Questions on Algebra: Trigonometry answered by real tutors!

Tutors Answer Your Questions about Trigonometry-basics (FREE)

Question 103089: Adult tickets for a play cost $13 and child tickets cost $1. If there were 22 people at a performance and the theater collected $58 from ticket sales, how many adults and how many children attended the play?
Click here to see answer by oberobic(2304)

Question 103104: Solve each of the following systems by addition. If a unique solution does not exist, state
whether the system is inconsistent or dependent.
2x = 3y = 1
5x + 3y = 16
Click here to see answer by chitra(359)

Question 103111: 10x = 2y - 7
y=-5x + 3

HELP PLEASE!!!
Click here to see answer by stanbon(57203)

Question 103108: A coffee merchant has coffee beans that sell for $9 per
pound and $12 per pound. The two types are to be mixed to create 100 lb of a mixture
that will sell for $11.25 per pound. How much of each type of bean should be
used in the mixture?
61. Business and finance. Peanuts are selling for $2 per pound, and cashews are sell
Click here to see answer by stanbon(57203)

Question 103098: Solve each of the following systems by graphing. help please.
2x - y = 4
2x - y = 6
Click here to see answer by doukungfoo(195)

Question 103107: Solve each of the following systems by addition. If a unique solution does not exist, state
whether the system is inconsistent or dependent.
x + 5y = 10
-2x - 10y= -20
Click here to see answer by Fombitz(13828)

Question 103096: Graph f(x) = –x – 2.
Please help me with this. I dont understand these at all..
Click here to see answer by Fombitz(13828)

Question 103040: Graph the inequality.
2x + 3y > 6
Help I hate graphing I still do not no how to make a graph into word, or do i no how to draw the lines onto the graph can some one help!!

Click here to see answer by elima(1433)

Question 103102: 3x - 6y = 9
x - 2y = 3
Again their is a graph with this.
Solve each of the following systems by graphing.
Click here to see answer by edjones(7569)

Question 103101: Again there is a graph that goes with this.
x - 2y = 8
3x - 2y = 12

Click here to see answer by edjones(7569)

Question 103305: write an algebraic expression for the expression:
sec[arcsin(x-1)]
Click here to see answer by Fombitz(13828)

Question 103519: Solve -3=x/8-2
Click here to see answer by checkley75(3666)

Question 103558: x + y = 12
y = 2x
HELP
Click here to see answer by oberobic(2304)

Question 103570: Solve each of the following systems by addition. If a unique solution does not exist, state
whether the system is inconsistent or dependent
4x - 3y = 22
4x + 5y = 6
help i will never understand these
Click here to see answer by jim_thompson5910(28476)

Question 103572: Solve each of the following systems by addition. If a unique solution does not exist, state
whether the system is inconsistent or dependent.

x + 5y = 10
-2x - 10y= -20

Click here to see answer by oberobic(2304)

Question 103574: 2x + 3y = 1
5x + 3y = 16
Dependant or incinsistant?
Click here to see answer by Fombitz(13828)

Question 103691: In a town election, the winning candidate had 220 more votes
than the loser. If 810 votes were cast in all, how many votes did each candidate
receive?
Click here to see answer by stanbon(57203)

Question 103693: Solve each of the following systems by addition. If a unique solution does not exist, state
whether the system is inconsistent or dependent.
help
x + 5y = 10
-2x - 10y= -20
i do not know the first thing about solving this. help

Click here to see answer by jim_thompson5910(28476)

Question 103725: Given f(x) = x2 + 2x + 2, find f(0)
THE x2 is really supposed to be x with a little tiny 2 above the x (i think it means to the second power?) HELP PLEASE
Zack
Click here to see answer by scott8148(6628)

Question 103683: Solve each of the following systems by graphing.
x - 2y = 8
3x - 2y = 12
This also has a graph t o do also.
Click here to see answer by elima(1433)

Question 104017: can someone show me how this is solved please.
i didnt know how to type the V zero so i put V0
(dynamics) If there is no air resistance, a projectile fired at an angle θ
above the horizontal with an initial velocity of V0 has a range R of
R=V0^2/g*sin2θ
A football is thrown with initial velocity of 15m/s at a angle of 40° above the horizontal. If g = 9.8 m/s^2, how far will the football travel?
Click here to see answer by stanbon(57203)

Question 104032: Determine which two equations represent parallel lines.
(a) y = 9x – 7 (b) y = –9x + 7 (c) y = 9x + 3 (d) y = -1/9x – 7
I have no idea even how to begin to figure this out.

Click here to see answer by scott8148(6628)

Question 104031: Anna has 12 bills in her wallet, some $5 and some $10. The total value of the bills is $100. How many of each bill does Anna have?
YIKES please help me with this one.
Click here to see answer by scott8148(6628)

Question 104036: Solve the following system of linear inequalities by graphing.
x + 2y __< 3
2x – 3y __< 6
Of course the lines are supposed to be UNDER the < signs.

Click here to see answer by jim_thompson5910(28476)

Question 104038: Bob invested $28,000, part at 19% and part at 17%. If the total interest at the end of the year is $4,920, how much did he invest at each rate?
Click here to see answer by elima(1433)

Question 104416: Convert 3.4 to a percent.
No clue how to do this, please help.
Click here to see answer by stanbon(57203)

Question 104394: Which property of the real numbers is illustrated by the following statement?
(17 • 8) •7 = 17 • (8 • 7)
1. Commutative property of multiplication
2. Associative property of multiplication
3. Distributive property
Help mewith this problem please.
Click here to see answer by stanbon(57203)

Question 104428: Which property of the real numbers is illustrated by the following statement?
8 • (15 + 11) = 8 • 15 + 8 • 11
A) Commutative property of multiplication
B) Associative property of addition
C) Associative property of multiplication
D) Distributive property

Click here to see answer by tutorcecilia(2152)

Question 104427: Graph by first solving for y.
x + 2y = 8

Click here to see answer by tutorcecilia(2152)

Question 104397: Are the following lines parallel, perpendicular, or neither?
L1 through (–4, –7) and (1, 3)
L2 through (2, 6) and (4, 10)
HELP

Click here to see answer by elima(1433)

Question 104426: Write the equation of the line that passes through point (2, –8) with a slope of –5.
Click here to see answer by scott8148(6628)

Question 104413: Determine the range.
6, 18, 5, 9, 20
Not exactly how to do this!! Please help

Click here to see answer by jim_thompson5910(28476)

Question 104425: Solve the following system of linear inequalities by graphing.
3x – y < 2
x + y > 2

Click here to see answer by jim_thompson5910(28476)

Question 104398: Write the equation of the line with slope –2 and y-intercept (0, 0). Then graph the line.
Click here to see answer by HyperBrain(694)

Question 104407: Anna has 12 bills in her wallet, some $5 and some $10. The total value of the bills is $100. How many of each bill does Anna have?
Click here to see answer by Fombitz(13828)

Question 104521: Solve and Check for x
x/6 - x/8 = 1
Click here to see answer by edjones(7569)

Question 104830: 5x-2y<10
x+ y<4
Click here to see answer by HyperBrain(694)

Question 104978: Determine which two equations represent parallel lines.
(a) y = 9x – 7 (b) y = –9x + 7 (c) y = 9x + 3 (d) y = -1/9x – 7
I have no idea even how to begin to figure this out. (the above is a fraction)
I put this on before but did not understand the answer. Sorry I am not so good at math.

Click here to see answer by checkley75(3666)

Question 104985: Divide. Write the result in simplest form. 3 1/5 divided by 2 2/3 the first number is a whole number and the other 2 are fractions and I need help please.
Click here to see answer by checkley75(3666)

Question 104991: A backyard has dimensions 1 1/2 yards by 2 4/5 yards. What is the area of the back yard in square yards (yd2)?
these are whole numbers and fractions and the yd the 2 are one of those tiny numbers.
Click here to see answer by checkley75(3666)

Question 104990: Adult tickets for a play cost $15 and child tickets cost $13. If there were 26 people at a performance and the theater collected $364 from ticket sales, how many adults and how many children attended the play?
VERY bad with word problems
Click here to see answer by checkley75(3666)

Question 104993: Which numbers in the following set are integers?

{-1/14, -97, 22.72, -5, 80}
I never understood these kinds of problems can someone help. I am taking these from a "self help" thing in school, that does not "show" how to actually solve anything. And these ?'s are the ones I really do not get at all and need help please.
Click here to see answer by MathLover1(6611)

Question 105077: Solve. 6(2 – x) = 4x
HELP that is all I can say!!
Click here to see answer by HyperBrain(694)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495