Thursday

August 21, 2014

August 21, 2014

**Branches of Math**

**Recent Math Questions**

Post a New Question | Current Questions

**Math 221**

How do simplify 0.05(0.3m + 35n) – 0.8(-0.09n – 22m)
*Sunday, July 6, 2014 at 3:53pm*

**Math 221**

How do I simplify 2w – 3 + 3(w – 4) – 5(w – 6)
*Sunday, July 6, 2014 at 3:53pm*

**Math 221**

How do I simplify 2a(a-5)+4(a-5)
*Sunday, July 6, 2014 at 3:52pm*

**Math**

Using the maximum ratios for a conventional mortgage, how big a monthly payment could the Taylor family afford if their gross ( before- tax) monthly income amounted to $ 3,500? Would it make any difference if they were already making monthly installment loan pay-ments totaling...
*Sunday, July 6, 2014 at 3:48pm*

**math**

Anny invests $3,000, at 6% interest, compounded monthly for 1 year. Use Table 11-1 to calculate the compound amount for her investment.
*Sunday, July 6, 2014 at 1:47pm*

**math/117**

An object 5.7 feet tall casts a shadow that is 17.1 feet long. How long in feet would the shadow be for an object which is 19.5 feet tall?
*Sunday, July 6, 2014 at 1:21pm*

**math**

find the zeroes of : p(x)= X^2 + 2 root2x + 6
*Sunday, July 6, 2014 at 12:42pm*

**Math**

The 8th term of a g.p is -7/32 fine it's common ration if its first term is 28
*Sunday, July 6, 2014 at 9:18am*

**math**

Mang jose wants to make a table which has an area of 6m, the length of the table has to be 1m longer than the width. If the width of the table is p meters, what will be the length. Form a quadratic equation that represent the equation.
*Sunday, July 6, 2014 at 8:21am*

**math**

there are seven consecutive even numbers .if the largest no is x write an algebraic expression for the middle no . if the middle no is 48 find the value of smallest no
*Sunday, July 6, 2014 at 7:54am*

**math **

a vendor loses the selling price of 4 oranges on selling 36 oranges . what is his loss percent
*Sunday, July 6, 2014 at 5:15am*

**Math**

The probability that Roberto wins is 1/3 the probability that Roberto loses. What is the probability that Roberto loses?
*Saturday, July 5, 2014 at 11:35pm*

**Math**

X and y are positive integers and x+y=11. What is the largest possible value of 1/x -1/y?
*Saturday, July 5, 2014 at 11:33pm*

**math**

If a,b,c are integers and b²=4(ac+5d²), d €N then roots of the eqn ax²+bx+c=0 are
*Saturday, July 5, 2014 at 12:12pm*

**math**

Let a,b and c be real numbers such that 4a+2b+c =0 and ab>0. Then the eqn ax²+bx²+cx²=0 has-
*Saturday, July 5, 2014 at 12:10pm*

**math**

Consider the eqn x²+2x-n =0 where n€N and n€[5,100]. Total no. Of different values of 'n' so that the given eqn has integral roots is-
*Saturday, July 5, 2014 at 12:08pm*

**math**

If the roots of the eqn x²-2cx+ab=0 are real and unequal, then prove that the roots of x²-2(a+b)x+a²+b²+2c²=0 will be imaginary.
*Saturday, July 5, 2014 at 12:03pm*

**math**

Show that if roots of eqn (a²-bc) x²+2(b²-ac)x +c²-ab=0 are equal then either b=0 or a³+b³+c³=3abc.
*Saturday, July 5, 2014 at 11:58am*

**math**

find the straight line that passes through point (2,4) and is perpendicular to line 2x + 12y - 6 = 0
*Saturday, July 5, 2014 at 10:50am*

**math**

X+3y+9=0 and x+3y-7=0 are parallel or not ,how to work out,can anyone show me please
*Saturday, July 5, 2014 at 9:40am*

**math**

this code has five digit 1,2,3,4,5. the first digit plus the second digit is equal to the third digit the second digit twice times the first digit the second digit is half the fourth digit and the fifth digit is the sum of the first and fourth digits. what is the answer?
*Saturday, July 5, 2014 at 4:49am*

**Math**

Find (a) the exact interest and (b) the ordinary interest. Round answers to the nearest cent Malinda Levi borrows $12,000 on a 9.5% , 90 day note. On the 30th day, Malinda pays $4,000 on the note. If ordinary interest is applied, what is Malinda’s adjusted principal after...
*Saturday, July 5, 2014 at 12:07am*

**Math**

Find (a) the exact interest and (b) the ordinary interest. Round answers to the nearest cent Find the discount (ordinary interest) and proceeds on a promissory note for $2,000 made by Barbara Jones on February 10, 2007, and payable to First State Bank on August 10, 2007, with ...
*Saturday, July 5, 2014 at 12:06am*

**Math**

Myrna Lewis wishes to have $4,000 in four years to tour Europe. How much must she invest today at 8% interest compounded quarterly to have $4,000 in four years? $4000 = x(1+ 0.02)^16 =$2,913.78
*Friday, July 4, 2014 at 11:53pm*

**Math **

$500 in 15 years at 8% annual interest compounded semiannually. P = $500 Time = 30 years Rate = 4% $500(1+.08/2)^(2*15) = $1621.70
*Friday, July 4, 2014 at 11:53pm*

**Math**

$1,000 in seven years at 8% compounded quarterly.
*Friday, July 4, 2014 at 11:50pm*

**Math**

Louise Grantham is buying a home for $198,500 with a 20% down payment. She has a 5.75% loan for 25 years. Create amortization schedule for the first two months of her loan.
*Friday, July 4, 2014 at 10:22pm*

**math**

jake has 12 candles 5 are blue, 4 are red, and 3 are orange. what fraction of the candles is blue?
*Friday, July 4, 2014 at 7:55pm*

**math: set theory **

{X|X E N and x greater than or equal to 4} This is a set theory problem: | = means such that is E = is a symbol used to replace the words "is an element of" N= represents all natural numbers answer choices are: a) {5,6,7,...,100} b) {5,6,7,...} c) {4,5,6} d) {4,5,6...
*Friday, July 4, 2014 at 6:40pm*

**Math**

Statistics show that the sales force of a certain company successfully closed 296 sales out of 800 sales calls. What was their percent success rate?
*Friday, July 4, 2014 at 5:55pm*

**math**

In how many different ways can five students be seated in three chairs? 5 x 4 x 3 =60 am I right?
*Friday, July 4, 2014 at 4:25pm*

**Math**

If you purchase a fishing boat for 18 monthly payments of $106 and an interest charge of $238, how much is the refund after 10 payments?
*Friday, July 4, 2014 at 3:48pm*

**math**

convert y=2x^2+5x-5 into vertex form
*Friday, July 4, 2014 at 2:59pm*

**Math**

$500 in 15 years at 8% annual interest compounded semiannually.
*Friday, July 4, 2014 at 2:53pm*

**math**

how many positive intergres less than 20 are equal to the sum of two different prime number?
*Friday, July 4, 2014 at 2:41pm*

**Finite Math**

A political scientist has received a grant to fund a research project involving voting trends. The budget of the grant includes $3200 for conducting door-to-door interviews the day before an election. Undergraduate students, graduate students, and faculty members will be hired...
*Friday, July 4, 2014 at 2:14pm*

**Math**

A bus tour company charges a flat fee for renting out the bus, and an additional amount for each person. If the price is quoted at $382 for 12 people and $430 for 16 people, what is the flat fee?
*Friday, July 4, 2014 at 2:12pm*

**Math**

If you purchase a fishing boat for 18 monthly payments of $106 and an interest charge of $238, how much is the refund after 10 payments?
*Friday, July 4, 2014 at 1:36pm*

**Math**

The finance charge on a copier was $1,778. The loan for copier was to be paid in 18 monthly payments. Find the finance charge refund if it is paid off in eight months.
*Friday, July 4, 2014 at 1:34pm*

**Math**

Malinda Levi borrows 90 day note. On the 30th day, Malinda pays on the note. If ordinary interest is applied, what is Malinda’s adjusted principal after the partial payment? What is the adjusted balance due at maturity?
*Friday, July 4, 2014 at 1:31pm*

**Math**

Find the discount (ordinary interest) and proceeds on a promissory note for $2,000 made by Barbara Jones on February 10, 2007, and payable to First State Bank on August 10, 2007, with a discount rate of 9%.
*Friday, July 4, 2014 at 1:30pm*

**Math**

Myrna Lewis wishes to have $4,000 in four years to tour Europe. How much must she invest today at 8% interest compounded quarterly to have $4,000 in four years?
*Friday, July 4, 2014 at 1:16pm*

**Math**

The perimeter of a rectangular painting is 354 centimeters. If the width of the painting is centimeters, what is its length?
*Friday, July 4, 2014 at 10:52am*

**Math**

What is the measure in degrees of each interior angle in a regular 10 sided polygon?
*Friday, July 4, 2014 at 10:04am*

**math**

what is the difference of complementary and supplementary angles if an acute angle measures 2a+3b
*Friday, July 4, 2014 at 1:03am*

**Math**

Saud bought a bottle of juice containing 625 ml juice. He filled 30 ml into a glass. But spilled 23.5 ml. How much juice is still left in the bottle.
*Thursday, July 3, 2014 at 10:00pm*

**Math **

Saud bought a bottle of juice containing 625 ml juice. He filled 30 ml into a glass. But spilled 23.5 ml. How much juice is still left in the bottle.
*Thursday, July 3, 2014 at 7:14pm*

**math**

8. Of the 180 students who took part in the Race for Hunger, about 5/8 were sophomores. Of the sophomores, 40% were girls. How many sophomore girls took part in the race? A.35 girls B.125 girls C.45 girls D.72 girls please explain and show work
*Thursday, July 3, 2014 at 7:00pm*

**math**

If 1/8" = 30' how many fractions of an inch is 24'
*Thursday, July 3, 2014 at 6:11pm*

**math**

Are the two solutions to x (2x+1) = 1 found by setting x = 1 and 2x + 1 = 1? Explain your reasoning. What are the solutions to this equation? Show how you arrived at your answer. Create an equation for your classmates to solve that requires factoring.
*Thursday, July 3, 2014 at 1:23pm*

**Math**

Fahim wanted to make 3.56 l of an orange drink for his party. He had 67 ml of orange concentrate. How much water should he mix to make the required amount of drink.
*Thursday, July 3, 2014 at 1:09pm*

**Math**

A pizza weighs 0.365kg. Find the weight of the pizza if 45 g of extra toppings are added to it.
*Thursday, July 3, 2014 at 12:36pm*

**Math**

A pizza weighs 0.365kg. Find the weight of the pizza if 45 kg of extra toppings are added to it.
*Thursday, July 3, 2014 at 9:48am*

**Math Finance**

Word problem asks to find rate of interest on a monthly deposit for a sinking fund that is needed to produce 130,000 in 20 years. I applied the model, (fv/pv)^1/t -1 I use n/t if compounding yearly, quaterly, etc. No matter what I've tried I can't produce the interest ...
*Thursday, July 3, 2014 at 3:45am*

**math**

The sale force of a business consist of 10 men and 10 women A production unit of 6 people is set up at random what is the probability that it will consist of 4 men and 2 women
*Thursday, July 3, 2014 at 2:28am*

**Math**

The sum of integrs from 40-60, inclusive, is 1050. What is the aum of the integers from 60-80, inclusive? I figured out the answer by adding them with a calculator but i was wondering if there was an algebraic way of solving this?
*Wednesday, July 2, 2014 at 11:43pm*

**math**

in november 2008, apple stock dropped from $105 to $95 per share, and Microsoft dropped from $21 to $20 per share. If you invested a total of $3,570 in these stocks at the end of October and sold them for $3,250 at the end of November, how many shares of each stock did you buy?
*Wednesday, July 2, 2014 at 11:16pm*

**Math**

he physics department of a college has 9 male professors, 8 female professors, 10 male teaching assistants, and 13 female teaching assistants. If a person is selected at random from the group, find the probability that the selected person is a teaching assistant or a female
*Wednesday, July 2, 2014 at 9:42pm*

**math**

the smallest possible number which is divisible by 3 and 5 or 7 represented by 2 digits either 0 or 1 then the maximum number of digits required to represented it is
*Wednesday, July 2, 2014 at 8:46pm*

**math**

Draw three different designs that are all 3/4 green. How are the designs similar? Different?
*Wednesday, July 2, 2014 at 8:11pm*

**math**

The surface area of a cube with edge 2 is how many times the surface area of a cube with edge square root 2. A.square root 2 B.2 C.4 D.4 square root 2 E.8 please explain and show work.
*Wednesday, July 2, 2014 at 7:10pm*

**math**

6. A magician plays a game using a full deck of cards. This includes 4 each of aces, numbers 2-10, jacks,queens, and kings. What is the probability that an even numbered card will not be selected? please explain and show work.
*Wednesday, July 2, 2014 at 6:57pm*

**math**

Paul multiplied the sum of three and a number by three. This result was equal to fifty four plus twelve times the opposite of the number. What was his number? please explain and show work.
*Wednesday, July 2, 2014 at 6:46pm*

**math**

Pinnacle Homes, a real estate development company, is planning to build five homes, each costing $125,000, in 2 years. The Galaxy Bank pays 6% interest compounded semiannually. How much should the company invest now to have sufficient funds to build the homes in the future?
*Wednesday, July 2, 2014 at 6:39pm*

**math**

what is the integral from 2 to 1 of 15sqrt(4x^2-3) dx
*Wednesday, July 2, 2014 at 3:57pm*

**math**

a set of five positive integers has a mean median and range of 7 how many distant sets whose members are listed from least to greatest could have these properties
*Wednesday, July 2, 2014 at 2:58pm*

**math**

How to draw a triangle with sides of 4inches 6inches and 9inches
*Wednesday, July 2, 2014 at 2:55pm*

**Math**

The first three terms of an arithmetic progression are t, 2t-1, 2t+4. Calculate the value of t.
*Wednesday, July 2, 2014 at 2:20pm*

**math**

if a ticket for a game was 60.00. than later the price was increased by 2/5 what is the final cost of the ticket?
*Wednesday, July 2, 2014 at 2:18pm*

**algebra math**

What are two equations that model the data? What are the domain and range of each equation? Month|Sales 2 | 3 4 | 5 6 | 4 8 | 6 10 | 5 12 | 12 14 | 16 16 | 22 18 | 26 20 | 32 I am very confused about how to do this question.
*Wednesday, July 2, 2014 at 1:21pm*

**Math**

Let n = c x p, where p is a prime number, and c is a composite number less than p. The number c has three unique prime factors. How many unique prime factor does n^2 have?
*Wednesday, July 2, 2014 at 10:56am*

**math**

Let ABCD be a cyclic quadrilateral. Let P be the intersection of \overline{AD} and \overline{BC}, and let Q be the intersection of \overline{AB} and \overline{CD}. Prove that the angle bisectors of \angle DPC and \angle AQD are perpendicular.
*Wednesday, July 2, 2014 at 10:25am*

**Math**

34.2 m minus 5m 8cm
*Wednesday, July 2, 2014 at 9:39am*

**Math**

(6+4) + 5 = 6+ (4+5)
*Wednesday, July 2, 2014 at 6:54am*

**math**

A group of tourists stay in a hotel. If 6 tourists stay in each room, there will be an extra 9 beds. If 3 tourists stay in each room, they will need another 4 rooms. How many tourists are there in the group?
*Wednesday, July 2, 2014 at 5:12am*

**math**

if foreach a and b is group G,(ab)2 =a2b2 ,show that G is abelian
*Wednesday, July 2, 2014 at 3:18am*

**math**

d2y/dx2+9y=cos2x+sin2x
*Wednesday, July 2, 2014 at 1:57am*

**Math**

Use 100 square grids to shade each of the following decimals fractions. Shade 1.5 and what fraction would remain un shaded?
*Wednesday, July 2, 2014 at 12:09am*

**math**

please represent algebraic express 20 less than 19 divided by 3X
*Tuesday, July 1, 2014 at 11:13pm*

**Math**

use 100 square grids to shade 1.5 and what fraction would remain un shaded?
*Tuesday, July 1, 2014 at 10:55pm*

**Math**

I am sorry I didn't complete the problem Here is the question: Doris invested some money at 7% and some money at 8%. She invested $6,000 more at 8% than she did at 7%. Her yearly total from the two investments was $7.80. How much did Doris invest at each rate? (A)$2,000 ...
*Tuesday, July 1, 2014 at 10:50pm*

**Math**

Four cheeseburgers and five milkshakes cost a total of $25.50. Two milkshakes cost $1.75 more than one cheeseburger, and also find the cost of a milkshake. (A)$3.25 for a cheeseburger and $250 for a milkshake. (B)$3 for a cheeseburger and $2.90 for a milkshake. (c) $ 4.15 for ...
*Tuesday, July 1, 2014 at 10:40pm*

**Math**

A birthday cake weighs 2.5 kg. there are 25 children at the party. If the cake is to be divided into 25 equal pieces , what will be the weight of each piece?
*Tuesday, July 1, 2014 at 10:39pm*

**math**

If I lend somebody one hundred thousand dollar and they have to pay me back in five years, with 4% interest...how much will I get monthly ? ( I am NOT a student...however I am thinking of lending my community this amount of money. Can't find any site that can help me. ) ...
*Tuesday, July 1, 2014 at 10:22pm*

**Math**

Doris invested some money at 7% and some money at 8%. She did at 7%. Her yearly total from the two investments was $7.80. How much did Doris invest at each rate?
*Tuesday, July 1, 2014 at 10:16pm*

**Math**

A birthday cake weighs 2.5 kg. there are 25 children at the party. If the cake is to be divided into 25 equal pieces , what will be the weight of each piece?
*Tuesday, July 1, 2014 at 9:48pm*

**Math**

4/3 multiply by 0 multiply by 1/2 Answer is zero
*Tuesday, July 1, 2014 at 9:01pm*

**math**

You worried about math last year for 300,000 minutes. this year you will worry about math for only 60 minutes.What percent decrease in minutes of math worry will you experience this year? please explain and show work.
*Tuesday, July 1, 2014 at 6:48pm*

**math**

Use the Trapezoidal Rule, the Midpoint Rule, and Simpson's Rule to approximate the given integral with the specified value of n. (Round your answers to six decimal places.) The integral of e^(3sqrt(t)) sin3t dt from 0 to 4. n=8
*Tuesday, July 1, 2014 at 5:39pm*

**math**

what is 8,618,175 more than the sum of 149,347 and 897,956? what is 2,194,871 plus 986,732 increased by 489,549?
*Tuesday, July 1, 2014 at 4:29pm*

**math**

57865-______+23129=48675
*Tuesday, July 1, 2014 at 4:22pm*

**math**

how can you change 1/2 to a mixed number?
*Tuesday, July 1, 2014 at 3:23pm*

**math**

what is 6 divided by 8.4
*Tuesday, July 1, 2014 at 3:21pm*

**Math**

In a triangle ABC, PQ is the midpoint of AB and AC. PQ = 2cm, BC =3cm. The area of trapezium PQCB = 10cm^2. If the area of triangle APQ = xcm^2. Calculate the value of x.
*Tuesday, July 1, 2014 at 2:45pm*

**math**

If someone gave u a tonnie,three quarters,a nickel,two dimes and a penny.how much money did they give u
*Tuesday, July 1, 2014 at 11:19am*

**math**

A loan has a due date of December 20. If it is made on September 19, for how many days is the loan?
*Tuesday, July 1, 2014 at 10:29am*

**Math**

use 100 square grids to shade 1.5 and what fraction would remain un shaded
*Tuesday, July 1, 2014 at 10:16am*

**Math **

Find the intersection of two lines. i have the answer just please tell me how it was made 4x-3y-4=0 , 4x+2y+5=0 -5y/-5 = 9/-5 y= 9/5 4x-3(-9/5)-4=0 5(4x+27/5-4=0) 20x+27-20=0 20x+7=0 20x/20=-7/20 x=-7/20 (-7/20, -9/5
*Tuesday, July 1, 2014 at 10:03am*

**math**

an elevator is moving up at a rate of one meter per second. the elevator is now at the street level. when was the elevator five meters below street level? when will the elevator be 10 meters above street level?
*Tuesday, July 1, 2014 at 9:18am*

**math**

the temperature has been changing at a rate of-2 degrees fareinheit per hour and is predicted to continue at this rate. The temperature now is 0 degree fareinheit. what was the temperature 3 hours ago? what temperature can be predicted 5 hrs. from now?
*Tuesday, July 1, 2014 at 9:16am*

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