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Anvisha [2.4K]
3 years ago
6

What is the simplest form of the expression (–11.7y – 3.3x) + 1.2x + (5.2y + x)?

Mathematics
1 answer:
marysya [2.9K]3 years ago
3 0

Answer:

bro can u see the answers?

the answer is -65y+11x/10

Step-by-step explanation:

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If sin θ = 1/2 , then find the value of (sin 3 θ)/(1+ cos 2 θ)<br>​
Ipatiy [6.2K]

<u>EXPLANATION</u><u>:</u>

Given that

sin θ = 1/2

We know that

sin 3θ = 3 sin θ - 4 sin³ θ

⇛sin 3θ = 3(1/2)-4(1/2)³

⇛sin 3θ = (3/2)-4(1/8)

⇛sin 3θ = (3/2)-(4/8)

⇛sin 3θ = (3/2)-(1/2)

⇛sin 3θ = (3-1)/2

⇛sin 3θ = 2/2

⇛sin 3θ = 1

and

cos 2θ = cos² θ - sin² θ

⇛cos 2θ = 1 - sin² θ - sin² θ

⇛cos 2θ = 1 - 2 sin² θ

Now,

cos 2θ = 1-2(1/2)²

⇛cos 2θ = 1-2(1/4)

⇛cos 2θ = 1-(2/4)

⇛cos 2θ = 1-(1/2)

⇛cos 2θ = (2-1)/2

⇛cos 2θ = 1/2

Now,

The value of sin 3θ /(1+cos 2θ

⇛1/{1+(1/2)}

⇛1/{(2+1)/2}

⇛1/(3/2)

⇛1×(2/3)

⇛(1×2)/3

⇛2/3

<u>Answer</u> : Hence, the req value of sin 3θ /(1+cos 2θ) is 2/3.

<u>also</u><u> read</u><u> similar</u><u> questions</u><u>:</u> If sin Θ = 2/3 and tan Θ < 0, what is the value of cos Θ?

brainly.com/question/12618768?referrer

if cos θ -sin θ =1, find θ cos θ +sin θ?

brainly.com/question/88125?referrer

7 0
2 years ago
A line has a slope of 5 and y-intercept of -2. What is its equation in slope-intercept from? Write your answer using interfere,
olya-2409 [2.1K]

Answer:

y=5x-2

Step-by-step explanation:

8 0
3 years ago
Plzz help me I need helpp
Ilya [14]

Answer:

-1.32-34.7= -36.02

Step-by-step explanation:

A negative minus a negative will always give you another negative.

So, to do this quickly just see this equation "-1.32-34.7" as this equation "1.32+34.7" and add a negative once you've finished.

1.32+34.7= 36.02

Now add the negative.

-36.02

3 0
3 years ago
Read 2 more answers
Change 20°C to degrees fahrenheit (use f= 9/5c + 32) please help ill give out points ​
MissTica

D

9/5℃= 36/20℃

then add 36 with 32 as ℉=36/20℃ +32

7 0
3 years ago
Someone please help me.
Ronch [10]

Answer:

I can’t even do my own work✋

4 0
3 years ago
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