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September 15, 2014

September 15, 2014

**Branches of Math**

**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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