Thursday
December 8, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

Math
A trapezoid has parallel sides 13 and 21 cm long. The longer of the two nonparallel sides is 17 cm and the shorter is perpendicular to a parallel side. What is the area of the trapezoid?
Monday, October 24, 2016 by Gems

Math- Please check my answer
Mali-li has 6 1/3 yd of material. Her new skirt will take 2 1/3 yd. How much material will she have left after the skirt is made? My answer:4 Am I wrong? If I am, can you explain it to me please? Thank you in advance.
Monday, October 24, 2016 by Myah

Math
In triangle ABC, measure of angle A is equal to 30 degrees, AC is equal to 4 and AB is equal to 3 square root of 3. Find BC
Monday, October 24, 2016 by Precious

math 115
A city of population 2.0 million is expected to experience a 15% decrease in population every 10 years. a. What is the 10-year decay factor? What is the yearly decay factor? The yearly decay rate? b. Use part (a) to create an exponential population model g(t) that gives the ...
Monday, October 24, 2016 by Brita

math
If A=(1.4.7.9) and B=(4,5,6,7,8) Find: n(A)=
Monday, October 24, 2016 by Anonymous

math
Give reason 8454 is divisible by 6
Monday, October 24, 2016 by Lulu

Math
There are 4 people in the playground. How many ways can 3 people be selected to play?
Monday, October 24, 2016 by Anonymous

Math
Can someone write an irrational number? Just any one.
Monday, October 24, 2016 by Brooke

Math
What is the last digit of the number 4^2006
Monday, October 24, 2016 by Anonymous

Math
When 1 is subtracted from 5 times a number and a result is divided by 3 more than twice the number we get 4/5.find the number.
Monday, October 24, 2016 by Nitin

applied business math
Thomas Rendell's company pays him a straight 7% commission with a $1,570 drawing account each month. If his sales last month totaled $142,280, how much commission is owed to Thomas?
Monday, October 24, 2016 by wanda

MATH
if (3-x)=6, (7-5x) are consecutive terms of GP with common ratio r>0, fing d value of (x) and d common ratio. thanks
Monday, October 24, 2016 by blake

Math
The side of a square is 15 cm. Calculate the length of its diagonal. (1dp)
Monday, October 24, 2016 by Anonymous

Math
What is the weight of one half of two fifth of a bag of sand? The bag of sand weighs 60 pounds.
Monday, October 24, 2016 by Bonnie

math
Two angle of a quadrilateral is 90 degree and 100 degree. the remaining two angles are equal. calculate the size of each remaining angle.
Sunday, October 23, 2016 by Rofhiwa

Pure Math
Find the complex number u=x+yi where x,y € I, such that u^2=-5+12i. HELPPPPPPP!
Sunday, October 23, 2016 by Kai

math
You are 18 now. You want to have one million dollars when you are 45. How much do you need to save each month, at 10 percent to have your million dollars at age 45?
Sunday, October 23, 2016 by Katey

Math
The weights of divya and himanshu are in the ratio of 5:7. If himanshu weights 28 kg , find the weight of divya
Sunday, October 23, 2016 by Rupa

Math
A typist types 70 pages in 3 hours 30 minutes how long will she take to type 300 pages
Sunday, October 23, 2016 by Rupa

Math
How do you write 1.42 * 10to the fifth power in standard form?
Sunday, October 23, 2016 by Live

math
what property of rational numbers justify the statement2/3+0=2/3
Sunday, October 23, 2016 by marjorie hernandez

math
Estimate the distance the bus travels in 2 3/4 hours at 60 mph.
Sunday, October 23, 2016 by alee

Math
In a 5 km race, Anna swims 450 m, then runs 800 m. She then cycles the rest of the race. How many kilometres does she cycle?
Sunday, October 23, 2016 by Winston

Math
Three blocks, each 15 cm thick, are stacked on top of a 1.2 m box. How many metres high is the stack?
Sunday, October 23, 2016 by Winston

Math
The daily temperature is decreasing at a rate of 2 degrees Fahrenheit T represent the daily high temperature now right then expression for the high temperature in five days the current at high temperatures need to address for hi-fi high temperature in five days check into you ...
Sunday, October 23, 2016 by John

Math
Gary walked 1 1/2 km to school, then 750 m to his job, then 1 km home. How many kilometres did he walk altogether?
Sunday, October 23, 2016 by Winston

Math
A shirt button gas a mass of 400 mg. A factory produces a tonne of these buttons in a year. How many buttons does it produce.
Sunday, October 23, 2016 by Winston

Math
Pat cuts a 40 cm length off a 3 m ribbon. How many centimetres of ribbon remain?
Sunday, October 23, 2016 by Winston

Math
How would you describe your understanding of rational numbers? (Select all that apply)
Sunday, October 23, 2016 by Taylor

Math
Explain why an account balance less than-40 dollars represent a debt greater than 40 dollars
Sunday, October 23, 2016 by Keke

Math
Use the digits of your birthday as the amount of your initial investment (i.e., 6/25 is $625), calculate the value of this investment after 10 years at 3.5% APR for interest compounded yearly, quarterly, monthly, and daily. What do you notice?
Sunday, October 23, 2016 by Abe

Frequency-Math
The table below shows the scores of a group of students on a 10-point quiz. Test Score Frequency 3 0 4 2 5 2 6 1 7 2 8 3 9 0 10 4 The mean score on this test is: The median score on this test is
Sunday, October 23, 2016 by LEE

math
A 5.35 kg steel block is spun around a motor at 36.5 rpm. The angular acceleration of the block is -2.14 rads/s^2 and it takes 1.79 s for the block to come to a complete stop. What is the angular displacement while the block slows to a stop?
Sunday, October 23, 2016 by charlie

advanced math
A ladder is placed 4 ft from the side of a building. The top of the ladder must be 13 ft off the ground. What is the shortest ladder that will do the job? 4^2 + 13^2 = x^2 16+169=185^ =34,225
Sunday, October 23, 2016 by K

Math
In a basketball game, Albert made 11 out of 15 free throws and Jake made 10 out of 13 free throws. Who had the greater ratio of free throws attempted? Explain your reasoning.
Sunday, October 23, 2016 by Sarah

Math
A farmer has only pigs and chickens. When she stands on her porch and surveys her stock, she sees 22 heads and 52 legs. How many chickens does she have and how many pigs?
Sunday, October 23, 2016 by Anonymous

Math
Substituting the four numbers 1, 9, 8 and 3, for the four letters in the addition problems (different number for different letters) BAD + MAD + DAM. Find the largest sum!
Sunday, October 23, 2016 by rom

Math
What is the last digit of the number 4^2006
Sunday, October 23, 2016 by Anonymous

math
Andi has shopping 48 orange and 45 apples, he wishes to divide it equally into bags. How many possible ways he can do this (he can have 6 bags of 8 fruits)
Sunday, October 23, 2016 by cintia

Math
How many vertices are in a polyhedron if there are 7faces 1 hexagon and 6 triangles
Sunday, October 23, 2016 by Tash

Math
an industry representative claims that 30 percent of all satellite dish owners subscribe to at least one premium movie channels. in an attempt to justify this claim, the representarive's claim is true, and suppose that a sample of six dish owners is randomly selected. ...
Sunday, October 23, 2016 by Emma

math
If each small square on a grand chess board is 2 cm by 2 cm, each diagonal of the whole board measures 800 cm. How many small squares are on the board?
Sunday, October 23, 2016 by Anonymous

Math
A submarine at -28 feet dives 40 feet. What is the submarine's elevation after the dive?
Sunday, October 23, 2016 by Matthew

Math limits
lim as x --> infinity ( 4x + (3 / x^2) ) My work: (4x^3 / x^2) + (3 / x^2) (4x^3 + 3) / x^2 degree of top > degree of bottom No horizontal asymptote, so the limit does not exist The correct answer is infinity. How?
Sunday, October 23, 2016 by Paige

EASY MATH
WHAT IS 20x20+13-100x2 and What is the value of y in yx2=12?
Sunday, October 23, 2016 by Anonymous kid (no name pl

math
52/4 - 4 /5/9=
Sunday, October 23, 2016 by connie

5th grade math
a sticker costs 15 cents, and a packet of similiar stickers cost $1. clement buys 37 stickers. what is the least amount of money that clement spends on the stickers
Sunday, October 23, 2016 by Anonymous

math
A certain number was increased 5 times, then decreased by 3, then halved. The result was 0.3 less than the original number. What was the original number?
Sunday, October 23, 2016 by tom

Math
Estimate f(5.9) given that f(6)=5 and f′(6)=3.
Sunday, October 23, 2016 by Ashley

Math
Express the given sums using sigma notation. 1/2+1/2×3+1/3×4+...1/99&time​s;100?
Sunday, October 23, 2016 by Girma

math
John was jogging at a rate of 5mph and he has a one half mile start on Sue who jogs at 7 mph. In how many minutes will it take before they meet?
Sunday, October 23, 2016 by Donna

math calculus
A poster is to contain 300 (cm square) of printed matter with margins 10cm at the top and bottom and 5cm at each side. Find the overall dimensions if the total area of the poster is minimum.
Sunday, October 23, 2016 by Aquino,Vanessa Mae

EASY MATH FOR 4TH GRADE
HOW DO YOU MULTIPLY 3,333 and 5?
Sunday, October 23, 2016 by Anonymous kid (no name pl

math please
Before electricity, nights in towns and fields were often times pitch black, except when there was a full moon. How many times brighter is the noonday sun than the full moon when the moon is at the closest point to the earth? Model the moon as a sphere of radius 1,000 miles (1...
Sunday, October 23, 2016 by Dip

math
Please help. given the units for four of the six variables, what must be the units of z and y? a=m t=s/K h=N^4 x=m z^a=xh cos(yt)
Sunday, October 23, 2016 by lexy

Math Homework
The Men's 400 meter race 5th finisher LESLIE DJHONE from France 45.11/ The Women't 400 meter race 5th place finisher was ANASTASIA KAPACHINSKAYA from Russia 50.03. If both of those 5th finishers had completed in the semifinals of the 2013 World Championships with ...
Sunday, October 23, 2016 by Anonymous

math
 An art class is making a mural for their school which has a triangle drawn in the middle. The length of the bottom of the triangle is x. Another side is 10 more than four times the length of the bottom of the triangle. The last side is 3 more than the bottom of the ...
Sunday, October 23, 2016 by Anonymous

math
Integration: integral (sin2x / rad (1+cos^2 x) ) dx=? integral (x / (x^2 -1)(ln (x^2 -1)) ) dx=?
Sunday, October 23, 2016 by fab.

Math
Two riders, A and B leave the starting line at the same time. A takes 12 minutes to complete one lap and the B takes 18 minutes. How long in minutes after they will it take for them to meet again at the starting line?
Sunday, October 23, 2016 by Anonymous

math
Gordon swims 4 metres for every 1 metre Maria swim. By how far in metres will Gordon beat Maria if the race is 50 metres?
Sunday, October 23, 2016 by Anonymous

Math
A bus leaves Town A on Saturday night and is supposed to arrive at Town B at 08:17 am on Sunday morning. If the estimated journey time is 10 hours 43 minute, at what time on Saturday should the bus leave Town A?
Sunday, October 23, 2016 by Lin

math
Write 360 as powers of its prime factors
Sunday, October 23, 2016 by Anonymous

math
write in index form 3/8 x 3/8 x 3/8
Sunday, October 23, 2016 by Anonymous

math
list the set of: counting numbers from 20 to 30
Sunday, October 23, 2016 by Anonymous

MATH
A farmer wants to fence a small rectangular yard next to a barn. Fence for side parallel to the barn will cost 50 per foot and the fence for the other two sides will cost20 per foot. The farmer has a total of 2000 dollars to spend on the project. Find the dimensions for the ...
Sunday, October 23, 2016 by LAY

math
1 1/2(n-4 1/2)=12 Solving equations involving the distributing property
Saturday, October 22, 2016 by Wossum

math
4. Thomas is at a store buying school clothes. T-shirts are on sale for $13 each and jeans are on sale for $18 each. a) Write an equation that represents the total cost for x T-shirts and y pairs of jeans. I need help with a.. b) Thomas bought six T-shirts and his total bill ...
Saturday, October 22, 2016 by Sasha

Math
2(p-2 1/3)= 12
Saturday, October 22, 2016 by Wossum

math (horizontal tangent line)
Determine the point(s) if any at which the graph of the function has a horizontal tangent line. y=x^3+x I graphed this function out and it looks like there isn't any horizontal tangents. Am I correct or am I forgeting something? I tried finding the derivitave of the ...
Saturday, October 22, 2016 by Ray

PLEASE HELP Math
As a fringe benefit for the past 8 years, Colin's employer has contributed $50 at the end of each month into an employee retirement account for Colin that pays interest at the rate of 8%/year compounded monthly. Colin has also contributed $2,000 at the end of each of the ...
Saturday, October 22, 2016 by Tammie

Present Value Math
Find the present value of an ordinary annuity of $500 payments each made quarterly over 6 years and earning interest at 8% per year compounded quarterly. ​ $9,456.96 $2,311.44 $24,968.07 $5,264.38 Thank you
Saturday, October 22, 2016 by Kal Jay

Math
2.6(m+1.9)=6.5 Solving equations involving distributing property
Saturday, October 22, 2016 by Wossum

Math (Calculus)
Determine if each of the following functions is in Big-O, is Big-Omega and is Big-Theta of x: (Could be multiple) a) f(x)=10 b) f(x)=3x+7 C) f(x)=x^2+x+1 d) f(x)=5log(x) e) f(x)=|x| f) f(x)=x/2 I'm in calc 1 and I have no idea what's it even asking me. Help? Thanks in ...
Saturday, October 22, 2016 by Ray

Math
12(p-2 1/3)=-8
Saturday, October 22, 2016 by Wossum

Math Homework
The following frequency table contains the total number of deaths worldwide as a result of earthquakes from 2000 to 2012. Year Deaths 2000 231 2001 21,357 2002 11,685 2003 33,819 2004 228,802 2005 88,003 2006 6,605 2007 712 2008 88,011 2009 1,790 2010 320,120 2011 21,853 2012 ...
Saturday, October 22, 2016 by Chris

Math 7 grade
The photographer wants to display her photograph in her studio A wall in her studio is 10 ft wide .She wants each picture to be 3 feet apart .If she displays photographs that are 4"wide by 6" high . How many photographs can she display side by side on her wall
Saturday, October 22, 2016 by Anna

Math
Pierce Publishing sells encyclopedias under two payment plans: cash or installment. Under the installment plan, the customer pays $23/month over 2 yr with interest charged on the balance at a rate of 15%/year compounded monthly. Find the cash price for a set of encyclopedias ...
Saturday, October 22, 2016 by Kal Jay

Math
A car rental agency charges ​$35 per day to rent a car and ​$14.95 per day for a global positioning system​ (GPS). Customers are charged for their full tank of gas at ​$3.40 per gallon. A car has a 19 gallon tank and a GPS. a) Write a function rule for ...
Saturday, October 22, 2016 by Steve

math
A line has a slope of -6 that passes through the point (-12,5). What is the equation of the line? a. 6x + y = -77 <-- or C? b. 6x + y = -67 c.-6x + y = 77 d.-6x + y = 17
Saturday, October 22, 2016 by Sasha

Math
Suppose you want to fence in a field, and then subdivide it into three equal parts. You have 2400 yards of fencing material to use. What should be the dimensions of one of the three smaller fields, if you want to fence in the maximum area?
Saturday, October 22, 2016 by sdf

Math
A car rental agency charges ​$35 per day to rent a car and ​$14.95 per day for a global positioning system​ (GPS). Customers are charged for their full tank of gas at ​$3.40 per gallon. A car has a 19 gallon tank and a GPS. a) Write a function rule for ...
Saturday, October 22, 2016 by Steve

math
The value of a car decreases at a constant rate. After 1 year the value of the car is $20,000. After 2 more yearsit is $14,000. Write an equation in slope-intercept that represents the value y (in dollars) of the car after x years. What is the y-intercept of the line? In this ...
Saturday, October 22, 2016 by collin

MATH HELP PLEASE I HAVE NEVER BEEN MORE CONFUSED
The value of a car decreases at a constant rate. After 1 year the value of the car is $20,000. After 2 more yearsit is $14,000. Write an equation in slope-intercept that represents the value y (in dollars) of the car after x years.
Saturday, October 22, 2016 by sophia

math
The value of a car decreases at a constant rate as it grows older. When the car is 2 years old, it is worth $23,000. When the car is 5 years old it is worth $15,500. Write and equation relating y (value of the car $) to x (age of car).
Saturday, October 22, 2016 by sophia

Math
Find the accumulated amount A if the principal, P = $3700 is invested at the interest rate r = 7%/year for t = 12.5 years compounded semiannually. Round your answers to two decimal places. ​ a. The accumulated amount is $8544.01. b. The accumulated amount is $8592.56. c...
Saturday, October 22, 2016 by Jass

math
A model car travels horizontally after being released. The car travels a distaance d metres in a time of t seconds. d is directly proportional to t. The car travels 20 metres in a time of 2 seconds. A.Calculate the distance the car travels in 3 seconds.
Saturday, October 22, 2016 by Michelle

Math, Functionsons
What is the domain and range of the function f(x)=x^2-2? please teach me..!
Saturday, October 22, 2016 by Jiwon

Math
Write two that have given absolute value of 4,38,260,4092?
Saturday, October 22, 2016 by Amberly

Math
What is the distance between 86.25 to -17.75
Saturday, October 22, 2016 by alice

math
The value of a car decreases at a constant rate. After 1 year the value of the car is $20,000. After 2 more yearsit is $14,000. Write an equation in slope-intercept that represents the value y (in dollars) of the car after x years.
Saturday, October 22, 2016 by sophia

math
Fishing hook G is let down 2 1/2 times its present depth. where is fishing hook G now? FISHING HOOK G = -6 2/3
Saturday, October 22, 2016 by alice

math
Fishing hook E is dropped 2.5 times its present depth. where is fishing hook E now? NOTE: FISHING HOOK E is -7.1 is the answer -4.14 or -17.75
Saturday, October 22, 2016 by alice

Math, Functions
What is the Domain and Range of the function f(x)=2x+1 ? Please teach meeeee!
Saturday, October 22, 2016 by Jiwon

Math, Functions
If g(t)= 1/t-2-1, how to solve g(t)=0 ...? Please teach me..!
Saturday, October 22, 2016 by Chris

math
It takes 8 hours for one crew to clean an office building. It takes a second crew 10 hours to clean the same building. If the first crew works 2 hours and leaves and the second crew takes over to complete the job, how long will it take the second crew to finish cleaning the ...
Saturday, October 22, 2016 by Christos

Math
If there are 35 kids in a class and 22 are girls what is the ratio of girls to boys in the class
Saturday, October 22, 2016 by Nick

Math
A shopper keeper sold a total of 15 boxes of pencils on Monday and Tuesday. She still three more boxes on Monday then on Tuesday. There were 12 pencils in each box. How many pencils did she sell on Monday?
Saturday, October 22, 2016 by Gabriella

math
a gardner having 150 meters of fencing materials wishes to enclose a rectangular plot of land and also erect a fence across the land parallel to two of the sides.find the maximum area he can enclose
Saturday, October 22, 2016 by hemant

Math Physics Torque Equilibrium
A uniform meterstick pivoted at its center has a 100 g mass suspended at the 21.0 cm position. At what position should a 95.0 g mass be suspended to put the system in equilibrium? What mass would have to be suspended at the 80.0 cm position for the system to be in equilibrium?
Saturday, October 22, 2016 by Brandon

math
A bird beats it's wing 24 times per second. How many times will it beat it's wing in one hour
Saturday, October 22, 2016 by karen

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