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mezya [45]
3 years ago
10

Please help me i dont get it at all

Mathematics
1 answer:
Hitman42 [59]3 years ago
8 0

y = 218.2. The lenght of side y by  trigonometry is 218.2.

In order to solve this problem we are going to use the angles and sides of a right triangle and its relation by expressions that we call trigonometric ratios.

In the image we can see that the lenght of the opposite leg is 141 , we do not know the lenght of the adjacent leg y and the hypotenuse x. The key to solve this problem is to use trigonometric ratios and the equation tan θ = sin θ/cos θ = opposite leg/adyacent leg = 141/y

Clear for y for the equation tan θ = sin θ/cos θ = 141/y, we obtain:

y = arctan θ (141)

y = arctan (43°)(141) = 218.2

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Simplify completely. (w15w5)4m need help please
pogonyaev
(w15w5)4m is the same as


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This is because w•15 is still 15w and w•5 is still 5w, it’s just a way of organizing it!!! And it doesn’t matter if the 4m is behind or in front of the (w15w5) because you still distribute normally!

Now let’s distribute!

But wait, there has to be order of operations here !!!
PEMDAS

So let’s do 15w•5w which equals 75w^2 since 15•5 is 75 and when you are multiplying two variables together you get the variable, squared because w•w=w^2

Think of it as 2•2=4 which is 2^2!!!

So then we are left with 4m•75w^2 which is

300mw^2 this is because when you are multiplying two unknown variables you have to make them join together, so first let’s multiply the coefficients(the real numbers)!

75•4=300

then m•w^2 which is just mw^2!!


So the final answer is 300mw^2!!

Please give me brainliest, if you need any further help, please just tell me!!! If you need to contact me for further support add me on ig

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4 years ago
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(self-explanatory)

I hope this helps, have a nice day.

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