Saturday
April 30, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

Math
A one-meter rod is suspended at its middle so that it balances. Suppose one-gram on the rod at the following distances from one end. 20cm 27cm 38cm 44cm 58cm 70cm 83cm 94cm Where must a one gram weight be hung so that the rod will balances at the 50 centimeter mark Where must ...
Sunday, April 3, 2016 by Kaleigh

Math
Matt tried to make 15 baskets in a game. He made 40% of the baskets he tried. How many baskets did he make?
Sunday, April 3, 2016 by Christina bellar

math
A box contained fruits such as apples, oranges and pears. 3/5 of the fruits were apples. 1/4 of the remaining fruits were oranges and the rest were pears. If there were 60 pears in the box, how many oranges were there?
Sunday, April 3, 2016 by Pat

math
The grass of a lawn grows slower the larger it gets. The length of the grass L is expressed in cm and the growth of the grass W in mm/day. If the grass is 2.7 cm tall at the end of day X, than it will be taller than 4cm 20 days later (assuming it will not be cut). this is a ...
Sunday, April 3, 2016 by jacob

Math
Dick just hired a new employee to work in your bakeshop. In one hour the employee burned 55 chocolate chip cookies. If this represented 15% of the day’s production, how many cookies did you plan on producing that day? I am getting the answer as 36666 cookies
Sunday, April 3, 2016 by Israa

MATH
If a rectangular prism is h=10 inches an W=2 inches would the length be 8 inches how do I find the length Same question for a Rectanguler prism with a h=8 inches w=2.5 inches would the length be 8 inches or 5 inches
Sunday, April 3, 2016 by meshel

Math
The school store opened on the first day of scroll with 56 notebook and 24 pencils. Within two days it sold all of these items. On the first day, twice as many notebooks were souls as pencils. On the second day for every 5 notebooks sold, 2 pencils were old. How many notebooks...
Saturday, April 2, 2016 by Manuel chua

math
What is the total amount in an account that has had $45 per month added into it for 30 years and grew with an annual interest rate of 8%?
Saturday, April 2, 2016 by Anonymous

Math
one sixth of a number is 9.
Saturday, April 2, 2016 by Anonymous

math
can you please check my work. The time in minutes that it took five students to complete the math test was 45, 27, 30, 25, and 48. What is the mean absolute deviation of the times? I did 25+27+30+45+48= 175 then I divided it by the 5 students. 175/5= 35 so now I did the ...
Saturday, April 2, 2016 by sara

Math
A one-meter rod is suspended at its middle so that it balances. Suppose one-gram on the rod at the following distances from one end. 20cm 27cm 38cm 44cm 58cm 70cm 83cm 94cm Where must a one gram weight be hung so that the rod will balances at the 50 centimeter mark Where must ...
Saturday, April 2, 2016 by Kaleigh

math
A store borrowed money to buy some furniture. The store paid back a total of $150,000 on a 6 month loan at 12%. Find the principal $150000 / (1+0.12*0.5) = $141509.43
Saturday, April 2, 2016 by coop

Math
The ratio of red candies to green candies in a bag is 4/5. Which ratio would form a proportional relationship with this ratio? A. 16/25 B. 20/35 C. 20/25**** D. 24/32
Saturday, April 2, 2016 by Eliana

Math
X is a normally distributed random variable with a mean of 8.00. If the probability that X is less than 9.54 is 0.67, then what is the standard deviation of X?
Saturday, April 2, 2016 by Elizabeth

math
If Energy equals MC squared what does light equal?
Saturday, April 2, 2016 by Samantha

MAth
To purchase two new copiers, a campus bookstore paid $1350 in interest on a 9% loan for 3 years. Find The principal $1350/(0.09)(3)=4500.00 for principal
Saturday, April 2, 2016 by Petra

Math
The slope of the line is? (1,2) and (-2,-1) Positive •• Negative Zero Undefined Just a disclaimer I did post this earlier but nobody helped me and if anybody read my other post it didn't make since so I'm sorry Check my answer
Saturday, April 2, 2016 by Tula

math
How much money would a man have to invest at the rate of 5% per year,to have $1470 at the end of the year??
Saturday, April 2, 2016 by Fahmida Farjana

Ms. Sue - 6th Grade Math-Connections Academy
This diagram is a scale drawing of a fountain. If the side length of one square is 2 feet, what is the area of the fountain? A stands for Area. A. A = 9 to the second power. B. A = 12 to the second power. C. A = 18 to the second power. D. A = 36 to the second power. Thanks.
Saturday, April 2, 2016 by Geek Girl

Math
A youth organization collected nickels and dimes for a charity drive. By the end of the​ 1-day drive, the youth had collected ​$57.75. If there were five times as many dimes as​ nickels, how many of each type of coin was​ collected?
Saturday, April 2, 2016 by Anonymous

Math
Two transparencies, both 8.5 inches by 11 inches, were folded and taped to make cylinders. Prove mathematically, that they have the same volumes
Saturday, April 2, 2016 by Natalie

Math
Peter's lawn is 4800 square feet in area, and he mowed 1200 square feet of it. What fraction of his lawn still needs to be mowed?
Saturday, April 2, 2016 by Selena

math
We consider the non-homogeneous problem {y''-16y} = {256x^{2}} First we consider the homogeneous problem {y''-16y} = 0 : 1) the auxiliary equation is a r^2+br+c = =0 . ________________ 2) The roots of the auxiliary equation are (enter answers as a comma ...
Saturday, April 2, 2016 by Leah

math
A parking lot charges a flat rate of x dollars for any amount of time up to two hours, and x 6 1 for each hour or fraction of an hour after the first two hours. How much does it cost to park for 5 hours and 15 minutes?
Saturday, April 2, 2016 by ejra

Math
Mark has $12.75 and Chris has $17.00. What fraction of Chris' total does Mark have?
Saturday, April 2, 2016 by Ariel

Math
A bucket holds 0.25 gallons of water. The water is poured into 20 equal-sized containers and there are 12 ounces left. How much does each of the smaller containers hold? (There are 128 ounces in a gallon.)
Saturday, April 2, 2016 by Nicole

Math
A section of rope is 0.5 feet long. The rope is cut into six equal lengths. How long is each section?
Saturday, April 2, 2016 by Ariana

Math
Write a proportion for each phrase then solve when necessary round to the nearest hundredth. 1.420 ft2 painted in 36 min;f ft2 painted in 30 min.
Saturday, April 2, 2016 by Janiah

math
amos is using a computer program to graph the function N(p)=-73p-2818. He wants to see the intercepts. Which minimum values should he use to set up the viewing window? A) X min:-80, Y min:-2500<---- B) X min:-50, Y min:-3000 C) X min:-2500. Y min: -80 D) X min:-3000, Y min:-50
Saturday, April 2, 2016 by Anonymous

Math
Write an expression for this statement: Double 5, then add 63. I don't understand double 5. Does it mean 5 to the 2nd power or 5 +5?
Saturday, April 2, 2016 by Susan

math
the function m(w)=-25w+2500 models the amount of money in a safe, in dollars, w weeks after lori learned the combination to the safe. what is the meaning of the x-intercept? A)there was 100$ in the safe when lori learned the combination<--- B)there was 2500$ in the safe ...
Saturday, April 2, 2016 by Anonymous

Math
The difference of two numbers is 3 their sum is 13 find the numbers
Saturday, April 2, 2016 by Naseem

Math
Nathaniel school is selling tickets to a spring Musical on the first day of ticket sales the school so 3 senior citizen tickets and nine children tickets to for a total of $75 the school took in $67 on the school on the second day by 8 senior tickets and 5 child tickets. What...
Saturday, April 2, 2016 by Naseem

math
By what percent will a fraction increase if its numerator is increased by 60% and its denominator is decreased by 20%?
Saturday, April 2, 2016 by Anonymous

math
Choose 5 ordered pairs whose first component is the additive inverse of the second component. Plot these points and connect them. What kind of figure do you get? In what quadrants does the figure lie?
Saturday, April 2, 2016 by Anonymous

Math
1)express 2Igsquarerootx-Ig4/3x^2+log(4x^3)/log(10​0) in the form aIgx+Igb, where a and b are constants. 2)If InK=Ina-Inb+Inc-t/bc, show that K=ac/b(e)^-t/bc
Saturday, April 2, 2016 by Trinity

math
1)solve the equation p=log(squareroot8)/log(2) 2)hence solve the equation log(31+log(16)/log(x))/log(9)=log(square​root8/log(2)
Saturday, April 2, 2016 by meredith

math
1)given that log(y)/log(4)=a and log(2y)/log(8)=b, show that 2a=3b-1 2)the strength (S) of an earthquake is represented by ritcher scale (R) and the relationship is as follows: R=log(S)/log(10).show that when the ritcher scale shows an increase in value by 1,the strength of ...
Saturday, April 2, 2016 by chase

math
Ilya and Dan shared 260 hats in the ratio 8:5. How many more hats did Ilya have than Dan?
Saturday, April 2, 2016 by Anonymous

Math
A cyclist is traveling at a speed of 14 miles per hour. How long did it take the cyclist to travel 112 miles?
Saturday, April 2, 2016 by Lily

Math
to make a recipe of weird juice there is 2 1/4 coconuts and 12 1/2 lima beans pods if made a triple batch how many coconuts and lima beans pods are needed.express answer as a mixed numbers.
Saturday, April 2, 2016 by Anonymous

Math
Jenny bought scrapbook supplies for $70.75. She paid $5.66 in sales tax. What was the sales tax rate on the supplies? If necessary, round your answer to the nearest tenth.
Saturday, April 2, 2016 by Lily

math
By what percent will a fraction increase if its numerator is increased by 60% and its denominator is decreased by 20%?
Saturday, April 2, 2016 by Anonymous

math
By what percent will the product of two numbers increase if one of them is increased by 50%, and the other is decreased by 20%?
Saturday, April 2, 2016 by Anonymous

math
It takes 15 electricians 24 days to wire a new housing subdivision. How many days would 18 electricians require to do the same job?
Saturday, April 2, 2016 by Anonymous

math
Ilya and Dan shared 260 hats in the ratio 8:5. How many more hats did Ilya have than Dan?
Saturday, April 2, 2016 by Anonymous

math
The area of circle PQR with centre O is 72cmsquared.what is the area of sector PQR,if POR =40squared
Saturday, April 2, 2016 by success

Math
An airline is trying to promote its new Boston toAtlanta flight. The usual price of this flight is $215. However, the airline is offering a 30% discount until the end of the month. How much will the flight cost after the discount?
Saturday, April 2, 2016 by Lily

Math
Sara wants to buy a necklace. The necklace has a list price of $57, and the sales tax is 8%. What will be the cost of the necklace after tax is added? Round your answer to the nearest cost. (can you try and explain it to me using proportions)
Saturday, April 2, 2016 by Lily

Math
Terrance is traveling at a speed of 55 miles per hour. At this rate, how far will he travel in 2.3 hours?
Saturday, April 2, 2016 by Lily

math
in a hall tv runs from hours and 4 tube lights work n hours each frame an equation if the total number of units consumed is 4.8 find 3 solution of this equation
Saturday, April 2, 2016 by faisal

st anns
from linear equation if the total bill of a house in delhi is rs 4000 for a month assuming that the consumption is x units as per delhi tariff slabs shown in the actual bill math otba solution
Saturday, April 2, 2016 by faisal

math (Pls help me out)
The plan for a new housing development call for the construction of a large number of residential homes.A marketing expert tells the owner that because of the poor location of development,20 of the houses which are sold will be sold at a loss.A financial consultant asserts 10...
Saturday, April 2, 2016 by Ras

math( pls help me out)
A sample of four families with three children each was taken.find the probability that one family has two girls,two families have three girls and one family has three boys.
Saturday, April 2, 2016 by Nadia

math
A sample of four families with three children each was taken.find the probability that one family has two girls,two families have three girls and one family has three boys.
Saturday, April 2, 2016 by Nadia

math
find the mean,variance and standard deviation for the number of heads when 10 coins are tossed.
Saturday, April 2, 2016 by Nadia

math( pls help me out)
Which of the following are binomial experiments or can be reduced to binomial experiments? I.surveying 100 aspiring students to determine if they are interested in pursuing their tertiary education at IUCG. ii.tossing a coin a 100 times to see how many heads occur. III.Testing...
Saturday, April 2, 2016 by Ras

Math
I need help how to figure out a take off orders pair X y 0 6 0 8
Saturday, April 2, 2016 by Dee

math
sinA=.....+cosA
Saturday, April 2, 2016 by me dilshad ansari

math
A survey from sigma research found out that 30% of IUCG students receive their spending money at the beginning of the academic session.if five students are selected at random,find the probability that at least three of them received their spending money at the beginning of the...
Saturday, April 2, 2016 by Ras

math
A survey from sigma research found out that 30% of IUCG students receive their spending money at the beginning of the academic session.if five students are selected at random,find the probability that at least three of them received their spending money at the beginning of the...
Saturday, April 2, 2016 by Bravo

Math
Find the value of p,if mean of following distribution is 20. X 15 17 19 20+p 23 Y 2 3 4 5p 6
Saturday, April 2, 2016 by Utkarsh

math
1.find the mean,variance and standard deviation for the number of heads when 10 coins are tossed. 2.it has been reported that 83% of government employees has been migrated onto the single-spin salary structure.if a sample of 200 government employees is selected,find the mean ...
Saturday, April 2, 2016 by farahan

math
A sample of four families with three children each was taken.find the probability that one family has two girls,two families have three girls and one family has three boys.
Saturday, April 2, 2016 by farahan

math
The plan for a new housing development call for the construction of a large number of residential homes.A marketing expert tells the owner that because of the poor location of development,20 of the houses which are sold will be sold at a loss.A financial consultant asserts 10...
Saturday, April 2, 2016 by farahan

math
1.Among 90 pieces of mail delivered to the library of a college,50 are addressed to the faculty of Business Administration and 40 are addressed to the Communication faculty.if two of these pieces of mail are delivered to the Dean's office by mistake,and the selection is ...
Saturday, April 2, 2016 by Bravo

math
1.if the probabilities are 0.87,0.36 and 0.29 that a family,randomly chosen as part of a sample survey in Adentan,owns a color television set,a video cassette recorder or both,what is the probability that a family in this area will own one,or the other or or both kinds of sets...
Saturday, April 2, 2016 by Bravo

math
1.if 3 out of 24 marked scripts have mathematical error and 5 are to be randomly selected for audit,what is the probability that none of the marked scripts with mathematical errors will be chosen? 2.ten identical PCs are in the inventory of a dealer,one has a hidden defect.if ...
Saturday, April 2, 2016 by Ibrahim

math
A manager questioned 100 employees selected as from a workforce of 7000 concerning the opinions of a proposed change in the company medical insurance plan.the medical insurance sales person claimed at least 80% of your workforce will favor this change.However,the manager's...
Saturday, April 2, 2016 by Ibrahim

math
The manager of a retail store knows that 40% of the customers who enter the store will purchase one or more items and 60% will leave without making a purchase.what is the probability that in a sample of 10 customers,five will buy one or more items? Here,the population consists...
Saturday, April 2, 2016 by Ibrahim

Math algebra
If a mixture calls for 3 cups of flour to 2 cups of water. Then how much water is needed for only 2 cups flour??
Saturday, April 2, 2016 by Benjamin

Math(PLZ HELP)
1)Choose an appropriate metric unit for the mass of a paper clip. A. meter B. gram C. kilogram*** D. centimeter 2)Which is likely to have a mass close to 3 kilograms? A. small feather B. five year old cat C. grown elephant D. peach*** 3)which measure correctly completes the ...
Friday, April 1, 2016 by sparkels_01

Math
An elementary school is offering 3 language classes: one in Spanish, one in French, and one in German. These classes are open to any of the 107 students in the school. There are 42 in the Spanish class, 32 in the French class, and 23 in the German class. There are 14 students ...
Friday, April 1, 2016 by Yasmine

Math (Real Analysis)
Prove if f(p) = 0 where abs(f) is continuous at p, then f is continuous at p. Note: we have only learned continuity, discontinuty, and epsilon-delta proofs (no limits)!
Friday, April 1, 2016 by Mari

Math
Each sales associate at an electronics store has a choice of two salary options. $115 per week plus 9.5% commission on the associate's total tax sales or $450 per week with no commission. The average of the total sales amount for each associate last year was $125,000. ...
Friday, April 1, 2016 by Miles

math
Which of the following is the number of ouces in 3 pounds? (NOTE: 1 ounce= 0.0625 pounds) A. 0.0208 B. 0.1875 C. 15 D. 48 I think b
Friday, April 1, 2016 by AMGCSTRNBSN

math
If a rectangular prism is h=10 inches an W=2 inches would the length be 8 inches how do I find the length Same question for a Rectanguler prism with a h=8 inches w=2.5 inches would the length be 8 inches or 5 inches
Friday, April 1, 2016 by meshel

math
8. (10x-3y) (5x + 2y) Simplify the expression above. Which of the following is correct? A. 50x2+ 5xy -6y2 B. 50x2+ 5x2y2-6y2 C. 50x2+ 35xy-6y2 D. 50x2+ 35x2y2-6y2 I think A
Friday, April 1, 2016 by AMGCSTRNBSN

math
what is the constant of proportionality for the values in the table? miles: 2 3 minutes: 12 18 1) 1/6 2) 4 3) 6 4) 10
Friday, April 1, 2016 by help pls

math
which three-dimensional figure has all triangular faces? A. triangular prism B. triangular pyramid***i pick B.*** C. rectangular pyramid D. cone
Friday, April 1, 2016 by Jess

math
two movie tickets cost 19.00. three movie tickets cost 28.50 what is the costant of proportionality? 1) 0.5 2) 9.0 3) 9.5 4) 11.0
Friday, April 1, 2016 by help pls

Math
Draw and label examples of all rectangular prism built with 16 unit cubes
Friday, April 1, 2016 by Kiki

Math
mathan cut a rectangular tiles in half for his kitchen floor design. the tile was not a square. he made one cut along a diagonal from one vertex to another vertex. classify the two triangle resulting from the cut by their angle and their side length
Friday, April 1, 2016 by Kiki

Math
Carla will make two twnts. She needs 9 1/2m plus two thirds of 9 1/2m for both. What is the number sentence for this question?
Friday, April 1, 2016 by mona

Math
what is the distance between points A and E? A is located at (3,4) and E is located at -1 on the x-axis answers: a. 2.8 b. 3.2 c. 4.9 d. 5.7 is the answer A?
Friday, April 1, 2016 by Jay

Math- quadratic equation
A garden measuring 12m by 16m is to gave a pedestrian pathway installed all around it. The pathway is the same width all the way around the garden. The pathway and the garden have a total area of 258m^2. What will be the width of the pathway? ( I know the answer is 1.5 I just ...
Friday, April 1, 2016 by Lacy

Math
FIND THE FUNCTION RULE x: -2, -1, 0, 1 , 2 y: 9 , 4, -1, -6, -11
Friday, April 1, 2016 by Diamond

math
the scale model of a building id 5.4 ft tall if the original building is 180 meters tall what was the scale used to make the model.
Friday, April 1, 2016 by julien

math
Find the wages for a person who earned $8 an hour and worked 45 hours from Monday through Friday.
Friday, April 1, 2016 by Destine

Math
Write the equation of lowest degree with real coefficients if two of its roots are -1 and 1+i. The answer is x^3-x^2+2=0. I don't understand why.
Friday, April 1, 2016 by Bethany

Math
Find the function rule... (X) -2, -1, 0, 1, 2 (Y) 9, 4, -1, -6, -11 This is my first question ever.......
Friday, April 1, 2016 by ????????????????????

Math
Ramon has 2,340 in his savings account write an expression for the amount in his account after he deposits d dollars and withdraws w dollars if he deposits 100.00 and then withdraws half as much as he deposited, how much is in his account
Friday, April 1, 2016 by Mavis Lover

Math
Determine which ordered pair is a solution of y = 2x - 3 1. (-2, 7) 2. (0, 3) 3. (-4, -11) 4. (5, -7)
Friday, April 1, 2016 by Anonymous

Math
Mariah has a flower bed that is 10 feet long and 5 feet wide. She wants to put a fence around the flower bed to keep the deer from eating her flowers. She also wants to leave enough space to walk between the fence and the flower bed. What is the perimeter of the fence if the ...
Friday, April 1, 2016 by Diane

math
The sum of the digits on a digital clock is 15. The number of minutes is 5 times the number of hours. Wheat time is it?
Friday, April 1, 2016 by stephanie

math
Karen mixed 1/2 cup of orange juice, 3/4 cup of pineapple juive , and 1/3 cup of grapefruit juice. How many cups of juice did she use?? Please help:)
Friday, April 1, 2016 by andrea

Math
Solve for x: In23x+1=5
Friday, April 1, 2016 by Kor

math
The tax on an item is $60. Given a tax rate of 8.5%, which of the following is the price of the item, to the nearest dollar, before taxes? a. $408 b. $510 c. $650 d. $706 I think D but not for sure. Can u show me how u set this problem up?
Friday, April 1, 2016 by AMGCSTRNBSN

Math
A garden measuring 12m by 16m is to have a pedestrian pathway installed all around it. The pathway and the garden have a total area of 285m^2. What will be the width of the pathway? (Please explain as you go)
Friday, April 1, 2016 by Megan

MATH
Chef Lee bought 20 kilograms of rice. He cooked 7 kilograms of it. What percent of the rice did Chef Lee cook?
Friday, April 1, 2016 by aaliyah

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