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3 years ago

Sin K = Whats the answer

Mathematics

1 answer:

guajiro [1.7K]3 years ago

3 0

Answer:

1/2

Step-by-step explanation:

sin(K)=5/10=1/2

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3c + 5d = 7d – 6c, solve for d

liubo4ka [24]

Answer:

-3c+12d

Step-by-step explanation:

3 0

3 years ago

A circle with center at (12,−1) passes through (0,−1). Find the circumference and area of the circle in terms of p.

madreJ [45]

Answer:

C = 75.36

A = 452.16

Step-by-step explanation:

Find the radius r by finding the distance between (12,-1) and (0,-1) using the distance formula.

$d = \sqrt{(12-0)^2 + (-1--1)^2} =\sqrt{(12)^2 + (0^2} =\sqrt{144+0} =\sqrt{144}=12$

The radius is 12.

So the circumference of the circle is $C = 2\pi r = 2\pi 12 = 24\pi = 75.36$

So the area of the circle is $A = \pi r^2\\A = \pi 12^2\\A = 144\pi\\A = 452.16$

6 0

3 years ago

If f(x)= -6x+6 then f^-1(x)=

drek231 [11]

Recall that, to get the inverse relation of any expression, we start off by doing a quick switcharoo on the variables, then we solve for "y".

$\bf \stackrel{f(x)}{y}=-6x+6\qquad inverse\implies \boxed{x}=-6\boxed{y}+6
\\\\\\
x-6=-6y\implies \cfrac{x-6}{-6}=y\implies -\cfrac{x}{6}+1=\stackrel{f^{-1}(x)}{y}$

3 0

3 years ago

Please answer question ASAP! Use the triangle below to determine which of the following statements are true. (The answer choices

vagabundo [1.1K]

Choice A is true. This is the Pythagorean identity. One of the most fundamental trig identities you should memorize.

Choice B is false. Let A = 60 and B = 30 and you'll see the left hand side turn into 0.5 while the right hand side turn into -0.5

Choice C is true. This is a variation of the identity tan^2+1 = sec^2 (just subtract tan^2 from both sides)

Choice D is true as this is a more complicated variation of 1+tan^2 = sec^2

7 0

4 years ago

PLEASE HELP ASAP the question is in the picture

sattari [20]

can you please rotate the picture

7 0

4 years ago