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Question 1150819: A man made a will the in which he left 4/9 of his money to his wife and 2/5 of the remainder to his eldest child. The rest was to be shared equally among his four younger children. If each of the younger children received $108000; what was his wife's share?
Click here to see answer by greenestamps(13195)

Question 1150818: By selling a dress for $5500, a woman lost 30%. For how much should she have sold it to gain 30%
Click here to see answer by greenestamps(13195)

Question 1150818: By selling a dress for $5500, a woman lost 30%. For how much should she have sold it to gain 30%
Click here to see answer by Theo(13342)

Question 1150818: By selling a dress for $5500, a woman lost 30%. For how much should she have sold it to gain 30%
Click here to see answer by MathTherapy(10549)

Question 1150831: The sundae bar at Sarah's favorite restaurant has 5 toppings: hot fudge, sprinkles, walnuts, cherries, and whipped cream. In how many different ways can Sarah top her sundae if she is restricted to at most 2 toppings? Verify if the answer is correct.
My answer is: 5C1 + 5C2. Since you Sarah can have 1 topping on the first case and on the second case she can have 2, at most number of topping she can have.
Click here to see answer by greenestamps(13195)

Question 1150832: The Aviation Club at Rocco's school has 12 members (including Rocco). They need to choose a 3 person helicopter committee and a 4 person Glider Committee. Students can serve on either or both committees, but Rocco refuses to serve on both- he will only serve on one or the other. In how many ways can both committees be chosen?
Click here to see answer by ikleyn(52747)

Question 1150896: find the value of y if the mean of 22, 18, (2y+1) 10 and 20 is 25
Click here to see answer by ankor@dixie-net.com(22740)

Question 1150896: find the value of y if the mean of 22, 18, (2y+1) 10 and 20 is 25
Click here to see answer by ikleyn(52747)

Question 1150895: We call number example, 284 is a mountain number if its middle digit is larger than any other digit. For number. How many 3-digit mountain numbers are there?
Click here to see answer by ikleyn(52747)

Question 1150919: Find the number of 3-digit numbers greater than 500 that end in multiple of 3 using the digits 1,2,3,4,5,6,7,8,9 when no digits are repeated.
Click here to see answer by Alan3354(69443)

Question 1150956: A rectangular area of 1,050 square feet is to be enclosed by a fence, then divided down the middle by another piece of fence. The fence down the middle costs $0.50 per running foot, and the other fence costs $1.50 per running foot. Find the minimum cost for the required fence.
Click here to see answer by ikleyn(52747)

Question 1151022: . In the United Parcel Services example at the beginning , the length plus girth of a package was restricted to 108 inches. Suppose a shipper uses rectangular boxes with square ends made of a perforated material to provide ventilation, the shipper wants the total surface area to be as large as possible. Use x as the side of the square base and L as the length.
a) Write the expression for the area, A, in terms of L and x.
b) Express A(x) as a function of x alone.
c) What value of x maximizes A(x)? Prove this is a maximum.
d) What are the dimensions of the maximum-area box?

Click here to see answer by josgarithmetic(39613)

Question 1151049: A spring has a spring constant of 10 N/m. It has stored 28 J of potential energy. How far was this spring stretched
Click here to see answer by ikleyn(52747)

Question 1151056: Please help me solve this : two similar cones have corresponding slant height of 8cm and 24cm
A: find the ratio of their areas
B: the surface area of the similar cones is 102cm2 calculate the areas of the larger cone

Click here to see answer by Alan3354(69443)

Question 1151140: Nora is twice old as raj and half as old as Ethan. In 22 year's time, Ethan will
be twice old as Raj Find Nora's present age
Click here to see answer by Edwin McCravy(20054)

Question 1151250: Find the letter pair that complete this sentence
VN is to RJ as EY is to
MR is to PU as JJ is to
SW is to NR as PK is to
FN is to DL as JV is to
Click here to see answer by ikleyn(52747)

Question 1151250: Find the letter pair that complete this sentence
VN is to RJ as EY is to
MR is to PU as JJ is to
SW is to NR as PK is to
FN is to DL as JV is to
Click here to see answer by Alan3354(69443)

Question 1151355: 2173 divide by 16 in base nine

Click here to see answer by Alan3354(69443)

Question 1151613: the sum of two positive integers is twice their difference and their product is 243. find the numbers
Click here to see answer by greenestamps(13195)

Question 1151633: The length of a rectangle is three times it’s breadth .If the breadth is decreased by by 2m and the length increased by 4m,the area of rectangle is decreased by athird .Find the breadth of original rectangle.Hence finds its area.
Click here to see answer by josgarithmetic(39613)

Question 1151720: What are the three consecutive numbers that add up to 198
Click here to see answer by Alan3354(69443)

Question 1151759: The boat could sale at 5 times the speed of the current in the river thus the boat could go 84 miles upstream in 4 hours ‌more than it took to go 54 miles downstream. What was the speed of the boat in still water?
Click here to see answer by ikleyn(52747)

Question 1151887: If x^x=2, calculate x^x^x+1 + x^x^1+x^1+x
Click here to see answer by ikleyn(52747)

Question 1151932: Two fractions have the same the denominator, 8. The sum of the two fractions is ½. If one of the fractions is added to five times the other, the result is 2. Find the two fractions.
Click here to see answer by Theo(13342)

Question 1151942: Solve: log(16x + 2) - log(4x + 2) = log(2x + 4).
Take note: All are in base 10.

Click here to see answer by Alan3354(69443)

Question 1151941: The probability that a civil servant owns a car is 1/6. If two civil servant are selected at random. find the probability that:
(i) each owns a car;
(ii) only one owns a car.
Click here to see answer by ikleyn(52747)

Question 1151940: Mr. Okazaki invested an amount of money in two separate finance firms at the ratio of 3:5. His profits was calculated on 8% and 10% rate simple interest respectively. If after a year, he received a sum of ¥92,000 as total interest, calculate, correct to the nearest whole number, the total amount invested.

Click here to see answer by ikleyn(52747)

Question 1151972: The probability that a civil servant owns a car is 1/6. If two civil servant are selected at random. find the probability that:
(i) each owns a car;
(ii) only one owns a car.
Click here to see answer by ikleyn(52747)

Question 1151973: The probability that a civil servant owns a car is 1/6. If two civil servant are selected at random. find the probability that:
(i) each owns a car;
(ii) only one owns a car.
Click here to see answer by ikleyn(52747)

Question 1151991: The math club calls the Direct pasta company and determines the cost to order any pasta dish is $9.00 plus a $2.00 delivery fee what is C(p) the average cost of a pasta dish in terms of p the number of pasta dishes ordered
Click here to see answer by josmiceli(19441)

Question 1151931: The ratio of the length of arc of a circle to the circumference of the circle is 3:7, If the diameter of the circle is 14 cm, Calculate, correct to three significant figures
(a) perimeter of the minor sector
(b) area of the minor sector
Take pi = 22/7
Click here to see answer by MathLover1(20849)

Question 1152026: Solve the simultaneous equation;
sin(x + y) = 1/sqrt2;
cos2x = - ½.
For the value of x,y ranging from 0° to 360°

Click here to see answer by ikleyn(52747)

Question 1152029: Eliminate θ from these equation
(i) x = sinθ + tanθ, y = sinθ - tanθ
(ii) x = atanθ, y = bcosθ
(iii) x = 1 + tanθ, y = cosθ
Click here to see answer by ikleyn(52747)

Question 1152027: Given that u = (1 + sinθ)/cosθ, prove that 1/u = (1 - sinθ)/cosθ and deduce formular for sinθ and cosθ in terms of u.
Click here to see answer by math_helper(2461)

Question 1152055: For a recent semester, the number of men enrolled in elementary algebra totaled 7 more than 4 times the number of women. Find the number of men enrolled in elementary algebra given that the total number of students enrolled was 187.
Click here to see answer by ikleyn(52747)

Question 1152054: A pipe is 88 cm in length and must be cut so that one piece is 16cm longer than the other piece . Find the length of each piece of pipe .
Click here to see answer by ikleyn(52747)

Question 1152053: Sally is 6 years more than twice as old as Sue. The difference between their ages is 48 years. How old is Sally?
Click here to see answer by josgarithmetic(39613)

Question 1152053: Sally is 6 years more than twice as old as Sue. The difference between their ages is 48 years. How old is Sally?
Click here to see answer by greenestamps(13195)

Question 1152053: Sally is 6 years more than twice as old as Sue. The difference between their ages is 48 years. How old is Sally?
Click here to see answer by MathTherapy(10549)

Question 1152103: Two angles are complementary. The measure of the larger angle is 10 more than 4 times the measure of the smaller angle. Find the measure of both angles.
Click here to see answer by josgarithmetic(39613)

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