Sunday
February 14, 2016

# Homework Help: Math

## Recent Math Questions

math
If the cost price (C.P.) of 6 articles is equal to the selling price (S.P.) of 4 articles find the gain percent.
Thursday, February 4, 2016 by Karan

Math
Daniel is having a poster printed from a photo that is 3inches wide and 5inches long if the poster is 24 inches long how wide should the poster be if it is proportional to the photo
Thursday, February 4, 2016 by Makayla

math
I don't understand how to write 3 groups of w as an algebraic expression. Can anyone help me?
Thursday, February 4, 2016 by Koko

Math
Can I subtracted from 2.3 from 20and got 17.7
Thursday, February 4, 2016 by Kinly

math
Thursday, February 4, 2016 by Jimmy

Math
Find the quotient. 6 2/7 divided by 2 3/4. 2 2/7. (MY ANSWER) 17 2/7. 2 6/11. 7/16.
Thursday, February 4, 2016 by LOVE

Math
What is the answer to,"if the area of a rectangle is 24 and the perimeter is 28, what are the length and width?"
Thursday, February 4, 2016 by Patrick

Math
Combine like terms(same variable to the same power) Simplify: 3a^3b+4a^2b^2-7a^3b+2ab-5a^2b^2+10a^3b
Thursday, February 4, 2016 by Sony

Math
write 3 cos (ωt + 2) + 4 sin (ωt + 1) as A cos (ωt + φ). Find A = ? φ= ?
Thursday, February 4, 2016 by Jeo

Math
There are 5 chairs in a row, and three people. In how many ways c an you place the people on the chairs? (each person must occupy exactly one chair, so that two chairs will remain free).
Thursday, February 4, 2016 by Hannah

Math
Tom has taken 3 tests with an average of 88%. However, Tom really wants an A. To get an A, he has to have an average score of 93%. What score does he need on the final test to get an A? I just don't get it. Can someone walk me through the steps to get to the answer?
Thursday, February 4, 2016 by Sam

Math
Use three methods to express each problem’s ratio. Simplify all fractions. 1. Anna has 12 black rabbits and 4 brown. What is the ratio of black rabbits to brown rabbits?
Thursday, February 4, 2016 by Trina

math help
Louis says that if the differences between the values of x are constant between all the points on a graph, then the relationship is linear. Do you agree? Explain.
Thursday, February 4, 2016 by Anonymous

Math
Zefram analyzed a linear relationship, found that the slope-intercept equation was y  3.5x 16 , and made a prediction for the value of y for a given value of x. He realized that he made an error calculating the y-intercept and that it was actually 12. Can he ...
Thursday, February 4, 2016 by Anonymous

math
There are two jars, A and B. Jar A contains 7 red and 2 blue marbles, while jar B contains 5 red and 4 blue marbles. You roll a fair die.If you get a 2 or a 3, you pick a random marble from jar A and put it in jar B. You then pick a random marble from jar B. Else you pick a ...
Thursday, February 4, 2016 by daniel johnson

Math
What is e/2=3
Thursday, February 4, 2016 by Kenneth hoon

math
There are 28 cars registered for a race. The top 5 finishers will be awarded trophies. 1. how many different ways can the trophies be awarded? 2. Now, the trophies are labeled "first, second,etc How many different ways can the trophies be awarded?
Thursday, February 4, 2016 by cici

Math
Suppose the growth of a population (in thousands) is represented by the expression 32 * 2.1^x where x represents the number of years since 2010. Evaluate the expression for they year 2015. Round to the nearest whole number. A. 41 B. 1,307 C. 67 D. 622 Is it B or D??
Thursday, February 4, 2016 by Carmen

MAth
the high soccer team can have no more than 26 players.write and solve an inequality to determine how many more players can make the team if the coach has alreadychosen 17 players. i need the inquality,interpretation,solution
Thursday, February 4, 2016 by StickyDoom

Math
1. What is the probability of rolling a number less than or equal to 6 when rolling a six-sided number cube? a. 0.17 b. 5% c. 5/6 <--- Got this, don't know if it's correct. d. 1.0
Thursday, February 4, 2016 by Amber

Math
Rewrite the expression using the Distributive Property. 5(2x-8) a. -30x b. 10x-40*** c. 10x+40 d. 10x-8
Thursday, February 4, 2016 by Kaai97

math
In the figure xyz is an isosceles right triangle. What is the measure of xyz. A. 135 degrees B. 50 degrees c. 90 degrees d. 45 degrees
Thursday, February 4, 2016 by Anonymous

Math
a cookie recipe calls for a ratio of 4 cups of flour to 3 cups of sugar in order to make a dozen cookies. If Ben wants to make 30 cookies how many cups of sugar are needed?
Thursday, February 4, 2016 by Maricah

math
For a scavenger hunt, Chessa put one coin in each of 10 small boxes. Four coins are quarters, 4 are dimes, and 2 are nickels. How could you simulate choosing one box at random? Would you use the same simulation if you planned to put these coins in your pocket and choose one? ...
Thursday, February 4, 2016 by kimie

His,math lit,geo,life science,l.o an other two language
Five ways the similarities and differences between nsfas and student loan
Thursday, February 4, 2016 by Trompies

Math
Find the largest $n$ so that $f(2) \cdot f(3) \cdot f(4) \cdots f(n-1) \cdot f(n) < 1.98.$
Thursday, February 4, 2016 by Bob

Math
Evaluate the infinite geometric series $0.79 + 0.079 + 0.0079 + 0.00079 + 0.000079 + \dotsb$. Express your answer as a fraction with integer numerator and denominator.
Thursday, February 4, 2016 by Broch

english,zulu,math lit,geography,life sciences,life orientation and history
2016 is my last year at school but am still confused about my career couse i dont know what i want to be in life so pls help
Thursday, February 4, 2016 by pretty presant

math ms.sue plz help
which event has a probability of 1
Thursday, February 4, 2016 by kamiwolfie

math
you have a bag with 20 marbles ,2 yellow, 5 green, 12 red, and 1 blue.which of the following statements are true?select all that apply
Thursday, February 4, 2016 by kamiwolfie

math test PLZ HELP MEH I NEED IT ASAP
you place the letters for the word smart in a bag. what is the probability of choosing a z
Thursday, February 4, 2016 by kamiwolfie

math
A man sold two paintings at ₹924 each. On one he gains 20% and on the other he loses 20%. How much does he gain or lose in the whole transaction?
Thursday, February 4, 2016 by SAMEER PANDEY

Math
A trapezoid has an area of 24 square meters. The lengths of the bases of the trapezoid are 5 meters and 7 meters. What is the height of the trapezoid? • 4 meters************ • 144 meters • 2 meters • 1 meter
Thursday, February 4, 2016 by Marie

math
find the volume in cubic centimeters of the rectangular prism if the lenght is 2 1/2 cm and the width is 3 cm
Thursday, February 4, 2016 by alfred

math
Find the S.P. when C.P.=₹12.50;LOSS=40/3.
Thursday, February 4, 2016 by SAMEER PANDEY

math
Prove: tanA+2tan2A+4tan4A+8cot8A=cotA
Thursday, February 4, 2016 by kishor

Math plz help one qustion only!!!!!!!!!!!!!!!!!!!!
A trapezoid has an area of 24 square meters. The lengths of the bases of the trapezoid are 5 meters and 7 meters. What is the height of the trapezoid? • 4 meters************ • 144 meters • 2 meters • 1 meter
Thursday, February 4, 2016 by Marie

math
A woman bought 50 dozen eggs at ₹16 a dozen. Out of these,20 eggs were found to be broken. She sold the remaining eggs at ₹1.50 per egg. Find her gain or loss percent.
Thursday, February 4, 2016 by SAMEER PANDEY

math
Order the numbers 0.64, 2/3 , 65%, and 7/10 from least to greatest.
Thursday, February 4, 2016 by jjiiddss

math
Three candidates in a school election for head boy received 350,295 and 855 respectively. What percent of the total votes did the winning candidate receive?
Thursday, February 4, 2016 by SAMEER PANDEY

math
Maya is driving 120 miles to her grand mothers house. she drives 35% of the distance before stopping for lunch. how far does she drive before lunch?
Thursday, February 4, 2016 by jjiiddss

Math
Shirley had 52 more coins than Jim after Jim gave 1/5 of his coins to her. If they had 260 coins in all, how many coins did Shirley have at first?
Thursday, February 4, 2016 by Trish

math
Solve: Sin (x-pi/3)=1/2
Thursday, February 4, 2016 by angy

Math
I have the following chart that I am supposed to find the percent increase in one step. The directions specifically say not to use a two step method. 10.5 12.5 14.9 17.7 21.1 25.1 So I divide 12.5 by 10.5, 14.9 by 12.5, etc. When I do this (and round) I get about 19% increase ...
Thursday, February 4, 2016 by Sami

Math
Does linear growth have to add the exact same amount, so a constant amount each time such as 500, 500, 500, etc, or does it just have to be close, such as 125, 137, 145, 160, etc?
Thursday, February 4, 2016 by Sami

math
How much sugar would you need to make a one-layer cake
Thursday, February 4, 2016 by Anonymous

math
A vehicle is driven at 50km/h for 2 and half hours and then at 65km/h for 1/2 hours find the average speed for the whole journey
Thursday, February 4, 2016 by at

math
a cone has a circular base, a perpendicular height of 42cm and asemivertical angle of of 30. Calculate the slant height of the cone
Thursday, February 4, 2016 by ifedayo olofintuyi

A long, straight wire of length 2L on the y-axis carries a current I. According to the Biot-Savart Law, the magnitude of the magnetic field due to the current at a point (a,0) is given by B(a)= (mu sub 0 multiply by I) divided by 4pi times the integral from -L to L of (Sine ...
Thursday, February 4, 2016 by sathira

math
Keith's rectangular painting has a perimeter of 36 inches. The length of the painting is 8inches. What is the width
Thursday, February 4, 2016 by Aliyah

circumference...math
A Ferris wheel makes 12 revolutions per ride. How far would someone travel during one ride if the diameter is 63 feet?...thanks!
Thursday, February 4, 2016 by Martha

Math
1. What is the value of x in this diagram? There's two lines crossing each other. One angle is 7x+7, and another one is 47, the next is 112. A) 17 B) 15 C) 105 D) 68 Is the answer B? I got B when I solved but I still would like someone to check, thank you!
Thursday, February 4, 2016 by Tim

math
Madelyn bought 12 5/8 yards of fabric. She used 6 7/8 yards of the fabric for a costume. How much fabric did Madelyn have left?
Thursday, February 4, 2016 by keneria

math
1. You want to invest $10,000 dollars. How long will it take to double your investment at an annual interest rate of 10%, compounded continuously? (Round your answer to the nearest year) Thursday, February 4, 2016 by Anonymous math A pinion gear with 10 teeth is driving a spur gear with 40 teeth. the spur gear is rotating at 160 rpm. determine the speed of the pinion gear? Wednesday, February 3, 2016 by Anonymous Math Order from least to greatest. 0.29, 2/7, 25%, 0.2 25%, 0.2, 2/7, 0.29 0.2, 25%, 2/7, 0.29 *** 0.29, 2/7, 25%, 0.2 0.29, 2/7, 0.2, 25% Wednesday, February 3, 2016 by Sony math For a scavenger hunt, Chessa put one coin in each of 10 small boxes. Four coins are quarters, 4 are dimes, and 2 are nickels. How could you simulate choosing one box at random? Would you use the same simulation if you planned to put these coins in your pocket and choose one? ... Wednesday, February 3, 2016 by kimie MATH Write the explicit formula for the geometric sequence. 8,6,4 1/2, 3 3/8 What is the explicit formula for the given geometric​ sequence? An=................. Wednesday, February 3, 2016 by Samy Math Find the solution or solutions of the equation: 3^x=3/2x+6 Thank You ;) Wednesday, February 3, 2016 by Sal Reading/Writing I really need help asap with my subjective letter for my NJHS Application. Please answer fast- it is due tomorrow!! --- To the National Juniors Honor Society: I express my gratitude for selecting me, Sandra Garcia, as a possible member of the National Junior Honors Society (... Wednesday, February 3, 2016 by Sandra math A meteorologist reports an 80% chance of precipitation. Is this an example of experimental probability, written as a percent? Explain your reasoning. THANKS!! Wednesday, February 3, 2016 by kimie Math CAN SOMEONE ANSWER MY QUESTION The point (1,-2) is on the graph of f(x). Describe the following transformations on f(x), and determine the resulting point. a) g(x)=2f(x)+3 b) g(x)=f(x+1)−3 c) g(x)=−f(2x) d) g(x)=−f(−x−1)+3 Wednesday, February 3, 2016 by Carter math Does linear growth have to add the exact same amount, so a constant amount, each time or does it just have to be close? Wednesday, February 3, 2016 by Sami math Dree rolls a strike in 6 out of the 10 frames of bowling. What is the experimental probability that Dree will roll a strike in the first frame of the next game? Explain why a number cube would not be a good way to simulate this situation. THANKS!! Wednesday, February 3, 2016 by kimie math If sierra swims laps every morning for week . she swims 4/5 of a mile every morning. how many miles does she swim in one week Do i multiply or divide 5/1 x 4/5. please help Wednesday, February 3, 2016 by Justin Math Mrs. Walter buys 30 square feet of outdoor carpeting for her patio. If one side of the carpet is 6 feet, what is the length of the adjacent side? Wednesday, February 3, 2016 by Jackson math In tennis, Gabby serves an ace, a ball that can't be returned, 4 out of the 10 times she serves. What is the experimental probability that Gabby will serve an ace in the first match of the next game? Make a prediction about how many aces Gabby will have for the next 40 ... Wednesday, February 3, 2016 by kimie Math How many times greater is the value of the digit in 1 in 183,607 than the value of the digit in 1 in 362,105, can someone help Wednesday, February 3, 2016 by Libby Math The point (1,-2) is on the graph of f(x). Describe the following transformations on f(x), and determine the resulting point. Question 5 options: a) g(x)=2f(x)+3 b) g(x)=f(x+1)−3 c) g(x)=−f(2x) d) g(x)=−f(−x−1)+3 Wednesday, February 3, 2016 by Carter Math Mrs. Walter buys 30 square feet of outdoor carpeting for her patio. If one side of the carpet is 6 feet, what is the length of the adjacent side? Wednesday, February 3, 2016 by Jackson 3rd grade math The carpenter installs a rectangular wall that has a width of 5 feet and height of 8 feet. He has square tiles that will cover 35 square feet. What is the area of the wall? Does the carpenter have enough tiles to cover the wall? Wednesday, February 3, 2016 by Lost Mother Math the questions says if carlos eats 1/2 icream every night for dessert. He has 3 cups left. How many days can he eat a 1/2 cup before running out. How do I solve this problem Wednesday, February 3, 2016 by William Math A rectangular swimming pool is bordered by a concrete patio. The width of the patio is the same on every side. The area of the surface of the pool is equal to the area of the patio. What is the width of the patio? (Length of Pool: 24 Width of Pool: 16) Wednesday, February 3, 2016 by Greg Math The diameter of a soup can is 7cm. The label wraps around the can. About how many centimeters long must the label be to go all the way around the soup can?(use 22/7 for pi) explain how to mentally check whether your answer is reasonable. Wednesday, February 3, 2016 by Brittany Math A new law requires that 15 of an individual’s income be invested in the stock market. Your accounts show that you need to put$435 in the stock market this year. How much did you earn this year? $5,040$350 $504$3,500 Refreshing this question, I got $3,500, but, I don&#... Wednesday, February 3, 2016 by Chloe Math What is the area of a pentagon with sides of equal length, measuring 5v+3? Wednesday, February 3, 2016 by Kay Math The science club sold 24 T-shirts last week and 18 T-shirts this week. What is the percentage of decrease in the number of T-shirts sold? A: 33% B: 25% C: 50% D: 75% How do you do this? Wednesday, February 3, 2016 by Grant Math I have the following chart that I am supposed to find the percent increase in one step, not using a two step method. 10.5 12.5 14.9 17.7 21.1 25.1 When I do this (and round) I get about 19% increase for each one. (we are supposed to round. Then I have another chart that we are... Wednesday, February 3, 2016 by Sami Math The point (1,-2) is on the graph of f(x). Describe the following transformations on f(x), and determine the resulting point. a) g(x)=2f(x)+3 b) g(x)=f(x+1)−3 c) g(x)=−f(2x) d) g(x)=−f(−x−1)+3 Wednesday, February 3, 2016 by Carter Please help on math. Write the fraction as a percent. If necessary, round to the nearest tenth of a percent. 6/15 a. 40.0% *** b. 37.5% c. 33.3% d. 46.7% Write the fraction as a percent. If necessary, round to the nearest tenth of a percent. 6 4/5 a. 68% b. 6.8% c. 6.4% d. 680% *** Write the ... Wednesday, February 3, 2016 by Chloe math Chelsea has 10 yards of yarn. How many bows can be made if each bow uses 2/3 yard of yarn? Draw a diagram that represents the situation. How many 2/3 yard did he cut? Does he have any left over? How much? Write a division sentence to show the situation. Wednesday, February 3, 2016 by matthew Math What is the smallest whole number divisible by both 17 and 8? Wednesday, February 3, 2016 by Jenna 6th grade math Suzy earned$6.10 per hour in 2008 and $9.15 in 2011. How many times greater was the amount Suzy earned per hour in 2011 then in 2008?$9.15 - $6.10=$3.05
Wednesday, February 3, 2016 by Anonymous

Math, all correct?
Write the fraction as a percent. If necessary, round to the nearest tenth of a percent. 6/15 a. 40.0% *** b. 37.5% c. 33.3% d. 46.7% Write the fraction as a percent. If necessary, round to the nearest tenth of a percent. 6 4/5 a. 68% b. 6.8% c. 6.4% Write the percent as a ...
Wednesday, February 3, 2016 by Chloe

Math
What more than half of seventeen?
Wednesday, February 3, 2016 by Anonymous

Math
Suzy earned $6.10 per hour in 2008 and$9.15 in 2011. How many times greater was the amount Suzy earned per hour in 2011 then in 2008 $9.15 -$6.10= $3.05 Wednesday, February 3, 2016 by Anonymous Math Find the volume of the figure if the radius of the hemisphere and cylinder is 6 inches and the height of the cylinder is 12 inches. Find the volume in terms of pi. Wednesday, February 3, 2016 by Khila Math The time it takes to cover the distance between two cities by car varies inversely with the speed of the car. The trip takes 3 hours for a car moving at 40 mph. How long does the trip take for a car moving at 60 mph? Wednesday, February 3, 2016 by Anonymous Math Scale Drawings HW On a map the scale is 1/2 inch: 25 miles. What's the actual distance between two cities that are 3 inches apart? So, for this question I don't even know where to start!!! PLZ HELP ME!!!!! Wednesday, February 3, 2016 by Petrice Math If there were 150seats in the cafeteria and 128 were filled how many seats were left Wednesday, February 3, 2016 by Anonymous Math Find the intervals on which the function is increasing, decreasing, concave up, or concave down and find any local extreme values and inflection points. So I know how to do the above, but not with piece wise functions. Someone help me out? Y={3-x^2, x<0 and x^2+1, x>=0} ... Wednesday, February 3, 2016 by Beth Math Consider the function f(x)=7x^(2)+9. Its tangent line at x=5 goes through the points (1,y1) and (−7,y2) where y1= ___ , and y2= ___ Wednesday, February 3, 2016 by Kyle math Mrs Smith is having a party . She has 24 students . She estimates each student will eat 3/8.How many pizzas should Mrs. Smith order? Wednesday, February 3, 2016 by Lucy Math, please check! Order from least to greatest. 0.8, 7/8, 81%, 19/25 a. 0.8, 7/8, 81%, 19/25 b. 0.8, 81%, 19/25, 7/8 c. 7/8, 81%, 0.8, 19/25 d. 19/25, 0.8, 81%, 7/8 *** I converted all of them to decimals. Does it look right? Wednesday, February 3, 2016 by Constance Math Scott ran around his block 4 times to complete a distance of 1 mile. How many times will he need to run around his block to complete 3/4 of a mile? Wednesday, February 3, 2016 by Solange Math (8-x)/2=x-2 Solve for x I tried this equation and I cannot get the answer at all Wednesday, February 3, 2016 by Jenna Math Each of the following statements describes a quadrilateral. Which of the quadrilaterals are NOT parallelograms? Choose three. 1: The diagonals are congruent, but the quadrilateral has no right angles. 2: Two consecutive sides are congruent, but the figure is not a rhombus. 3: ... Wednesday, February 3, 2016 by SkatingDJ Math Suzy earned$6.10 per hour in 2008 and $9.15 in 2011. How many times greater was the amount Suzy earned per hour in 2011 then in 2008?$9.15 - $6.10=$3.05
Wednesday, February 3, 2016 by Margaret

need some math help
Gordy is a goalie for a neighborhood soccer team.He played in 65% of the 20 games this season.In how man games did he not play? Explain A.6 B.7 C.10 D.13
Wednesday, February 3, 2016 by Anonymous

math help
Gordy is a goalie for a neighborhood soccer team.He played in 65% of the 20 games this season.In how man ygames did he not play? Explain A.6 B.7 C.10 D.13
Wednesday, February 3, 2016 by Anonymous