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Question 1170959: Patrick is 4 years younger than Charlie. Samantha is three times as old as Charlie and Samantha is half the age of Donald. If Alex is 2 years older than Charlie and all five of their ages total 142, how old is Patrick?

Click here to see answer by greenestamps(13198)

Question 1169971: Rachel purchased a prepaid phone card for $15. Long-distance calls cost 6 cents a minute using this card. Rachel used her card only once to make a long-distance call. If the remaining credit on her card is $12.42, how many minutes did her call last?

Click here to see answer by math_helper(2461)

Question 1170915: Solve the following pair of simultaneous equations.
3/5x - 4y = -1
0.8x - 3.5y = 1/2
Click here to see answer by Alan3354(69443)

Question 1171038: If y varies directly as x, and y is 56 when x is 21, find y when x is 74.
Click here to see answer by MathLover1(20849)

Question 1171037: Separate $150 into two parts so that the smaller may be to the greater as 7 is to 8.

Click here to see answer by josgarithmetic(39616)

Question 1171037: Separate $150 into two parts so that the smaller may be to the greater as 7 is to 8.

Click here to see answer by ikleyn(52776)

Question 1171099: Jason answered 12 questions correctly on a test worth 150 points. Each question was worth 10 points. What percent did Jason earn on the test?
Click here to see answer by MathLover1(20849)

Question 1171187: 67°30' (angles to radians)
Click here to see answer by math_helper(2461)

Question 1171277: what is the answer to this -k + 2 - 17 -5k + 10 - 6k

Click here to see answer by ikleyn(52776)

Question 1171277: what is the answer to this -k + 2 - 17 -5k + 10 - 6k

Click here to see answer by josgarithmetic(39616)

Question 1171349: fortimes a number is 16(frame equation)

Click here to see answer by josgarithmetic(39616)

Question 1171403: Whitney has 20 coins in her purse. Some are quarters and some are dimes. The total value of the coins is $3.35. How many quarters does Whitney have?

Click here to see answer by ikleyn(52776)

Question 1171441: Find the values of a if coefficient of x^2 in expansion (2+16x)/(2+ax)^3 is -9/2.
Click here to see answer by greenestamps(13198)

Question 1171431: D. Perform the modular arithmetic as indicated.
1. (37 + 45) mod 12
2. (42 + 35) mod 3
3. (36 - 10) mod 13
4. (8 · 16) mod 7
5. (11 + 1) mod 12
6. (60 - 32) mod 9
7. (5 · 12) mod 4
8. (24 - 41) mod 8
9. (28 + 31) mod 4
10. (15 - 32) mod 7
Click here to see answer by ikleyn(52776)

Question 1171430: Determine whether each of the following is true.
1. 7 ≡ 12 mod 5
2. 3 ≡ 24 mod 7
3. 33 ≡ 15 mod 9
4. 5 ≡ 2 mod 26
5. 33 ≡ 49 mod 4
6. 25 ≡ 85 mod 12
7. 18 ≡ 60 mod 7
8. 7 ≡ 21 mod 3
9. 100 ≡ 20 mod 5
10. 88 ≡ 5 mod 9
11. 120 ≡ 6 mod 20
12. 5 ≡ 20 mod 1
13. 45 ≡ 9 mod 5
14. 72 ≡ 30 mod 5
Click here to see answer by ikleyn(52776)

Question 1171584: PLEASE HELP!!!!!!!!! PHYSICS PROBLEM HERE
Charlie pushes on a wagon with a force of 12 N to the north and Eli pushes on the wagon with
a force of 7.5 N east. What is the resultant force experienced by the wagon?
Click here to see answer by ikleyn(52776)

Question 1171602: Harry is 56 years old this year. In 4 more years, he’ll be twice as old as his daughter, Ruby. How old is Ruby now?
Click here to see answer by Alan3354(69443)

Question 1171602: Harry is 56 years old this year. In 4 more years, he’ll be twice as old as his daughter, Ruby. How old is Ruby now?
Click here to see answer by ikleyn(52776)

Question 1171679: Rose is in charge of buying candy and drinks for a party. She spent $25 on drinks and each bag of candy costs $2.10. Which equation can be used to find, y, the amount of money she spent after buying x bags of candy?
A.
y = 25x + 2.10
B.
y = 25x - 2.10
C.
y = 2.10x - 25
D.
y = 2.10x + 25
Click here to see answer by Boreal(15235)

Question 1171737: Initially, 10 students at Kampung Tembikai contracted influenza. The flu spread
over time and the total number of students who eventually contracted the flu
approached but never exceeded 200. Let P(𝑡) denote the number of students who
had contracted the flu after 𝑡 days, where P is an appropriate function.
Sketch the graph of P and indicate where the function is increasing by showing the
interval. If the horizontal asymptote exists, what would the line be? Discuss the
concavity of the graph by explaining its significance. Identify the inflection point and
explain why it exist.
Click here to see answer by Boreal(15235)

Question 1171736: Razali has the following choices of investing 𝒙 Malaysian Ringgit (in thousands) for
8 years duration:
a. Deposit the money in an account paying 6% semiannually.
b. Deposit the same amount of money in 2 accounts. One account pays
5% monthly and the other one account pays 7% compounded every 2 months.
c. Deposit half of the money in an account that pays interest rate 9% annually
and invest another half of the money in a business such that after 8 years he
will get 20% extra.
d. Investing in a business such that the expected return on investment is
1.6 times higher.
e. In capturing new depositors, the finance institution offers a competitive interest
rate of 5.9% semiannually. To be eligible for RM50, the depositors will be
required to open an account with a minimum amount of initial deposit RM1000.
Show the appropriate calculations by assuming the appropriate value of 𝒙 and help
Razali to make the best decision to invest his money.
[30 marks]
Click here to see answer by Solver92311(821)

Question 1171847: A wire is needed to support a vertical pole 8 feet tall. The cable will be anchored to a stake 6 feet from the base of the pole. How much cable is needed?
A cable of length _____ feet is needed.
Click here to see answer by Boreal(15235)

Question 1171810: An object is attached to a coiled spring. The object is pulled down (negative direction from the rest position) 2 centimeters, and then released. Write an equation for the distance d of the object from its rest position, after t seconds if the amplitude is 2 centimeters and the period is 6 seconds.
Click here to see answer by htmentor(1343)

Question 1171814: 2x+3y+2z=1;y find the value of y only y

Click here to see answer by Boreal(15235)

Question 1171924: Which expression below is NOT equivalent to 3x−6
?

Click here to see answer by ikleyn(52776)

Question 1171923: A wire is needed to support a vertical pole 20 feet tall. The cable will be anchored to a stake 15 feet from the base of the pole. How much cable is needed?
Is the answer 25 or I'm wrong?
A cable of length ______ feet is needed.
Click here to see answer by ikleyn(52776)

Question 1171925: A triangle is formed by the building's height and shadow. Another triangle is formed by the flagpole's height and shadow. Using the following diagram, find the height of the building.
The building has a height of x and a shadow of 45 feet. The flagpole has a height of 40 feet and a shadow of 5 feet.
45ft.
5ft.
40ft.
The height of the building is _________ feet.
Click here to see answer by Boreal(15235)

Question 1171953: Manuel has scored 76,76, and 90 on his previous three tests. What score does he need on his next test so that his average (mean) is 75?

Click here to see answer by ikleyn(52776)

Question 1171993: The minute hand of a clock in a clock tower has a length of 36 inches.
If a butterfly landed on the extreme tip of the minute hand at exactly 12:00 noon and rode the minute hand until 12:45 p.m., how far did the butterfly ride along the arc traced by the minute hand? Round your answer to the nearest foot.

Click here to see answer by ikleyn(52776)

Question 1171981: A student received scores of 86, 76, and 90 on three quizzes, what is the lowest score the student can get on the next test to achieve an average score of at least 70?
Click here to see answer by ikleyn(52776)

Question 1171995: A pizza in the shape of a circle has a diameter of 12 inches. It is placed in a box shaped like a square whose sides have a length of 12 inches. What is the percent of the area of the bottom of the box that is covered with pizza?
Click here to see answer by ikleyn(52776)

Question 1171992: The area of a small circular dish is 8 square inches. If the radius of the dish were TRIPLED, what would be the area of the new, larger dish?
Click here to see answer by ikleyn(52776)

Question 1171980: What is the simplest form of the expression 7i( −3i) + 9?
Click here to see answer by ikleyn(52776)

Question 1171955: The 9 members of a fraternity have the following test scores:
66, 118, 119, 120, 122, 125, 127, 128, 129.
Which measure should be used to summarize the data?
Click here to see answer by Boreal(15235)

Question 1171956: As part of the U.S. Census, the number of children is reported for each family in the U.S.
Which measure gives the most common number of children for a U.S. family?
Mean
Median
Mode

Click here to see answer by Boreal(15235)

Question 1172066: A triangle is formed by the building's height and shadow. Another triangle is formed by the flagpole's height and shadow. Using the following diagram, find the height of the building.
The building has a height of x and a shadow of 40 feet. The flagpole has a height of 20 feet and a shadow of 4 feet.
40 ft
4 ft
20 ft
The height of the building is ________ feet.

Click here to see answer by josgarithmetic(39616)

Question 1172093: There are 132 people in a café. Half of them pay P121.80 each and 2/3 of the remaining people pay P150 each. The rest pay P165.60 each. The manager realizes that he is still short of P330. (a) What is the total cost of the consumed coffee? (b) If everyone shares the cost of the coffee equally, how much shall each person pay?

Click here to see answer by ikleyn(52776)

Question 1172139:
Click here to see answer by 69420(3)

Question 1172174: At a community center, you want to rope off an area that is adjacent to a building. The length of the building is 10 ft. You have 42 ft of rope. What are the possible widths of the roped-off area?
A. 11 ft or more
B. 13 ft or more
C. 32 ft or less
D. 16 ft or less
Click here to see answer by Boreal(15235)

Question 1172196: Can you help me solve this equation:((( m= 1-3 and 4 - 8 )))
Click here to see answer by ikleyn(52776)

Question 1172152: The point P lies on the line joining A(-1,-5) and B(11,13) such that AP=(1/3)AB.
(i) Find the equation of the line perpendicular to AB and passing through P.
The line perpendicular to AB passing through P and the line parallel to the
x-axis passing through B intersect at the point Q.
(ii) Find the coordinates of the point Q.
Click here to see answer by Boreal(15235)

Question 1172094: Mrs. Ramos sold twice as many butter cookies as chocolate chip cookies and
twice as many chocolate chip cookies as coconut cookies. Each cookie was sold
for P8. Each box of 6 cookies was sold for P45. If she sold 80 chocolate chip
cookies, how much did Mrs. Ramos earn from the sale of all the cookies?

Click here to see answer by ikleyn(52776)

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, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045, 18046..18090, 18091..18135, 18136..18180, 18181..18225, 18226..18270, 18271..18315, 18316..18360, 18361..18405, 18406..18450, 18451..18495, 18496..18540, 18541..18585, 18586..18630, 18631..18675, 18676..18720, 18721..18765, 18766..18810, 18811..18855, 18856..18900, 18901..18945, 18946..18990, 18991..19035, 19036..19080, 19081..19125, 19126..19170, 19171..19215, 19216..19260, 19261..19305, 19306..19350, 19351..19395, 19396..19440, 19441..19485, 19486..19530, 19531..19575, 19576..19620, 19621..19665, 19666..19710, 19711..19755, 19756..19800, 19801..19845, 19846..19890, 19891..19935, 19936..19980, 19981..20025, 20026..20070, 20071..20115, 20116..20160, 20161..20205, 20206..20250, 20251..20295, 20296..20340, 20341..20385, 20386..20430, 20431..20475, 20476..20520, 20521..20565, 20566..20610, 20611..20655, 20656..20700, 20701..20745, 20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650