5. If a trig equation has one answer, how many answers will it have? (Provided you do not restrict the domain?) 6. Why are the graphs of the inverse functions restricted to one period of the function? I only need
108,118 results
Social Studies (check my answers)
1. What was the initial purpose of the constitutional convention? To write the Constitution. To amend the Constitution.>>>my answer To amend the articles of confederation. To ratify the Constitution. 3. What did the Northwest Ordinance do for the Northwest

Algebra 2
I'm working on Lesson 6: Absolute Value Equations and Inequalities Algebra 2 A Unit 2: Expressions, Equations, and Inequalities and feel confident in my first few answers, but beyond that am lost. May I have some help? **=the answer I believe to be true

algebra
Solve each absolute value equation or inequality and choose the correct answer from the choices provided. x + 5 = 18 help

Math
Would someone verify these answers. 1. A person waves his hand back and forth, where their finger tips move past the starting position 4 cm in each direction. If he waves 20 times every 15s, what sine equation models the movement of the hand if the hand

Math
Enter your answer and show all the steps that you use to solve this problem in the space provided. Solve the equation. c 4 − 5 = 4

Calculus
Two cars start moving from the same point. One travels south at 60 mph and the other travels west at 25 mph. At what rate is the distance between the cars increasing 2 hours later? Let x = the distance covered by the south traveling car. Let y = the

math
question 1. Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Solve the inequality and describe the solution set. y–6≥12 question 2.Note: Enter your answer and show all the steps that you use to

algebra
Solve each absolute value equation or inequality and choose the correct answer from the choices provided. x + 5 = 18 A. 5 or –5 B. 13 or –13** C. 18 or –18 D. 23 or –23 answer **

Advanced Functions
Consider the trig equation: 4sinxcos2x + 4cosxsin2x  1 = 0 in the Interval [0, 2 pi] Either show that there is no solution to the equation in this domain, or determine the smallest possible solution.

PreAlgebra: answers to lesson 9 unit 3
Just in case anyone was wondering the answers to this lesson like I was here they are, I tried to find them but couldn’t and then decided to use the app photomath Because I’m in a hurry. Anyway here are the answers 1. What is the product of (5.1 x

algebra
Write the equation of the line, in standard form, that passes through the origin and is parallel to x + y = 6. Include your work in your final answer. Type your answer in the box provided or use the upload option to submit your solution.

calculus
Find two unit vectors that make an angle of 60° with v = ‹3, 4›. Give your answers correct to three decimal places. I'm not sure what to do here; I believe that I use to definition of a dot product (or maybe cross product) with relation to the trig

Algebra II
Please check answers: Use the equation of the exponential function whose graph passes through the points (0,2) and (2,50) to find the value of y when x= 2. My answer: 2/25 Solve 64^x/=5/2 Thanks.

Math
Graph the functions f(x)=−x3+3x2 and g(x)=−x4+5x3−6x2+3 using a graphing tool, such as the one provided here. What is/are the approximate solution(s) of the system containing f(x) and g(x)? There may be more than one correct answer. Select all

Math
Solve the given equation in the interval [0,2 pi]. Note: The answer must be written as a multiple of pi. Give exact answers. Do not use decimal numbers. The answer must an integer or a fraction. Note that pi is already provided with the answer so you just

Trigonometry/Geometry  Inequalities
Let a, b, and c be positive real numbers. Prove that sqrt(a^2  ab + b^2) + sqrt(a^2  ac + c^2) is greater or equal to sqrt(b^2 + bc + c^2). Under what conditions does equality occur? That is, for what values of a, b, and c are the two sides equal? This

Elementary Satistics
Test the following function to determine whether it is a probability function. If it is not, then make it into a probability function. (Give your answers correct to one decimal place.) R(x) = 0.2, for x = 0, 1, 2, 3, 4 (a) List the distribution of

check math
Here are my answers. Can you check if I got the right answers? Thank you! Solve for z: 4x+10yx=0 z=2x/5y y^2+3yz8z4x=0 z=(y^2+4x)/(3y8) there was no z in your first equation, from you answer I can tell it should have been 4x + 10yz = 0 If so, the

Math
Hi Sorry I'm reposting this question, I think the answer that was provided was not correct because of the ambiguity of the original question but if I could have someone workout the question as written it would be much appreciated: See below discussion.

Trigonometry
5. If a trig equation has one answer, how many answers will it have? (Provided you do not restrict the domain?) 6. Why are the graphs of the inverse functions restricted to one period of the function? I only need to answer these two to finish my homework

spanish Sra jmcguin
assignment  can you please review my answers the first part is provided ot us and we must then finish the sentence  Continua estas frases 1. El otro dia estaba en mi casa y, de repente ( this part provided on wrok sheet )  my answer con la television

math, correction plz
Can someone correct these for me.PLZ Problem#1 Directions solve equation ãx+4 = 3 My answer: x = 5 Probelm #2 Directions solve equation ã(4x+1) + 3 = 0 My answer x = 2 Problem #3 Directions solve equation ã(2y+7)+4=y My answer y= 1 and y = 9 the

Math: Calculus
Can someone help me out here with these two problem? I have know idea where to start. 1)The equation: 10(x1)(x2)(x3)=1, has three real solutions a

Physic
A 29 kg board 3.2 m long is supported in a horizontal position at the two ends. A 77 kg worker stands 1.4 m from one end. What forces are exerted by the board on the two support points? Points closer to the worker. (Answer: 567N) Points farther from the

algebra
How do I do substitution equations out of the equations in the system, pick the one that has the least amount of funky numbers. then make that equation equal to either x or y(or any other variable dependin on what kind of systems youre doing, usually just

Geology
A thunderstorm tends to be more severe and have a longer duration if the axis of the storm is: tilted, perpendicular to the ground, or it makes no difference. (Straight forward answers, if possible use the answer choices provided please & thank you)

Social studies
Why were backcountry colonists more self  sufficient than plantation owners a) they had more slaves to help them b) Farming along the cost provided everything they needed c)living near the breadbasket provided them with enough money for their cash crops

Trig
Use Trig identities to verify that sec^4(x)tan^4(x)=1+2tan^2(x), Only work with one side of the equation

Algebra
Can someone check my algebra answers and help me with the problems I don't understand? 1. n^2n20/2n^2 times n^2+5n/n^225 answer: n+4/2n 2. (2x6/21)/(5x15/12) answer: 8/35 3. 5x3/6  x+3/6 answer: 2x/31 4. 5x/26  2x/13 answer: 1x/26 5. 3x^2/9x^5

Math
Study the equation below. 25=2x+3 Which equation has the same solution? Answers: A. 28=2x B. 22=2x C. 50=x+3 D. 25/2=x+3 My answer is B. 22=2x. Please check if I am right. Thank you!

Math
Idk how to do this equation, please help! I don't want the straight answer, I just need guidance on how to do it. Here's the problem: Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Solve. 4x + 6 <

math
Solve the quadratic equation by completing the square. Verify your answer graphically. (Enter your answers as a commaseparated list.) 16x2 − 24x − 23 = 0 I got this answer: 16(x−3/4)^2−32=0. Is the answer i got correct?

calculus
1. what trig function has an amplitue of 1 and negative values for angles between π/2 and π? 2. what trig function never crosses the xaxis and has a value of 2 at π/6? are these correct? 3. what trig function has a period of π and is undefined for

chemistry
I tried using the answer you provided but the online system I am using is not taking this as a correct answer. This is the answer you provided: AgCl(s) + H2O(l) ==> Ag^+(aq) + Cl^(aq). PLEASE HELP!! Thanks My original question: Write the equation for the

Help! for Chemistry H.W.
I need help with my chem home work. Please show me the answers because this question is a very confusing question to me. Therefore I really need you to provide the answer to this question please... Question 1: A sample of CO2 gas with a mass of 0.30 g is

Check my answered questions.
For the combining gas law P1V1/T1=P2V2/T2 home work assignment I did three answers on my own and would like you to check them if they are right. If for some reason the answers that I provided don't seem correct please provide me with the right answers.

Algebra
are the answers correct? evaluate the value of the following trig functions 7. sec 54° 23’ answer: 1.051 8. cos 36° 10’ answer: 1 9. cot 35° 21’ 45’’ answer: 3.732

precal
when i do the quadratic equation i get 17 plus or minus the square root of 193 all over 2. where do i get the two "cos 3x" roots?? solve the equation to the nearest tenth, where 0 degrees < or equal to x which is < 360 degrees. 8cos^2 3x17cos3x+3=0 this

Trig/PreCalc
Need help with current Trig problem for tomorrow: Solve the logarithmic equation algebraically. Approximate the result to three decimal places. 6log3(0.5x)=11 I know to start off the equation you divide by 6. I know the answer is 14.988. I just am puzzled

math
identify all of the basic trig functions that fit each description. 1) is negative for angles in the 2nd and 4th quadrant 2) is unbounded answer: tan, cot 3) has a range of 1 ≤ y ≤ 1 answer: sin, cos are my answers correct? and i'm not sure what the

math
could someone please refresh my memory of the basic trig functions? ex) cos^2 + sin^2 = 1? That is a trig identity. http://www.sosmath.com/trig/Trig5/trig5/trig5.html

Algebra
Could someone correct my answers and help with the other problems? 1. Are the following lines parallel, perpendicular, or neither? L1 with equation x – 5y = 10, L2 with equation 5x + y = 5. Answer: Neither (I'm not to sure but i think this is the right

Algebra
Could someone correct my answers and help with the other problems? 1. Are the following lines parallel, perpendicular, or neither? L1 with equation x – 5y = 10, L2 with equation 5x + y = 5. Answer: Neither (I'm not to sure but i think this is the right

math (final trig problem)
Solve for x on the interval [0,π/2): cos^3(2x) + 3cos^2(2x) + 3cos(2x) = 4 I havent done trig for a while so what exactly does that mean in solving for x on that interval and how would i go about doing that? Where are you getting these tough trig

other Quadratic equations
The problem is 7x^3x+1=x^3+3x^2+x. Find all real answers. I came upwith two answers 3x^2=1 and 2x=1/2. The first answer just does not look right. I must be forgeting something! You can check them by putting in x=1/4 (the second answer), and then x=+

Math (PreCalc)
If any body could help me figure out these problems. I would love to know how to do it, and not just get an answer, however if you don't have the time to explain it to me, then the answer will suffice. 6. (1 pt) Solve the following equation in the interval

precalc
Suppose that z1=68i. Find: A. The Trig Form of the complex number z1, where your theta is in degrees. B. The Trig form of z1*z2, where z2=5[cos(60degrees)+isin(60degrees)] C. The Trig Form of (z1)^4

Math  derivative of sinusoidal (check)
a) Find a function y=f(x) that satisfies the differential equation dy/dx = fifth derivative. This is one of the questions in my practice test, I tried the basic equation of the trig function such as f(x)= sin(x) or f(x)=sin(x) however in the fourth

Math (Integrals)
∫ (2x1)^2 dx could have two answers: a) ((2x1)^3)/6 + C b) 4/3x^3  2x^2 + x + C Now the question is, how are the two answers related? I attempted to answer the question by: "The two answers are related because when finding the derivative of those two

Precalculus
How would you solve this trig function: cos2x=sin^22 how do you know what trig identities to use?

Calculus
This is a problem we did previously on a test; my answer was marked correct, but I am having trouble getting my answer in the same form that my teacher gave it. The question: Find the derivative of (x/(x+1))^1/2 His answer: ( (x(x+1))^(1/2) ) / (2x(x+1)^2)

college algebra
What is the answers and break down of them, Typing hint: Type x 2 as x^2 (shift 6 on the keyboard will give ^) 1) Solve the following quadratic equation by factoring: a) 7 010 2 xx =++ Answers: Show your work here: b) Solve the quadratic equation using the

Precalculus
Consider the equation 7sin^2x  (4sin2^x)/cosx = 1 a) Put the equation in standard quadratic trig equation form. Why is it 7sin^2x  8sinx + 1 =0?

Trig
Solve the trig equation exactly over the indicated interval. tanθ = 0, all real numbers I know the answer is πn, but I don't understand how they got this. I get that tanθ = 0 on π and 2π on the unit circle, so did they just put n on the end of π

Trigonometry
Use the trig Identities to find the other 5 trig functions. Problem 7.)Tan(90x)=3/8 8.)Csc x=13/5 9.)Cot x=square root of 3 10.)Sin(90x)=.4563 11.)Sec(x)=4 12.)Cos x=.2351 I need HELP!

Algebra
Could someone correct my answers and help with the other problems? 1. Are the following lines parallel, perpendicular, or neither? L1 with equation x – 5y = 10, L2 with equation 5x + y = 5. Answer: Neither (I'm not to sure but i think this is the right

TRIGONOMETRY
Can you please help me with this question on my study guide for my trig final? Thanks! I'd also appreciate if you can check out my other postings and check my work for some other study guide questions. I want to make sure I'm ready for my final. :) 4.

Math
Dividing Exponents Hi! I was simplifying the problem 4^4/4^6 I tried ways of simplifying I learned in the lesson, and I got the answer 1/2 or 4^2 The problem is, none of the choices I was given match those. I've tried redoing it several times, and I still

DRWLS CAN YOU ANSWER
How do i solve inequalitites with three variables. I still can't figure it outplease help. x+y=1 yz=3 2x+3y+z=1 THE ANSWERS ARE3,2,1 HOW DID THEY GET THAT ANSWER. This can be solved a number of ways. 1) subsitition 2) determinants 3) matricies.

Physic
You hold a uniform, 26.0g pen horizontal with your thumb pushing down on one end and your index finger pushing upward 3.2 cm from your thumb. The pen is 13.9 cm long. Find the two forces. Force of Finger (Answer: 0.553N) Force of Thumb (Answer: 0.299N)

trig
if 10 students enter projects in the art show, how many different ways can they come in 1st, 2nd, and 3rd place? would you go 10^3 OR 10TIMES 3? This is not a trig question. Neither of those answers is correct. After making one of ten possible choices for

AP Algebra
A man's average speed is 4.86 miles per hour. Express this in cm/sec .*dimensional analysis* .. the teacher answer is "217.32 cm/sec" however mine came out to be "217.26" My work: (4.86m/hr)(5280ft/1m)(12in/1ft)(2.54cm/1in)(1hr/3600sec) = 217.26cm/sec Why

Trig
Solve the following trig equation 2cos(xπ/6)=1

Algebra 2
Can someone check my answers. Write the following equations in standard form. 1) x^2  2x + y^2 + 4y = 11 answer: (x1)^2 + (y+2)^2 = 16 2) 4x^2 + 24x  y + 34 = 0 answer: y = 4(x3)^2 + 2 3) The graph of which equation is a circle? A. 5x^2 + 10x = 9 +

U.S. History
In what ways did California's geography influence the building of Spanish forts and missions? A. Building forts and missions inland where the soil was rich provided better opportunities for farming.*** B. Building forts and missions in the northern part of

Trigonometry
Can you please help me solve this trig equation for 0 ≤ x ≤ 2π? 9sin^2(x)6cos(x)10=0 Thank you!

college
Trig help... equation on the interval [0,2pi]? 2sin^2(x)=sin(x)

chem
For this problem, will someone please check my answer? How many grams of oxygen are produced in the decomposition of 5.00g of potassium chlorate? KClO3(s)>KCl(s)+O2(g) [the equation may not be balanced] My answer is 1.96 g of O2. The balanced equation

calculusintegration!
should i use substitution?? if yes how should should i use it? plz i need some directions? k plz someone?...so far i used trig. substitution. i got a=8, so i used x=asin(è)so according to this substitution i got x=8sin(è) and dx=8cos(è) dè...then i

HillBurton
2. The HillBurton Act: a. was a New Deal act providing health insurance to the poor. b. provided for state matching funds to establish health clinics. c. provided federal support for the construction of new hospitals. d. Answers (a) and (b) are correct.

English
To answer the question below, use an idea that you generated in Part 2 of Lesson 2 or come up with a new idea. In the text box provided below indicate the following; The writing idea The kinds of questions you will be writing (Informational , Personal, or

Algebra
I have a few questions that I need help with. Solve the radical equation, and check all proposed solutions. 5. x square root 3x2=4 I don't understand this problem. Solve and check the equation. 10. (x^2+14x+49)^3/420=7 would I have to multiply each

PreCalculus
1) j(x)=2/3x what is j(x)'s yintercept? answer: (0,0) 2) k(x)=4 what is k(x)'s slope? answer: 0 3) g(x)=2x5 what are the root(s) of g(x)? 4) the slope of line p if p is perpendicular to line f are the answers i provided correct? and please help me on 3

trig 26
simplify to a constant or trig func. 1. sec ²utan ²u/cos ²v+sin ²v change expression to only sines and cosines. then to a basic trig function. 2. sin(theta)  tan(theta)*cos(theta)+ cos(pi/2  theta) 3. (sec y  tan y)(sec y + tan y)/ sec y combine

math
solve the following trig equation : 7 = 8sin(1/2)x. I can solve this using the halfangle indentity. But i need to solve this using period and phase change equation. how do i do this?

Ms. Sue
Were my answers correct in the post in which you provided me with the answer below? "People used to die at young ages of heart problems, tuberculosis, pneumonia, infections, etc. Today most of these conditions can be prevented or cured."

PreCal
[Note: I'm still having issues with identities with regard to trig] Verify the Trig. identities: (a). cot(x+y)=(cotxcoty1)/(cotx+coty) (b). sin0(cot0+tan0)=sec0 [Note: 0=theta symbol]

maths
I've to solve the following absolute value equation 8w7=72. I solved the equation and the answers I got were 2 and 16. However the problem is that when I'm checking the equation with the answers it's not coming right. I.E. 8167=72 89 = 72 8(9)= 72

History
How could free African Americans help their enslaved contemporaries? Select the best answer from the choices provided. A. They could participate in the Underground Railroad. B. They could support abolitionist politicians. C. They could subscribe to The

Math
1) Identify the initial amount and the growth rate of the following 1a)y=250(1+0.2)^t 2b) y=9.8(1.35)^t 2) Use special right triangles to state the value of the 6 trig functions for 30 degrees, 45 degrees and 60 degrees. 3) Use the calculator to evaluate

Advanced Physic
An 8.5 m extension ladder of mass 24 kg is propped up against a wall, touching at a point 8.0 m above the level ground. A man of mass 75 kg climbs 2.0 m up the ladder to repair a window. The ladder rests against a frictionless wall, but the ground has

Physics repost
A wave traveling in the +x direction has an amplitude of 0.45 m, a speed of 6.1 m/s, and a frequency of 16 Hz. Write the equation of the wave in the form given by either Equation 16.3 or 16.4. (Answer in terms of t and x. Assume standard units.) For

applied calculus
Let y=〖tan〗^(1) x Rewrite it as an equation involving a trig function. Use implicit differentiation to determine an expression for y.

Math gr.12 Trig.
Hi, could someone explain to me how to use a counterexample in trig to prove whether something is either an identity or equation? For ex. how would you do that with this question? sec^2xtan^2x= cos x

Applied calculas
Let y=〖tan〗^(1) x Rewrite it as an equation involving a trig function. Use implicit differentiation to determine an expression for y.

Algebra
Why is first equation is x negative and in equations 2,3 & 4 answers are not negative and also sign changes? 1)Equation: x+y>1 Answer: y=x+1 2)Equation: xy>5 Answer: y9 Sign is less than or equal to in the answer. Answer: y

trig
Write the expression and evaluate. There is only one answer whIch should match the range of the inverse trig function. Sec^1(2) I got 2pi/3 could someone tell me if that is right? And if not, could someone please explain how to get the answer.

Math
I need help with two problems. Just want to make sure that the answers I put are correct. 1) Which of the following is an equation of a vertical line? F. 4x + 5y = 0 G. 4 = 16x H. 3y = 9 I. 4x + 5y = 1 2) Which equation is the equation of a line that

History
Whats the answer to this question? What was the practice of impressment designed to do? Select the best answer from the choices provided. A. It kept African Americans enslaved. B. It promised freedom to enslaved African Americans. C. It increased the

drbob222 math,correction
i made some corrections for the previous postage can you check those when you get a chance please. Also for this one: my options of answers are: A)2y + 6/3 B)3x 6 /2 C)2 + 2y D)2/3y + 6 Directions: Solve for x: 3x  2y =6 3x  2y = 6 +2y +2y 3x = 6 +2y 

Sin/Cos
I'm having trouble with a concept. I don't understand how the answer was found. 1. Find three other angles, such that cos[beta] = cos [25]. Answers are 25, 335, 335. In my Calc class, the teacher showed it by using a circle, with an angle. Can anyone

math
1. Use special right triangles to state the value of the 6 trig functions for 30 degrees, 45 degrees and 60 degrees. 2. Use the calculator to evaluate the value of the following trig functions. sec 54^o 23’ cot 35^o 21’ 45’’

social studies
Why did the United States become involved in Mexico's civil war? Select all that apply. 1)Relations had weakened between the United States and the new government. 2)Mexico was unable to end the war without U.S. intervention. 3)The United States provided

PreCal:(Cont.)
[Note: I've tried this problem 4 times already and still have it wrong. I know the steps to doing it but for some reason its wrong. an someone please help me get these answers for (b).] An equation is given. (Enter your answers as a commaseparated list.

Trigonometry
Hi, I really need help in understanding how to solve trig equations. How do you solve this equation? Solve the equation on the interval 0 < or equal to x < or equal to 2pi. sinx = (square root of 3)/2 I appreciate your help. Thank you!

Precalculus problems check?
Did I do these two problems right? P(1sqrt2) = 8x  4x^2 P(1sqrt2)= 4 P(2/x)= 8x  4x^2 P(2/x) = x1 I think when the answers are plugged back in, the equation is supposed to equal zero, but I don't get this; however, I always redo each problem with

Math(Please check answers)
1) Solve the equation: 15(7x6) = 3x5 My answer is (85/108) 2) Mary and her brother collect coins. Mary has 4 times the number of coins that her brother has. Together they have 175 coins. How many does Mary have? My answer is 140 3) Perform the indicated

Account
Use the following identification codes to indicate the effects of each transaction on the accounting equation: I = Increase; D = Decrease; NE = No Effect. Write your answers in the space provided under the accounting equation, being sure to include an

math
a mathematics question contained 20 items. every wrong answer scores 2marks, every correct answer scores 4marks and no mark for no answer. (a) find the minimum possible score (b) Tembo had 10 correct answers, 8 wrong answers and 2 no answers. What was his

Advanced Functions/Precalculus
Trigonometry Questions 1.) Find the exaqct value of tan(11π/12) 2.) A linear trig equation involving cosx has a solution of π/6. Name three other possible solutions 3) Solve 10cosx=7 where 0≤x≤2π