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Question 184495: The basal energy requirment B is the number of calories that a person needs to maintain the life process. For a 28 year old felame with a height of 160 kilometers and a weight of 45 kilograms, B is 1300 calories. If her weight increases to 50 kilograms, then B is 1365 calories. There is a linear equation that expresses B in terms of her weight. Find the equation and find the basal energy requirment if her weight is 53.2 kilograms
Click here to see answer by ankor@dixie-net.com(22740)

Question 184890: Hello:
I am trying to find out how to work this question:
If Sally can paint a house in 4 hours and John can paint the same house in six hours, how long will it take for the both of them to paint the house together?
The answer says it's 2 Hours 24 Minutes
I can not, for the life of me, figure out how they got this answer. I have tried to work it multiple ways, but can't come up with that answer. PLEASE HELP!!!
Click here to see answer by stanbon(75887)

Question 185586: Tickets for a concert were sold to adults for $3 and children for $2. If the total receipts were $824 and twice as many adult tickets were sold as childrens tickets how many of each were sold?

Click here to see answer by Earlsdon(6294)

Question 185585: Donna invested her $33,000 bonus and received a total of $970in intrest after one year.If part of the money returned 4% and the remainder 2.25% then how much did she invest at each rate?
Click here to see answer by Earlsdon(6294)

Question 185787: the sum of three times a number and 7 more than the number is the same as the difference between -11 and twice a number. what is the number?
Click here to see answer by edjones(8007)

Question 186463: sum of two numbers is 36.
One number is 3 times the other number.
What are the numbers?
Click here to see answer by feliz1965(151)

Question 187497: The number of girls in Mr Beckers Algebra class exceeded the number of boys by 4. If there were 30 pupils in the class, how many were girls?
Click here to see answer by jojo14344(1513)

Question 187496: Gary and Cindy went to the candy store where chocolate bars cost 90 cents each and taffy bars cost 75 cents each. They spent 16.80 and bought 4 more chocolate bars than taffy. How many chocolate bars did they buy?
Click here to see answer by checkley77(12844)

Question 187596: The perimeter of a rectangle is 144m. The length is 9m more than twice the width. What are the deminsions and how do I place the numbers in an equation?
Click here to see answer by scott8148(6628)

Question 187675: An airplane flew for 4hr with a 20-mph tailwind. The return flight against the same wind took 5 hr. Find the speed of the plane in still air.
Can anyone help me? I do not know how to even start.

Click here to see answer by sridhar(2)

Question 188991: Please help me to solve this.: In 2 yrs Jack will be double his sister Jen's age. The sum of Jacks age and 3 times Jen's age equals 66.
What is Jen's age? What is the formula to find this out and what is the answer?
I have tried X+3Y=66; then X+y= 66/3; X+Y=22; then coming up with Jen's age as 10, but somehow this doesn't seem right. I hope you can help.
Click here to see answer by stanbon(75887)

Question 189716: The sum of two numbers is 99. If 10 times the smaller is decreased by 2 times the larger, the result is 30. Find the numbers.
Click here to see answer by jim_thompson5910(35256)

Question 189716: The sum of two numbers is 99. If 10 times the smaller is decreased by 2 times the larger, the result is 30. Find the numbers.
Click here to see answer by jonvaliente(64)

Question 189855: An individual is trying to ensure that he or she earns an A (90%) in a particular college course. Assume all grades thus far are weighted equally. The grades for the course are 88, 92, 83, 76. All that is left is a final exam that counts as two grades. What grade is needed to ensure the student makes an A in the course?
Click here to see answer by ankor@dixie-net.com(22740)

Question 189856: A printing company charges $15.00 per order plus $0.10 per page for printing flyers. A second company charges $12.00 per order plus $0.15 per page. Find the equilibrium point, and explain what this point means in the context of the data.
Click here to see answer by jojo14344(1513)

Question 189853: Sales, given in thousands, for a particular company in 1990 were at 140.5 and in 2000 at 180.5. Estimate the sales for the years 1997 and 2003. Let x = 0 correspond to 1990. Using the distance formula, find the approximate distance between the values in 1997 and 2003. Explain the difference between using the distance formula and simply subtracting the 2 estimated values.
Click here to see answer by jojo14344(1513)

Question 191203: I really need help on this problem so if you guys would be so kind to help!
Thanks
what is the x-coordinate of the point of inflections of the graph of y= (1/10)x^5 + (1/20)x^4 - (3/10)?
a) -4 b) -3 c) -1 d) -3/10 e) 0
Click here to see answer by solver91311(24713)

Question 192005: three times the sum of a number and 4 is 3. find the number

Click here to see answer by jim_thompson5910(35256)

Question 192014: If the larger of two consecutive even numbers is subtracted from twice the larger, the result is 12. Find the two numbers.
Click here to see answer by RAY100(1637)

Question 192011: If twice the smaller of two consecutive numbers is added to the larger, the result is 7. Find the smaller one.
Click here to see answer by RAY100(1637)

Question 192339: From a worksheet:
Two objects weigh in at 2000kg. The heavier object is 240 less than 3 times the weight of the lighter object. How much does the heavier object weigh?
The answer is apparently 1440kg, however I have no idea how to reach this as sad as that may seem. The lighter object is what's throwing me.

Click here to see answer by jojo14344(1513)

Question 193164: a sales person earns a basic salary of $600 per month plus commission of 10% on sales she makes. she finds that on average she takes 1 1/2 hours to make $100 worth of sales. how many hours must she work on the average each month if her monthly earnings are to be $2000?
Click here to see answer by ejazali_syed(7)

Question 193713: In a writing competition the first place wineer received 1/2 of the prize money, the second place winner received 1/4 of the prized money. What was the total amount of prize money distributed if the winner receives $6,000?
Click here to see answer by Mathtut(3670)

Question 193979: If five 2-liter bottels of soda are split evenly among 30 people how many liters of soda will each person get?
Click here to see answer by Mathtut(3670)

Question 194386: a get together party charged at $8/head became $9/head because 8 will not attend the party. how many people attended the party?
note: this question was printed and given as a handout in class so i do not know the book reference
thank you
Click here to see answer by stanbon(75887)

Question 194417: I need help with these two problems.
1. 10m^4n^2-2m^3n^3-4m^2n^4
2. Find three consecutive odd integers such that three times the first minus the second is one more than the third.
Click here to see answer by checkley77(12844)

Question 194722: For what real number k does 3x2 k factor as
3(x 2)(x + 2)?
Click here to see answer by jim_thompson5910(35256)

Question 194800: A farm has 60 cows,pigs, and horses. There are 4 times as many cows and pigs as horses. How many horses are there?
Click here to see answer by RAY100(1637)

Question 194925: Throwing a wrench. An angry construction worker throws
his wrench downward from a height of 128 feet with an
initial velocity of 32 feet per second. The height of the
wrench above the ground after t seconds is given
by S(t)= 16t^2 32t + 128.
a) What is the height of the wrench after 1 second?
b) How long does it take for the wrench to reach the
ground?
Click here to see answer by ankor@dixie-net.com(22740)

Question 195162: a ball is thrown from a height of 15 ft with an initial upward velocity if 5 ft/s. Use the formula h=1 16r2(squared)+vt + s to find out how long it will take for the ball to hit the ground.
thank you.
Click here to see answer by solver91311(24713)

Question 195271: Skydiving. If a skydiver jumps from an airplane at a
height of 8256 feet, then for the first five seconds, her
height above the earth is approximated by the formula
h(t )16t2 8256. How many seconds does it take
her to reach 8000 feet?
Click here to see answer by solver91311(24713)

Question 195544: Hi, I am having trouble figuring out this problem. What is the formula for figuring the height of a package when you have the base of the box?
I know there must be some formula to use to figure it out. Thank you.
Dimensions of a box. Rosita�s Christmas present from
Carlos is in a box that has a width that is 3 inches shorter
than the height. The length of the base is 5 inches longer
than the height. If the area of the base is 84 square
inches, then what is the height of the package?
Click here to see answer by ankor@dixie-net.com(22740)

Question 195773: Hi would you help me to figure the formula for T(x). I am having a hard time with word problems.
Before and after. Jessica traveled 2x +50 miles in the
morning and 3x - 10 miles in the afternoon. Write a
polynomial T(x) that represents the total distance that she
traveled. Find the T(20).

Click here to see answer by stanbon(75887)

Question 196154: the difference between four times a number and twice the product of the number and one more than the number when translated into a mathematical expression is?
Click here to see answer by RAY100(1637)

Question 196604: Bear population. To estimate the size of the bear
population on the Keweenaw Peninsula, conservationists
captured, tagged, and released 50 bears. One year later, a
random sample of 100 bears included only 2 tagged bears.
What is the conservationist�s estimate of the size of the
bear population?
Click here to see answer by checkley77(12844)

Question 196602: Commuting students. At a well-known university, 1/4 of the
undergraduate students commute, and 1/3 of the graduate
students commute. One-tenth of the undergraduate students
drive more than 40 miles daily, and 1/6 of the graduate
students drive more than 40 miles daily. If there are twice
as many undergraduate students as there are graduate
students, then what fraction of the commuters drive more
than 40 miles daily?
Click here to see answer by ankor@dixie-net.com(22740)

Question 196713: Tom's uncle owns a triangular piece of land. the perimeter feance that surrounds the land measures 378 yards. The shortest side is 30 yards longer than one-half of the longest side. the second longest side is 2 yards shorter than the longest side. What is the length of each side?
Click here to see answer by ankor@dixie-net.com(22740)

Question 196735: Please help me with this problem. The number of acres in the McBride farm is 4.5 times the number of acres in the Smyth farm. Together the two farms have 550 acres. Using an equation,find the number acres that each farm has.
Thank you.
Click here to see answer by stanbon(75887)

Question 196881: Please help me justify my answer with 'Algebra'
Mr Dean gives 'Mars Bars' to students that solve his 'Problem of the Day'.
In the last few weeks, this has cost him 18 Mars Bars altogether, no two of the five students who won them received the same number of Mars Bars. However, one clever student got as many as three of the others combined.
How were the Mars Bars distributed amongst the 5 winners?
I know the answer is 1,2,3,4 and 8 but I have to show algebraically that there is only ONE possible solution. How do I do this?

Click here to see answer by stanbon(75887)

Question 197022: The quotient of a number and four is 36. Find the number
Click here to see answer by user_dude2008(1862)

Question 197152: a rock is dropped from a 256 ft cliff the height in feet, of the rock above the water after t seconds is described by the polnomial 256-16t^2. factor this expression completely.
i am really confused with this whole factoring polynomials and these word problems have really stumped all help is greatly appreciated thank you tanya
Click here to see answer by solver91311(24713)

Question 197579: 94)
Sharing cost. The members of a flying club plan to share
equally the cost of a $200,000 airplane. The members
want to find five more people to join the club so that the
cost per person will decrease by $2000. How many members
are currently in the club?

Click here to see answer by stanbon(75887)

Question 198128: three apples and five grapes cost $1.70; five apples and three grapes cost $2.46. What is the cost of one grape?
Click here to see answer by josmiceli(19441)

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