Sunday
December 4, 2016

# Homework Help: Math

## Recent Math Questions

Math
What is 17% of 800 and 83% of 800?
Thursday, October 20, 2016 by Anonymous

math
When an airplane leaves the runway, its angle of climb is 24° and its speed is 345 feet per second. How long will it take the plane to climb to an altitude of 10,000 feet? 16,000 feet? (Round your answers to one decimal place.) 10,000 ft = ? in s 16,000 ft = ? in s
Thursday, October 20, 2016 by Arora

Math
Three numbers form a g.p.if the first and third numbers are 5 and 245 respectively, find two possible values for the middle number.
Thursday, October 20, 2016 by Tony

Math
This is a really weird question but mom in a dilemma. My economics teacher doesn't post our marks online so idk what mark I'm actually at in his class. Can anyone help me figure out what percent I'm at right now if I give the following information ? He has: ...
Thursday, October 20, 2016 by Maya

math
f(x) = 4x-5 and g(x) = 3x, find (fog)(x)
Thursday, October 20, 2016 by cris

Math
A Boy Scout has 3 meters of rope. He cuts the rope into cords 3/5m long. How many cords will he make?
Thursday, October 20, 2016 by Bibi

Math
the 3 sides of a triangle have lengths of (x+7) inches, (5x+6) inches, and (5x-3) inches. What is the length of the shortest side if the perimeter of the triangle is 43 inches
Thursday, October 20, 2016 by Nethan

Math
A rectangular school banner has a length of 36 inches and a width of 52 inches. A sign is made that is similar to the school banner and has a length of 22 inches. What is the ratio of the area of the school banner to the area of the sign? What is the ratio of the areas?
Thursday, October 20, 2016 by Sun

MATH
Suppose an object moves along the x-axis so that its position at time $t$ is $x=-t+\frac{t^3}{6}$. (a) Find the velocity, $v(t)=x(t)$, of the object. (b) What is $v(0)$? What does this say about the direction of motion of the object at time $t=0$? (c) When is the object at the...
Thursday, October 20, 2016 by Sara

Math
A rectangle, a circle and a triangle are drawn in a plane. What is the maximum number possible points of intersection. The sides of the triangle are not collinear with any of the sides of the rectangle.
Thursday, October 20, 2016 by David

Math
adding and subtraction number using greatest common factors 940-420=? 169-26=? 15+75-45=? 48+16=? 17+51=? What is the GCF?
Thursday, October 20, 2016 by Student

Math
adding and subtraction number using greatest common factors 940-420=? What is the GCF?
Thursday, October 20, 2016 by Student

Math
adding and subtraction number using greatest common factors 121-22=? What is GCF of this problem?
Thursday, October 20, 2016 by Student

maths
In a class of 38 students, each student studies at least one of the following subjects: French, Mathematics and History. The following table gives further details of the subject studied. French 9 Mathematics only 8 History only 1 French & Math. 7 French & History 9 History & ...
Thursday, October 20, 2016 by gtj

math
If I have 2 sweatshirts, 2 shirts, 2 pants, 2 shorts, and 2 shoes what would the tree diagram look like?
Thursday, October 20, 2016 by Kira

Math
A rectangular school banner has a length of 36 inches and a width of 52 inches. A sign is made that is similar to the school banner and has a length of 22 inches. What is the ratio of the area of the school banner to the area of the sign? What is the ratio of the areas? I ...
Thursday, October 20, 2016 by Jack

Math
Three numbers form a g.p.if the first and third numbers are 5and245 respectively,find two possible values for the middle number.
Thursday, October 20, 2016 by Tony

Math
1/4(x-y) =1, find y thanks
Thursday, October 20, 2016 by LA

Math
1/3 gallon of tea into 3 cups. How much in each cup?
Thursday, October 20, 2016 by Marie

Math
A rectangular shaped desk has a length of 36 inches and a width of 16 inches. A desk with a similar shape has a width of 24 inches. What is the length of this desk?
Thursday, October 20, 2016 by Alex

Math
A 6-foot person standing 15 feet from a streetlight casts a 10-foot shadow. Two similar triangles are formed. One triangle is formed by the person and the shadow that the person casts. A second triangle is formed by the streetlight and the ground from the base of the ...
Thursday, October 20, 2016 by Alex

Math
There are 2 loaves of bread and 1/4 of each bread is served to 6 students? How many many are served to each student?
Thursday, October 20, 2016 by Aiden

math
Show me how to make $0.60 in two ways,without using quarters or pennies Thursday, October 20, 2016 by angel Math Distribute 35-15 Thursday, October 20, 2016 by Kat math 12,b,75 are consecutive terms of a geometrical sequence what is the common ratio? Thursday, October 20, 2016 by victor Math Length of a rectangle is 16 centimetre less than twice its breadth if the perimeter of a rectangle is 100 centimetre find its length and breadth Thursday, October 20, 2016 by Harvinder Math Does Anyone have the answers to math unit 3 lesson 12 : Exponents factors and fractions unit test its urgent please Thursday, October 20, 2016 by HELP PLEASE Math Kat has a smoothie company. She needs to make 240 cups of fruit smoothies for the next day. If she wants to store the smoothies overnight in quart containers, how many quart containers will kat need? Thursday, October 20, 2016 by Lucus All of math What are all the answers to unit 4 lesson 11 Thursday, October 20, 2016 by Sam math two strips of fabric measure 14 2/3 inches and 20 7/8 inches in length. to form one length, the strips are sew together using 3/8 inch from each strip to make the seam. what is the final length of the fabric after the two strips are sewn together. Thursday, October 20, 2016 by charles Math (Function differentiable) Determine whether the function is differentiable at x=2 x^2+1 for x<(or equal to) 2 4x-3 for x>2 I did the math for the limits of both equations and they both approach to 4. So that means they are differentiable right? Thursday, October 20, 2016 by Ray math S varies directly to the square of t. Given that S = 100, when t = 4, calculate the value of: a) k, the constant of proportionality b) S when t = 8 c) t when S = 1 Thursday, October 20, 2016 by Jess mathematics a student answers 90% of the questions on a math exam correctly.if the answers 27 questions correctly.how many questions are on the exam? Thursday, October 20, 2016 by Anonymous Math Craig used the diagram to compute the distance from ferris to dunlap to butte. how much shorter is the distance directly from ferris to butte than the distance craig found? 14 mi 28 mi 70 mi*** 98 mi Thursday, October 20, 2016 by Ras Math an irrigation pump can do a job 3 times faster than another. If the y work together it takes 9 hours to complete the job. How long would it take the larger pump by itself Thursday, October 20, 2016 by Pat math Lily and Rose are playing the game in the game each player starts with 0 points Thursday, October 20, 2016 by Derek Math The sum of three consecutive natural number is 153.find the numbers Thursday, October 20, 2016 by Nikhil math How many 3-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7 if repetition of digits is not allowed? Thursday, October 20, 2016 by Anonymous Math Roy throws a flying disc, and it lands 30 meters away.The distance Anna throws the disc is times the distance Roy throws the disc.The distance Glen throws the disc is times the distance Roy throws the disc. Place the names in order from greatest to least distance they throw ... Thursday, October 20, 2016 by 123bruh Math Walmart sells a case of 24 cans of diet coke for$6.88. Publix sells a 12 pack of diet coke for $3.99. Which is the best buy? I need help on this. Thursday, October 20, 2016 by Erik Math You mix 8 tablespoons of hot sauce and 3 cups of salsa in a green bowl. You mix 12 tablespoons of hot sauce and 4 cups of salsa in an orange bowl. Which mixture is hotter? My Answers: My first train of thought is that there must be a conversion factor to this however I am not ... Thursday, October 20, 2016 by Erik Math Length of equal sides of an isosceles triangle is 4cm less than twice the length of third side.find length of equal sides if perimeter of the triangle is 57 cm Thursday, October 20, 2016 by Sandy's Math PLEASE HELP! 4^2-(2•2^4) i got -16 if i'm wrong please explain. i also got -240 doing it a different way, PLEASE help! Thursday, October 20, 2016 by No one Math My number has 2 tens and 2 ones what is my number? Thursday, October 20, 2016 by Karma Math Find the 999th derivative of cos x. I got sin x. Thursday, October 20, 2016 by Dave math a blacksmith has a rectangular iron sheet with the length of 10 cm. he has to cut out 7 circular disc of radius 1 cm. what is the minimum width of that rectangular sheet? Thursday, October 20, 2016 by pk Math lim (cos(π/4 + h) - cos (π/4)) h->0 _________________________ h Somehow I ended up with cos(1). Thursday, October 20, 2016 by Dave Math Use the quotient rule to find the derivative of cot x. I tried to solve this, but somehow I got (sec^2x)/(tanx)^2. Thursday, October 20, 2016 by Dave Math Juana paid$1,200 for a sofa. The price of the sofa Ben purchased was 3/5 the price that Juana paid. How much did Ben pay for his sofa?
Thursday, October 20, 2016 by Tan

math
The baker packs 36 bran muffins in boxes of 4 . Draw and label a tape diagram to find the number of boxes he packs.
Thursday, October 20, 2016 by avery

Math
the sum of two numbers is 21 five times the first number added to 2 times the second number is 66 find the two numbers
Thursday, October 20, 2016 by Anonymous

Math
Sarah cycle 30mi to grandmother house at a steady speed of ten miles mph if she leaves home at 2:00pm what time does she arrives?
Thursday, October 20, 2016 by Emmer

Math
Use a triple integral to find the volume of the given solid. The solid enclosed by the cylinder x^2 + y^2 = 9 and the planes y + z = 19 and z = 2.
Wednesday, October 19, 2016 by Anon

Math
Use a triple integral to find the volume of the given solid. The tetrahedron enclosed by the coordinate planes and the plane 8x + y + z = 4
Wednesday, October 19, 2016 by Anon

Math
Find center of mass of the lamina that occupies the region D and has the given density function ρ. D is the triangular region with vertices (0, 0), (2, 1), (0, 3); ρ(x, y) = 5(x + y) mass=30 Find center of mass
Wednesday, October 19, 2016 by Anon

math
form a polynomial with a degree of 4 zeros 4,-3i,1 and multiplicity 2
Wednesday, October 19, 2016 by rachel

Mike’s Sporting Goods sells elliptical trainers under two payment plans: cash and installment. Under the installment plan, the customer pays $90/month over 5 years with interest changed on the balance at a rate of 19%/year compounded monthly. Find the cash price for an ... Wednesday, October 19, 2016 by Kal Jay math what is the length and width of a rectangle that has a square foot of 81 Wednesday, October 19, 2016 by Anonymous Math Kenny reads 4/9 page in 3/4 minute Kenny's unit rate is (what) page per minute Wednesday, October 19, 2016 by John Math Put this fractions from shortest to longest 1/2,0.4,2/3,1.04? Wednesday, October 19, 2016 by Kimy math A thumb drive has a storage capacity of 1,000,000,000 bytes. A hard drive has a storage capacity of 10,000,000,000 bytes. a. What is the total storage capacity of 1,000 similar thumb drives? Write your answer in exponential notation b. How many times as great as the storage ... Wednesday, October 19, 2016 by Anonymous math Phil deposited$1,000 in a savings account. How much will he have in his account in two years if his account is compounded annually at a 2% interest rate?
Wednesday, October 19, 2016 by Anonymous

math
The area of a round mat is 64 pie square inches. What is the diameter of the mat?
Wednesday, October 19, 2016 by Anonymous

math
what is the solution to the following system? -2x-y=1 -4x-2y=-1
Wednesday, October 19, 2016 by anon

Math
How much should you deposit at the end of each month into an investment account that pays 7.5% compounded monthly to have $2 million when you retire in 41 years? How much of the$2 million comes from interest? How much should you deposit?
Wednesday, October 19, 2016 by laur

Math
A fish tank in the shape of a cuboid has length 320 cm. Its length is twice that of its width. to enhance viewing the area of the four vertical faces should be maximized. Find the optimum viewing area of a fish tank that is fixed to the wall so that the area of three faces ...
Wednesday, October 19, 2016 by Tabitha

math
michelle has some stamps. Her sister has half as many stamps as does. They have 1080 stamps in all. Home many stamps does Michelle have
Wednesday, October 19, 2016 by teresa

Math
I need help with homework 2-10 fifth grade
Wednesday, October 19, 2016 by Emma

math
seven people decide to share 3/8 of a bag of marbles equally . What fraction of the bag of marbles does each person recieve?
Wednesday, October 19, 2016 by Darlene

math
A rectangular prism has a length of 4x inches, a width of 3x inches, and a height of 5x inches. If the prism has a volume of 20,580 cubic inches, find the value of x.
Wednesday, October 19, 2016 by Anonymous

math
The Place des Vosges in Paris is one of the first examples of European city planning. It is a perfect a square with an area of about 19,600 square meters. What is the perimeter of the square?
Wednesday, October 19, 2016 by Anonymous

math
Use properties to evaluate the expression. (19 + 28) + 21
Wednesday, October 19, 2016 by kaeda

math
subtraction problem of 2/9
Wednesday, October 19, 2016 by asnin

math
Find the angle of depression from the top of a lighthouse 191 feet above the water level to the water line of a ship 4 miles offshore.
Wednesday, October 19, 2016 by nick

MATH
A dietician is planning a snack package of fruit and nuts. Each ounce of fruit will supply zero units of​ protein, 3 units of​ carbohydrates, and 2 unitss of​ fat, and will contain 20 calories. Each ounce of nuts will supply 2 units of​ protein, 11 ...
Wednesday, October 19, 2016 by Angel

Math
Kaylee,a residential builder,is working on a paint bugit for a custom designed home she's building.A gallon of paint costs $38.50,and its label says it covers about 350 square feet. A. Explain how to calculate the cost of paint per square foot.find this value.show your ... Wednesday, October 19, 2016 by Patrick Math What is 3258 rounded to the nearest thousand. Wednesday, October 19, 2016 by Nalazja math sales of computer increased by 5% per year over a 7 year period. by what total percent did sales of computers increase during this time period. round the answer correct to one decimal place Wednesday, October 19, 2016 by s.falk Math, Algebra choose the correct solution and graph for the inequality (3y-6)/3 +4 <= -2 OR (4y-8)/2 -1 >= 5 Someone please help me and show me how to solve this. The numbers in parentheses are over a fraction, which is the number next to the slash. I can do the graphing myself, I ... Wednesday, October 19, 2016 by Earth math you have an account which pays 10.4% annual interest, what is the minimum amount which must be invested to have$4,000 in 11 years, assuming you compound a. daily b. continuously
Wednesday, October 19, 2016 by Noah

Math
A 14 FOOT LADDER IS LEANING AHAINST A BUILDING WITH THE BASE OF THE LADDDER 5 FEET FROK THE BUILDING HOW HIGH UP ON THE BUILDING WILL THE TOP OF THR LADDEE REACH?
Wednesday, October 19, 2016 by Anns

Math Help
The demand equation for a certain brand of GPS Navigator is x + 3p - 565 = 0, where x is the quantity demanded per week and p is the wholesale unit price in dollars. The supply equation is x - 16p + 480 = 0, where x is the quantity the supplier will make available in the ...
Wednesday, October 19, 2016 by Robbi

Math Help
A division of a corporation produces "Personal Income Tax" diaries. Each diary sells for $8. The monthly fixed costs incurred by the division are$20,000, and the variable cost of producing each diary is $3. What should be the level of sales in order for the division... Wednesday, October 19, 2016 by Robbi Math Help A manufacturer of 24-hr variable timers, has a monthly fixed cost of$56,000 and a production cost of $9 for each timer manufactured. The units sell for$16 each. Find the break-even point algebraically. a. break-even production 16,000 units; break-even revenue $1,280,000 b. ... Wednesday, October 19, 2016 by Robbi Math Help For the pair of supply-and-demand equations, where x represents the quantity demanded in units of 1,000 and p is the unit price in dollars, find the equilibrium quantity and the equilibrium price. 2x + 9p - 93 = 0 and 3x - 14p + 108 = 0 a. equilibrium quantity 12,000 units; ... Wednesday, October 19, 2016 by Robbi Math Which statement is true? 29/35 < 20/30 18/34 > 16/32 14/21 > 17/24 20/15 < 28/23 Wednesday, October 19, 2016 by Rylee math How many paths spell STATISTICS using Pascal's triangle? S T T A A A T T T T I I I S S T I I C C C S S Thanks in advance Wednesday, October 19, 2016 by Jenna Math The sum of the weights of a dog and cat is 27 pounds. The dog weights an odd number of pounds. Each animal's weight is counting number. If he weights twice as much as she does, what are the weights of the dog and the cat? Wednesday, October 19, 2016 by Irene Spence Math In a row of 15 mugs three are blue and the rest are red what fraction of the mugs are blue in math Wednesday, October 19, 2016 by Mohab math A cylindrical tank has a height of 150cm and a diameter of 90cm. How much water can it hold? Wednesday, October 19, 2016 by Kumbi math To maximise profit, the company should sell as many children’s tickets as possible. Of the 300 available seats, determine how many should be allocated to children if there is a maximum of 4 children per adult. Wednesday, October 19, 2016 by Jim math In a parallelogram in which angle A = 135 degree determine the measure of angle A and B Wednesday, October 19, 2016 by sehaj Math The (average) sale price for single family property in Seattle and Port Townsend is tabulated below: YEAR SEATTLE PORT TOWNSEND 1970$38,000 $8400 1990$175,000 $168,400 When will the Seattle sales price be double the Port Townsend sales price Idk how to start this lol Wednesday, October 19, 2016 by Tevin math (?)+19+7=33 Wednesday, October 19, 2016 by saagar Help Math A division of a corporation manufactures bicycle pumps. Each pump sells for$9, and the variable cost of producing each unit is 40% of the selling price. The monthly fixed costs incurred by the division are $50,000. What is the break-even point for the division? a) break-even ... Wednesday, October 19, 2016 by Robbi Math Help The demand equation for a certain brand of GPS Navigator is x + 3p - 565 = 0, where x is the quantity demanded per week and p is the wholesale unit price in dollars. The supply equation is x - 16p + 480 = 0, where x is the quantity the supplier will make available in the ... Wednesday, October 19, 2016 by Robbi Math What is the expression of Aisha has four more than three times as many candies as rachell. Wednesday, October 19, 2016 by Ana math A soccer match was attended by 450 spectators. One third of them were men, two fifth of them were women and one tenth of them were boys. How many girls attended the soccer match? Wednesday, October 19, 2016 by Nathan Math Nata spent$28 on 2 DVDs. At this rate,how much would 5 DVDs cost ?
Wednesday, October 19, 2016 by Anonymous