If sin ⁡x=−4/5, and π

Answers

Answer 1
Answer:

Answer:

Step-by-step explanation:

sin ⁡x=−4/5

x=sin^-1(4/5)

x=about 53.1

x=(-4/5)/sin(53.1 degrees)=about -2.64662408617

what do you need for pi?


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The current price of each share of a technology company is $135. If this represents a 16.2% increase over the past year, what was the price per share a year ago?

Answers

The price per share one year ago was $113.13

Final answer:

To find the price per share a year ago, set up the equation P + 0.162P = $135, simplify, and solve for P.

Explanation:

To find the price per share a year ago, we need to calculate the original price before the 16.2% increase. Let's call the original price P. We can set up the equation:



P + 0.162P = $135



Simplifying the equation gives us:



1.162P = $135



Dividing both sides of the equation by 1.162 gives us:



P = $116.279



Therefore, the price per share a year ago was $116.279.

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PLEASE ANSWER ASAP! SUPER IMPORTANT! YOUR ANSWER MUST INCLUDE AN EXPLANATION IN ORDER TO RECEIVE 10 POINTS AND THE BRAINLIEST ANSWER! THANKS!!!

Answers

To solve this, all we need to do is substitute the values of x and y at which they are the same into each equation and see if it holds true.

A. (y)/(x) = (1)/(2)

(-8)/(4) = (1)/(2)

-2 = (1)/(2)

Since this is not true, we can scratch choice A off our list.

B. (y)/(x) = -2

(-8)/(4) = -2

-2 = -2

This is true, so choice B is one of the correct answers.

C. -2x = y

-2 (4) = -8

-8 = -8

This equation also holds true, so choice C is also correct, but let us do the final option just for the sake of completion.

D. x = 2y

4 = 2 (-8)

4 = -16

This is obviously not true, so choice D is also false.

The correct answer choices are B and C.
Hope that helped! =)
varies directly, so x times a number = y
let z be that number
y= zx
-8=4z
z=-2
y=-2x
which is equals to y/x=-2 and -2x=y , so its B and C

Please explain step by step to find the solution
15-4x=10x+45

Answers

15-4x=10x+45 \n -4x- 10 x= 14x \n 15+45=60 \n 14x+60. I'm sooo sorry if I get this wrong I'm not that great at this

help. i will mark brainliest to the first good answer. please help i need this to pass, ive got a 71 in math and my mom gonna beat me

Answers

Answer:

I answered this on your other one but what ever.

arrow= positive 15

bone= positive 721

clay bowl= 0 (zero is neutral which means it's neither positive or negative)

necklace= positive 462

basket= negative 1,200 (-1,200)

For the second part

It's like a graph.  sea level is the 0.  The word 'above' would mean a positive number.  The word 'below' would be a negative number because it is less than 0 or in this case sea level.


What property can you use to find 20x9x5

Answers

the answer is in the file below
u should use the commutive property 
because 
if you do 
20*5 you get 100 then multiply 9 and you get 900 

The function f is defined by f(x) = (x + 3)(x + 1).The graph of f in the xy-plane is a parabola. Which
of the following intervals contains the x-coordinate
of the vertex of the graph of f?

Answers

Answer:

Below in bold.

Step-by-step explanation:

The  zeroes ( = x-intercepts) are x = -3 and x = -1.

So the x -coordinate of the vertex is between x = -3 and x = -1.

The actual x-coordinate is halfway between these value: at x = -2.

Answer:

x = -3 or x = -1

Step-by-step explanation:

f(x) = (x + 3)(x + 1)

⇒ x = -3 or x = -1