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Questions (344)

simplify the expression.cos^2x+sin^2x/cot^2x-csc^2x
1. 1 answer
2. 2,094 views
simplify the expression.-sin^2x-cos^2x
1. 1 answer
2. 341 views
use basic identities to simplify the expression.csc θ cot θ / sec θ
1. 1 answer
2. 754 views
Determine whether the equation defines y as a function of x.y= -16
1. 1 answer
2. 1,179 views
Write the complex number in trigonometric form, using degree measure for the argument.-12 - 16i
1. 1 answer
2. 868 views
Convert the rectangular coordinates to polar coordinates, using radian measure for the angle.(6, -6) 6√(2),7π/4 OR
1. 1 answer
2. 709 views
Solve the equation. Express your answer in trigonometric form.x^5 - 11 = 0
1. 1 answer
2. 420 views
Find the indicated roots. Write the answer in trigonometric form.Fourth roots of 256(cos 220° + i sin 220°)
1. 0 answers
2. 607 views
Use De Moivre's theorem to simplify the expression. Write the answer in a + bi form.[2(cos 240° + i sin 240°)]^5
1. 2 answers
2. 745 views
Find the dot product a*b.a= (5,-9), b=(4,-3)
1. 0 answers
2. 321 views
estimate the components of the vector. Round to one decimal place.[v] = 33.9, θ = 65.9° Find the horizontal and vertical
1. 1 answer
2. 526 views
find the indicated vector.let u = (-9,1), v=(-5,9). Find 3u+v
1. 1 answer
2. 1,493 views
Find z1z2 and z1/z2 for the pair of complex numbers using trigonometric form.z1=4+9i, z2=-5-5i I got z1z2 = 25-65i But cannot
1. 1 answer
2. 697 views
slove the equation exactly over the interval [0, 2pi)sinx=1-2sin^2x
1. 1 answer
2. 484 views
use an identity to write the expression as a single trignometric function.squ root 1-cos48°/2
1. 1 answer
2. 356 views
choose the expression that is equivalent to the given expression.2 cos^2 4x-1
1. 1 answer
2. 435 views
Use the fundamental identities to simplify the expression.cos^2θ/sin^2θ+cscθsinθ I got tan^2theta
1. 1 answer
2. 634 views
fidn all values of tehta in [0, 360) that satisfy the equation.√(3)tan(θ/2)=-1 I have four choices 300, 330, 150 , 120 and i
1. 4 answers
2. 560 views
Multiply and simplify.(cos x - sin x)^2
1. 1 answer
2. 877 views
Choose the expression that is equivalent to the given expression.sin 6x tan 3x I got 2 sin^2 3x
1. 1 answer
2. 508 views
Write the expression as the sine, cosine, or tangent of a double angle. Then find the exact value of the expression.2tan 2pi/3 /
1. 1 answer
2. 688 views
Solve the right triangle with the given sides and angles.a = 3.0, B = 31.0°
1. 1 answer
2. 390 views
2. The sales tax rate applied to all purchases within a state was 0.04 (4 percent) throughout 2006 but increased to 0.05 (5
1. 1 answer
2. 1,186 views
Market price with no tax is where supply equals demand, so at $7.b) The two dollar tax is reflected in the price that people
1. 0 answers
2. 472 views
Find all values of ¸ in [0°, 360°) that satisfy the equation.2 sin 2θ - √(3) = 0
1. 1 answer
2. 970 views
Find all real numbers in [0, 2π) that satisfy the equation.cos 2x = √(2)/2
1. 1 answer
2. 682 views
Find all angles in degrees that satisfy the equation. Round approximate answers to the nearest tenth of a degree.tan α = -1.85
1. 1 answer
2. 1,225 views
Use a sum or difference identity to find the exact value.tan 25deg + tan 5deg / 1-tan 25deg tan 5deg
1. 1 answer
2. 1,205 views
Find cos(A+B).cos A=1/3 and sin B=-1/2, with A in quadrant I and B in quadrant IV.
1. 2 answers
2. 2,242 views
for the given angle, name the quadrant in whihc the terminal side lies.-350deg
1. 1 answer
2. 468 views
identify the quadrant in which 0 lies.sin < 0 and sec > 0
1. 4 answers
2. 3,543 views
determine the period of the function.y = cot 4t
1. 0 answers
2. 547 views
Identify the quadrant in which θ lies.sin > 0 and tan < 0
1. 1 answer
2. 1,437 views
Find the trigonometric function value of angle θ. Cos θ = 2/7 and θ is in quadrant IV. Find sin θ.
1. 1 answer
2. 908 views
The point (-3, 4) is on the terminal side of angle θ in standard position. Findcot θ.
1. 1 answer
2. 4,356 views
Given that θ is an angle in standard position whose terminal side containsthe given point, provide the exact value of the
1. 1 answer
2. 1,126 views
which melts at a low temp in a solid nonelectrolyte what type of solid is it
1. 0 answers
2. 335 views
The average age of a vehicle registered in the United States is 8 years, or 96 months. Assume the standard deviation is 16
1. 1 answer
2. 627 views
The amount that airlines speed on food per passenger is normally distributed with means $8.00 and standard deviation $2.00. What
1. 1 answer
2. 536 views
find the slope, if it exists,of the line containing the pair of the points.(-2,-11) and (-20,-15). I came up with (-2,-9)is this
1. 2 answers
2. 638 views
find the slope, if it exists,of the line containing the pair of the points.(-2,-1) and (-20,-15).
1. 1 answer
2. 444 views
a+p =5p 11/4 >a
1. 0 answers
2. 259 views
calculate the acceleration of a 2000-kg single air plane just before takeoff when the thrust of its engine is 500 N
1. 1 answer
2. 1,019 views
1.00 g zinc and 0.80 g sulfur are allowed to react all the zinc is used up 1.50 g of zinc sulfide is formed and some unreacted
1. 2 answers
2. 1,497 views
What is the probability of a game being sold if 18,980,000 of that title was sold out of a total 68320,000 different video games
1. 1 answer
2. 651 views
p -> ~q , p -> qAre these Equivalent statements? This is my try. Please let me know if these truth tables are correct. p -> ~q p
1. 0 answers
2. 544 views
Some snakes are poisonous. A rattlesnake is a snake. Therefore: a rattlesnake is poisonous. Is syllogism valid or invalid?
1. 1 answer
2. 618 views
How much does it cost to tile a room that is 420 sqft if the tiles used are 1 foot on a side and cost $0.95?
1. 1 answer
2. 351 views
100 raffle tickets are sold for $3 with one grand prize of $200. Julie purchased one ticket. What is her expectation? What is
1. 1 answer
2. 580 views
one hundred raffle tickets are sold for $3 each. one prize of $200 is to be rewarded.Lisa purchases one ticket.a- what is her
1. 2 answers
2. 1,277 views
A mean average of 60 on 6 exams is needed to pass a course. on his first 5 exams, Adam received grades of 46,73,73,63 and 70. If
1. 2 answers
2. 1,415 views
(387-46)+x/6=> or = to 70(341)+x = or > than 70
1. 1 answer
2. 966 views
(387-46)+x/6=> or = to 70
1. 1 answer
2. 338 views
A license plate is to have 3 digits followed by 2 uppercase letters. What is the number of different license plates possible if
1. 1 answer
2. 2,546 views
A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72.
1. 1 answer
2. 1,314 views
A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72.
1. 1 answer
2. 1,201 views
A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72.
1. 4 answers
2. 1,151 views
how many different committees can be formed from 6 teachers and 31 students if the committee consists of 4 teachers and 4
1. 1 answer
2. 1,387 views
what is the period of the space shuttle traveling at 250km above the earth and what is its velocity
1. 1 answer
2. 621 views
thank you for your help:)
1. 0 answers
2. 252 views
the list i gave you
1. 1 answer
2. 361 views
i need to know what influences they had
1. 0 answers
2. 338 views
Central asiaComplete the following: Describe what influence the former invaders of this region brought into the regions culture.
1. 2 answers
2. 1,104 views
in Centrel Asia why are temperatures in this region often really cool at night, but sweitering hot during the days?
1. 1 answer
2. 416 views
A dog runs 150{\rm m} away from its master in a straight line in 8.4{\rm s} , and then runs halfway back in one-third the
1. 1 answer
2. 715 views
in a hypothetical thermometer, the freezing point of water is marked as -10 and the boiling point is marked at 70. What would be
1. 2 answers
2. 575 views
got 22 degrees celsius for the last answer from Damon. Another question is ......How much heat is needed to raise the
1. 3 answers
2. 614 views
what is the equilibrium temperature if 100 grams of water at 20 degrees celsius is added to 50 grams of water at 62 degrees
1. 1 answer
2. 596 views
Of the two fractions 15/21 and 19/17 which is smaller?I think its 19/17 but need someone to double check please.
1. 2 answers
2. 405 views
Convert the fraction 8/17 to a decimal.Can you show me how to do this?
1. 2 answers
2. 644 views
Find the surface area and the volume of a sphere whose radius equals 4?
1. 1 answer
2. 507 views
how many rectangles can have the perimiter of 46m
1. 2 answers
2. 831 views
all of the following conditions were responsible for the majority of premature deaths in the early 1900's except
1. 2 answers
2. 447 views
the snow is so deep mean?
1. 1 answer
2. 369 views
what is the personification of this sentence The wind whispered through the dark and gloomy forest.
1. 1 answer
2. 616 views
A taxi driver charges a flat rate of $3.00 and $0.08 per mile traveled
1. 1 answer
2. 663 views
need root or base word
1. 3 answers
2. 433 views
when would you not use it
1. 3 answers
2. 352 views
it doesn't have the root word
1. 1 answer
2. 315 views
answer each question based on your understanding of the boldfaced vocabularywhat are some situation when levity is out of place
1. 3 answers
2. 922 views
whats the root or base word of rebellious,belligerent, doctrine, document, levity, levitate, initiative, itinerary, impulsive,
1. 4 answers
2. 1,754 views
Ken paid $8.50 for tickets an adult paid $2.00 more than a child how much does the adult pay
1. 1 answer
2. 474 views
in art class there are 5 sheets of drawing paper for 9 people. how much paper will each person get?
1. 5 answers
2. 568 views
Joyce took out a loan for $21,900 at 12 percent on March 18, 2007, which will be due on January 9, 2008. Using ordinary
1. 2 answers
2. 694 views
Matty Kaminsky owns a new Volvo. His June monthly interest was $400. The rate is 8 ½ percent. Matty's principal balance at the
1. 1 answer
2. 1,265 views
50 is what percent of 900 (Round to nearest tenth of a percent
1. 1 answer
2. 797 views
Aging in the United States In 2050, about 1 over 5 of the population will be aged 65 or over and about 1 over 20 of the
1. 4 answers
2. 607 views
i posted this yesterday and never received a answer i do really neeed this help need step by step on how you get the answer
1. 1 answer
2. 533 views
need step by step on how you get the answer Aging in the United States In 2050, about of the population will be aged 65 or over
1. 0 answers
2. 483 views
need step by step on how we get the answer Uninsured Americans In 2005, the fraction of Americans who did not have health
1. 1 answer
2. 436 views
need help in solving Uninsured Americans In 2005, the fraction ofAmericans who did not have health insurance coverage was . 39
1. 3 answers
2. 497 views
calculate the density of oxygen,O/2 under each of the followig conditions-stp,1.00 atm and 35.0 celsius?
1. 1 answer
2. 757 views
why is the energy difference for t-butylcyclohexane significantly greater than the corresponding value calculated for
1. 0 answers
2. 564 views
what is a conjunction give example
1. 1 answer
2. 361 views
assume that $10 million dollars of debt replaces 625,000 shares of common stock. The intrest in the new stock is 11.25 percent
1. 0 answers
2. 1,047 views
A garbage can is in the shape of a rectangular prism. The area of the base of the garbage can is 480 square inches. The height
1. 1 answer
2. 696 views
1. A real estate contract will contain the: (Points: 5)a. credit report of the buyers. b. mortgage information of the sellers.
1. 3 answers
2. 463 views
f(x)=(-3x^3-x^2-9x-8)/(6x^2+4x+3. Find the equation of the non-vertical asymptote. y=Does f(x) intersect its non-vertical
1. 2 answers
2. 637 views
THe circumference of a sphere was measured to be 74.000 cm with a possible error of 0.50000 cm. Use the linear appoximation to
1. 2 answers
2. 643 views
If 3000 dollars is invested in a bank account at an interest rate of 6 per cent per year, find the amount in the bank after 12
1. 1 answer
2. 3,908 views

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