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Question 111706: On an oblique triangle A=27.2 in., B=33.4 in., C=44.6 in.
Click here to see answer by Edwin McCravy(20055)

Question 111793: A-14 On a right triangle to solve the missing sides, how do I get the right answer for X blank Y blank top is 23.62". Little square is between that number and Y. The middle degree is 56 degrees 18'. I know the answer is X=28.39" and Y=15.75". Thanks for your help.
Click here to see answer by Edwin McCravy(20055)

Question 111795: B-18 Police Science Detectives investigating a crime find a bullet hole in a wall at a height of 7 ft 6 in from the door. The bullet passed through the wall at an angle of 34 degrees. If they assume that the gun was fired from a height of 4 ft above the floor, how far away from the wall was the gun when it was fired? I know the answer is 5 feet but how do I get it? Thanks
Click here to see answer by scott8148(6628)

Question 112416: For the following function, C computes the cost in millions of dollars of implementing a city recycling project when x percent of the citizens participate.
C (X)= 1.4X/100-X (that is 1.4x divided by 100-x)
a) Using this model, approximately what is the cost if 60% of the citizens participate?

b) Using this model, estimate the percentage of participation that can be excepted if $4 million is spent on this recycling project. Set up an equation and solve algebraically. Round to the nearest whole percent.

Click here to see answer by uma(370)

Question 112419: 3 cuberoot x -4=2
Click here to see answer by solver91311(24713)

Question 112593: Show the steps that you would take to solve the following algebraically:
4- X\X-2= -2\X-2

b) What potential solution did you obtain? Explain why this is this not a solution.

Click here to see answer by ankor@dixie-net.com(22740)

Question 112950: A-5 On an oblique triangle solve a=96in., b=58 in., B=30 degrees.
I know the answer is A=55.9 degrees, C=94.1 degrees, c=116 in, but I cannot get it to come out right. I sure would appreciate help. THANKS
Click here to see answer by edjones(8007)

Question 112952: B-6 Machine Trades On a crankshaft, AB=4.2 in., and the connecting rod AC= 12.5 in. Calculate the size of angle A when the angle at C is 12 degrees. I know the answers are 26 degrees, and 130 degrees, but cannot come up with how they got this. HELP and a Very Big THANKS.
Click here to see answer by bucky(2189)

Question 113502: A community hall has an area of 396 metres squared. A 12 metre by 16 metre rug is placed on the floor so that the width of the floor showing on the four sides is uniform. What is the distance between the rug and the wall ?
Click here to see answer by checkley71(8403)

Question 113564: 10. A wheelchair ramp is being designed for a remodeling project. The ramp must connect to a doorway located 4 feet above ground level. If a 10 degree maximum angle is planned, how far away from the building must this ramp start? Do not calculate the ramp length!
Click here to see answer by josmiceli(19441)

Question 113562: 4. A plot of land in the shape of a ssector has a radius of 100' and an included angle of 110 degrees. Determine the area of this plot of land.
Click here to see answer by josmiceli(19441)

Question 113565: 11. The bottom of a 20' ladder is placed 5' away from a structure. Where will the top of the ladder touch the building?
Click here to see answer by stanbon(75887)

Question 113594: 14. An oblique triangle has A=68 degrees, B= 79 degrees, and b= 8.0 ft. Determine the length of side c.
Click here to see answer by MathLover1(20849)

Question 113903: 8. solve the following systems of equations
y=3x-5
6x-3y=3
Click here to see answer by jim_thompson5910(35256)

Question 113902: 5. solve the following systems of equations
x=3y+7
x+y=-5
Click here to see answer by jim_thompson5910(35256)

Question 113901: 5. solve the following systems of equations
3x+5y=25
x+2y=10
Click here to see answer by jim_thompson5910(35256)

Question 113900: 1. solve these equations
y=10-x
2x-y=-4
Click here to see answer by jim_thompson5910(35256)

Question 113563: 9. A ramp 30 feet long has a vertical rise of 5 feet. Calculate the angle this ramp makes with the ground.
Click here to see answer by scott8148(6628)

Question 114535: I need to know how to solve this problem so I can explain it to my boys.
Joe tossed 4 into the pot. Their average weight was 6 lbs. Then he tossed in 5 more whose average weight was 7 lbs. Then he threw in a big one. The overall average weight of all of theim was 7 lbs. What did the big one weigh?
The answer key says 11. Can you show me how solve this?
Click here to see answer by stanbon(75887)

Question 114542: Hello can someone help me with this question. Thanks
(Po)/(t+1)
Use your equation from part a to approximate how many years it would take for the population to reach 600. Round to two decimal places if necessary.
so i think it would be like this
600/(t+1)
Click here to see answer by stanbon(75887)

Question 114384: Painting A painter wishes to mix paint worth $15 per gallon with paint worth $18 per gallon to make a 12-gallon mixture worth $16.75 per gallon. How many gallons of each should he mix?
Click here to see answer by ankor@dixie-net.com(22740)

Question 115118: C-1 The area of a square is 625 mm^2. Find its side length.
Click here to see answer by edjones(8007)

Question 115130: BEN AND REBECAA HACE TO MOW THE LAWN. WORKING ALONE, IT WOULD TAKE REBECAA TWO HOUR TO MOW THE LAWN. IT WOULD TAKE BEN 3HOURS. HOW LONG WOULD IT TAKE THEM WOKING TOGTHER.
Click here to see answer by bucky(2189)

Question 115281: 2y-4x=-3
y=2x+4
Click here to see answer by jim_thompson5910(35256)

Question 115284: y=3x-5
6x-3y=3
Click here to see answer by jim_thompson5910(35256)

Question 115282: 3x+4y=5
x-2x=-5
Click here to see answer by jim_thompson5910(35256)

Question 115260: 6. Construction
The building ciode in a certain county requires that public buildings be able to withstand a wind pressure of 25 lb/ft^2. The pressure P is related to the wind speed v in miles per hour by the formula P = v^2/390. What wjind speed will produce the maximum pressure allowed? Round to two significant digits.
Click here to see answer by ganesh(20)

Question 115210: C-5 Sheet Metal Trades- The length of a rectangular piece of sheet metal must be 5 in. longer than the width. Find the exact dimension that will provide an area of 374 square inches.
Click here to see answer by scott8148(6628)

Question 115373: for the hawks' 80 basketball games next year, you can buy seperate tickets for each game at $9 each, or you can buy a season ticket for $580. at most how many games could you attend at the $9 price before spending more than the cost of a season ticket?

Click here to see answer by bucky(2189)

Question 110636: C-17 Without using the Pythagorean theorem find the missing angles. Side d is 10, side B inside is 60 degrees, find side A.
Click here to see answer by popteens_coco@hotmail.com(1)

Question 115405: C-3 Plumbing: The length of a rectangular pipe is three times longer than its width.. Find the dimensions that give a cross-sectional area of 75 sq. in.
Click here to see answer by checkley71(8403)

Question 115403: x=1-7x^2
Click here to see answer by jim_thompson5910(35256)

Question 115404: 11-1 Landscaping: A 24-ton mixture of crushed rock is needed in a construction job; it will cost $800. If the nixture is composed of rock costing $30 per ton and $40 per ton, how many tons of each should be added?
Click here to see answer by ankor@dixie-net.com(22740)

Question 115828: C-2 Manufacturing The capacity in gallons of a cylindrical tank can be found using the formula
C=pieD^2L/924
where
C=capacity in gallons
D=diameter of tank in inches
L=length of tank in inches
(a) Find the diameter of a 42-in-long tank that has a capacity of 30 gallons.
(b) Find the diameter of a 60-in-long tank that has a capacity of 50 gallons.
Click here to see answer by checkley71(8403)

Question 116127: Please help!!! State the domain of the following:?
a) f(x)=cuberoot (2x)-8
b) h(x)=-3x^2+5x-11
c) m(x)=5\x^2-9
d) l(x)=5x-4
e) g(x)=7x+4\x^2+4

Click here to see answer by stanbon(75887)

Question 116137: Please help with the numbers for part 2 left and right of H? Please show the work in finding the numbers?
Thank You. Consider the function .?
Consider the function .?
f(x)=x^2-8x+12
a) Find h, the x-coordinate of the vertex of this parabola.
b) Substitute the two whole number values immediately to the left and right of h into the function to find the corresponding y. Fill in the table below. Make sure your x-values are in increasing order in your table.
x y

Click here to see answer by stanbon(75887)

Question 116227: Paul is five times as old as his daughter Anna. In 12 years, Paul will be three times as old as Anna is in twelve years. How old is each one now?
Click here to see answer by ankor@dixie-net.com(22740)

Question 116271: hi guys, we are really not getting how a algebraic equasion from a word
problem, eg
A woman is 6 yrs older than three times her daughters age. Their ages total
46. What are their ages?
Let x = daughter's age
Let 3x = mother's age
x + 3x=46 11.5 +3(11.5)=?46
4x =46
x 11.5 46=46
3x = 3(11.5)
3x= 34.5 woman's age 11.5 = daughter's age
Are we right or have we just not got it need some hints
Click here to see answer by psbhowmick(878)

Question 116339: Please help.
Write the following phrase using symbols. Use the variable x to represent the number.
Eight less than three times a number
My answer is 8-3x. Is this correct.
Thanks
JMS

Click here to see answer by Edwin McCravy(20055)

Question 116280: The sum of two numbers is 18. The sum of three times the smaller and twice the larger is 44. Find the two numbers.
ISBN 971-8740-69-8 Chapter 5 no. 14 page 81
Click here to see answer by heidi(17)

Question 116663: A 7-foot hole is dug that measures 26 feet by 26 feet. If a truck with a capcity of 6 cubic yards is used to haul away the dirt, how many trips must the truck make?
Click here to see answer by checkley71(8403)

Question 116667: solve for x and y

x=12-y 5x+2y=12
Click here to see answer by checkley71(8403)

Question 116800: solve 2x^2-11x-6=0
Click here to see answer by stanbon(75887)

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