Monday
December 5, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

math
Suppose you want to build a house on the edge of a hill that overlooks a deep valley. what measures could you take to be sure your home will not have problems due to weathering or erosion?
Monday, November 28, 2016 by Anonymous

Math
an at display includes two sound-effects speakers. They need to be positioned on the wall so that when you stand midway between the speakers, you are no closer than 7 feet to either speaker. each speaker should be the same distance from the corner. How far from the corner ...
Monday, November 28, 2016 by Anonymous

Math
I need help now
Monday, November 28, 2016 by please help me

math
The area of a square garden is represented by the quadratic expression 9x2 - 12x + 4. The length of one side of the square garden is 91 inches. What is the value of x ? Hint: Since the garden is in the shape of a square, the expression 9x2 - 12x + 4 is the product of two ...
Monday, November 28, 2016 by Jalen

Math
Solve -i-2-(6-4i)-(5-2i)
Monday, November 28, 2016 by Emma

math
In Heather's class room there are red chairs,yellow chairs, and blue chairs. There are 3 red chairs. There are 4 times as many yellow chairs as red chairs, and there are 3 fewer blue chairs than yellow chairs. How many chairs are there in Heather's classroom?
Monday, November 28, 2016 by Lina

Math
Where do u place the grouping symbols to make this true? 3×5-8+7-3÷6=13
Monday, November 28, 2016 by Rya

math
12 out of 15 wins,how many of its games the football team has won so far .express this information as a fraction as a percent and as a decimal
Monday, November 28, 2016 by latrisha

Math
Write an equation in slope-intercept form of the line that passed through (-3,4) and (1,4). I think the answer is y=0/4x+4 Thank you
Monday, November 28, 2016 by Anonymous

math
LCM of 81a^2b^2 and 27a^3b^3
Monday, November 28, 2016 by aroo

Math
What is the slope of the line that goes through (6, 5) and (3, 1)? a. 3/4 b. -3/4 c. 4/3 d. -4/3
Monday, November 28, 2016 by J J

Math
A rabbit travel 20 minutes in five minutes. At this speed how far can a rabbit travel in 12 minutes
Monday, November 28, 2016 by Nhi

Math
If you have 3/5 for every 2 cups of flour.How much milk was used per flour
Monday, November 28, 2016 by Rosie

math
David is planning to travel alone by motorcycle from Singapore to China. The total distance to be travelled is 4900 km. In the first week, he can travel 1000 km. a) How many weeks does it take for David to reach his destination, if he reduces the distance travelled by 100 km ...
Monday, November 28, 2016 by Thiago

Math
The average snowfall 2 to 5. If 44 inches fell in January find the predicted total snowfall for the winter
Monday, November 28, 2016 by Maurice

Math
The width is 2/3x+10 and the height is 1/3x+5 and the next question asks if the perimeter was 90 what would x represent?
Monday, November 28, 2016 by Isaac

math
Sebastian rides his bike 2,000 meters in five minutes. How many meters does he bike in 1 minute
Monday, November 28, 2016 by Nicholas

math
he coordinate plane below represents a city. Points A through F are schools in the city. graph of coordinate plane. Point A is at negative 5, 5. Point B is at negative 4, negative 2. Point C is at 2, 1. Point D is at negative 2, 4. Point E is at 2, 4. Point F is at 3, negative...
Monday, November 28, 2016 by Ashley

math
Round the decimal to the nearest hundredths place 1.724
Monday, November 28, 2016 by mae

math
what is 10% of 110?
Monday, November 28, 2016 by Human Being

Math (Calculus) (Related Rates)
A boat pulls away from a dock at 2 m/s, but the operator has neglected to remove the tow rope used to pull the boat up to the dock. This rope runs thru a pulley which is attached to the dock at a point 1 m higher than the point at which the rope is attached to the boat. A) How...
Monday, November 28, 2016 by Ray

Math
I am outside the path. (10,8,3,7) I am the difference of 2 numbers inside the path.(6,2,10,9,5) I am less than 5
Monday, November 28, 2016 by Chase

Math
Water covers approximately 11,800 mi^2 of Florida,which is about 18% of Florida's area.what is the total are if Florida to the nearest. Thousand suare miles?
Monday, November 28, 2016 by Tionna

Math
A homeowner has a 1 foot by 8 foot carpet and a 10 foot by 10 foot carpet. Show how he can cut the 10 foot by 10 foot carpet into two pieces so that he can carpet a 9 foot by 12 foot room.
Monday, November 28, 2016 by Junny

Math Help Please
1. Which set of numbers represents a Pythagorean triple? 6, 9, 12 7, 10, 12 16, 18, 25 27, 36, 45 ** 2. If the lengths of the legs in a right triangle are 7 and 8, what is the approximate length of the hypotenuse? 1.4 3.8 5.4 10.6 ** 3. Which set represents a Pythagorean ...
Monday, November 28, 2016 by Pueblo

Math
An energy saver heater uses 24% less energy than the older heater model. The older heater uses $350 worth of energy per year. A homeowner replaces his older heater with the new, energy saving heater. Each year how much will he save?
Monday, November 28, 2016 by Jenny

Math word problems
Sally has 108 muffins,which he needs to box up, 6 of which are blueberry, into dozens. How many boxes does he need
Monday, November 28, 2016 by Anonymous

Math
How do I write 15 times 3.4 using the distributive property?
Monday, November 28, 2016 by Anonymous

Math Question
Can anyone explain to me how to graph a circle if it has a square root radius? Example: x^2+y^2-7x=12-4y The radius is ?113/2, but I don't know how to graph it.
Monday, November 28, 2016 by Seth

Math
From the roof of a building, the angle of elevation of the top of a taller building is 37 degrees. The angle of depression of the base of the building is 28 degrees. The buildings are 21 m a part. Determine the height of the taller building
Monday, November 28, 2016 by Jenna

Math
The bases on a baseball diamond are 27.4m apart. The pitcher pitches,and the batter hits a fly ball straight up 15m. What is the maximum angle of elevation of the ball to the nearest degree, as seen by the pitcher if he is standing at the center of the diamond? HELP
Monday, November 28, 2016 by Katie

Math
14 bottles of water costs $56.How much would you pay for 50 such bottles?
Monday, November 28, 2016 by Brianna

Math
In the problem 7×4-4÷2 what can I put parentheses to make the statement true
Monday, November 28, 2016 by Lil

Math
Whete do you put the parenthesis in problem :50/10+10/2=5
Monday, November 28, 2016 by Vivtoria

math
It takes 8 hours for 5 people to paint a room. How long would it take 4 people?
Monday, November 28, 2016 by Mariam

Math
Input: 100 Output 10 Input: 30 Output 3 Input: 70 Output 7 Input: 40 Output 4 Input: 50 Output 5 What is the equation to show the relationship between the input and the output???? PLEASE HELP
Monday, November 28, 2016 by RITA M

math
Find the least residue of 7^5 mod 50 without using a calculator. so far I have 7=7 mod 50 7^5 = 7^5 mod 50 7^2 = 49 7^3=343 since 7^2=(-1)mod50 and 7^3=(-43)mod50 it follows that 7^6=7^2 * 7^3 = (-1)(-43) = 43 feel like this is wrong though could somebody please explain where ...
Monday, November 28, 2016 by s17

Math
If the inverses of two functions are both functions, will the inverse of the sum or difference of the original functions also be a function? Explain your reasoning.
Monday, November 28, 2016 by Anonymous

math
The surface area covered by a rectangular playground is 100 square yards. The width of the playground is 15 yards longer than its length. Using factors, find the length and the width of the playground.
Monday, November 28, 2016 by William

Math
A survey about the student government program at a school finds the following results. 190 students like the program 135 students think the program is unnecessary 220 students plan on running for student government next year. If a circle graph were made from this data, what ...
Monday, November 28, 2016 by Embershy

Math
Carols stamp collection France 24% England 22% Italy 25% Norway 29% How many more of Carol's stamps are from Norway than from France? A. 5 stamps B. 24 stamps C. 29 stamps D. 53 stamps
Monday, November 28, 2016 by Embershy

Math
The coordinate plane below represents a city. Points A through F are schools in the city. graph of coordinate plane. Point A is at negative 5, 5. Point B is at negative 4, negative 2. Point C is at 2, 1. Point D is at negative 2, 4. Point E is at 2, 4. Point F is at 3, ...
Monday, November 28, 2016 by Bea

math
What is a 15% tip on a meal that costs $38.40
Monday, November 28, 2016 by hannah

Math (please check my answer)
he figure below shows two triangles. Which statement about the triangles is true? i.imgsafe(.)org/c6dcf267d1.jpg The triangles are congruent by: 1. AAS<<< 2. ASA 3. SAS 4. They are not congruent
Monday, November 28, 2016 by Ren

MATH @Damon @ms. Sue
Sam is observing the velocity of a car at different times. After three hours, the velocity of the car is 53 km/h. After six hours, the velocity of the car is 62 km/h. Part A: Write an equation in two variables in the standard form that can be used to describe the velocity of ...
Monday, November 28, 2016 by Bea

math
I have …. 3 ones 15 hundredths 9 tenths What number am I?
Monday, November 28, 2016 by Trisi

Math
Given the data 21, 13, 13, 37, 13, 23, 25, 15: What is the outlier in the data? What is the mean with the outlier? What is the mean without the outlier? 13; 21; 17.6 37; 20; 17.6 37; 17.6; 20 13; 17.6; 21
Monday, November 28, 2016 by Embershy

Math (please check my answer!!)
What other information must be given in order to be able to prove the two triangles congruent by ASA? i.imgsafe(.)org/c64c59dad9.jpg 1. T=S 2. P=S 3. P=R<<< 4. PQ=QR
Monday, November 28, 2016 by Sami

Math
The figure below shows two triangles. Which statement about the triangles is true? i.imgsafe(.)org/c60dcd0488(.)jpg The triangles can be proven congruent by: 1. Angle angle side <<< 2. Angle side angle 3. Side angle side 4. The triangles cannot be proven congruent
Monday, November 28, 2016 by Sara

Math
If the diameter of a circle is 42cm;what is its radius. Show the formula and the calculation
Monday, November 28, 2016 by Daniel

math
how many pairs of numbers between 1-100 has LCM less or equal to 20?
Monday, November 28, 2016 by Joe

Math
what are the mean,median,mode, and range of the data set given the altitude of lakes in feet:-11,-28,-17,-25,-28,-39,-6,and -46? A. mean= -25; median= -26.5; mode= -28; range=40 B. mean= -25; median=-40; mode=-26.5; range=28 C. mean= -26.5; median= -25; mode= -28; range=28*** ...
Monday, November 28, 2016 by Embershy

Math
Not counting the "turn around" , a helicopter carrying passengers between an airport and the roof of a downtown skycraper 20 miles away can make the round trip in 15 minutes. The helicopter flies 2 miles away with the wind when the time it flies 1 mile against the ...
Monday, November 28, 2016 by Raquel

Math
How does one solve this? A= LxW ;w This is exactly how it was written and I heard your supposed divide something but I don't know...
Monday, November 28, 2016 by Anonymous

Math
Sheldon is a long-distance runner he can run a mile in 6 4/5 minutes how many miles can he run in 30 minutes
Monday, November 28, 2016 by Anahi

math
Decide whether each equation has one solution, no solutions, or infinitely many solutions. 1. 2(x – 3) = 2x a.one solution b.no solutions c.infinitely many solutions 2. 3(y – 3) = 2y – 9 + y a.one solution b.no solutions c.infinitely many solutions 3. 10x –...
Monday, November 28, 2016 by get dunked on - sans

math
An arithmetic series is such that the 10th term is 40 and the sum of the first 10 terms is 265. Find the sum of the first 20 terms.
Monday, November 28, 2016 by Fernando

Math
A motorboat travelling at full speed against a current goes 15 miles in one hour. Travelling at half speed with the current, it goes 12 miles in an hour. Find the rate of the current.
Monday, November 28, 2016 by Raquel

Math
The air speed of a plane is 150 mph. If the plane traveled the same distance in two hours with the wind as it flew in 3 hours against the wind, what was the wind speed?
Monday, November 28, 2016 by Raquel

Math
Not counting the "turn around" , a helicopter carrying passengers between an airport and the roof of a downtown skycraper 20 miles away can make the round trip in 15 minutes. The helicopter flies 2 miles away with the wind when the time it flies 1 mike againstnthe ...
Monday, November 28, 2016 by Raquel

Math
Martha is twice as old as her younger brother. The sum oh their ages is 36. How old are they?
Monday, November 28, 2016 by Jo-Anna

Math
Joe takes twice as long as to row against a current as with it. If he rows 6 miles an hour in still water, what is the rate of the water?
Monday, November 28, 2016 by Raquel

Math
A salmon swims 15 miles downstream from its birth to the ocean in 3 hours. The return trip upstream to spawn takes 5 hours. How fast does the salmon swim in still water?
Monday, November 28, 2016 by Raquel

math
A fair die is thrown twice, what is the probability that the product of the outcome is a perfect square?
Monday, November 28, 2016 by ABIOLA

math
g(x)=45x^5 For the given function, construct a new function whose graph is the graph of the original function shifted left by two units, then multiplied by 1/5, and then shifted down by three units. MY ANSWER: 9(x^5+3)-3 However it says I'm wrong please help.
Monday, November 28, 2016 by Brita

Math
-8y = 2x -7 +9y +7= 2x Determine whether each equation represents a direct variation. If it does, find the constant of variation.
Monday, November 28, 2016 by Mike

Math
Find the set of all z such that neither 2+z nor 2-z is in the interval (-1,1]. Express your answer as an interval or as a union of intervals.
Monday, November 28, 2016 by Jeff

Math
Find the cost of each item in 5 years, assuming an inflation rate of 8%. (Round each answer to the nearest cent.)
Monday, November 28, 2016 by Soraya

Math
The coordinate plane below represents a city. Points A through F are schools in the city. graph of coordinate plane. Point A is at negative 5, 5. Point B is at negative 4, negative 2. Point C is at 2, 1. Point D is at negative 2, 4. Point E is at 2, 4. Point F is at 3, ...
Monday, November 28, 2016 by Bea

Math
Two shaded identical rectangular decorative tiles are first placed (one each) at the top and at the base of a door frame for a hobbit’s house, as shown in Figure 1. The distance from W to H is 45 inches. Then the same two tiles are rearranged at the top and at the base ...
Monday, November 28, 2016 by Edgar

Business Math
Any help at all is deeply appreciated. I am trying to figure out the formulas to use for the following problems: 1. Suppose that in a monopoly market the total cost per week of producing a high tech product is given by C(x) =3600+100x+2x^2. Suppose further that the weekly ...
Sunday, November 27, 2016 by pypski

Math
James shares 9/5 of his chocolate bar with his 2 friends. How much does each person get
Sunday, November 27, 2016 by Kadie

6 grade math area perimeter
I want to make sure this one is ok. I know the area now I need perimeter. It's a long line it's a 1× 6 and on top in the middle is another box 1×2 shape the area I got was 8 sq.units. I think perimeter is 15units. Is this right
Sunday, November 27, 2016 by Jessica

6 grade math area perimeter
I found the area but I need help on perimeter. The shape in form of letter L. The long is a 1×4 and the box on top is a 1×1. THE AREA IS 5 sq.units I think perimeter is 12 is this right
Sunday, November 27, 2016 by Jessica

Math
Jasmine has taken a quiz she ks on question 16 and has completed 20% of the quiz. How many questions does the quiz have?
Sunday, November 27, 2016 by Anonymous

Math (calculus) (optimization)
A solid is formed by adjoining two hemispheres to the ends of a right circular cylinder must have a volume of 4000 cubic feet. The hemispherical ends cost twice as much per square foot of surface area as the sides. Find the dimensions that will minimize cost. I got as far as ...
Sunday, November 27, 2016 by Ray

Business Math
A couple purchased a home 5 years ago with a 20-year mortgage for $50,000 at an interest rate of 6% compounded monthly. The home is now valued at $90,000. A) How much are the couple's monthly payments? B)What is their balance after 7 years and how much equity is in their ...
Sunday, November 27, 2016 by pypski

Business Math
A couple is saving for their child's college. They decided they would like to have $50,000 in 18 years. If they can earn 4.5% compounded semiannually, how much should they deposit at the beginning of each period?
Sunday, November 27, 2016 by pypski

Business Math
Bond Pricing: A 20-year corporate bond has a maturity value of $25, 000 and coupons are paid at 5% at the end of each year. If an investor wants to earn a yield of 7% compounded semiannually, what should she or he pay for this bond?
Sunday, November 27, 2016 by pypski

Business Math
Suppose that in a monopoly market the total cost per week of producing a high tech product is given by C(x) =3600+100x+2x^2. Suppose further that the weekly demand function for this product is p=500-2x. Find the number of units that will give the break even points for the ...
Sunday, November 27, 2016 by pypski

Math
A volleyball team has won 7 games during their 21 game season. What is the ratio of losses to total games?
Sunday, November 27, 2016 by Israel

math
You have a 4/5 quart bottle of pineapple juice. How many 4/45 quart glasses can you fill?
Sunday, November 27, 2016 by kenyatta mister

Math
Four ways to round to 400
Sunday, November 27, 2016 by James

Math
A radioactive substance decays to the formula N=8e^-0.6t , where N is the number of milligrams present after t hours. Determine the initial amount of the substance to the nearest 10th of an hour, determine the half life of the substance, and determine the number of hours for 0...
Sunday, November 27, 2016 by pypski

math
the mystery number is an odd number. The digit in tens place is equal to digit in the ones place. The sum of the digit is more than 10 and less than 15. what the number?
Sunday, November 27, 2016 by amy duncan

Math
The area of an isosceles right triangle decreases at a rate of 5 cm² per second. At what rate is the hypotenuse changing when each of the other sides has length 10 cm? So far I have: Given: dA/dt= 5cm^2/s Find: dH/dt when b&h= 10cm And h= root 200(?)
Sunday, November 27, 2016 by Kaylee

math
In a football game, a touchdown with an extra point is worth 7 points and a field goal is worth 3 points. Suppose that in a game the only scoring done by teams are touchdowns please help!!!!
Sunday, November 27, 2016 by Anonymous

Math
what two numbers rounds to 600
Sunday, November 27, 2016 by James

Math
Molly has a jar containing 4 yellow 3 blue 3 green and 2 orange marbles If Molly removes one marble without looking record the color does not replace it before drawing again what is the probability that she will remove two yellow marbles
Sunday, November 27, 2016 by Skye

Math
F(x)= 3/2x +b In the function above, b is a constant. If f(6)=7, what is the value of f(-2) ?
Sunday, November 27, 2016 by Amy

Math applications of proportions
1. Pack of with 6 cans of juice coat 3.48 what is the unit rate? A. O.49 per can B.0.50 per can C. 0.58 per can D. 0.60 per can 2. A recipe calls for 2 cups of flour to make 24 cookies write and solve a proportion to find how much flour is needed to make 54 cookies? A. 2/24 = ...
Sunday, November 27, 2016 by Martha wilson

Math
If (t/5)/(t-5)=10 what is the value of t ?
Sunday, November 27, 2016 by Amy

Math
Simplify -i-2-(6-4i)-(5-2i)
Sunday, November 27, 2016 by Emma

Math
Combine like terms. 7a square root 2 - a square root 2 + 16= My answer would be as follows: 7a square root 2 + 16 Can you please check to see if I got this correct
Sunday, November 27, 2016 by Donald

math
Tickets for a certain show cost ?$15?, $24?, ?or, for VIP? seats, ?$41. If ninenine times as many ?$15 tickets were sold as VIP? tickets, and the number of ?$15 tickets sold was 55 more than the sum of the number of ?$24 tickets and VIP? tickets, sales of all three kinds of ...
Sunday, November 27, 2016 by NORma

Math
What two numbers round to 700
Sunday, November 27, 2016 by James

Math-Probability
A multiple choice test has 10 items and each problem has four choices A, B, C, and D. How many different ways can the answer sheet be completed?
Sunday, November 27, 2016 by Paige

Math algebra
If f(x) =2x-1, then f^-1(x)=???
Sunday, November 27, 2016 by Emily

Math
How does this probability of giving birth to three boys after each other?a tree diagram can then be used.
Sunday, November 27, 2016 by Bathabile

math algebra
Find an eqaution for the line passing through (1,3) and perpendicular to the line 3y=-2x+6
Sunday, November 27, 2016 by niki

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