# Math

## Recent Questions

**Math**

Multiply. Express the product in simplest form.3/9 x 18 A.1/54 B.2 C.5 D.6

**Math**

What is an estimate of the solution of the equation 6n+3=2? Use a table Can someone help me plzz?

**math**

Use a proportion to find the missing side length in the following similar figures. A. x = 24 cm B. x = 8 m C. x = 6 m

**Math**

David paid a total of $60 for 4 similar T-shirts and 3 similar pairs of shorts. Each pair of shorts cost

**math**

3 times a number is greater than half of the number by 50. What is the number?

**Math**

Please some one should assist me or else I will get flogged.

**Math**

A running tap dispenses 0.15 gallons of water every second. How many pints of water is dispensed after 20 seconds? Please show me how to get the answer.

**Math**

Identify the two numbers less than 20 with the most factors.explain how you solve the problem

**math**

write the phrase as an expression... 7 more than the quotient of a number y and 5

**math**

Find the point on the line 7x+5y−8=0 which is closest to the point (−1,−1).

**Math**

A rancher wants to fence in an area of 2000000 square feet in a rectangular field and then divide it in half with a fence down the middle parallel to one side. What is the shortest length of fence that the rancher can use?

**MATH**

Emma pays $108 every 6 wks for tennis lessons. What is the price per year for tennis lessons? 6 * 7 = 42 days 109/42 = x /365 42x = 39420 x= 938.57

**Math**

Find the unit costs. Solve. 6. A. A 15-inch link of silver chain costs $82.99 B. A 15-inch link of gold chain costs $112.59 How do you do this?

**Math**

1. Five medium apples have about 475 calories. Three medium oranges have about 186 calories. Apple:_____________ Orange:____________ ______________ have fewer calories. How do you do this?

**math**

you mix 2/5 cup of red paint for every 1/4 cup of blue paint to makw 1 5/8 gallons of purple paint. how much red paint and blue paint do u use

**Math**

you mix 2/5 cup of red paint for every 1/4 cup of blue paint to makw 1 5/8 gallons of purple paint. how much red paint and blue paint do u use

**Math**

We believe that 77% of the population of all Business Statistics I students consider statistics to be an exciting subject. Suppose we randomly and independently selected 38 students from the population. If the true percentage is really 77%, find the probability of ...

**Math**

The surface area of the Sun is about 4x3.141x(7x10^5)^2 square kilometers. Simplify the expression

**Math**

What is the greatest odd number less than 250?

**Math**

A sports store has 116 soccer balls. Over 6 months , it sells 8 soccer balls per month . How many soccer balls are in inventory at the end of the 6 months?

**math**

In the correlation coefficient, what is the difference between r^2 and r? I know the correlation coefficient is r, and to find r you take the square root of r^2, but why do they show r^2?

**Math**

A woman makes n baskets and sells them all at the same price (A) If she sells all but 3 of the baskets . she will get 5,700. Express the selling price of a basket in terms of n. (B) If she makes 3 more baskets and sells them all, she will get 7,500. Write down another ...

**math**

I accidentally deleted the L2 column on my TI-84 calculator - is there a way to get it back on? Currently it goes L1 to L3

**Math**

At a “1/3 off” sale, the sale price of an item is $360. How much money do you save by buying the item on sale? Explain your reasoning clearly.

**Math**

A mother is 20 years older than her daughter.if the daughter is y years old. (A) How old is the mother? (B) in terms of y how old was the daughter 4 years ago . (C) In terms of y, how old was the mother 4 years .(I) 4 years ago if the ratio of ages was7:3 find the present age ...

**math**

The height of a square-based box is 4 cm more than the side length of its square base. If the volume of the box is 225 cm3. What are its dimensions? So this is what I did: v = l x w x h v = 1x x 1x x (x+4) v = 2x^2 + 8x 225 = 2x^2 + 8x 2x^2 + 8x - 225 = 0 Then I did the ...

**math (please help, test tmrw)**

Determine a possible linear function f(x) such that x^2-x-2 < f(x)< x^3-x^2-2x has a solution and state the solution.(the < are supposed to have lines under that indicate less than/equal to) I just don't really get what it's asking. So I factored each equation and ...

**math**

how do you come up with 4x+x+8

**math**

determine whether the sequence is arithmetic,geometric,both,or neither. 16,8,4,2,... a.arithmetic b.geometric c.neither d.both

**Math**

Find the variance for the given sample data. Round your answer to one more decimal place than the original data. 7 7 2 5 1

**math**

12x12x12

**Math**

Human body temperatures have a mean of 98.20degrees°F and a standard deviation of 0.62degrees°F. Sally's temperature can be described by zequals=minus−1.5. What is her temperature? Round your answer to the nearest hundredth.

**Math**

The average travel time to work for a person living and working in Kokomo, Indiana is 17 minutes. Suppose the standard deviation of travel time to work is 4.5 minutes and the distribution of travel time is approximately normally distributed. What is the travel time to work ...

**math**

1: 4/5 = 8/x + 2 x=4 x=9.5 x = 2 x = 8 2. 2/3 = 1.2/x x = 18 x = 1.8 x = 0.2 x = 10 My answers: 1. x = 8 2. x = 0.2

**Math Universal Set Help**

Suppose U = {1,2,3,4,5,6,7,8}, Is the Universal set, and P = {1,3,5,7}, What is P A) {2,4,6,8} B) {1,2,3,4,5,6,7,8} C) {1,3,5,7} D) {1,3,5,7,8}*** Right??

**Math**

Please help! I would really appreciate it. I only have the answer to think first question. I don't know if it's correct. |x| + 5 = 18 (1 point) 5 or –5 13 or –13***** 18 or –18 23 or –23 |y + 4| < 1 (1 point) −5 < y < –3 –3 < y < 5 –4 <...

**math**

Suppose you put $2000 in a savings account at an APR of 8% compounded quarterly. Fill in the table below. (Calculate the interest and compound it each quarter rather than using the compound interest formula. Round your answers to the nearest cent.) Quarter Interest Earned ...

**math**

1000000 + 100000000000000

**math**

1. 1/3 times 7 2. -7/9 times 3/5 3. 1/3 divided by 5/6 4. 2 1/8 divided by 34 5. -3/5 divided by - 3/4 6. -4/5 divided by 8/9 7. 3/5 divided by 9/10 8. 4/7 divided by 9/14 i dont know the answers.

**Math**

My son is 1/3 my age now.Five years ago,he was 1/4 my age then.How old is my son?

**math**

philippine airlines transport around 800 passengers a month between manila and bacolod. a round trip ticket is 5,000.00 pesos. the company executives estimate that for each 300 pesos increase in the ticket price, 30 passengers would be lost to the competition. what ticket ...

**Math**

1/3(12+x)=-8(6-×) What the steps to solving this?

**Math**

Lee walks along the edges of a rectangular pool from point A to B to C to D, a distance of 38 metres. Marina walks along the edges of the same pool from B to C to D to A, a distance of 31 metres. What is the perimeter of the pool, in metres?

**math (trigonometry)**

if tan A/2 =cosecA-sin A then prove cos^2 A/2=cos 36 degree

**Math**

Determine whether or not the first number is divisible by the second number 10,199; 3

**Math**

The sides of a rectangle are increased by a scale factor of 4. The perimeter of the smaller rectangle is 20 cm. What is the perimeter of the larger rectangle?

**math**

15=x/6-1 A. x = 96 B. x = 90 C. x = 84 D. x = 80

**math**

Saeed bought 21 1/2 lb. of ground beef. He used 1/4 of the beef to make tacos and 2/3 of the remainder to make quarter-pound burgers. How many burgers did he make

**Economics**

Two firms, A and B, each currently dump 50 tons of chemicals into the local river. The government has decided to reduce the pollution and from now on will require a pollution permit for each ton of pollution dumped into the river. The government will sell 40 pollution permits ...

**Math**

To find the weight of the gold in a 22 karat gold object, multiply the object's weight by 0.917. To find the weight of gold in a 14 karat gold object, multiply the object's weight by 0.583. Part 1 Which contains more gold, a 22 karat gold object or a 14 karat gold object that ...

**Math**

To find the weight of the gold in a 22 karat gold object, multiply the object's weight by 0.917. To find the weight of gold in a 14 karat gold object, multiply the object's weight by 0.583. Part 1 Which contains more gold, a 22 karat gold object or a 14 karat gold object that ...

**Math**

4x+3=5+x my answer is x=2, is this correct?

**Math**

How do you solve this? 3300 - .15 EDIT: I put this on a calculator and it says that it equals 3299.85 Is that right and if it is, what were to the steps to get this answer?

**Math**

You own 5% of Corporation A. Corporation A owns 30% of Corporation B. What percentage of Corporation B do you own through your ownership in Corporation A?

**math**

The ratio of cows to pigs to chickens on a farm was 15:14:12. Half of the chickens were sold to another farm, and then there were 56 more pigs than chickens. How many animals were on the farm in the beginning? how many chickens were sold?

**Math/Physics**

Steve (85 kg) is gliding (v ≠ 0) east on his cross-country skiing across a flat section of snow and is experiencing a wind resistance of 2 N against him. The coefficient of kinetic friction between the skis and the snow is 0.09. If the force of friction and wind resistance ...

**Math**

A goes from (0, 2) to (4, 2) B from (1, −2) to (2, 1) C from (−1, 0) to (0, 0) D from (−3, −5) to (2, −2) E from (−3, −2) to (−4, −5) F from (−1, 3) to (−3, 0) (a) A + B? (b) E − F? (c) −(B + C)? (d) Which two vectors sum to zero?

**Math**

Can anyone check this and see if I'm right? A crafts store bought 27 1/4 ounces of potpourri. The shop divides the potpourri into 2 1/2 ounce bags and sells each bag for $4.25. a. how many full 2 1/2 ounce bag of potpourri can the shop make. b. if all the bags are sold, how ...

**Math**

Mister Nails has box of accessories for Clarence he has a total of 42 objects he has 12 mouthpieces he has four times as many reasons as next raps how many of each objects does he have

**math**

how would you simplify 39x5 using distributive property

**Math**

Mali-li has 7 1/2 yd of material. Her new skirt will take 4 5/8 yd. How much material will she have left after the skirt is made? 2 7/8 My answer 2 1/8 3 1/8 3 7/8 73 in. =___ ft 776 ft 6 1/2ft this one 8ft 7 1/4

**Math**

Estimate these 14/16 + 1/5 2 0 1/2 1 This one 5 2/11 - 3 2/18 3 1 This one? 4 2 7 1/13 * 4 15/17 28 35 this one 48 40 I'm not very positive with the last two answers.

**math**

Division of rational numbers find each product 1. 1/3 * 7 A. 1/21 B. 2 1/7 C. 2 1/3 D. 3/7 I think it is B 2. -7/9 * 3/5 A. 18/35 B. 7/15 C. -18/35 D. -7/15 I think it is C 3. 1/3 divided by 5/6 A. 2/5 B. 5/2 C. 2/15 D. 5/18 I think it is C 4. 2 1/8 divided by 34 A. 51/32 B. 1...

**Math**

Rentals, two college friends rent a apartment they have to pay the landlord two months rent and a $500 security deposit when they sign the lease the total amount they pay the landlord is $2800 what is the rent for one month Help

**Math**

Are there any problems in this? -3 1/5 / -2/3 = -4 4/5 Here is the work it showed. -3 1/5 / -4 4/5=-16/5 * -3/2=-8/5 * -3/1 = -24/5= -4/5 To me, I think there is something wrong in this the answer suppose to be positive, not negative. The only thing that I am not sure is where...

**Math**

tell whether the given ordered pair is a solution of the equation y=9-2x;(-2,5) Help i kinda don't understand

**math**

after jenny spent 1/3 of her savings on a schoolbag,she had rs.780 left.find jenny saving at first.

**Math**

What is the ninth term in the following sequence? 11, 17, 23, 29 Is it 59?

**Math**

Jose invests $3,250 at 6% interest compounded annually. What will be the balance in the account after 3.5 years? Please give me the answers to the unit 5: Lesson 10: Patterns and rules unit test.

**Math**

The difference between two numbers is 4.If the sum of five times the smaller number and the bigger number is 58, what are the numbers?

**math**

$4600 at 6% annual interest for a year. How much would he pay

**Math**

Given that function f(x) = 9, x<4 2x+1, 4≤x<12 7x-4, x≥12 Is the function continuous a) as x tends to 4? b) as x tends to 12?

**math class viii**

Q.1) The volume of a right circular cone is 37.68 dm3 .If the the base is 3 dm, find (1) the height (2) the curved surface area of the cone .( Take π=3.14)

**Math**

11.4m of rope he want to divide it into equal pieces how many peace will there be 1.4 m long

**Math**

A car trvelling at the average speed of 50km/h. How much distance would it travel in 1 hour 12 minutes?

**Math**

If loga+ logb=logab show that (a+b)²-(a-b)²=4ab

**math (trigonometry)**

A=170 degree then prove that Tan A/2=-1-rot(1+Tan^2 A)/Tan A

**Math**

Let's say I had a graph for some experiment that we thought was modelled by a = bcd + g. If we perform an experiment and plot a vs. c, what do we expect the slope and intercept to be? Would intercept = g and slope = b ? If that's right, what would d represent?

**math**

The distance between two piers is S miles. Two boats started moving simultaneously at speeds R1 and R2. How can you find the distance D between them if they moved for T hours towards each other from the two piers

**Math**

A dress cost twice as much as a skirt. Mrs. Mason bought 3 dresses and 2 skirts. She gave the cashier $1000 and received $300 in change. How much did a dress cost?

**Math**

I have a rectangle shaped garden with the longer side measuring 14 m and the smaller side measuring 10m. I want to put brick path around the outside with bricks that are 50cm wide. How many bricks will i need?

**math**

Data (x,y) for the total number (in thousands) of college-bound students who took a test in the year x are approximately (11,1177), (8,1493), and (11,1664), where x=1 represents 2001 and x=8 represents 2008. Find the values a, b, and c such that the ...

**Math, word problem**

Lee walked for 20 minutes on a motorized treadmill that was set at a constant speed of 4 miles per hour. About how many miles did Lee walk on the treadmill? A. Between 1/2 and 1 B. Between 1 and 1 1/2 C. Between 1 1/2 and 2 D. Between 2 and 2 1/2 E. More than 2 1/2

**Math (Pre- Algebra) A**

Write a translation rule that maps point D(7, -3) onto point D'(2, 5).

**Math**

In a class of 32 students study Spanish(S) and 20 of the students study French(F).Calculate the number of students who study Spanish(S) but not French(F).

**math**

In a class of 32 students, all the students study Spanish(S) and 20 of the students study French(F).Calculate the number of students who study Spanish(S) but not French(F).

**Math, algebra**

in a two by 3 grid, each lattice point is one unit from its nearest neighbours. a total of 14 isosceles triangles( but not right triangles), each with an area of 1\2 u2 have only two vertices that are one unit apart in the grid. how many such half unit triangles have at least ...

**math**

if 9m+57=87 then 9(m+6)=?

**math**

Rachelle and Kayla want to rent a boat while they are at Lake Azul. Floatmore Boats charges $5.00 for insurance and $5.25 an hour. Neversink charges $6.75 an hour. You have to pay the insurance fee to rent at Floatmore and a rental for any part of the hour is charged as a full...

**Math**

Old Macdonald planted 60 acres of corn worth $11,700. If each acre yields 65 bushels of corn, what is the value of one bushel?

**math**

It takes one machine 25 minutes to pick a bale of cotton and another machine 30 minutes to compete the same job. If both machines are used, how long will it take them to pick a bale of cotton?

**Math**

When is the sum of two integers greater than the difference?

**Math**

A solid body consists of a cylinder surmounted by a hemisphere of the same radius. The total length of the body, measured along the central axis of cylinder, is 10cm. If the radius of the hemisphere is xcm,show that the volume vcm^3, of the solid body is given by v=pi x^2/3(30...

**math**

How many different pizza combinations can I make if I have 2 different types of crust, 2 cheese choices, 7 different meats, and 13 different vegetables

**Math**

Compute K(ω)=20lg(1/(1+τ⋅ω)12), as ω=1.3, τ=R⋅C, R=992 ja C=0.001. Use two decimals in your answer. K(1.3)=

**Discrete Math?**

Was wondering, anyone here know discrete math? Specifically regarding to rules of inferences?

**Math**

The cash records of Oriole Inc. show the following situations: Deposits in transit: 1. The June 30 bank reconciliation indicated that deposits in transit total $2,040. During July, the general ledger account Cash shows deposits of $14,610, but the bank statement indicates that...

**Math**

percentage increase & decrease original amount 20 decrease % _blank new amount 19 What is the formula used to get the decreased amount?

**Math-Geometry**

Starting from the point (0,0), a grasshopper makes a series of moves on the coordinate plane. The grasshopper's first move takes her to (3,4). She then proceeds via this rule: Move Rule: After a move which adds (x,y) to the grasshopper's coordinates, her next move adds either...

**sat math**

An employee's training time and meeting time cannot exceed 16 hours a month. For every hour of training there is 2 hours of meeting. There should be at least 2 hours of training every month. What is the difference between the maximum and minimum number of monthly training ...