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Question 949592: 1.what is the equation for (There is 1 less than three times as many men as women.
I think it is y=3x-1 but I was told this is wrong. Please help.
2. The question is, The sum of two numbers is 15. Twice one number equals 3 times the other. Find both numbers. I know the equations are x+y=15 and xsquared=3y, but I don't know how to solve with the exponent to find the 2 numnbers. Can you help me please. Thank You.
Click here to see answer by macston(5194)

Question 950492: What is the system of equation(solved by elimination)
3x+y-2 6x+4-2y?
Click here to see answer by Fombitz(32388)

Question 950698: Use the given equation to complete the given ordered pairs.
6x+3y=21
(1,___) and (___,-5
show work
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Question 950716: H+b=122
14h+2=b

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Question 952601: Can you help me solve for both x and y on this system of equations
Thank you.
2x - y = 10
x + y = 2
Click here to see answer by stanbon(75887)

Question 954565: Six times ashleys age plus two times sydney's age equals 38. sydney's age is also three more than five times ashley's age/ how old is sydney?
Click here to see answer by aYummyNoodle(10)

Question 954597: I am used to figuring these out when there are two equations, but this one I am not understanding. Thank you for your help.
You are buying food for a party. You need to get chips and pizza. A bag of chips are on sale for $1.89 and frozen pizzas are $5.19. You spend $31.62 at the grocery store. How much of each item did you buy?
Click here to see answer by stanbon(75887)

Question 954533: Figure A is one square surrounded by 4 triangles (one on each side of the square). Figure B has two squares right next to each other with two triangles (one on either side). Each square has the same area. Each triangle has the same area. The total area of Figure A is 141 cm^2. The total area of Figure B is 192 cm^2. Please find the area of each and triangle.
Click here to see answer by macston(5194)

Question 955040: 12 apples cost $2.00. How much will 48 apples cost?
Click here to see answer by Zucchini(70)

Question 955380: two planes, which are 1770 miles apart, fly toward each other. Their speed differ by 40mph. If they pass each other in 3hours, what is the speed of each?
Click here to see answer by macston(5194)

Question 955793: check if the followingsystem has a solution and if it has a solution, solve it.
x +10=5
3x+y-4z=-1
4x+y+6z=1
Click here to see answer by Alan3354(69443)

Question 955795: Check if the following system has a solution or not.If it has a solution,solve it.
x +10z= 5
3x+y-4z =-1
4x+y+6z = 1
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Question 956207: d = 3s + 35. Systems of equations
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Question 956523: -3y-9 if y= -8
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Question 957011: 2x+2y=(-4)
4x+8y=(-4)
suppose to be solve by elimination
Click here to see answer by Fombitz(32388)

Question 957056: Y=-1/2x+2
X+2y=4
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Question 957021: Solve the following systems of two circles by finding the intersection point(s), if any, algebraically.
x^2 + y^2 = 9
(x-3)^2 + (y+3)^2 =9
Click here to see answer by Fombitz(32388)

Question 957412: The sum of three consecutive even integers is-108 find the numbers.
Click here to see answer by josmiceli(19441)

Question 957403: The length of a rectangle is 5 inches more than 3 times the width. If the perimeter is 26, find the length and width. Could you send the solution?
Click here to see answer by macston(5194)

Question 957436: Michelle is 3 years older than her sister. In 10 year's time the sum of there ages will be 77 years. How old is each of them now.
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Question 957423: Serena has $1.85 in dimes and Nickels. He has a total of 25 coins. How many of each does he have.
Click here to see answer by Alan3354(69443)

Question 957489: Is the ordered pair (4,5) a solution to the system:
2x-3y=-7
4x-5y=0
Click here to see answer by Alan3354(69443)

Question 957560: The number of fluid ounces in a large bottle of tide is 18 ozs more then the amount in a smaller bottle. Write expression for sum of the amounts in a small and large bottle.
Click here to see answer by checkley77(12844)

Question 957557: For two consecutive odd integers, sum of smaller and four times the larger=33. Find the integers
Click here to see answer by checkley77(12844)

Question 957556: LET STATEMENT, CHOOSE VARIABLE AND STATE WHAT IS REPRESENTS, EXPRESS THE SECOND QUANTITY WITH VARIABLE YOU CHOSE -The larger of two numbers is 1 less than twice the smaller number. Write expression for smaller number minus the larger number
Click here to see answer by MathLover1(20849)

Question 957798: x+y=8
y-x=2
Click here to see answer by Saleye(10)

Question 946538: solve
y^2 4y-5>=0 express result in interval notation

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Question 931087: What is the equation of the line that passes through (4,-3) and (7,-12)
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Question 944019: Solve the system in Problems using substitution or elimination by addition.
4x- 3y = -8
-2x 3/2 y=4

Click here to see answer by Saleye(10)

Question 944017: Solve the system in Problems using substitution or elimination by addition.
2x y = 7
3x �C 2y = 0

Click here to see answer by Saleye(10)

Question 958948: what is the fifth term when the first term is negative 2 and the common ratio is negative one half?
Click here to see answer by stanbon(75887)

Question 959076: If y=k/x find k
If x is 5 & y is 4
And
If x is 5 & y is 16
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Question 959091: find the length l of a rectangular lot if the width w is 40 feet and the perimeter P is 280 feet.

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Question 959689: The sum of two numbers is 49. One number is 6 times the other. Find the numbers.

Click here to see answer by checkley77(12844)

Question 959691: Diane has $1.50 in dimes and nickels. She has a total of 16 coins. How many of each kind does she have?

Click here to see answer by josgarithmetic(39614)

Question 961002: give all solutions
y=x^2 +6x +9
x + 2y= -2

Click here to see answer by Alan3354(69443)

Question 961002: give all solutions
y=x^2 +6x +9
x + 2y= -2

Click here to see answer by lwsshak3(11628)

Question 962081: Solve each system by substitution. Tell whether the system has one solution, infinitely many solutions, or no solution.
4x - y - 4 = 0
3x + 2y - 14 = 0
Click here to see answer by Fombitz(32388)

Question 962310: You drive a car that runs on ethanol and gas. You have a 20-gallon tank to fill and you can buy fuel that is either 25 percent ethanol or 85 percent ethanol. How much of each type of fuel should you buy to fill your tank so that it is 50 percent ethanol?
Step by step please
Click here to see answer by lwsshak3(11628)

Question 962338: Solve for x,y by substitution
3x-4y=10
x=-y+1
Click here to see answer by rothauserc(4718)

Question 962344: Solve for x,y by substitution
8x-y=13
y=-8x+1
Click here to see answer by stanbon(75887)

Question 961127: what is the value of z=9

Click here to see answer by Edwin McCravy(20054)

Question 932420: An oil company owns two refineries. The daily production limits and operating costs for each refinery are given in the table below. An order is received for 1540 barrels of high-grade oil, 1650 barrels of medium-grade oil, and 2860 barrels of low-grade oil. How many days should each refinery operate so that the order can be filled at the least cost?
Refinery 1 Refinery 2
High-grade oil (barrels) 110 220
Medium-grade oil (barrels) 220 110
Low-grade oil (barrels) 330 220
Operating cost (barrels) 14,000 8,000
X = _________
Y = _________
Constraints:

Objective Function: __________

Least Cost: ___________

Click here to see answer by Edwin McCravy(20054)

Question 963248: Please simplify m^2n-mn^2
Click here to see answer by Fombitz(32388)

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