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qaws [65]
3 years ago
8

What is the equation of this line? Please Help Y=4x Y=-1/4x Y=-4x Y=1/4x

Mathematics
1 answer:
Sveta_85 [38]3 years ago
7 0

Answer: Y=-1/4x

Step-by-step explanation:

A good way to find an equation of a line is to look for the slope. An obvious spot on this line would be when it crosses (0,0), and another one to the right would be when it crosses at (4,-1).

The slope is rise over run, or if we use the two points we found, "rise" would be -1, because it's dropping 1 unit when going from (0,0) to (4,-1), and the "run" would be 4, because it moves to the right 4 from (0,0) to (4,-1).

Putting these two values together we get:

m (slope) = rise / run

m = -1 / 4

Out of all the equations we're given, we can look for the one with a slope of -1/4, which is given to us:

y = (-1/4)x

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Rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1.
stich3 [128]
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</span>sin^2 x  = (1 - cos 2x) /2 

the answer is cos ^ 3 x = cos x * (1 - <span> (1 - cos 2x) /2 )</span>




5 0
3 years ago
The shaded sector of the circle shown above has an area of 18 pi square feet
Genrish500 [490]

Answer:

F

Step-by-step explanation:

Area of sector=pi*r^2*(theta/360) = pi*r^2*(45/360)

18*pi=pi*r^2*(1/8), r=12. Circumference is 24*pi

5 0
3 years ago
HELLLOOOO THIS IS DUE HELP
loris [4]

Answer:

RS=13

Step-by-step explanation:

RS+ST=RT

2w+1+w-1=18

3w=18

w=6

RS= 2w+1= 2(6)+1= 12+1= 13

7 0
2 years ago
An inverse trigonometric function is used to find the value of an unknown obtuse angle in a triangle. The inverse function retur
Aleonysh [2.5K]

In this question, it is given that An inverse trigonometric function is used to find the value of an unknown obtuse angle in a triangle. The inverse function returns the angle 68°.

Since the angle is obtuse angle, it means  the measurement of the angle is greater then 90 degree. And to find the angle measurement, we have to subtract the given angle from 180 degree.

So the unknown angle is

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And that's the required answer .

4 0
3 years ago
Estimate the limit.
Bezzdna [24]

Answer:

a. 0.25

Step-by-step explanation:

The given expression is

\lim_{x \to 2} \frac{x-2}{x^2-4}

Factor the denominator using difference of two squares.

\lim_{x \to 2} \frac{x-2}{(x-2)(x+2)}

Cancel out common factors;

\lim_{x \to 2} \frac{1}{(x+2)}

We plug in 2 to get

\lim_{x \to 2} \frac{1}{(x+2)}=\frac{1}{2+2}

\lim_{x \to 2} \frac{1}{(x+2)}=\frac{1}{4}=0.25

3 0
3 years ago
Read 2 more answers
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