# Math

## Recent Questions

**Math Help**

The area of the parallelogram is given. Find h ———————————-\ | \ \ | \ \ h | \ 12m2 \ | \ \ | \ \ | \ \ — — ——————————--\ h 6m

**math**

clarence us a salesman who receives 8% commission on every sale he makes. If his most recent sale helped him earn $216 in commission , how much was his sale?

**math**

Jan and pete are home decorators. Jan can paint 3 rooms in 2 hours. Pete can paint 2 rooms in 3 hours. If they work together, about how many hours will it take jan and pete to apint 6 rooms.

**math**

a radio program has a quiz consisting of 3 multiple choice questions, each with 3 choices. A contestant wins if he or she gets 2 or more of the questions right. The contestant answers randomly to each question. What is the probaility of winning?

**Math?**

Which expression is equivalent? −5(−3x − 6) A) 15x + 30 B) 15x − 30 C) −15x + 30 D) −15x − 30

**math**

A bag contains 12 red balls and 10 blue balls. A ball is drawn at random. The probability that ball drawn is red is

**Math**

A new stretch of road is 9.14 miles long, and is constructed primarily out of asphalt. Each lane is 18.0 feet wide, and the road only consists of two lanes. The average thickness of the asphalt along the road is 5.49 inches. How many cubic meters of asphalt is there in the ...

**Math**

In tje equation y=15x-45 Would the slope be 45 or -45? I think it’s -45.. am I right?

**math**

The number of years of education of self-employed individuals in the United States has a population mean of 13.6 years and a population standard deviation of 3.0 years. If we survey a random sample of 100 self-employed people to determine the average number of years of ...

**Math**

In a group of 40 students, 22 study Economics, 25 study Law, and 3 study neither of these subjects. Determine the probability that a randomly chosen student studies: 1. Both Economics and Law 2. At Least one of these subjects 3. Economics given that he or she studies Law I ...

**Math**

Translate the phrase into an algebraic expression. Five times k A 5k (my answer) B k + 5 C k divided by 5 D 5 - k Evaluate the expression when a = 6 a-24 A - 30 (My answer) B - 18 C 18 D 22 Evaluate the expression when s = 9 and t = 12 2s - t A - 6 B 6 C 15 (MY ANSWER) D 30

**Math**

(1) The curved surface area A of a cone of height and base radius is pie R squareroot H square+T square. (a) Make H the subject of the formula. (b) Find the height of a cone of area 550cm Square and base radius 7cm, taking pie to be 22/7. (2) if nSquare _ 1 over m = 4. (a) ...

**math**

What is the solution to (4 x 10^3) x (6 x 10^6), written in scientific notation?

**math**

solve the inequality. explain each step and identify the property used for each step. 5z >_ -75

**Math**

Betty decides to compare the diagonals of both the square and rectangular tables customers will use in the coffee shop. Her measurements show that the square tables have a side length of 34 inches and the rectangular tables are 29 1/3inches wide and 35 inches long. She uses ...

**Math**

Betty decides to support local artists by hanging their artwork in her shop. When decorating the coffee shop, Betty comes across the following formula for placing pictures on her walls: 1/3 |a-12|+ 2/3|a|where a equals the number of pictures that she would like to hang. What ...

**Math**

m-7<6

**MATH**

this basic recipe for split pea soup serves 8 people. Find the amount of each ingredient that serves 32 people. I CANT FIGURE IT OUT URGENT QUESTION

**math**

a single ball is drawn from an urn containing 6 balls numbered 1 through 6. Find the probability that the ball choose as follows. an even-numbered ball or an odd-numbered ball

**Math**

If a certain number is increased by 5, one - half of the result is three - fifths of the excess of 61 over the number. Find the number

**Math help**

Most states require students to pass an algebra course in order to graduate high school. Why do you think this is? Explain why you agree or disagree with this requirement

**Math**

In a group of 40 students, 22 study Economics, 25 study Law, and 3 study neither of these subjects. Determine the probability that a randomly chosen student studies: 1. Both Economics and Law 2. At Least one of these subjects 3. Economics given that he or she studies Law I ...

**Math(check answers)**

Find the LCD of 3/5 and 1/6 a.5 b.6** c.11 d.30

**Math**

When doing a calculation involving zoning laws, Tim comes across the following expression: fraction numerator a minus open vertical bar a close vertical bar over denominator a end fraction, where a is either a positive or a negative number. (A) What is the value of the ...

**Math**

Use inverse operations to solve each equation. Explain each step and identify the property to reach step 19 = h/3 - 8 Solve the equation. Explain each step and identify the property used to reach step. 0.6x + 0.8 = 1.4

**Math**

Tim’s client wants to sell her house and needs an estimate of its value. To get an initial estimate, Tim averages the sale price of similar homes in the area. He also adjusts the value of each of these homes using a multiplier to take any differences in value into account. ...

**Math**

Find all 3-digit numbers that have the sum of the digits 7, and where each digit is smaller than the one on the left of it. ------------ Real Desperate for answer. I'll miss Halloween if i don't get this done.

**Math**

In a group of 40 students, 22 study Economics, 25 study Law, and 3 study neither of these subjects. Determine the probability that a randomly chosen student studies: 1. Both Economics and Law 2. At Least one of these subjects 3. Economics given that he or she studies Law I ...

**Math**

A surfer paddles out past breaking waves, rides a wave, paddles back out past the breaking waves, rides another wave back to the beach. Draw a sketch of a graph (with labels) that shows the surfer’s possible distance from the beach over time. What exactly does that mean?

**Math**

Given P(A) = m is the probability of event A occurring in any given trial: 1. State the range of possible values of m 2. Suppose two trials are performed independently. Find, in terms of m, the probability of A occurring: a) Exactly once b) At least once I am very confused of ...

**math**

verify The set of all 2 × 2 invertible matrices with the standard matrix addition and scalar multiplication is a vector space or not?

**Math**

Write and solve an equation for each of the following. Triangle ABC is congruent to triangle DEF. AB = 2x - 10, and DE = x + 20. Find the value of x and AB. I don't even know where to begin, please help.

**math**

An architect draws blueprint of house using scale 1 inch equals 6 ft. Kitchen measures 19 1/20th by 22 1/2 ft, what are the dimensions for the kitchen

**Math 30-1**

1) Determine the approximate measure of all angles that satisfy the following. Give answers to two decimal places. Use diagrams to show the possible answers. a) cos θ = 0.42 in the domain -π ≤ θ ≤ π b) tan θ = -4.87 in the domain - _ π 2 ≤ θ ≤ π c) csc θ = 4....

**Math**

(1.) 7 2/7 x 3 7/9 (use benchmark to estimate the sum difference or product A 32 B 28 (My answer) C 24 D 21 (2.) Find the sum 3/9 + 4/9 A 7/9 B 7/18 C 7/81 (my answer) D 2/3 (3.) Find the Sum 14 2/9 + 11 2/3 A 25 8/9 B 25 1/9 C 25 1/6 (my answer) D 25 2/3 (4.) Find the Sum -4/...

**math**

I have decided that a 300 foot tall tower needs an extra guide wire. The location I have chosen is 1000 feet from the base of the tower. What angle does the wire make with the ground and what length will the wire be?

**Math**

Use benchmark to estimate the sum, difference, or product 14/16 + 1/5 A - 2 B - 0 C - 1/2 D - 1 My answer is A

**Math**

Two tourists went on a hike at dawn. One went from a to b and another one went from b to a. They met at noon but did not stop and continued walking maintaining same speed for the whole trip. One finished his hike at 4pm in B and another one came to A at 9 pm. At what hour was ...

**Math**

Weight(lb): 4,5,46 Total Cost($): 17.40,21.75,200.10 a.proportional? _________ b.equation? _______ c.weight: __________ d. total cost: ________ My answers: a. Yes b. Y=4.35x c. don't have one d. don't have one I am no sure how to find the answers for c and d, please help

**math**

If 2 adult tickets and 1 child ticket cost $8 and if 1 adult ticket and 3 child tickets cost $9, what is the price of each ticket

**math**

find three consecutive odd integers such that the sum of three times the first and the third is 72

**Math**

1.| The average annual railfall for a town is 43.2 inches. A.what is the average. Monthly rainfall? B.|the difference of a given month's rainfall from the average monthly rainfall s called the deviation for each month shown? Town's Rainfall in last three months [Month] may| ...

**math**

15(p-4+2)

**Math**

Kelly is 66 inches tall. How tall is she in feet?

**Math**

How do you find the x intercept in y=mx+b equation

**Math**

An above-ground pool is leaking. After 1/2 hours the pool has leaked 7/8 of a gallon of water. How many gallons of water per hour is the swimming pool leaking?

**math**

Eli's Dad made him a birthday cake, but forgot to buy candles. He could only find a few. But Eli was smart in math, so his Dad said,"The ratio of candles to years is 3 to 5." That gave him the right number. How old was Eli?

**math**

THE correct expontial form of 2(x)(x)(y)(y)(y)

**Math**

s=9 and t=12 3(3*t+s) A.9 B.24 C.45 D.135*** Is this correct?

**math**

A salesman working at a furniture store receives a monthly base salary plus a commission of $100 for each $1000 of furniture sales. If the value of furniture sold is $5000 he receives a monthly salary of $2300. How much is his monthly salary if the value of furniture solid is...

**Math**

How can u use regrouping to multiply

**Math**

The ratio of the number of sheep to the number of horses on a farm is 8:3. If there are 42 horses on the farm, how many sheep are there on the farm? Sheep

**math**

Another problem that I am disagreeing with the answer key - I am once again solving for b -9 = -24/7 + b I add -24/7 to both sides to get -9 + 24/7 = b When I make 7 my denominator for both I get -63/7 + 24/7 = b My final answer is -39/7 = b The answer book says it's positive ...

**math**

A car travels 27.4km in 20 min find its speed in km per hour.

**math**

Separate 120 into 2 parts such that 4 times the smaller is 5 more than the larger.

**math**

Hi, I'm trying to solve this problem and I can't seem to come up with the answer that the answer book says. It is 3 = -20/3 + b So I want to solve for b I add 20/3 to both sides so I get 3 + 20/3 = b When I make the same denominators, I get 9/3 + 20/3 to be 29/3 = b The answer...

**math**

True or false 1.) The set of integers contains the set of rational numbers 2.)Every repeating decimal is a rational number 3.)Every square root is an irrational number 4.) the set of whole numbers contains the set of rational number 5.)every terminating decminal is arational ...

**Math**

Find the simple interest on $62,500 for 9 months at 16%

**math**

In a baseball league consisting of 15 teams, each team plays each of the other teams twice. How many games will be played?

**math**

5sin + 12cos = 13 , find the value of tan

**Math**

A family has three children. Assuming a boy is as likely as a girl to have been born, what is the following probability? Two are girls and one is a boy.

**Math**

Local elections are coming up. It is expected that one of the candidates will receive 45% of the votes. There is a margin of error of 0.05. Write and solve the inequality that shows the range of votes that will go to this candidate.

**Math**

Solve the Go.a ball was dropped from a height 80m above a concrete floor. It rebounded to the height 1\2 of its previous height at each rebound. After how many bounces is the ball 2.5 high

**math**

the circumference of s sphere is measured to be 10 cm with an error of 0.4cm.the this radius is used to calculate the area and volume.find the errors in the calculated radius,area and volume

**consumer math**

Ramon, a sales representative for HP computers, is paid $795 per week plus a commission of 2% on sales. His sales last week were $10,560. Find the amount he pays in Medicare taxes for the week. $29.18 $14.59 $62.38 $145.89

**Math**

Arectangular lawn measuring 8m by 12m is surrounded by apaved path of constant width-w metres.The area of the path is 23m^2. Form aquadratic equation that must be satisfied by width and hence find the width of the path?

**Math help**

Paul is painting a square wall with an area of 115 square feet. To the nearest foot, what is the length of the wall? (1 point) 11 29 ** 42 58

**math**

cosxtanx-sin^2x=0 solve for x over the domain 0 is less than or equal to x which is less than or equal to 2pi

**Math**

A dime is 1/2 an inch wide. If you set 5 dimes next to each other and measured from end to end, how long would they be?

**Math**

to establish a college fun, what lump sum must be deposited in order to have $30,000.00 in the fund at the end 0f 15 years? Assume a 7.5% interest rate, compounded monthly

**math**

find the volume of a prism whose dimensions are x cm, (x+2) cm and (x-1) cm in its simplest form

**Math**

The scores for students are 40,41,42,43,45,47,49,50,51,51,54,57,59,60,61,63,67,69,70,71 What is the percentile for the score 51.

**Math**

use the inverse operation to solve below equation. 19= h/3-8 equals 81 Thanks

**Math**

Which describes the end behavior of the graph of the function f(x)=-2x^3-5x^2+x? a. f(x) approaches infinity as x approaches negative infinity and f(x) approaches infinity as x approaches infinity b. f(x) approaches negative infinity as x approaches negative infinity and f(x) ...

**Math**

Homework. What's the equation for solving word problem Sam is 22 years less than half of his grandmother's age. If Jesse is 10, how old is his grandmother?

**Math**

Construct the triangle CAB with angle CAB 60 degree with AB 8cm and AC 9cm

**Math**

Trying to solve an equations word problem and can't get the equation in order to solve it. please help. What should the equation be for....Todd wants to hang a picture that is 15 inches wide in the center of a wall that is 32 inches wide. How far from each corner should he ...

**math**

Evaluate: 1 2/3 x 2 5/8 Give your answer as a mixed number in its simplest form. PLEASE HELP AS SOON AS POSSIBLE !!!!!!

**Math**

For questions one into write the metric unit that makes the statement true. 1. 517.3 km=_____m A.51,730 B.517,300 C. 51.73 D.0.5173 2. 7,018 mm=7.018__ A.km B.m C.dm D.cm I think that #2 is not c mabby a? And #1 I don’t know

**Math**

Find out how long it takes a $3,100 investment to double if it is invested at 7% compounded monthly. Round to the nearest tenth of a year.

**math**

the perimeter of a rectangle is 8.0 cm. The width is 3/5 of the length. find the width and the length

**math**

There were 812 adults and half as many children at a concert. There were 96 more women than children. How many men there were?

**Math**

A city park planner is deciding between two proposals for a new rectangular playground. One is for a playground with an area of 1930 square feet. A) The second proposal is for a playground that is 11.5 meters long and 19.5 meters wide. What is the area of this playground? Use ...

**Math please help**

I'm stuck on this I got square root 4096^-1/6 I don't know what to do next (Square root 16^3) ^-1/6

**Business math**

Find the future value of an investment of $10 ,500 if it is invested for six years and compounded semiannually at an annual rate of 3%. Use the $1.00 future value table or the future value and compound interest formula.

**Math**

the cote family car gets between 25 and 29 miles per gallon of gasoline the fuel tank holds 17 gallons of gasoline and the cotes refill the tank whenever it is 1/4 full the cost of gasoline will be 3.47 and 3.69 per gallon A) write expressions to estimate the amount they will ...

**Math**

A city park planner is deciding between two proposals for a new rectangular playground. One is for a playground with an area of 1930 square feet. A) The second proposal is for a playground that is 11.5 meters long and 19.5 meters wide. What is the area of this playground? Use ...

**math**

5x+y=16 x-2y=1

**MATH HELP PLEASE!!!**

How do you solve this please show with steps I'm very lost, I tried to put it in square root and I tried to multiply my approaches do not add up to the answer which is supposed to be 9/125... (3^1/3 • 5^ -1/2)^6

**Math**

Where is my question.

**Math help**

How do you solve this please show with steps I'm very lost, I tried to put it in square root and I tried to multiply my approaches do not add up to the answer which is supposed to be 9/125... (3^1/3 • 5^ -1/2)^6

**Math**

An archer shoots an row into the air such that it's height at any time, t, is given by the function h (t)= -16t^2+kt+3. If the maximum height of the arrow occurs at time t=4, what is the value of k? A) 128 B) 64 C) 8 D)4 What I did: H (t)= -16t^2+kt+3 4= -16 (4)^2+ k(4)+3 4= -...

**Math**

A company did a quality check on all the packs of trail mix it manufactured. Each pack of trail mix is targeted to weigh 9.25 oz. A pack must weigh within 0.23 oz of the target weight to be accepted. What is the range of rejected masses, x, for the manufactured trail mixes? x...

**MATH**

WHICH SHOWS THE GCF OF 18 AND 24 WITH 18/24 IN SIMPLEST FORM

**Math**

Use log table to solve these; 2.647*0.00921 / 0.05738

**math**

third degree with zeros of 2-i,2+i and 2 and a leading coefficient of 4. Construct a polynomial function with stated properties

**math**

ABC is a sector of a circle with radius R cm and centered at C. The arc DE lies on a circle also centered at C.If the arc DE divides the sector ABC into two regions of equal area. Find the length of the interval CD in terms of R.

**Math**

A box has 9 marbles, 4 of which are white and 5 of which are red. A sample of 5 marbles is selected randomly from the box without replacement. What is the probability that exactly 3 are white and 2 are red? (Enter your answer as an exact fraction.)

**math**

can someone review my answers 1. Express 5/8 as a decimal Answer: 0.875 2. express 1 1/20 as a decimal Answer: 1.2 3. express 2.6 as a mixed number Answer: 2 6/10

**Math**

Given: measure of angle D=~ measure of angle F ; line GE bisects angle DEF Prove: line DG=~ line FG =~ is the congruent sign