Tuesday
May 3, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

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

math
identify the sequence 3888 , 216 , 12 , 2/3 , as arithmetic geometric neither of both
Friday, April 1, 2016 by HELP PLS

MATH
A bakery sold 2/5 of its loaves of whole wheat bread before noon. What percent of its loaves of bread were sold?
Friday, April 1, 2016 by aaliyah

math
2. find the next three terms of the sequence. -6, -24, -96, -384 1) -768, -1536 , -3072 2) -768, -3072, -12288 3) -1536, -6144 , -24567 4) -1536, -9216, -36864
Friday, April 1, 2016 by HELP PLS

Math
Karthi had RS.5000 with him. he lent a part of 12% per annum simple interest and the remaining at 15% per annum. his total annum income was Rs.700.find the sum lent at12% per annum.
Friday, April 1, 2016 by Priya

math
Three-Dimensional figures 1). B 2). A 3). B 4). C 5). D
Friday, April 1, 2016 by aryannaneill

Math
Find the exact value of indicated trignometric function of theta. Sin= -4/9 , tan theta>0 find sec
Friday, April 1, 2016 by Zunaira

math
sinA=.....+cosA
Friday, April 1, 2016 by me dilshad ansari

math
how many distinct letter words can be made from the word "CHRISTYNA"?
Friday, April 1, 2016 by humayrah

Math
Suppose that INT{pi to t} g(u)du= e^(cos(t)). Show that INT{0 to t}g(u)du= e^(cos(t))- e. I have no idea how to prove. Tried taking derivative of the result, but didn't think that would help with anything.
Friday, April 1, 2016 by Cindy

Math
The table below shows the number of deaths in the U.S. in a year due to a variety of causes. For these questions, assume these values are not changing from year to year, and that the population of the United States is 312 million people. a) What is the probability that an ...
Friday, April 1, 2016 by Anonymous

Math
If you randomly select a card from a well-shuffled standard deck of 52 cards, what is the probability that the card you select is a Queen or 5?
Friday, April 1, 2016 by Anonymous

Math
The scale drawing to the right shows the first floor. The actual dimensions of the garage are 20 ft by 25 ft. ( Scale is 1 by 1 1/4) . How many ft does each inch represent? The whole thing is a little confusing, any tips however?
Thursday, March 31, 2016 by Leah

Math
A set of data is in the ratio of 2:3:5:6. If the largest number in this data set is 42, what is the range of the set of data?
Thursday, March 31, 2016 by Olivia

Math
Write an expression to describe a rule for the sequence then find the 100th term in the sequence. 4,9,14,19,24,29.... A. 4+5n;504•• B. 5n-1;498 C. 5n;500 D. 4n+5;405 Correct me
Thursday, March 31, 2016 by Pablo

Math
Two vertices of a rectangle are on the positive x axis. The other two vertices lie on the lines y= 4x and y= -5x + 6. Then the maximum area of the rectangle is?
Thursday, March 31, 2016 by Ashu

Math
1. Write a rule for the sequence. 3,-3,-9,-15.... Start With 3 and add -6 repeatedly Start with -6 and add 3 repeatedly •• Start with 3 and add 6 repeatedly Start with 3 and subtract-6 repeatedly 2. Find the next three terms of the sentence. -4,-8,-16,-32... -96,-288...
Thursday, March 31, 2016 by Pablo

math
What is the width of a math book
Thursday, March 31, 2016 by Anonymous

Math
There are 252 seats in an auditorium.The auditorium is divided into three equal sections. How many seats are in each section?
Thursday, March 31, 2016 by Alexis

MAth
Lily and rose are playing a game, in the game,each player starts with 0 points and the player with the most points at the end win. Lily gains 5 points two times loses 12 points ,and then gains 3 points. Rose loses 3 points two times,loses 1point,gains6 points another gains7 ...
Thursday, March 31, 2016 by David

math
A 10 kilometer race is about 6.2 miles long. Teresa completes the race in 58 minutes. What is her average time per mile? Give your answer in minutes and seconds.
Thursday, March 31, 2016 by jim

math
A plane flying a its maximum speed can go 200 miles per hour with a tailwind and 160 miles per hour into a head wind. a) What is the wind speed? b) What would the maximum speed of the plane be if there was no wind?
Thursday, March 31, 2016 by Stormi

Math 142 (Pre-Cal) (Circles)
A wheel spins through 29 revolutions per minute. Find the angular velocity and the linear velocity if the radius of the wheel is 1.8 feet. w=? (rad/min) v=? (feet/min)
Thursday, March 31, 2016 by Ray

Math
A plastic jug contains 2g gallons of milk more than a carton of milk. The plastic jug and the carton contain(8g+6) gallons of milk altogether. How much milk does the plastic jug contain?
Thursday, March 31, 2016 by Lily

Math
Ling drove at an average speed of 78 km per hour for 45 minutes. She then increased her average speed by 6 kilometers per hour for 20 more minutes before reaching home. Find the total distance Ling traveled.
Thursday, March 31, 2016 by Lily

math
Need these in order from least to greatest 1/2 5/6 1/4
Thursday, March 31, 2016 by minco elementary

math
how do i solve 3√8x^2y^3 - 5x√32y^3 or 4√98y^11 - 9√128y^11
Thursday, March 31, 2016 by lauren

math help pls pls pls
Consider the functions f(x) = 2x + 1 and g(x) = x^2 − 10. What is the value of f[g(3)]? 39 −3 −7 −1 pls help me
Thursday, March 31, 2016 by Oscar

Gr 11 Math Problem
Bob got the following marks in each category for his math test. Knowledge: 15/15 Application 8/9 Thinking 5/7 Communication 3.5/4 Given that Knowledge is weighted as 35%, while the others are 15% what was his total mark? (Average)
Thursday, March 31, 2016 by AlphaPrimes

Math
Using the table of values -2,-1,0,1,2, what would be the "Y" when given these set of equations? y= 3^ y= 2 ^ y = (1/2)^ the ^ is a tiny letter x exponent that we sub in with the table of values
Thursday, March 31, 2016 by Math

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