Saturday
October 1, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

Math
I am also having trouble figuring out the below: Eva wants to make two pieces of pottery. She needs 3/5 pound of clay one piece and 7/10 pound of clay for the other piece. She has three bags of clay that weigh 4/5 pound each. How many bags of clay will Eva need to make both ...
Tuesday, September 6, 2016 by Patrick

Math
I am very confused on how to even begin figuring out the below problems: 1. Naomi has earned $54.00 mowing lawns the past two days. She worked 2 1/2 hours yesterday and 4 1/4 hours today. If Naomi is paid the same amount for every hour she works, how much does she earn per ...
Tuesday, September 6, 2016 by Patrick

Math
The temperature at noon is 75F degrees. The temperature drops 3 degrees every half hour. What is the temperature at 4.p.m? I honestly don't know what to do all I know is that I have these numbers, 75,3,4
Tuesday, September 6, 2016 by Giovanni

Math
-12 in the form of a/b where a and b are integers
Tuesday, September 6, 2016 by Jennifer

Math
CLIMATOLOGIST Each year a tree is alive,it adds a layer of growth,called a tree ring,between its core and its bark. A climatologist measures the width of tree rings of a particular tree for different years: YEAR: 1900:1910:1920:1930:1940 Width of ring:14/25:29/50:53/100:13/20:...
Tuesday, September 6, 2016 by Emily

math
gasoline and water are immiscible. Regular-grade gasoline has a lower density than water. A 100mL graduated cylinder with an inside diameter of 3.2 cm contains 34 g of gasoline and 34 g of water. What is the combined height of the two liquid layers in the cylinder? The volume ...
Tuesday, September 6, 2016 by Anonymous

Math
The recycling Club collected newspapers to recycle. The number of pounds of newspapers they collected rounded to the nearest tenth, is 195.3 pounds. What are the three possible numbers that could be the actual number of pounds of newspapers they collected?
Tuesday, September 6, 2016 by Tonya

Math
A cashier has a total of 33 bills consisting of ones, fives and twenties. The number of twenties is 14 less than the number of ones. The total value of money is $164. How many of each denomination of bill are there?
Tuesday, September 6, 2016 by Jack

Math
Ben has 3 times as many guppies as goldfish. If he has a total of 20 fish,how many guppies does he have
Tuesday, September 6, 2016 by Jan

Math
The height of a Norway Spruce is 10 feet. 2 1/2 feet per year, how long will it take the tree to reach the height of 25 ft? Write an equation that could be used to find how long it will take for the tree to reach a height of 25 ft.
Tuesday, September 6, 2016 by Amy

Math
Let A(2,3) be a fixed point. A point P moves such that PA is equal to the distance of P from the y-axis. Find the equation of the locus of P PA2 = (x-x1)^2 + (y-y1)^2 +??? = (x-2)^2 + (y-3)^2 +??? I tried solving it using the distance formula but I'm still confused because...
Tuesday, September 6, 2016 by Nye

Math
Let A(2,3) be a fixed point. A point P moves such that PA is equal to the distance of P from the y-axis. Find the equation of the locus of P PA2 = (x-x1)2 + (y-y1)2 +??? = (x-2)2 + (y-3)2 +??? I tried solving it using the distance formula but I'm still confused because I ...
Tuesday, September 6, 2016 by Nye

Math
1/3 foot on each side, closet is 3 1/3 feet wide and 6 feet deep?. How many tiles will I need
Tuesday, September 6, 2016 by Jasmine

Math
You begin a hike in death valley, California,at -86 meters.You hike to a point of elevation at 45 meters. What is your change in elevation
Tuesday, September 6, 2016 by Anonymous

Math
To find a baseball pitcher's earned run average (ERA), you can use the formula Ei = 9r, in which E represents ERA, i represents the number of innings pitched, and r represents the number of earned runs allowed.What is the equation for E?
Tuesday, September 6, 2016 by Chrizl

Math Precal
An airplane has an airspeed of 650 km/h bearing 15 degrees north of west. The wind velocity of is 19 km/h in the direction of 30 degrees east of south. Find the resultant vector representing the path of the plane relative to the ground. What is the ground speed of the plane? ...
Tuesday, September 6, 2016 by chris

Math
A 5cm piece of wire is cut into two parts such that a square formed by bending on part will have four times the area of a square formed by bending the other part, what is the length of the longer part. I just don't know what the equation would look like.
Tuesday, September 6, 2016 by Crissy

Math*Coordinate Geometry ~the Challenge Test Your Skill People.
A quadratic curve cuts the x-axis at 3 and -4.It cuts the y-axis at Z. The equation of the graph is y=ax^2+bx+c. Find ALL the posible values of a,b and c and the coordinates of Point Z.
Tuesday, September 6, 2016 by Ackron.Z

Math
c^9*d^-7/c^14*d^-10
Tuesday, September 6, 2016 by Max

math
Four friends shared a candy bar. The first friend ate 1/4 of the candy bar, the second friend ate 1/3 of the candy bar, and the third friend ate 1/6 of the candy bar. How much of the candy bar did the fourth friend eat? (Leave your answer as a fraction in lowest terms.)
Tuesday, September 6, 2016 by tyler

math
A boy spends 32% of his money and has 34 naira left . calculate how much he had at first
Tuesday, September 6, 2016 by Annie Finn

Math
3(3+r)=2r+4
Tuesday, September 6, 2016 by Jasmin

bridge
Mr. Feng conducted five math tests. Trinity had completed four tests and scored 79, 78, 82, and 75. She wanted to achieve an average of 80% in her math tests. Write an inequality to find the minimum score Trinity can make on the fifth test in order to score an 80% for all the ...
Tuesday, September 6, 2016 by Summer

math please help asap
a photo is 4 inches wide it is placed inside a frame with a border that is x inches wide the total width of the photo and the frame is 7 inches write an equation to model the situation then solve the equation to find the width of the border.
Tuesday, September 6, 2016 by lilly

algebra 1
Use mental math to determine the solution x/3=24. a. x=6 b. x=8 c. x=27 d. x=72 b is it?
Tuesday, September 6, 2016 by oto

Pure Math Coordinate Geometry
The Point O Is(0,0) and Point B is(6,9).Point A lies on the line OB.The ratio of OA:AB=2:1.Find the coordinates of Point A. (Method Needed Mostly)thanks....
Tuesday, September 6, 2016 by Ackron.Z

Math
5m^4/3(m^1/3*2n^1/8)
Tuesday, September 6, 2016 by Sam

Math
A cashier has a total of 37 bills consisting of ones, fives and twenties. The number of twenties is 15 less than the number of ones. The total value of money is $191. How many of each denomination of bill are there? There are ___ ones, ___fives, ____twenties.
Tuesday, September 6, 2016 by Dustin

MATH
I am new to this site. I am not sure if my last post went thru, with my calculations for review, so I will copy and paste my entire query. Thanks for your assistance. === Additional questions: this is for a form I need to fill out regarding my medications. Help please and ...
Tuesday, September 6, 2016 by E

math
The diameters of two circles are 4cm and 6 cm respectively Find the ratio of their areas?
Tuesday, September 6, 2016 by ainy

Math
A tank and a pail contained a total of 8346 ml of water.When 314 ml of water was poured from the pail into the tank,the amount of water in the tank was 12 times than in the pail.How much water was in the pail at first?
Tuesday, September 6, 2016 by Lol pups

math
a shopkeeper bought some eggs at rupees 3 each.20 of them were broken while the rest were sold at 4 rupees each.if he made a profit of 20%,find how many eggs he bought
Tuesday, September 6, 2016 by madina

math
The volume of rectangular solid is x^3 +3x^2+2x-5) cubic cm and its height (x+1 )cm.what is the area of its base
Tuesday, September 6, 2016 by yram

math
the sum of two numbers is 80.if the larger number exceeds four times the smaller one by 5.the number is work x+y=80, 4x-y=5
Tuesday, September 6, 2016 by tsa

Math
Write three equivalent ratios for 15/9
Monday, September 5, 2016 by Sabrina

math
a proton in a magnetic field follows a path on a coordinate grid modeled by the function f(x) = x^4-2x^2-15. what are the x-coordnates of the points on the grid where the proton crosses the x-axis?
Monday, September 5, 2016 by Jourrapide

math
Vista county is setting aside a large parcel of land to preserve it as open space. the county has hired Meghan's surveying firm to survey the parcel which is in the shape of a right triangle. the longer leg of the triangle measures 5 miles less than the square of the ...
Monday, September 5, 2016 by Jourrapide

Math urgent
X,Y and Z can do a piece of work in 15 days. If X takes twice as much as Y and Z together and Y takes thrice as much as X and Z together, how long days will each take to finish a work.
Monday, September 5, 2016 by Rabin

math 1050
how do I find the answer to if the point (5,-3) is a point on the graph of f then f(?)=(?)
Monday, September 5, 2016 by sherie

math
A ridge beam rises 18 in. over a horizontal run of 72 in. Calculate the pitch of the roof and express it as a fraction with a denominator of 12.
Monday, September 5, 2016 by Jacquelyn

Math
The circumference of earth is about 40,030.02km. The formula for circumference is c=2(3.14)r.jennifer determines the radius of earth is about 12,700km.use estimation to determine if Jennifer measurement is reasonable.
Monday, September 5, 2016 by Kari

math
give me an answer . Chris has a 10 foot long strip of red ribbon and a 15 foot long strip of blue ribbon. draw a diagram to show the relationship of the length of the red ribbon to the length of the blue ribbon
Monday, September 5, 2016 by Anonymous

math
Before it can be used, a 12-ounce container of liquid fertilizer must be mixed with 48 ounces of water. What fraction of fertilizer is in the final mixture?
Monday, September 5, 2016 by Jacquelyn

math
A printer has 15 rolls of newsprint in the warehouse. What fraction of this total will remain if 6 rolls are used?
Monday, September 5, 2016 by Jacquelyn

math age problem
I am 10 less than four times my age six years ago how old am I now
Monday, September 5, 2016 by ed

Math
Chris has a 10 foot long strip of red ribbon and a 15 foot long strip of blue ribbon. A] draw a diagram to show the relationship of the length of the red ribbon to the length of the blue ribbon. B] write a ratio to describe the relationship of the length of the red ribbon to ...
Monday, September 5, 2016 by Samantha

MATH HELP
Two sides of a triangle have lengths of 8 inches and 12 inches. What could be the length of the third side? A) 2 in B) 4 in C) 16 in**** D) 20 in
Monday, September 5, 2016 by CheesePizzaLover373736527

MATH HELP CHECK ANSWER
Dino used three pieces of string to make a model of a triangle in art class. the lengths of two of the pieces of string were 3 inches and 7 inches. which could be the length in inches of the third piece of string dino used? A) 2 B) 8 C) 5**** D) 3
Monday, September 5, 2016 by Phobiah

Math
Factoring using the GCF x^3y^4 + x^2y^2=
Monday, September 5, 2016 by Meg

math
Home Center sells rectangular picture frames. The ratio of the length to the height in centimeters is 7:5. What would be the length of a frame that is 15 centimeters high?
Monday, September 5, 2016 by sarah

Math Please Help
5. Shara's new lawn sprinkler watered a circular area with three times the radius of the old sprinkler. How many times greater was the area watered by the new sprinkler than the area watered by the old sprinkler? a)3 b)6 c)9 d)36 6.How many x-intercepts does the graph of ...
Monday, September 5, 2016 by MrHardPistachioToCrack

MATH HELP PLEASE ASAP
A line segment has end points of (4, -4) and (0, 5). What are the coordinates of the midpoint of this line segment? A) (2, 1/2) B) (-2, -9/2) C) (4, 1/2) D) (8, -13)
Monday, September 5, 2016 by I'madumbidiot

MATH PLEASE HELP I BEG
Cynthia used some of the ordered pairs from the set below to make a new set. {(4, –3), (–2, 5), (5, 4), (7, 2), (2, –7)} She wrote the domain of this set as {2, 4, 5}. Which ordered pairs from the original set did Cynthia use to make her new set? a)(–2, 5...
Monday, September 5, 2016 by I'madumbidiot

math
can I distrubute this? 4pi (M/2pi*RT)^(3/2) ?
Monday, September 5, 2016 by Anonymous

Math
A ferrari is heading west at 30 m/s. A Cop turns on its lights and the ferrari speeds up to 60 m/s in 7 seconds to outrun the police. What was the acceleration of the ferrari?
Monday, September 5, 2016 by L

math
Mr. Rozario bought some numbers of apples and oranges in a ratio of 2:3. He gave away 2/3 of the apes to his sister and 23 oranges to his brother. The ratio of the number of apples to the number of oranges that he has now is 3:2. How many apple did he buy?
Monday, September 5, 2016 by Sydney

math
PQ and RS are 2 parallel chords of a circle such that PQ = 8 cm & RS = 6 cm. If the chords are on the opposite sides of the centre and distance between them is 4 cm. find the radius of the circle
Monday, September 5, 2016 by cirlcles

Math
If there are 5 boys and 7girls, in how many ways can 5 boys and 5girls sit in a round table? Is the ans : 5!*4!*7c5? Reason: since there are 5 boys so (5-1)! And left 5 seats for girls so 7c5 and within the girls theres 5 diffrent ones so another 5!
Monday, September 5, 2016 by Math

math
Y=Ax^2+Bx has agradient of 7 at the point (6,8) ,find the constant numbers of A and B ? *calculus*
Monday, September 5, 2016 by A.rahman

math
Mary has two tanks of fish. If she transfers 15 fish from the larger tank to the smaller tank then the number of fish in the smaller tank will be 5/7 of the number of fish in the large, tank. Given that there are 35 fish in the smaller tank originally, find the number of fish ...
Monday, September 5, 2016 by Kate

math
As part of the 'Learning Journey' program, 73 pupils travelled on two buses, one air-conditioned and one non-air-conditioned, to the Singapore Discovery Centre. Three-fifths of the pupils on the air-conditioned has wee girls. There were 17 boys in the non-at, ...
Monday, September 5, 2016 by Kate

math
The mathematics club in a school has 53 members. 5/7 of the girls members and 3/5 of the boys members are from lower secondary. The total number of lower secondary members is 35. How many members of the club are boys?
Monday, September 5, 2016 by Kate

Math
A number has 6 in the hundredths place. The number also contains a digit whose value is 1/10 the value of 6 in the hundredths place.
Monday, September 5, 2016 by Kyle

math
8 janitors can clean the college grounds in 3 hours. how long will it take 6 janitors to clean the college grounds?
Monday, September 5, 2016 by Arvee

Math
If helen can type 150 words in 5 minutes how long will it take her to type 2400 words
Monday, September 5, 2016 by Kenya

MATH
A FACTORY IS TO PACK PENCILS IN BOXES OF 8 AND 10 PIECES WHAT IS THE SMALLEST NUMBER OF PENCILS THAT CAN BE PACKED USING THE BOXES? SHOW YOUR SOLUTION
Monday, September 5, 2016 by MIER MICHELLE

math
write down your age. add 5 to it.Multiply the sum by 2. subtract 10 from it. next divide it by 2. what do you get?
Monday, September 5, 2016 by deepika

Math
Orange juice concentrate is mixed with water in the ratio 1 pary concentrate to 5 parts water.How many parts orange juice are needed for 25 parts of water?
Monday, September 5, 2016 by Kenya

Math
A farmer had sheep and end.altogether 124 legs, how many sheep and hens
Monday, September 5, 2016 by Jacob

Math
I am the largest 5 digit number where no number is repeated.I am... please help
Monday, September 5, 2016 by Ayu

math
there are 36 rows in a cinema hall.if the capacity of the hall is 600 people at a time then what will be the minimum number of seats in each row?
Monday, September 5, 2016 by aryan mahesh

Math
One positive number is one-fifth of another number. The difference between the two numbers is 160, find the numbers.
Monday, September 5, 2016 by Bsal

Math
How many sets of 3 primes sum to 20?
Monday, September 5, 2016 by Ryan

Math
5x -7(2-4x)
Monday, September 5, 2016 by Angel

Math
The sum of five consecutive numbers is 645. Find the numbers.
Monday, September 5, 2016 by Deepika

Math
Ali has a rectangular pool around which he wants to construct a fence. The pool is 10 m long and 6 m wide, and he wants the fence to be 2 m from the edge of the pool on all sides. He want to pave the area around the pool and within the fence. How many square metres of paving ...
Monday, September 5, 2016 by Titin

math
if V(r)=4/3 pir^(3) find (v2r)/(vr)
Monday, September 5, 2016 by Stephen

Math
Logarithms 3^x-2=18 Work log(3^x-2)=log18 (x-2)log3=log18 xlog3-2log3=log18 x=log3/(log9-log18) e^3x+1=10 lne^3x+1=ln10 3x+1=ln10 I'm stuck here 8^x=5^2x-1 xlog8=(2x-1)log5 xlog8=2xlog5-log5 x=log10/(log5-log8) Are these right?
Monday, September 5, 2016 by jackson

Math
In a group of 54 candidates, 16 are female and the remaining are male. If four are to be randomly selected, what is the probability that there will be only female candidates selected? 17 coins and 1 six-sided number cube are tossed together. What is the probability of getting ...
Sunday, September 4, 2016 by Jason

Math College 115
You spend $1000 on a computer and for tax purposes chose to depreciate it (or assume it decreases in value) to $0 at a constant rate over a 4-year period. a) calculate the rate of chage of the assumed value of the equipment over 4 years. The rate of change is____ b) create a ...
Sunday, September 4, 2016 by Hazle

Math
Let K(x)= (sin(3x-7)) / (e^x-2) (I'm sorry if it is not clear here, but the denominator in K(x) has the natural number, e, to the power of just x. So "x-2" is not the exponent. "x" is the exponent). The Question: Does K(x) have a horizontal asymptote? (...
Sunday, September 4, 2016 by Stephen

Math
A taxi company charges a flat fee plus an amount per mile. A journey of 10 miles costs £7 and a journey of 15 miles costs £9. What would you pay for a journey of 8 miles?
Sunday, September 4, 2016 by Bejoy

Math College 115
A hiker can walk 2 miles in 43 minutes. What is his average speed in miles per hour? Round your answer to two decimal places. The hiker's average speed is ___ miles per hour. What formula can be used to find the distance travel, d, in miles in t hours?
Sunday, September 4, 2016 by Hneo

Math
What is 6.4 divided by 8 equal and can you show work please.
Sunday, September 4, 2016 by Tash

Math College 115
Create a formula for converting degress centigrade, C, to degrees Fahrenheit, F, if for every increase of 5 degrees centigrade the Fahrenheit temperature increased by 9 degrees, with an initial point of (C,F)= (0,32) Enter the exact answer. F=_________
Sunday, September 4, 2016 by Naeb

Math
Eight increased by the product of 2 and two less than a number
Sunday, September 4, 2016 by Elizabeth

Math
How do u evaluate and put 2.0*10^-7/8.0*10^-9
Sunday, September 4, 2016 by Nina

Math
A number has three distinct digits. The sum of the digits equals the product of the digits. How many three-digit numbers satisfy this condition?
Sunday, September 4, 2016 by Ryan

Math
The sum of the opposite of a number and the absolute value of the number is equal to the number itself.True,sometimes true,never true?
Sunday, September 4, 2016 by Sarah

Math Algebra
How can I solve this problem? A circle has diameter [AB]. The centre of the circle is (1,3), and B has coordinates (4,-1). # Find the coordinates of A. # Find the length of the diameter. HELP ME PLEASE
Sunday, September 4, 2016 by CC

Math
The perimeter of a small rectangular garden is 18 feet. if the length is twice the width, find the width and the length of the garden.
Sunday, September 4, 2016 by Katelyn Haggard

Math
The sum of the opposite of a number and the absolute value of the number is equal to the number itself. True,sometimes true,or never true?
Sunday, September 4, 2016 by Sarah

math
if it takes 12 cooks 2 hours to bake 3 cakes, how many hours would it take for 8 cooks to cook 6 cakes?
Sunday, September 4, 2016 by dara

Math
Ali has a rectangular pool around which he wants to construct a fence. The pool is 10 m long and 6 m wide, and he wants the fence to be 2 m from the edge of the pool on all sides. How many metres of fencing will he need
Sunday, September 4, 2016 by Tintin

Math
How many five-card hands chosen from a standard deck contain two hearts and three spades? How do I solve this?
Sunday, September 4, 2016 by John

Math
Use a tree diagram or systematic list to determine the number of ways a nickel, a dime, and a quarter can be flipped to get exactly one tail.
Sunday, September 4, 2016 by Joseph

Math
A eighteen-sided die is rolled three times. In how many ways can this happen? How would I solve this problem?
Sunday, September 4, 2016 by Harry

Math
Write an algorithm to evaluate the average height in class. Get the lengths of the class from the user. Trace your program and show your results.
Sunday, September 4, 2016 by Anonymous

math
2 cars need 8days to remove sand. Additional car joined the work from day 4 to to reduce the time. when will they remove all the sand. -6 days -6 1/3 days -6 1/4 days -7 1/3 days please show steps Thanks in advance.
Sunday, September 4, 2016 by Mike

math
The mathematics club in a school has 53 members. 5/7 of the girls members and 3/5 of the boys members are from lower secondary. The total number of lower secondary members is 35. How many members of the club are boys?
Sunday, September 4, 2016 by Waqas

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