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Question 1023238: The sum of an integer and twice a smaller integer is 25. If the smaller integer is subtracted from twice the larger integer, the difference is 10. What are the two integers?
Click here to see answer by Fombitz(32388)

Question 1023415: If a and b are integers and 3b*pi+14=12a*pi+7a, find the value of a+b.
I know the answer is 10. But don't know how to solve.
Click here to see answer by Edwin McCravy(20056)

Question 1023483: C=24x+80
r=44x

Click here to see answer by ikleyn(52782)

Question 1023237: one integer is 4 greater than another integer. the larger integer is also 36 less than the opposite of the smaller integer. what are the two integers?
Click here to see answer by josgarithmetic(39617)

Question 1023614: How would I be able to write an equation in slope-intercept form of the line passing through two given points?
(0,7) (1,9)
(0,3) (2,-1)
(5,2) (7,0)
Thank you!
Click here to see answer by Cromlix(4381)

Question 1023774: Mr. Carl spent $7.75 on breakfast. Afterward, he spent 1/4 of the money left in this wallet at the florist. He then had $8.50 left. How much did he start off with?
Click here to see answer by Alan3354(69443)

Question 1023910: y+-1-2/3(-1)

Click here to see answer by Alan3354(69443)

Question 1023910: y+-1-2/3(-1)

Click here to see answer by fractalier(6550)

Question 1024167: make P the subject and show all working
4(p-2q)=3p+2
Click here to see answer by LinnW(1048)

Question 1024166: Rearrange to make n the subject and show all working
m=5n-21
Click here to see answer by LinnW(1048)

Question 1024165: Rearrange to make Q the subject and show all working
a(q-c)=d
Click here to see answer by Alan3354(69443)

Question 1024180: A chemist needs 500 milliliters of a 20% acid and 80% water mix for a chemistry experiment. The chemist combines X milliliters of a 10% acid and 90% water mix and Y milliliters of a 30% acid and 70% water mix to make the 20% acid and 80% water mix.
A. write a linear system that represents the situation. MY ANSWER: x+y= 500 -My teacher did part a in class.
B. How many milliliters of the 10% acid and 90% water mix and the 30% acid and 70% water mix are combined to make the 20% acid and the 80% water mix?
C. The chemists also needs 500 milliliters of a 15% acid and 85% water mix. Does the chemist need more of the 10% acid and 90% water mix than the 30% acid and 70% water mix to make this new mix? Explain.

Click here to see answer by stanbon(75887)

Question 1024275: The lengths of rectangles A and B are both four times as long as their widths. The lengths of rectangle A is three times the length of rectangle B. If the difference in the perimeters is 16cm, find the dimensions of each rectangle.
Use simultaneous equations.
Click here to see answer by josgarithmetic(39617)

Question 1024272: Make m the subject of the formula and show all working
2(2p+m)=3-5m
Click here to see answer by Fombitz(32388)

Question 1024270: Make R the subject of the formula and show all working
P=pi R+2r+2a
Click here to see answer by Alan3354(69443)

Question 1024233: A chemist needs 500 milliliters of a 20% acid and 80% water mix for a chemistry experiment. The chemist combines X milliliters of a 10% acid and 90% water mix and Y milliliters of a 30% acid and 70% water mix to make the 20% acid and 80% water mix.

The chemists also needs 500 milliliters of a 15% acid and 85% water mix. Does the chemist need more of the 10% acid and 90% water mix than the 30% acid and 70% water mix to make this new mix? Explain.

Click here to see answer by Alan3354(69443)

Question 1024271: Make A the subject of the formula and show all working
2(3a-c)=5c+1
Click here to see answer by fractalier(6550)

Question 1024384: 2(x-5y)+6y

Click here to see answer by addingup(3677)

Question 1024395: Hi there, I have a problem I need to solve but I am unable to figure it out. If you guys could help, that would be great! Here is the problem:

Sansa and Ygritte go to the movie theater and purchase refreshments for their friends.
Sansa spends a total of $98.50 on 4 bags of popcorn and 10 drinks.
Ygritte spends a total of $71.25 on 10 bags of popcorn and 5 drinks.
Write a system of equations that can be used to find the price of one bag of popcorn and the price of one drink.
Using these equations, determine and state the price of a drink, to the nearest cent.
Thank you!
Click here to see answer by Alan3354(69443)

Question 1024379: The question
-14=-20y-7x
10y+4=2x
My attempt
-20y-7=-14
10y-2x=-4 (�2)
-20y-7x=-4
20y-4x=-8
-11x=-12
This i know is wing but help me figure out how to do this correctly please

Click here to see answer by Alan3354(69443)

Question 1024484: In a triangle, the measures of the three angles are x, x-23, and x+59. What is the measures of each angle?
Click here to see answer by ikleyn(52782)

Question 1024557: You buy 6 bags of bird food. sunflower seeds sells for $5.oo a bag. a bird feed mix is $4.00 a bad. if you spent $28.00, how many bags of each type did you buy?
Click here to see answer by fractalier(6550)

Question 1024558: Mr.sparrow was terrified when he opened his door and saw 88 legs scurrying across the floor. he quickly counted and noticed that there were a total of 12 spiders and cockroaches. how many spider and cockroaches were there.
Click here to see answer by fractalier(6550)

Question 1024578: make t the subject of the formula
y=2pt/p-t
Click here to see answer by Fombitz(32388)

Question 1024576: make x the subject of the formula
5(x-3)=y(4-3x)
Click here to see answer by Alan3354(69443)

Question 1024577: H is feet above sea level
D is miles to the horizon
Make H the subject
d=√3h/2
Click here to see answer by macston(5194)

Question 1024751: Make A the subject of the formula
P=n^2+a/n+a
Click here to see answer by Alan3354(69443)

Question 1024751: Make A the subject of the formula
P=n^2+a/n+a
Click here to see answer by ankor@dixie-net.com(22740)

Question 1025044: The perimeter of a rectangle of a wood design is 90 feet. The design length is 5 feet less than four times it's width. Determine the dimensions of the wood design
Click here to see answer by addingup(3677)

Question 1025078: 1. f(x) = x^2 � 4 and g(x) = x � 2
(a) What is (f + g)(x)?
(b) What is (f � g)(x)?
(c) What is (fg)(x)?
(d) What is (f/g)(x)?

Click here to see answer by Alan3354(69443)

Question 1025184: Illinoise and Marquette scored a total of 54 points in the first quarter of their game. Marquette scored four more points than Illinois's. what was the halftime score?
Click here to see answer by Fombitz(32388)

Question 1025430: Find solution set of equation:
2x-5y=1,3x+4y=36
Click here to see answer by ikleyn(52782)

Question 1025454: 3x-6y=6
7x-6y=38
Click here to see answer by Fombitz(32388)

Question 1025304: 1. -2x^2 - y^2 + 24y + 76 = 0
x + 3y + 2 = 0
2. x^2 + y^2 + x +3y + 2 = 0
x - y =0
3. 3x^2 + 2y^2 - 54y - 143 = 0
x - 3y - 3 = 0
4. 3x^2 - 12x - 2y - 2 = 0
3x^2 + 3y^2 -12x + 22y + 19 = 0
5. x^2 + y =0
2x^2 - y + 1 =0
6. 2x^2 + 3y^2 +3x - 12y -42 =0
x + 3y = 0
Click here to see answer by Fombitz(32388)

Question 1025495: 5(x+1)-x=4x+5

Click here to see answer by Fombitz(32388)

Question 1025517: What is the common ratio
of the geometric sequence
Shown Below?
-2, 4, -8, 16
Click here to see answer by fractalier(6550)

Question 1025528: Please help me I tried this but the answers I came up with are
x=-19
y=-17
z=44
Solve the system of equations:
2x−5y+z=−11
−x+y−z=1
x−3y=−7

Click here to see answer by Boreal(15235)

Question 1025629: Michael earns $560 per week for 40 hours of work. If he works overtime, she makes $21 per overtime hour. Find a rule for the linear function that describes her weekly salary if she works x hours of overtime. Use the rule to find how much Michael earns if he works 8 hours of overtime.

Click here to see answer by stanbon(75887)

Question 1025626: The zoo charges $14 for each adult ticket and $3 for each child. The total bill for 196 people was $1039. How many adults and how many children went.
Click here to see answer by stanbon(75887)

Question 1025670: pLEASE HELP ME I AM SO CONFUSED BEEN OUT OF SCHOOL FOR OVER 30YRS AND NEVER HAD PROBLEMS LIKE THIS
1.Maricopa's Success scholarship fund receives a gift of $ 120000. The money is invested in stocks, bonds, and CDs. CDs pay 4 % interest, bonds pay 2 % interest, and stocks pay 7.7 % interest. Maricopa Success invests $ 35000 more in bonds than in CDs. If the annual income from the investments is $ 5835 , how much was invested in each account?
Maricopa Success invested $ in stocks.
Maricopa Success invested $ in bonds.
Maricopa Success invested $ in CDs.

2.A chemist has three different acid solutions. The first acid solution contains 25% acid, the second contains 35% and the third contains 55%. He wants to use all three solutions to obtain a mixture of 75 liters containing 45%acid, using 3 times as much of the 55% solution as the 35% solution. How many liters of each solution should be used?
The chemist should use
liters of 25% solution,
liters of 35% solution, and
liters of 55% solution.
Click here to see answer by josgarithmetic(39617)

Question 1026049: y=-16 find y,if x is 0
Click here to see answer by Alan3354(69443)

Question 1026053: I am having problem this this question could you please help !Five apples and a pear cost $ 3.93. If an apple costs $ 0.33, how much does a pear cost?
Click here to see answer by jim_thompson5910(35256)

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, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515