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Tpy6a [65]
3 years ago
6

Select all of the following that are ordered pairs of the given function f(x)=3-2x

Mathematics
1 answer:
Alona [7]3 years ago
7 0
What are the following?
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Find the exact value of the trigonometric expression given that sin u = − 8 17 and cos v = − 24 25 . (Both u and v are in Quadra
Rashid [163]

Answer: sin u = -5/13 and cos v = -15/17

Step-by-step explanation:

The nice thing about trig, a little information goes a long way. That’s because there is a lot of geometry and structure in the subject. If I have sin u = opp/hyp, then I know opp is the opposite side from u, and the hypotenuse is hyp, and the adjacent side must fit the Pythagorean equation opp^2 + adj^2 = hyp^2.

So for u: (-5)^2 + adj^2 = 13^2, so with what you gave us (Quad 3),

==> adj of u = -12 therefore cos u = -12/13

Same argument for v: adj = -15,

opp^2 + (-15)^2 = 17^2 ==> opp = -8 therefore sin v = -8/17

The cosine rule for cos (u + v) = (cos u)(cos v) - (sin u)(sin v) and now we substitute: cos (u + v) = (-12/13)(-15/17) - (-5/13)(-8/17)

I am too lazy to do the remaining arithmetic, but I think we have created a way to approach all of the similar problems.

3 0
2 years ago
Thank yous to whoever solves first. I will mark brainliest
Montano1993 [528]

Answer:

B

Step-by-step explanation:

7 0
2 years ago
Write the algebraic expression 5 more then the product of 4 and m​
melomori [17]

Answer:

4m + 5

Step-by-step explanation:

<em>product of 4 and m</em>: 4m

<em>5 more than</em> the product of 4 and m: 4m + 5

Answer: 4m + 5

5 0
3 years ago
What is the answer 1/7+3/7=?
tatyana61 [14]
1/7+3/7=>(3+1)/7=4/7
5 0
3 years ago
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A book is 9 inches wide and 13.5 inches tall.<br><br> What will the area of the front of the book?
Nina [5.8K]

Answer:

121.5

Step-by-step explanation: so what u are supost to do is multiply the sides which will give you your answer of 121.5.

8 0
2 years ago
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