Monday
February 8, 2016

# Homework Help: Math

## Recent Math Questions

math help
Mr. Donahue needs 4 1/2 pounds of flour to make 5 loaves of bread. He bought a 50-pound bag of flour that costs $64.99. About how much will Mr. Donahue spend on flour for a loaf of bread? A$1.17 B $5.85 C$6.50 D $58.49 how is this answer A Monday, January 18, 2016 by jhon Math Find the point (x,) on the graph of the curve y=√4x+13 that is the closest to the fixed point (5,0). Monday, January 18, 2016 by Remy Math What is the opposite of the opposite of the opposite of the opposite of 2 times 2? Monday, January 18, 2016 by Rainbow Dash Math What is the opposite of the opposite of the opposite of 2 times 2? Monday, January 18, 2016 by Rainbow Dash Math 2.0 million wanted by retirement in 35 year at earned 4% annually how much do you need to start with inorder to have 2.0millionsaved Monday, January 18, 2016 by Marcia McKinnon math help Mr. Donahue needs eq177745_s1 pounds of flour to make 5 loaves of bread. He bought a 50-pound bag of flour that costs$64.99. About how much will Mr. Donahue spend on flour for a loaf of bread? A $1.17 B$5.85 C $6.50 D$58.49 how is this on A please explain
Monday, January 18, 2016 by jhon

math help
Mrs. Williams is going to purchase a plastic cover for her outdoor fish pond. The area of the fish pond is 25 m2. However, she must purchase a cover that is 12% more than the pond area in order to cover the entire edges of the pond. The plastic cover costs $4.75 per square ... Monday, January 18, 2016 by jhon 8th grade math and algebra class A bird seed store is running a sale, when as you buy additional bags of seed you get a reduction in price on the additional bags. - first and second bags cost$20/bag - third through fifth bag cost $15/bag - sixth through tenth bags cost$10/bag Graph the total cost as a ...
Monday, January 18, 2016 by Scorer for the Braves

Math: Geometry
I am having trouble with a problem from my online math class. I tried using the basic angle properties of circles, but didn't get anywhere: Let ABCD be a cyclic quadrilateral. Let P be the intersection of AD and BC, and let Q be the intersection of AB and CD. Prove that ...
Monday, January 18, 2016 by I see you have graph paper. You must be plotting something.

Suppose the difference of two numbers is 3. Does the sum of their squares have a minimum or maximum value? What is that value?
Monday, January 18, 2016 by Remy

Math
Christie decided to make bracelets for the fifth-grade girls. 2/5 of the bracelets were finished on Monday, and 3/7 of the bracelets were finished on Tuesday. What part of the total number of the bracelet are finished?
Monday, January 18, 2016 by Steph56

math help
Hayley wants to purchase tile for the floor in a rectangular room that measures 15 feet by 14 feet. The tile costs $4.25 per square foot. Sales tax is 6.5%. What will be the total cost to cover Hayley’s floor with tile? Monday, January 18, 2016 by jhon Math Can you explain how to do this question? "Three clocks ring once at the same time. After that, the first clock rings after every 90 minutes, the second after every 30 minutes, and third after every 60 minutes. After how many minutes will they again ring together? Monday, January 18, 2016 by Patricia Math Pizzazz How do you weigh a whale? Monday, January 18, 2016 by Foxy the Pirate Fox math what is the simple interest of 32500 for a 4 year loan at 4%? Monday, January 18, 2016 by Patrick Math A student got 70% on the first test She got 77% on the second test What is the percent increase ? This was all that was given in question Monday, January 18, 2016 by Julie Math (Help) thx! The number of people who vote early doubles every week leading up to an election. This week 1200 people voted early. The expression 1200 (multiplied by) 2^w models the number of people who will vote early w weeks after this week. Evaluate the expression for w= -3. Describe ... Monday, January 18, 2016 by Samy Math The championship is over in two days. After the first day, his score is -150. Ten minutes into the second day his score is -210. Assume that his score continues to change at the same rate for the whole second day. Whats the expression Monday, January 18, 2016 by Ashley math 6x2-13xy+5y2 (2x+13+6x+5 Monday, January 18, 2016 by michael Math Find the gradient of line AB joining the following pair of point (2,1) and (4,2) Monday, January 18, 2016 by Precious Grade 5 math During the week,five students kept track of how much time they spend doing homework.Jonathan did 185 minutes,Gemma did 205 minutes,Brandon did 240 minutes,Emily did 195 minutes and vat anak did 165 minutes.What was the total number of minutes the students spend on their ... Monday, January 18, 2016 by Anonymous Math 1.if 40% of pupils in a school are boys,what percentage of the pupils are girls? 2.increase 448 by 25% 3.decrease 20.00 by 5% Monday, January 18, 2016 by Maryam math(epidemiology) A population of 100 healthy men was followed for the development of prostate cancer. After being followed for 5 years, 20 men developed prostate cancer. Ten other men were followed for 1 year and then were lost to follow-up. The remaining men who never developed the disease ... Monday, January 18, 2016 by Kelly math 8 solve the system of equations 5x+2y=11 3x-4y=4 give answer as decimal if required. any help would be appreciated, thank you Monday, January 18, 2016 by sam Math Use a proportion to find the missing side length in the following similar figures. Both are triangles one is small and the other is bigger. The small is 4m and 2m the big one is 9m and you have to solve for x on it. A. x=4.5 m B. x=18 m C. x=8 m D. x=2.25 m Not sure? Monday, January 18, 2016 by Ams Math For which values of x is y equal to 16 in the equation y=|3x+4| ? A. -60 and 36 B. -36 and 60 C. -20/3 and 4 D. 20/3 and 4 Monday, January 18, 2016 by LadyPhantomhive Math Shadontay is going to the movies with two friends he buys a small popcorn that cost$2 the tickets and 1 popcorn cause a total $29 how much does one ticket cost Monday, January 18, 2016 by Alex Math the second and sixth terms of an arithmetic sequence is 4. the third term is 24more than the 11th term. Determine the first three terms of the sequence Monday, January 18, 2016 by Nomfundo Math The following list gives the first 6 values of a sequence that follows a numerical pattern. -2, 3, 1, 4, 5, 9... Which is most likely the 10th value in the sequence? A. 23 B. 37 C. 60 D. 97 Monday, January 18, 2016 by LadyPhantomhive Math Two of the factors of ax^2+bx+c are (2x-2) and (x+5). Which is one of the x-intercepts of y=ax^2+bx+c? A. -2 B. -1 C. 5 D. 1 Monday, January 18, 2016 by LadyPhantomhive Math Harry drove for 5 hours on the freeway, then decreased his speed by 20 miles per hour and drove for 3 more hours on a country road. If his trip total was 396 miles, then what was his speed on the freeway? Monday, January 18, 2016 by Quita math Please help me with these bodmas sums 8-3×(17-8) 32÷[5-(4-7)] 12-[6-(3+8)×2] 3+7×(2-4) Monday, January 18, 2016 by Godiraona math a playground has sides 17 m, 19 m and 18m. is 60 m of fencing enough to fence the 3 sides? Monday, January 18, 2016 by question math a playground has sides 17 m, 19 m and 18m. is 60 m of fencing enough to fence the 3 sides? Monday, January 18, 2016 by Anonymous math how many cubes with an edge of 2 cm can form a rectangular prism that measures 6 cm by 4 cm by 4 cm? Monday, January 18, 2016 by tante math how many balls with a diameter of 6 cm. each can a square box hold if the box has a measure of 36 square cm. on each side? Monday, January 18, 2016 by tante math lenlen cut a rectangular block of cheese into cubes with an edge of 3cm. each. the base area of the block is 36 square cm. if the block is 6 cm. high, how many cubes of cheese did lenlen get it all? Monday, January 18, 2016 by tante math how many 8 cu.cm sugar cubes can sandy put in a 4cm by 8cm by 8cm box? Monday, January 18, 2016 by tante Math Aaron is thinking of a number. It is the sum of 10 and the least digit number and also the product of 20 and the least counting number. What is the number? Monday, January 18, 2016 by Girlie math Undersantding Quadrilateral. the two adjacent angles of a quadrilateral are 58¡ã and 122¡ã. The other two adjacent angales are equal what is measure of each of these equal angles Monday, January 18, 2016 by Anonymous Math Lenlen cut a rectangular block of cheese into cubes with an edge of 3cm each. The base area of the block is 36 cm squared. If the block is 6 cm high, how many cubes of cheese did Lenlen get in all? That is my math hw It needs an equation solution and answer Monday, January 18, 2016 by Lol im a 10 y.o. Girl Math-Calculus a spring has a natural length of 20meters. a) find the work required to stretch the spring from 20m to 30m b) from 30m to 40m c) how is the work from part a and part b related? Monday, January 18, 2016 by zaxoanl MATH A women is taking a lesson in a circular swimming pool. she starts at one edge of the pool and swims for 12 meters in a straight line till hits the edge of the pool. she turns and swims another 5 meters and again hits the edge of the pool. she realizes that she is exactly on ... Monday, January 18, 2016 by Adham math Quinn and Karen are traveling towards each other from points that are 420 miles apart. If Karen is traveling 18 mph faster than and they meet after 7 hours, how fast was each traveling? Sunday, January 17, 2016 by g math You have 50 coins, all quarter's and dimes. How would you know how many of each coin and come up with a total of 11.15$-?
Sunday, January 17, 2016 by Angela

Math
4/15 of a pool is filled every 1/8 of an hour. How much of the pool will be filled in one hour?
Sunday, January 17, 2016 by Alexa

Math
Can someone explain lnx^(1/5)?
Sunday, January 17, 2016 by Fisher

Math
Forty percent of the 20 seats on the bus were occupied. Write 40% as a reduced fraction. Then find the number of seats that were occupied.
Sunday, January 17, 2016 by Brittany

math multiply binomials by trinomials ( really need help)
a) 5(1/5x - 1)(5x - 1/5) b)(2a - 3)^2 - (3a + 4)(3a - 4) +2(3a + 1)^2 c)(x/3 - 2)(x/2 - 3) d) -1/5x(25x - 10y) + 1/3(12x-3y) e) 3(x-2y)^3
Sunday, January 17, 2016 by Bongiwe Gamede

Math
I need to create a picture on the computer and plot points using the x-axis and the y-axis. What program would I use to make this?
Sunday, January 17, 2016 by Susan

math
eric spends three eight of his money on a pen and one third on snacks .what fraction of his money is left
Sunday, January 17, 2016 by phillisha

math
i need help with algebra
Sunday, January 17, 2016 by dorcas

Math
would 450 nickels be greater than 25 quarters
Sunday, January 17, 2016 by Matt

Math
Is the middle point in the Cartesian Coordinate system correctly called the origin or the center? I am referring to the (0,0) point.
Sunday, January 17, 2016 by Rachel

math
Last summer,at camp okey-fun okey, the ratio of the number of boy campers to the number of girl campers was 8:7. If there were a total of 195 campers how many boy campers were there?____girls campers___
Sunday, January 17, 2016 by Tre

Math
I am stuck on this. I am converting 450 nickels to 25 quarters to see which is greater. Can you explain or show me how to do this.?
Sunday, January 17, 2016 by Matt

Math
I am really confused. I am trying to convert quarters to dimes to see which is greater. The problem is 540 quarters _ 2000 dimes. Please explain so I can understand how to convert the two numbers.
Sunday, January 17, 2016 by Ryan

math-finance
Given the following information, answer the following: TR=$3Q TC=$1,200 = $2Q 1. what is the break-even level of output? 2. If the firms sells 1,300 units, what are its earnings or losses? 3. If sales rise to 2,000 units, what are the firms earnings or losses? 4. If the total... Sunday, January 17, 2016 by Rald Math Admission for the movies is$6 per adult and $3 per child. Write an algebraic expression Sunday, January 17, 2016 by Anonymous Math I am stuck on this problem: Would 80 gallons > 350 pints? because i know i gallon=8 pints Sunday, January 17, 2016 by Kyle Math At country concert, the ratio of the number of boys to the number of girls is 2:7. If there are 250 more girls than boys, how many boys were at the concert? Sunday, January 17, 2016 by Tre Math Kenny wants to invest$250 every three months at 5.2%/a compounded quarterly. He would like to have at least $6500 at the end of his investment. How long will he need to make a regular payments? *PLEASE SHOW WORK* Sunday, January 17, 2016 by Nick Math For this problem I have to order these numbers from least to greatest. Would this be correct: .62< .622 < .6262 < 5/8 Sunday, January 17, 2016 by Kyle Math I am confused with this problem: By what number does 9.46 exceed 3.928? Would I subtract the two numbers? Sunday, January 17, 2016 by Mike math,eng,phy,chem,bio,geography,economics if 8.99g of scandium and 8.99g of oxygen react to give scandium oxide and a leftover of oxygen 3.65g. what percentage of scandium oxide is the oxygen Sunday, January 17, 2016 by joyce math,eng,phy,chem,bio,geography,economics in an experiment of oxgen to hydrogen in water molecule. 9g of iron were heated in a current of hydrogen,6.5g of iron and 2.8g of water were formed using this data. determine the proportion by mass of oxygen to hydrogen in water Sunday, January 17, 2016 by joyce Math Teacher Certification Exam Person A has 6.24 and Person B has two cents more than twice Person A. How much money will they have if they combined their money? I had this confusing word problem yesterday on a Teacher Certification Exam for PreK-3 grade. Please help clarify how to set this problem up to ... Sunday, January 17, 2016 by Miyiah Math/ algebra Cheryl decided to create a flower bed in front of her house. One half of her flower bed is planted with pink tulips. She plants three-quarters of the rest of the ground with purple iris. After that she plants one half of what remains with orange marigolds. The rest of the ... Sunday, January 17, 2016 by Annie math simple interest per month on$210,000.00 loan at 1/4% is how much?
Sunday, January 17, 2016 by phil

math
what is the answer when you order the common fraction 4/7,1/2 and 2/9 in ascending order?????????????????????????
Sunday, January 17, 2016 by ashley

math
a jucket cost £45 in the "15℅ off "sale. how much did it cost before the sale?
Sunday, January 17, 2016 by david

Math
There are 8 cows 3 sheep and 5 chicken in the field what fraction of the animals are the sheep
Sunday, January 17, 2016 by Ana

math literacy,english,afrikaans,l.o,l.s,bus
Can you become a social worker with the following subjects maths literacy, english,afrikaans,life orientation,life science,business and history are can you tell u what can you become with that subjects above
Sunday, January 17, 2016 by prisca munsha

MATH
Okay bottle wooden box of internal age 1 metre is made of 5 centimetre thick would the box is open at the top it would cost rupees 9604 cubic metre. Find the cost of the wood require to make the box.
Sunday, January 17, 2016 by ANIRUDH DAHUJA

math
3 digit number, divisible buy 5, odd number, product of the digits is 15, sum of digits is less than 10 and less than 12by12
Sunday, January 17, 2016 by mbali

Math
How many tiles of length 8cm breath 5cm are needed to tile a floor of dining space which is 400 cm long and 300 cm wide
Sunday, January 17, 2016 by Anonymous

math
what does -10 degrees indicate
Sunday, January 17, 2016 by Godiraona

math
selena calculated the percentage change in the price of a microwave as -87%please explain what it means
Sunday, January 17, 2016 by Godiraona

math
The Greener Corporation produces electrical motorcycles and electric cars. The management wanted to produce at least 2 electrical cars and 8 electrical motorcycles but no more than 5 electric cars per month. The production department can produce a maximum of 20 electric cars ...
Sunday, January 17, 2016 by ymme

Math literacy,geography,tourism,bisiness studies
Can i become a geologist if i have the following subject above?
Sunday, January 17, 2016 by Siyanda

math
In the experiment of rolling a pair of dice, compute the probability of an even number or a number greater than 3 facing up.
Sunday, January 17, 2016 by ymme

math
in the experiment of rolling a pair of dice, compute the probability of an even number or a number greater than 3 facing up
Sunday, January 17, 2016 by ymme

Math
Esther drove to work at 45 miles per hour. Returned home at 30 miles per hour. If Esther spent a total of one hour commuting to and from work, how many miles did Ester drive to work in the morning?
Sunday, January 17, 2016 by Bob

Math
which value of k makes p^2-8p+k a perfect square?
Sunday, January 17, 2016 by King

Math
find the extrema of f(x)=x^(2/5), -3<=x<1. I find zero critical points, but the answer says there is a maxima and minima at 0 and -3.
Sunday, January 17, 2016 by Bob

Math
A certain clock gains 3 minutes every hour if this clock shows the correct time at 6:00 an what time will the clock show when it is 1:00 pm of the same day?
Saturday, January 16, 2016 by Juan

math
given a cylindrical waterbottle that has a volume of 1.25L, find the radius and a height that is 4-6 times the radius
Saturday, January 16, 2016 by jordan

math
jerry needs to buy two walking aids. one will cost $150 and the other will cost$ 75. how much jerry need to spend?
Saturday, January 16, 2016 by monica

Math
For what values of r does the function y = erx Satisfy the equation y'' + 5y' + 6y = 0?
Saturday, January 16, 2016 by Mathematics

Math
Gabriella is x years old. Her sister, Felicia, is six years older than she is. Their mother is twice as old as Felicia. Their aunt, Tanya, Is x years older that their mother. White and simplify an expression that represents Tanya's age in years
Saturday, January 16, 2016 by Anonymous

Math
Eight friends went to a hockey game. The price of admission per person was $x. Four of the friends paid an extra$6 each for a player guide book. Write and simplify an expression that represents thr total cost.
Saturday, January 16, 2016 by Anonymous

Math
SAT dread. 1. If n and p are integers greater than 1 and if p is a factor of both n+3 and n+10, what is the value of p? a. 3 b.7. c.10 d. 13. e 30 2. The company sends a team of 3 plumbers to work on a certain job. The company has 4 plumbers and 4 trainees. 1 team has 1 ...
Saturday, January 16, 2016 by Lily

math
what is a prime number?
Saturday, January 16, 2016 by sally

math
Assume an 18 month CD purchased for $7000 pays an APR of 4% compounded monthly. What is the APY? 2 decimal places Saturday, January 16, 2016 by matt Math a car dealership pays you 5% commission on your first$10,000 on car sale and 8% commission on the sale amount over $10,000. if you sold a$12,000 car, how much is your commission? $92.00••$91.00 $85.50$82.55
Saturday, January 16, 2016 by Estephania

Math
Let $|r| < 1$, $$S = \sum_{k=0}^{\infty} r^k,$$ and $$T = \sum_{k=0}^{\infty} k r^k.$$ Our approach is to write $T$ as a geometric series in terms of $S$ and $r$. Give a closed form expression for $T$ in terms of $r$.
Saturday, January 16, 2016 by TheDude

Math Terminology
Identify all the components of this statement: 3a + 2b = 7 Is this an equation or an expression and why? constant variable term expression equation I believe it is an equation because it has an equal sign I believe the constant is 7 because that never changes I'm not sure ...
Saturday, January 16, 2016 by Marina

Math
Suppose the tuition at a community college is currently $115/credit hour. If the tuition is increased by 7%, what is the new tuition rate? What was the multiplier you used? I multiplied$115 x 1.07 to get a new rate of \$123.05 So would I say the multiplier was 1.07? I'm ...
Saturday, January 16, 2016 by Felicia

Math
What is 17% of 200? .17 x 200 = 34 What is the number 200 increased by 17%? 200 x 1.17 = 234 What is the number 200 decreased by 17%? The only way I knew to do this is based on the first question - since that answer was 34, I subtracted 34 from 200 and the answer was 166. Is ...
Saturday, January 16, 2016 by Marcus

Math
How do I convert 3000 mg/day into g/hour?
Saturday, January 16, 2016 by Sabra