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September 15, 2014

Homework Help: Math

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Recent Math Questions

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math
ok i dont know this so here it is it says use the number 913,256 and write the period that has the 913. what did they just say?
Tuesday, August 26, 2014 at 3:18pm

Math
At Lucy's Restaurant,1 3/4 a serving of tomato soup is cups. Lucy makes 63 cups of tomato soup each day. How many servings of tomato soup does she make?
Tuesday, August 26, 2014 at 3:16pm

Math
Pete is 5.77 cm taller than Kyle. Kyle is 155.09 cm tall. How tall is Pete?
Tuesday, August 26, 2014 at 3:13pm

Check my math please ASAP
If im not right then can you tell me which are wrong and right thanks 1.B 2.C 3.A 4.C 1.Which inequality is false? A.3 < 7 B.–8 < –5 C.–9 > –4 D.10 > –12 2.What are the integer solutions of the inequality |x| < 2 ? A.2 only B.2 and –...
Tuesday, August 26, 2014 at 3:10pm

Math
I'm writting a conclusion about my essay on poverty what should i say
Tuesday, August 26, 2014 at 3:07pm

Math
Pete is 5.77 cm taller than Kyle. Kyle is 155.09 cm tall. How tall is Pete?
Tuesday, August 26, 2014 at 2:57pm

math
Find two unit vectors that make an angle of 60° with v = <6, 8>
Tuesday, August 26, 2014 at 2:53pm

Math
What is the value of the expression when r = 3 and s = 11? 80 + (r2 × s2) + s (The "2" are squared, so its r squared and s squared.)
Tuesday, August 26, 2014 at 2:47pm

math
which property is represented by 5+(8)=8+5? A)Identity B)Associative C)Commutative D)Distributive Is the answer C
Tuesday, August 26, 2014 at 1:57pm

math
How many possible license plates can be made with 4 letters followed by 4 numbers and must start with the letter C
Tuesday, August 26, 2014 at 1:39pm

Math
(a) Themba wants to deposit a sum of money into a savings account so that he will have R30 000 in 3 years time for an overseas holiday how much money must he deposit into the account if the interest paid on the savings is 8,5% p.a (b) R1 000 is deposited in a savings account ...
Tuesday, August 26, 2014 at 1:26pm

math
What is another way to write 3x(4+7)? A.3x4+7 B.3x4x7 C.3x4+4x7 D.(3x4)+(3x7) Is the answer D?
Tuesday, August 26, 2014 at 1:11pm

math
25 August 2014 write in five letters without using numbers
Tuesday, August 26, 2014 at 12:40pm

math
Have I worked this problem correctly? The direction was to solve these equations 6x^2 +7 ______ 3x^2 +1 x^2-X^2=x 3/6=2 7-1=6 2x6
Tuesday, August 26, 2014 at 12:23pm

math
A is 15 years elder than B.5 years ago A is four times as old as B.find their present ages
Tuesday, August 26, 2014 at 12:23pm

History,geography,tourism,math lit,zulu.
Do Jiskha have A sarturday schools near soweto
Tuesday, August 26, 2014 at 11:00am

Math
Rachel is 2 times as tall as Kendall. Rich is 3 inches taller than Rachel. Brian is 74 inches tall and 1 inch shorter than Rich. How tall is Kendall?
Tuesday, August 26, 2014 at 10:50am

math
a. The formula for the velocity of an object is , where v is the velocity of the object, d is the distance traveled, and t is the time elapsed while that distance is traveled. If you had only this formula to work with, what should your first step be in determining how long it ...
Tuesday, August 26, 2014 at 10:17am

Math
Olivia uses 3/8 cup brown rice flour to make healthy dog treats. The expression 3/8 × t represents how much flour is needed to make t treats. How much brown rice flour is needed to make 10 1/2 treats?
Tuesday, August 26, 2014 at 10:01am

Math
The ratio of the number of red and blue candies in a jar is 7:8. If the percentage increase in the number of red and blue be 20% and 10% respectively , what will be the new ratio?
Tuesday, August 26, 2014 at 8:42am

Math 114
a store mixes kenyan coffee worth $11 per kilogram and turkish coffee worth $13 per kilo gram. The mixture is to sell for $12 per kilogram. Find how much of each should be used to make a 588 kilo mixture.
Tuesday, August 26, 2014 at 8:40am

Math
The incomes of Aslam, Babar and Rafeeq are in the ratio 2:3:5. If the increments of 15%,10% and 20% are allowed respectively in their salaries, then what will be new ratio of their income?
Tuesday, August 26, 2014 at 8:14am

Math
Evaluate: e^3016 (e is exponential)
Tuesday, August 26, 2014 at 6:19am

math
12,24,72,288 what is next
Tuesday, August 26, 2014 at 12:21am

math
(6x^4-x^3+11x^2-2x-2)/(3x+1)
Tuesday, August 26, 2014 at 12:19am

Math
The problem is ; 10x+8-y X= 2 Y=5 Every time I do it I get 23 but my teacher says I'm wrong . where am I wrong ? someone help me please .
Monday, August 25, 2014 at 11:20pm

Math
1 77/88 - 5 64/88 =
Monday, August 25, 2014 at 11:09pm

math
In October, a HARDWARE STORE purchased snow shovels for $8 each. The original markup was 50% based on the selling price. In December, the store had a sale and marked down the shovels by 20%. By January 1, the sale was over and the shovels were marked up 15%. In March, the ...
Monday, August 25, 2014 at 10:21pm

math
I having problems figuring out how to work this problem 6X^2+7/3X^2+1 is the answer 3X+6?
Monday, August 25, 2014 at 10:00pm

Math
2+22+23+......+29=? A. 2044 B. 1022 C. 1056 D. None of these
Monday, August 25, 2014 at 9:59pm

Math
1 7/8 - 5 8/11 =
Monday, August 25, 2014 at 9:43pm

Math
421.5680 / 83.45
Monday, August 25, 2014 at 9:27pm

Math
x^(log10x)=100 I'm not sure how to do this at all...
Monday, August 25, 2014 at 9:27pm

Math
I am a number less than 40. One of my factors is 3. The sum of my digits is 12. What number am I?
Monday, August 25, 2014 at 9:17pm

Math
Emily collected $950 selling Girl Scout cookies all day Saturday. Emily's troop collected 20 times as much as she did. Howmuch did Emily's troop raise?
Monday, August 25, 2014 at 8:08pm

Math
A game has a box containing four marbles - three red and one green. The player draws one marble at a time without replacement until the green marble is drawn. After that, the game is over. The game ends in four different ways. What is the probability of drawing a green marble ...
Monday, August 25, 2014 at 8:05pm

Math
I am a number between 20 and 30 one of my factors is 4 the sum of my digits is 10 what number am I ?
Monday, August 25, 2014 at 8:04pm

Calculus-Math
Find the derivative of 4 sec^7 (πt − 6)?
Monday, August 25, 2014 at 7:58pm

Math
3y=4x-18 3x=7-y
Monday, August 25, 2014 at 7:40pm

Math
An item is on sale for $12, which is at a discount of 20% off the original price. What is the original price? How do I do this without a calculator? Thank you !
Monday, August 25, 2014 at 7:38pm

math
Jackie wants to buy a new CD player. It costs $ 32.95. She has saved $ 26 and has a coupon for 30 % off the price. Does Jackie have enough money to buy the CD player?
Monday, August 25, 2014 at 7:34pm

math
what is the exponential form of 1000 * 1000
Monday, August 25, 2014 at 7:30pm

5th grade math
What is the value of n 9*27+2*31-28=n
Monday, August 25, 2014 at 6:54pm

Math
What is 52.5/0.5 Also 12+16 divided by (3+1)
Monday, August 25, 2014 at 6:52pm

5th grade math
what is the best estimate for the product of 289 and 7
Monday, August 25, 2014 at 6:31pm

Math
what is the solution to x + 4 = 12? A. X = 16 B. X = 12 C. X = 8 (MY ANSWER) D. X = 4 What is the value of b is 9 + b = -8 A. b = -17 B. b = -1 C. b = 1 D. b = 17(MY ANSWER) What is the solution to q + (-9) = 12? A. q = -21 B. q = -3 C. q = 3 ( MY ANSWER) D. q = 21 Are my ...
Monday, August 25, 2014 at 6:01pm

math
kevin has a rabbit,a ferret, a gerbil, and a turtle.he feeds them in a different order each day.in how many different orders can kevin feed his pets?
Monday, August 25, 2014 at 5:32pm

math
yancey collects plastic banks.he has three different banks:a pig,a cow,and a horse.how many wayscan yancey arrange his banks on a shelf
Monday, August 25, 2014 at 5:15pm

MAth
need help 5(2x - 10)/2 + 14 = 19 10x - 50/2 = 5x - 25 + 14 =19 5x - 11+11 = 19+11 5x/5 = 30/5 x= 6 Is this correct?
Monday, August 25, 2014 at 4:44pm

discrete math
A' U B venn diagram. A n (B U C) venn diagram.
Monday, August 25, 2014 at 4:33pm

business math
The selling price for a speedboat is $25,869.57. What percent of the sale price is the markup if the cost of the speedboat was $11,900? Round to the nearest whole percent. Do not enter the percent symbol in your answer
Monday, August 25, 2014 at 3:53pm

Math
The sides of a triangle are 6cm, 7cm, and 10cm. Find the length of the longest side of a similar triangle whose shortest side is 12cm
Monday, August 25, 2014 at 3:29pm

Math
Her dining room is 5 yards by 10 yards rectangle. How much carpeting does she need to cover her entire dining room
Monday, August 25, 2014 at 3:12pm

Math
Which themometer were used to maesure temperture of the room at midnight and at noon
Monday, August 25, 2014 at 3:02pm

Math
What is the derivative of 5x^7/97x+9?
Monday, August 25, 2014 at 2:44pm

math
23. There are two telephone companies provide home phone service in New York City. Company A charges $25 monthly fee and $0.10 for one minute after 30 minutes phone call. Company B charges $20 monthly fee and $0.12 for one minute after 30 minutes phone call. By what minutes, ...
Monday, August 25, 2014 at 1:13pm

check (math)
56. Evaluate the following expression. (7^8x7^9)^10 This is what I did: 7^80x7^90 = 7^170
Monday, August 25, 2014 at 12:41pm

Math
2+22+23+......+29=?
Monday, August 25, 2014 at 12:37pm

Math
isosceles trapezoid with a perimeter of 52 meters; one base is 10 meters greater than the other base; the measure of each leg is 3 less than twice the base of the shorter base
Monday, August 25, 2014 at 12:25pm

math
simplify the ratio R250:150:100
Monday, August 25, 2014 at 12:11pm

Math
Arrange from biggest to smallest: 365 ml, 90ml,2l,680ml
Monday, August 25, 2014 at 10:55am

Math
Mike went to the bakery and bought eatables worth $ 25, out of which 30 cents went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax free?
Monday, August 25, 2014 at 9:43am

Math
2+22+23+......+29=? A. 2044 B. 1022 C. 1056 D. None of these
Monday, August 25, 2014 at 9:01am

Math
2+22+23+.......*29=?
Monday, August 25, 2014 at 8:56am

Math
Sana and Rabia has more chocolates, respectively 20% and 50% than Hiba. The ratio, of the number of chocolates that Sana and Rabia has, is:
Monday, August 25, 2014 at 8:38am

math
ATM personal identification number PIN codes typically consist of four-digit sequences of numbers. Find the probability that if you forget your PIN, you can guess correct sequence if you recall the two digits
Monday, August 25, 2014 at 6:22am

math
A drawer contains 4 red socks and 4 blue socks. Find the least number of socks that must be drawn from the drawer to be assured of having a pair of red socks
Monday, August 25, 2014 at 6:21am

Math
Arham opens a retail store with Rs 3500 and after 5 months, Babar joins with Arham as his partner. After a year, the profit is divided in the ratio 2:3. What is Babar' s contribution in the capital?
Monday, August 25, 2014 at 6:13am

Math
Trees grown in a forest increased from 175000 to 262500 in decade. The average percent increase of growth per year is?
Monday, August 25, 2014 at 6:07am

Math
Waseem buys jeans worth Rs6650. He gets a rebate of 6% on it. After getting the rebate, he pays sales tax@ 10%. Find the amount he will have to pay for the jeans.
Monday, August 25, 2014 at 6:03am

Math
Mike went to the bakery and bought eatables worth $ 25, out of which 30 cents went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax free?
Monday, August 25, 2014 at 5:44am

math
Find the altitude of a right circular cone of maximum curved surface which can be inscribed of radius "r"
Monday, August 25, 2014 at 4:52am

Math
Can't figure this out... :( An isosceles trapezium with its longest side facing upward has an area of 145cm^2. Find the amount of material needed to make up the sides of the trapezium, when the side facing upward does not need to be covered (i.e. Perimeter - length of ...
Monday, August 25, 2014 at 3:13am

Math
Change the following to the standard equation of the ellipse 1. 5x^2 + 3y^2 = 15 2. x^2 + 12y^2 = 16 3. 3y^2 + 4x^2 = 3 And please can you give the value of a, b and c of this equations... so that I can sketch it....
Monday, August 25, 2014 at 2:52am

math
calculate the resistances of (a) 100-watt 120-volt incandescent lamp, (b) a 750-watt 115-volt toaster, (c) a 1300 watt 110-volt portable iron.
Sunday, August 24, 2014 at 11:24pm

Math
You want to create an open rectangular box from a rectangular box. from a square piece of cardboard 20 inches by 20 inches. You will cut a 3 inch square from each corner. Draw a diagram and find the length of the box. Can someone help me with this diagram thing. I can't ...
Sunday, August 24, 2014 at 10:27pm

Math - Old SAT exam
If j, k, and n are consecutive integers such that 0<j<k<n and the units (ones) digit of the product is 9, what is the units digit of k? I thought of setting the product of x and x+2 to something but didn't know what.. I thought of pairs that get to a unit digit of...
Sunday, August 24, 2014 at 10:26pm

Math
A piece of fabric is 52 inches long. You cut the fabric into two pieces. The first piece is x inches long. The second is 14 inches longer than the first. Draw a diagram & solve for x.
Sunday, August 24, 2014 at 10:20pm

math
The length of the second side of a triangle is 24 cm shorter than twice the length of the first side. Using f for the first side and s for the second side, translate the sentence into an equation.
Sunday, August 24, 2014 at 10:15pm

Math
You want to create an open rectangular box from a rectangular piece of cardboard. The cardboard has length 14 in and you want to cut 2 in squares from each corner. Draw a diagram. What is the length of the box?
Sunday, August 24, 2014 at 10:11pm

Math
the perimeter of a rectangular park is 1080 yds. The width of the park is 240 yds. What is the length of the park? What is the amount of grass that the township has to mow & fertilize?
Sunday, August 24, 2014 at 10:08pm

math 116 week 7
-7x+4y>+=-28 and 2x+10y> 20 intersect
Sunday, August 24, 2014 at 9:39pm

Math
1 7/8 - 5 8/11 =
Sunday, August 24, 2014 at 9:30pm

Math
3 1/4 - 1 1/9 =
Sunday, August 24, 2014 at 9:22pm

Math
Two salesman Eman and Masood are paid a total of Rs. 550 per week by their employer. If Eman is paid 120 percent of the sum paid to Masood , how much is Masood paid per week?
Sunday, August 24, 2014 at 9:18pm

Math
9(s+4)^2-62(s+4)=7 Solve for s
Sunday, August 24, 2014 at 6:01pm

math
What is the slope of the budget line from trading with Friday (coconuts for fish)?
Sunday, August 24, 2014 at 5:37pm

Math
From 1990 to 2006, the population, p (in millions), of a large city can be modeled by p = 1.1(1.05)t, where t is the number of years since 1990.
Sunday, August 24, 2014 at 5:09pm

Math
A sheet of paper is 8 1/2 in wide and 11 in long. The sheet is printed with a margin 1 1/4 in. wide on all four sides. Find the perimeter of the printed part of the page. I got 34; I subtracted 11 with 1 1/4 and 8 1/2 with 1 1/4. I got 9 3/4 and 7 1/4. I added those and got 17...
Sunday, August 24, 2014 at 3:58pm

Math
A cabinet has shelves that are 12 1/2 in. apart. On one shelf, Katherine stacked a CD player that is 4 5/8 in/ high on top of an amplifier that is 6 3/4 in. high. How much space was left above the CD player? I got 1 1/4; I added 6 3/4 and 4 5/8 and got 11 2/8. Then I ...
Sunday, August 24, 2014 at 3:37pm

math
a number consists of two digits whose sum is 8.if 8 is added to the number its digits are reversed.find the number?
Sunday, August 24, 2014 at 2:01pm

math
in an examination,a student requires 40% of the total marks to pass. if Ru pa gets 185 marks and fails by 15 marks,find the total marks?
Sunday, August 24, 2014 at 1:54pm

Math
Bilawal can build a wall in 15 days and Bilal in 20 days. If the work on it together for 4 days , then the fraction of the work ?
Sunday, August 24, 2014 at 1:46pm

Math
Two salesman Eman and Masood are paid a total of Rs. 550 per week by their employer. If Eman is paid 120 percent of the sum paid to Masood , how much is Masood paid per week?
Sunday, August 24, 2014 at 1:43pm

math
A cylindrical gasoline tank is 50 ft high and has diameter 70 ft. How many gallons of gasoline will the tank hold if there are 7.5 gallons in 1 ft3 ?
Sunday, August 24, 2014 at 1:07pm

math
Kelly subtracted 2.3 from 20 and got 17.7. Explain why this answer is reasonable
Sunday, August 24, 2014 at 12:54pm

Math
Bilawal can build a wall in 15 days and Bilal in 20 days. If the work on it together for 4 days , then the fraction of the work ?
Sunday, August 24, 2014 at 11:22am

math
(A)Simplify: n 1 n-1 1. 2 . 25 --------------- n 50.50 2. n 4 n 1 2 - 6.2 --------------- n 2 2 .5 (B)solve for x (1 over 2) to the power x 1 =32
Sunday, August 24, 2014 at 10:40am

Math (quadratic function)
A fuel station sell, aproximately, 2140 liters of gasoline, per day, in which each liters costs 1,75 dollars. The owner observed that, reducing the price of the liter, occurs an increase in the volume of fuel sold, in the proportion of 20 liters sold per day for each cent ...
Sunday, August 24, 2014 at 9:41am

math
For which vAlues of x the following expressions not defined if all these expressions are real numbers 1. 2x-1 negative ------ 3x-2 2.square root of 2(x-7)
Sunday, August 24, 2014 at 8:56am

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