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Question 613594: What 2 things do we need to write the equation of a line ?
Click here to see answer by Theo(13342)

Question 613688: Given cos(theta)= 1/4 with theta in Quadrant 1, find cos(theta/2) , sin(theta/2) , sin2(theta) , cos2(theta):
Click here to see answer by Theo(13342)

Question 613689: Given that sin(alpha)=2/3 and sin(beta)=-1/3 with alpha in Quadrant 2 and beta in quadrant 4, find sin(alpha+beta) and tan(alpha+beta)
Click here to see answer by lwsshak3(11628)

Question 613815: Please help me
Click here to see answer by Alan3354(69443)

Question 613782: hi,
so my grade average right now in my reading class is a 88.8% and i just failed on of my tests so no what would be my grade. i got a 50% out of 100%. please tell me asap
thanks!
Click here to see answer by Alan3354(69443)

Question 614170: Honeydew melon costs four times as much as a peach . Together they coast $1.50. How much does each cost
Click here to see answer by nerdybill(7384)

Question 614215: 8<2(x+3)<=14
Click here to see answer by stanbon(75887)

Question 614222: square root of 18
Click here to see answer by richwmiller(17219)

Question 614226: An apple sells for 25 cents and a peach sells for 15 cents . A total of 10 pieces of fruit were sold for a total cost of $ 2.10. How many apples were sold
Click here to see answer by lwsshak3(11628)

Question 614320: The square and the equilateral triangle at the right have the same perimeter.Find the length of the sides of the triangle. One side of the triangle has 3x and the square has a side that is x+5. please help me! I have no clue on how to solve this!
Click here to see answer by Earlsdon(6294)

Question 614299: In the equation V=Bh what does the (B) stand for how would u find the B in a equation
Click here to see answer by Earlsdon(6294)

Question 614356: Workkng alone Carrie can paint a house in 3 hours less than Walter. Together Carrie and Walter an paint a house in 8 hours. How long does it take Walter to paint a house?
Click here to see answer by edjones(8007)

Question 614436: Tickets for a concert were sold at $26 each and $36 each.four times as many $26 tickets were sold as $36 tickets. Total revenue from the sale of tickets was $28000. How many tickets of each price were sold?
Click here to see answer by ewatrrr(24785)

Question 614438: three men can complete a certain work in 7 days. after one day's work if three more men join, the remaining work would be completed in how many days
Click here to see answer by ankor@dixie-net.com(22740)

Question 614778: How to work out equation 4(m-3)=m+6 ?
Click here to see answer by bucky(2189)

Question 614852: the smallest positive zero of the function y=cosk(x+1/2) occurs at x=1/2. find k if k>0
Click here to see answer by KMST(5328)

Question 614276: 7h - 4h = 18
12. 12. 12
H= ????
Click here to see answer by asuar010(338)

Question 615063: Hello , I had this word problem On my final and I'm stumped . Your going to a Matinne movie with children in the day and at night your taking adults . The childrens tickets are 10 dollars a piece and the adult tickets are 12 dollars .You have a total of 280 dollars how many adults and how many children give us the number of people that went ? I'm really confuse as to how to solve this
Click here to see answer by Alan3354(69443)

Question 615074: Can you teach me algebra in one week?
Click here to see answer by Alan3354(69443)

Question 615080: I need help solving this problem
-b/3+50=100
Click here to see answer by Alan3354(69443)

Question 615100: x2+7x=18
Click here to see answer by asuar010(338)

Question 615051: Adult memberships cost $10. Students $5. The students sold 50 memberships for a total of $400. How many members are adults and how many are students?

Click here to see answer by mananth(16946)

Question 615110: What is the quotient of 12 and -1/4
Click here to see answer by rfer(16322)

Question 614374: 21-1(m+8)/5=14+m/7
Click here to see answer by asuar010(338)

Question 615194: Factor by grouping. 15y^2-226y+15=
Click here to see answer by Alan3354(69443)

Question 615192: Factor. 8x^2-27+9y=
Click here to see answer by Alan3354(69443)

Question 615193: Factor. 8x^2-27xy+9y=
Click here to see answer by Alan3354(69443)

Question 615193: Factor. 8x^2-27xy+9y=
Click here to see answer by Earlsdon(6294)

Question 615196: 2x^2+8x+8=
Click here to see answer by Alan3354(69443)

Question 615266: 2x2-30 0

Click here to see answer by Alan3354(69443)

Question 615305: The class president randomly selets a three person committee from eight fellow classmates. How many different committees are possible?
Click here to see answer by stanbon(75887)

Question 615308: if someone had a batting average of .311 during a regular season, how many hits would you expect him to get in the playoffs if he has a total or 68 at-bats?
Click here to see answer by stanbon(75887)

Question 615342: What is an equation of the line that passes through (3,-2) and has a slope of -1
Click here to see answer by jim_thompson5910(35256)

Question 615341: What is the slope-intercept form of x-3y=4
Click here to see answer by solver91311(24713)

Question 615341: What is the slope-intercept form of x-3y=4
Click here to see answer by Maths68(1474)

Question 615340: What is the slope of a line passing through (-1,6) and (2,-3)
Click here to see answer by solver91311(24713)

Question 615339: simplify the expression -(z-2)+4z
Click here to see answer by Maths68(1474)

Question 615282: 27/(x+1)^2-3/(x+1)=4
Click here to see answer by math33(31)

Question 615381: What is the correct way of writting 1970 in Roman Numeral pls tell
Click here to see answer by Alan3354(69443)

Question 615417: Hello, I would like some help with this problem:
if it takes 30 seconds to make each cut, how long (in minutes) will it take to cut 14 boards that are 15 feet long into boards that are 3 feet long if one board can be cut at a time?
I can picture the problem and think is 5, but I don't know how to represent it in a formula.
Thank you.
Click here to see answer by stanbon(75887)

Question 615416: The variable x and y vary directly. When x=-4, y=16. What is the constant of variation?
Click here to see answer by stanbon(75887)

Question 614758:
Click here to see answer by asuar010(338)

Question 615415: What is the equation of the line that is perpendicular to the line y=-3x+4
Click here to see answer by asuar010(338)

Question 615436: Hello,
I would appreciate some help with this question:
A tree that is 38.5 feet tall casts a shadow that 9 feet 4 inches long. A utility pole beside the tree casts a shadow that is sixty-four inches long. Find the height of the utility pole.
Thank you!!
Click here to see answer by scott8148(6628)

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