity</u> sin^2\theta+cos^2\theta=1 :

  • sin^2\theta=1-cos^2\theta
  • sin^2\theta=1-(\dfrac{\sqrt{3} }{2} )^2
  • sin^2\theta=1-\dfrac{{3} }{4}
  • sin^2\theta=\dfrac{{1} }{4}
  • sin\theta=\sqrt{\dfrac{{1} }{4} }
  • sin\theta={\dfrac{{1} }{2} }
3 0
1 year ago
A man's average speed is 36km/h. How far will he travel in 35 minutes?
JulijaS [17]

Answer:

\huge\boxed{\sf S = 21\ km}

Step-by-step explanation:

<u>Given Data:</u>

Speed = v = 36 km/h

Time = t = 35 mins = 35 / 60 = 0.58 hr

<u>Required:</u>

Distance = S = ?

<u>Formula:</u>

S = v × t

<u>Solution:</u>

S = 36 × 0.58

S = 21 km

\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
8 0
3 years ago
Read 2 more answers
[Angles question]
11111nata11111 [884]
Here is my friendly solution i'll skip the proof part for now. I am working on the others.

8 0
3 years ago
Doug is in line at the store. He has three items that cost ​$4.50​, ​$3.05​, and ​$1.50. Explain how Doug can add the cost of th
Angelina_Jolie [31]

Answer:

He can add through calculater or by doing addition in his mind

4 0
3 years ago
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If F(x)=4x-1 and g(x)=x^2+7, what is g(f(x))
VashaNatasha [74]
Answer

g(f(x)) = = 16 {x}^{2} - 8x + 8

step by step Explanation

The functions given are

f (x)= 4x- 1

g(x)= {x}^{2} + 7

We want to find:

g(f (x))= g( 4x- 1)

This implies that

g(f (x))= ( (4x- 1)^{2} + 7)

Let us now simplify

( {a - b)}^{2} = {a}^{2} -2ab + {b}^{2}

This implies that

( (4x- 1)^{2} + 7) =( {(4x)}^{2} - 2(4x) \times 1 + 1

Combine the terms to get,

= 16 {x}^{2} - 8x + 1 + 7

= 16 {x}^{2} - 8x + 8
6 0
3 years ago
Read 2 more answers
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