Mathematics

If sᴇᴄ(0)=1, then ᴀʀᴄsᴇᴄ(1)=0. Why is this

Take the arcsecant of both sides of the equation arcsec(sec(0)) = arcsec(1) 0 = arcsec(1)-arcsec is the inverse of sec. its not easy to see or compute but after a lengthy calculation, they are invers

How do I take the cosine inverse of numbers greater than 1

There is a problem on my homework that says let y=3.7. By doing the appropriate algebra and taking the inverse cosine, find the value of theta. I tried plugging in 3.7 on my calculator but it gives me

Evaluate the function given f(x)=x^2+1 and g(x)=3x+1 then it says f(2)+g(3)=

Algebra 2 and I have no clue what its asking. Please help me!-f(x) = x² + 1 f(2) = 2² + 1 f(2) = 5 g(x) = 3x + 1 g(3) = 3*3 + 1 g(3) = 10 f(2) + g(3) = 5 + 10 = 15-The f(x) and g(x) denote funct

Determine an equation that relates A to B

I have been given a T table.On one side is the A column.It has the values 2, 8 and 50.On the other side is the B column.It has the values 10, 20 and 50, respectfully.I now have to find the equation th

Help with trig homework

if an angle measures x degrees, how can we represent its complement? can someone show me how to do this? also how to do this for a supplement? Thank you!-complement = 90 - x. supplement = 180 - x.

How to round off 109526 to the nearest: ten, hundred, and thousand

How do I round off the number 109 526 to the nearest ten, hundred, and thousand? Please provide an explanation with the answer.-Ten: 109,530 Hundred: 109,500 Thousand: 110,000 You look at the place t

Another Inequality Question

Solve 2 |3x - 1 | + 4 > 6 Please explain how you got the answer!!! Thanks :D-2 |3x - 1 | > 6 - 4 = 2|3x - 1 | > 2/2 = 1|3x - 1 | > 1 - 1 >3x - 1 > 1 x ∈ (- ∞ , 0) U (2/3, ∞ )-Order of operations te

Are These Answers Correct

A bag contains a total of 20 batteries, of which four are defective. Selecting two at random, without replacement, determine the probability that none of the batteries you select are good. 1. 3/95 - M

Find the distance traveled in 35 seconds by an object traveling at a velocity of v(t) = 20 + 4cos(t) feet per

Consider the following problem. Find the distance traveled in 35 seconds by an object traveling at a velocity of v(t) = 20 + 4cos(t) feet per second. I know the answer is 700 but I dont know How or

Maths - perimeter - best answer 10points

how do you figure out the perimeter of a field when the diameter is 145m I can figure out the circumference, and Im getting better with the area and what not, but this. this is just uncalled for.-hmm

MATH HELP AGAIN PLEASE

MATH HELP PLEASE! PLEASE? 1.) The slope of the line PQ is (-2/3) find the slope of the line which is parallel to PQ 2.)Line DR passes throught F (-2,3), and is perpendicular to the line described by t

Could someone help me with math? Dont give me the answer, just help me out

If a/x + 3/bx = b(ab +3 cannot = 0) then x equals... Seriously how am I even suppose to start this?-does the equation look like this... a/x+ 3x/b = b... that is, in the 2nd term the x is on top or

Can someone solve this inequality

I have a question regarding inequalities. No matter which way I do it, I end up getting different answers. The first problem is: 5 - | 2x + 4 | ≤ 3 The answer I got was: x ≥ 3 and x ≥ 6 [ 3 , ∞ ] ⋃

Converse; what are they and how do you do them

Write the converse of each statement? If 3y=5 then 6y=10-The converse of If A, then Bis If B, then A. If both the statement and its converse are true the statement is called a biconditional So it i

Vector word problem (finding angle away from resultant vector)

The thrust of an airplanes engines produces a speed of 361 mph in still air.The wind velocity is given by (42, -7).In what direction should the airplane head to fly due south?Give your answer as an an