Monday
December 5, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

math- Trigonometry
If cos degree equals to 0.8641 What is Sin degree? I have no idea how to find this. Please help me. Thank you
Friday, November 4, 2016 by Simran

Math
a recipe for 2 dozen cookies calls for 1 1/3 cups of flour.how much for would be needed to make five dozen cookies?
Friday, November 4, 2016 by Rachel

Math
Write a divison equation that has a solution of -20
Friday, November 4, 2016 by Em

Math
A TV that usually sells for $172.36 is on sale for 25% off. If sales tax on the TV is 9%, what is the price of the TV, including tax?
Friday, November 4, 2016 by Nicole

math
A person that is 1.6 m tall casts a 4 m shadow. At the same time, a nearby tree casts a 12 m shadow. What is the height of the tree to the nearest tenth of a metre?
Friday, November 4, 2016 by tanya

Math
Kaylin recorded how much she grew in inches each month for four months and recorded the results as:0.75,0.3215,3/8,9/16. list the inches she grew each month in order from least to greatest
Friday, November 4, 2016 by D&B NATION4L

Tricky Math Question
What is 0^0 equals to? a.1 b.0 c.undefine
Friday, November 4, 2016 by Doyll

math
Pupils contributed some money to help needy people. They bought twenty four 2-kg packets of ?our, thirty six 1-kg packets of ?our and a ?fty kilogram bag of sugar. The ?our was packed in 500g packets and the sugar in 250 g packets. How many people got both a packet of ?our and...
Friday, November 4, 2016 by kgk

Math
Four students work to find an estimate for square root 27. Who is closest to finding the true estimate? (1 point) Chelsey: "Use square root 16 and square root 25 to estimate." Carley: "I use square root 25 and square root 36." Jamie: "It should be ...
Friday, November 4, 2016 by Philisnotonfire

Math
Ram wants to cover the floor of a room 5meter wide & 8meter long by squared tiles. If each square tile is of side 0.5 meter, then find the number of tiles required to cover the floor of the room.
Friday, November 4, 2016 by Megha

math
what is the value of x in 16 to the power of 2 = x -256 256 -4 4 i think 4 or -4
Friday, November 4, 2016 by YunoGasai

Math
A shopkeeper buys a table at ?300 and sells it for Rs.375.Find his loss or gain percentage.
Friday, November 4, 2016 by Jack

Math
Davis High School Multi-Step The heights of the starting players for the and 69 in. Find the team are 78 in., 74 in., 71 in., 7o in., Boys basketball average height of the starting players.
Friday, November 4, 2016 by Anonymous

Math
800 by 11.5%
Friday, November 4, 2016 by Dono

Math
The sum of a number and 10 is -10
Friday, November 4, 2016 by Cynthia

Math
A fence around a square garden is madr up 4 equal-sized pieces that are each 5 1/2 feet long. Matt decided to make the sides 2 1/2 times longer. How much fencing does he need in all?
Friday, November 4, 2016 by Anthony

Math
Pedro spent 2 1/5 hours on his math himework and half as lomg on his science homework one weekend. If his english and social studies homework took 7/8 as long, how much time did he spent on homework that weekend?
Friday, November 4, 2016 by Anthony

Math
Anne, Ryan and Joel collect empty cans. They collect a total of 1925 cans. Anne collects half as many as Ryan. Joel collects twice as many cans as Ryan. How many cans does Joel collect? Use bar model to solve.
Friday, November 4, 2016 by Mike

math
if i plow at 7km/hr and my plow is 1800mm how long will it take to plow one ha
Friday, November 4, 2016 by hennie

math
two similar hexagons have corresponding sides of 2cm and 5cm
Friday, November 4, 2016 by femi

math
A piece of land in the shape of a trapezium is drawn on a map using the scale 1:500. The parallel sides are 5 cm and 2 cm, while the perpendicular distance between parallel sides is 4 cm. what is the actual area of the plot in square meter?
Friday, November 4, 2016 by kgk

Math
Josh sold his bike for 10% less than he paid for it. IF he sold the bike for 585 how much did he pay for it?
Friday, November 4, 2016 by Ann

Math
The radius of a neon atom is 3.1×10(exponent -11) meters. The radius of a silver atom is 1.65×10(exponent -10) meters. What is the diffrence in the raddi of the two atoms? A.0.000000000134m B.0.0000000005115m C.0.000000000196m D.0.0134m
Friday, November 4, 2016 by Gissele Alvarez

Math
A belt fits tightly around two pulleys of radii 4 cm and 6 cm respectively and the distance between their centers is 20 cm. Find the length of the belt. I know the answer is 71.62cm from the answer key but I need to know the process to get there. The picture of the question ...
Friday, November 4, 2016 by Wilmer

Math
A printer takes 5mins to print 90 copies of a repor. At this rate, how many copies of the same report can it print in 1/2 hours
Thursday, November 3, 2016 by Aj

Math
You have a $250,000 mortgage. The 30- year fixed rate is 8.5%. You have had your house for ten years. You have 20 years remaining on your mortgage. The new 15-year mortgage rate is 5.5%. 1) What is your mortgage payment, principal and interest on your current mortgage? 2) What...
Thursday, November 3, 2016 by kate

Math
Alicia's weekly allowance is $10 and Manchiny's weekly allowance is $8. Every week they each spend $3 on lunch. Write a numerical expression to show how many weeks it will take them together to save enough money to buy a video game for $60.
Thursday, November 3, 2016 by Tomeisha

Math
Sandra has 16 red roses and 40 white roses. she wants to make arrangements of flowers with the same number of red roses and the same number of white roses in each arrangement. What is the greatest number of arrangements Sandra can make?
Thursday, November 3, 2016 by amy

Finite math
Let S={1,2,3} be a sample space How many subsets of S contain the number 3? How many subsets of S contain either the number 2 or 3?
Thursday, November 3, 2016 by Daisy

math
Write each equation in slope-intercept form. Underline the slope and circle the y-intercept in each equation. 4y=–6+4x all i got is that the y int. is -3/2 and that is correct
Thursday, November 3, 2016 by ali

math
Give the equation of a line that is parallel to y=3 through the point (4,4).
Thursday, November 3, 2016 by ali

Math
If 4<x<7, what is the range of 2x+3 ? A) 5<x<11 B)7<x<10 C)8<x<14 D)11<x<17
Thursday, November 3, 2016 by Aria

Math
Paul runs a speed of 9 miles per hour. How many miles per second is his speed?
Thursday, November 3, 2016 by Timothy

Math
A baker bought some flour. He used to 2/5 of the flour to make bread and used the rest to make batches of muffins. If he used 16 pounds of flour making bread and 2/3 pound for each batch of muffins how many batches of muffins did he make
Thursday, November 3, 2016 by Missy

Math
Place grouping symbols to make the equation true: 3x5-8+7-3/6=13
Thursday, November 3, 2016 by Brian

Math
You have a $200,000 mortgage. You have had the house for one year. The rate is 7.5% fixed for 30 years. Rates have come down and you are thinking of refinancing at the new rate of 6%. 1) What is your mortgage payment and interest on your current mortgage? 2) What would your ...
Thursday, November 3, 2016 by Kate

Please help w/Math
A survey of the opinions of 12 leading Economists in a certain country showed that, because oil prices were expected to drop in that country over the next 12 months, 10 had lowered their estimate of the consumer inflation rate, 10 had raised their estimate of the gross ...
Thursday, November 3, 2016 by Bobbie

Math
The cost of a pizza is $10.50 for no toppings, $12 with 1 topping, $13.50 with 2 toppings, $15 with 3 toppings, etc. what is a recursive formula that represents the cost of a pizza with n toppings?
Thursday, November 3, 2016 by Bryce

Math
A teacher has 360 pieces of candy. if there are 44 students,6 whom are boys, if discussed evenly, how many pieces of candy will each student get?
Thursday, November 3, 2016 by Vucotria

Math
A 73?-ton monolith is transported on a causeway that is 2500 feet long and has a slope of about 2.2°. How much force parallel to the incline would be required to hold the monolith on this? causeway?
Thursday, November 3, 2016 by Lucy

MATH
If m angle CBD=54 what is the measure of angle ACB?
Thursday, November 3, 2016 by MARDY

Math-PreCalc
Find the sum u+v. |u|=47, |v|=30, ?=90° The magnitude of the resultant vector is _____.(Round to the nearest tenth). Find the angle that the resultant makes with u. The angle is ____°. (Round to the nearest degree).
Thursday, November 3, 2016 by Billy

math 7th grade
if a map scale distance is 2cm:15km, what is the actual distance of a map scale that is 6cm? Do I set this problem up like this: 2cm/15km=?/6km and then cross multiply?
Thursday, November 3, 2016 by kimmie

2nd grade math
Please help. I'm confused here's an example: 38+45=? Show how to make one added the next tens number?
Thursday, November 3, 2016 by Math

Math
Pupils contributed some money to help needy people. They bought twenty four 2-kg packets of flour, thirty six 1-kg packets of flour and fifty kilogram bag of sugar. The flour was packed in 500 g packets and the sugar in 250 g packets. Hominy people got both a packet of flour ...
Thursday, November 3, 2016 by Kgk

Math
Samuel and Daniel shares some oranges in the ratio 4:5 respectively. Daniel received 3 more oranges than Samuel. How many oranges did Samuel get?
Thursday, November 3, 2016 by Kgk

Math
math test help!!! 1. There are 3 red paper clips, 5 yellow paper clips, and 6 silver paper clips in a jar. What is the ratio of the total number of paper clips to the number of red paper clips? I think 14:3 2. which of the ratios is equivalent to 12/20? I think 120:200 3. an ...
Thursday, November 3, 2016 by Rakashi

Math
Solve this equation for x. ab+c/xy = 3d/4 How do you solve this? Please help.
Thursday, November 3, 2016 by Lynn

Math
( 7.5x10^11 ) - ( 4.3x10^8 )
Thursday, November 3, 2016 by Anonymous

Math
With this given equation: h=-1/144x^2, how wide is the base if this bridge?
Thursday, November 3, 2016 by Katie

Math
There is a graph of a function that looks like y = x^4 , but it has a vertical asymptote at x = -2 and x = 4. The question then asks us to arrange the following numbers in decreasing order: g'(1), g'(-2), g'(0), g'(2), g'(4) I figured out all of the slopes...
Thursday, November 3, 2016 by Dave

Math
Is the step function differentiable in its domain? I answered it and said that the step function is not differentiable in its domain because it is not continuous. For the a function to be differentiable it would need to have a value and a limit. However, the step function has ...
Thursday, November 3, 2016 by Dave

Math
Ralph brought his car to the mechanic to be repaired. The total bill including parts and labor was $445. The parts cost $120. He also paid d dollars per hour for 5 hours of labor. Which equation can be used to find the number of dollars, d, he paid per hour for labor?
Thursday, November 3, 2016 by Keyla

math
Sketch the given region R and then find its area. R is the region bounded by the curve y=1/x^2 and the lines y=x and y=x/8
Thursday, November 3, 2016 by Anna Kirakosyan

Math
Joleen earns $250 plus a commission of 3% of her sales each week. This week she wants to earn $460. How much in sales does she need to meet her goal?
Thursday, November 3, 2016 by Marina

math
A car travelled 268 km every 4.5 hours.At this rate,how long would it take to travel 380 km.
Thursday, November 3, 2016 by jamaica

Math
|-3| , -3 what is the difference between the two
Thursday, November 3, 2016 by Anonymous

Math
Can someone please help me tell the difference between |-3| and -3
Thursday, November 3, 2016 by Lilly

Math HELP!!
Gina uses a magnifying glass to look at bugs. A caterpillar that is 2 inches long appears 4.5 inches long through the glass. What is the scale factor? (1 point) 2.25 ** 0.4 9 2.5
Thursday, November 3, 2016 by lily stoner

Math: THIS IS SOOOOO HARD!!!!!!!!!!
Convert the map scale to a unit rate. How many inches represent one mile? Show your work. Interpret the meaning of the unit rate. 3/10 in. = 7/8 mi. I Cant Figure This Out!!!! HELP!!!
Thursday, November 3, 2016 by Agal

math
Calculate lim?(n??)??(?((n^2+n))?-n) justify your answer.
Thursday, November 3, 2016 by k

math
If lim?(n??)??(x_n-x)/(x_n+x)?=0, prove that lim?(n??)??x_n ?=x.
Thursday, November 3, 2016 by k

Math
Vector u has a magnitude of 5 units, and vector v has a magnitude of 4 units. Which of these values are possible for the magnitude of u + v? There is more than one answer... 1 9 11 13
Thursday, November 3, 2016 by Joe

Math
Mrs. Miller is planning a vacation overseas. She knows that fuel is sold in liters in other countries. She wants to become familiar with this measure of volume. Mrs. Miller just purchased 14 gallons of fuel for her car. About how many liters is this?
Thursday, November 3, 2016 by Anonymous

math
A function is graphed on the coordinate plane. What is the value of the function when x = ?4? Question 4 options: -4 0 4 5
Thursday, November 3, 2016 by Jay

Math
If you had 73 and you divided it by 5 what is your answer?? Answer:14.6
Thursday, November 3, 2016 by Maddie

Math
What is the value g(-3) when g(x) = 2x + 1? a.) 7 b.) -5 c.) 5 d.) -6
Thursday, November 3, 2016 by Jay

math
Find the largest and smallest values of the given function over the prescribed closed, bounded interval. F(x)=e^{x^2-2x} for 0<x<2(It,s bounded interval)
Thursday, November 3, 2016 by Anna Kirakosyan

math
An investor estimates that next year’s sales for New World Products should amount to about $75 million. The company has 2.5 million shares outstanding, gener- ates a net profit margin of about 5% , and has a payout ratio of 50% . All figures are expected to hold for next ...
Thursday, November 3, 2016 by angela

Math
Jenna reads 15 minutes more pn thursday than tuesday. She read 36 minutes on tuesday. How many minutes did she read on thursday
Thursday, November 3, 2016 by Tijuana

math 2
Prove that (cos40-sin30)/(sin30-cos50)=tan50
Thursday, November 3, 2016 by someone

math
Given that [sin(A-B)/cos(A+B)]=1/3[tan(A-B)], find the values of cosB if sinA=1/2
Thursday, November 3, 2016 by Alex

math
A spring is stretched 5 inches abobe its rest position. Itis then released and oscillates in damped harmontic motin with a frequency of 2cycles per second. After 7 seconds you measure the amplitude of the spring to be 1.5cm. 1.Find th damping constant C. 2.Find an equation ...
Thursday, November 3, 2016 by zzz

math
A number cube is rolled, and a coin is tossed. What is the probability that a four is rolled and the coins comes up tails? A. 1/3 B. 1/4 C. 1/6 D. 1/12
Thursday, November 3, 2016 by trinity

Math
Your living room is 20 feet long by 12 feet wide. How long will the living room measure if you create a scale drawing where 1/2 inch = 4 feet?
Thursday, November 3, 2016 by Gabby

math
ty uses 20ft of fencing to make a rectangular garden.he devides the rectangle into 4 equal squares all in 1 row.the side of each row is 2ft long.what is the area of the garden? i dont know how show representations,or write an equation for this problem please help me, Matt 47 ...
Wednesday, November 2, 2016 by micah

math
in a class of 50 pupils 24likes oranges 23 likes apple and 7 like the two fruits .How many do not like oranges and apples.What is the percentage of the class who likes apple only
Wednesday, November 2, 2016 by feranmi

math
YikesMcTugg biught 1/2 pound of potato salad.He ate 2/3 of it forma lunch. How muchos potato salad was left for an afternoon snak
Wednesday, November 2, 2016 by valeria

Math
Find the integral of (sin x)^4 times cos x with limits 0 to pie/2
Wednesday, November 2, 2016 by Aladdyn

Math Help
Data released by the Department of Education regarding the rate (percentage) of ninth-grade students that don't graduate showed that out of 50 states, ? 16 states had an increase in the dropout rate during the past 2 years. ?18 states had a dropout rate of at least 30% ...
Wednesday, November 2, 2016 by Kal Jay

math
A car was purchased for $3,495 and will depreciate 20% of the original price each year. Find a linear function for the value of the car at time t in years. Define variables clearly. Graph the function you found in part A. A claim is made that the car will not be worth anything...
Wednesday, November 2, 2016 by arik

Math
Two forces F1 and F2 act on a particle. F1 has magnitude 5N and in direction 30 degrees and F2 has magnitude 8N and in direction 90 degrees. Find the magnitude and direction of resultant.
Wednesday, November 2, 2016 by Aladdyn

math
Solve equations: 2x=3x
Wednesday, November 2, 2016 by Dian

math
Four students work to find an estimate for square root 37. Who is closest to finding the true estimate? (1 point) Rhonda: "Use square root 16 and square root 25 to estimate." Ricardo: it should be between square root 25 and square root 36." Riley: "i use ...
Wednesday, November 2, 2016 by lily

Math
7/3 divided by 5/6
Wednesday, November 2, 2016 by Amy

math
Four students work to find an estimate for square root 54. Who is closest to finding the true estimate? (1 point) Rhonda: "Use square root 16 and square root 25 to estimate." Ricardo: "I use square root 25 and square root 36." Riley: "It should be ...
Wednesday, November 2, 2016 by lily

math
A man owned 75 shares of stock worth $50 each. The corporation declared a dividend of 8%, payable stock. how many shares did he then own?
Wednesday, November 2, 2016 by chris

Math
A new custodiam Cleaned 1/7 of a classroom in ten minutes this was only 8/9 of what an experienced custodian could do what part of the room could an experienced custodian clean in ten minutes?
Wednesday, November 2, 2016 by Jenny

Math
Marty wants to make a dog run in his backyard using the end of the garage as one side of the run if he has 113 1/3 Feet of fencing and the garage is 19 2/3 feet wide how long will the run be?
Wednesday, November 2, 2016 by Jenny

Math
Consider sequence Uvn=2x^2. Find (?u)vn and write u as an accumalation sequence
Wednesday, November 2, 2016 by Sarah

Math
suppose a= {4,6,9,2,-3,-10} then (?x)v5=-5 how do you get that
Wednesday, November 2, 2016 by Maggie

Math
For what real values of 2x^2+ax+25 the square of a binomial? If you find more than one, then list the values separated by commas.
Wednesday, November 2, 2016 by Eleanor

math
At a supermarket, pineapple juice sells at $1 per pint (16 oz). Greg wants to buy eighteen 40 oz cans of pineapple juice from the supermarket. How much does he have to pay altogether.
Wednesday, November 2, 2016 by teresa

Math
Make a riddle for the number 68
Wednesday, November 2, 2016 by Yoobi

MATH
13. write the ratio as a fraction in simplest form. 30:48 A.1/6 B.5/8 C.30/48 D.8/5 14. Write the ratio as a fraction in simplest form. 38 to 20 A. 38/20 B.1/9 C.19/10 D.10/19 15. write the ratio as a fraction in simplest form. 6 out of 9 A.1/3 B.3/2 C.2/3 D.3 My answers 13.B ...
Wednesday, November 2, 2016 by Urgent

Math
In a sponsored walk for charity, 560 students participated. Of these, 0.72% completed the 15-km walk. How many students completed the walk?
Wednesday, November 2, 2016 by Alyssa

Math please explain how to do this
Please explain how to work the formula for the following. Quarter Warehouse and Transportation Expense 1/2009 $12,500 2 11,300 3 11,600 4 13,700 1/2010 12,900 2 12,100 3 11,700 4 14,000 1/2011 13,300 2 12,300 3 12,100 4 14,600 The results of a simple regression analysis using ...
Wednesday, November 2, 2016 by Patte

Math HELP!!
Chuck needs to cut a piece of cardboard for an art project at school. He has four pieces of cardboard that he can cut from: 6 inches, 5 inches, 7 inches, and 3 inches. If the length of the cardboard he needs is ?35 inches, which piece of cardboard should he cut to create the ...
Wednesday, November 2, 2016 by lily

Math
Samuel measured three ropes as 3 63/80 feet, 3 1/5 feet and 3 11/20 feet. put the measurements of the ropes in order from least to greatest.
Wednesday, November 2, 2016 by D&B NATION4L

Math
find the length of the segment. write the mixed number in simplest form.[i don't have the picture]
Wednesday, November 2, 2016 by D&B NATION4L

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