Saturday
July 30, 2016

# Homework Help: Math

## Recent Math Questions

Math/Conversions
Good afternoon, could someone please help me with this? The answer is 22 1/2 oz. Doctor instructs pt to drink 1 L (33 4/5oz) of water. An hour later you find 1/3 L left. How many ounces did Ms. White consume? This is what I keep getting. I think I may be doing the wrong ...
Tuesday, June 21, 2016 by Anonymous

math
a ;unch menu has 4 differnt sandwhiches
Tuesday, June 21, 2016 by rehan

Math (pre-celc 12)
A true false test has 15 questions. How many answer keys are possible of the answer to 6 of the questions is false and 9 are true? I think this is a permutation and not a combination because each answer key would be different depending on the order of which are true or false. ...
Tuesday, June 21, 2016 by Jana

Math Geometry
Polygon ABCD is similar to polygon WXYZ, and and are corresponding sides. You know the perimeter of each polygon, and you know the measure of BC. What can you find? A. Measure of all sides of both polygons B. Measure of <A and <W C. Area of each polygon D. Measure of XY
Tuesday, June 21, 2016 by Seth

Math
The 3 digit number in which the ones digit is three times the tens digit and the tens digit is three times the hundred digit.
Tuesday, June 21, 2016 by Anonymous

math
Tuesday, June 21, 2016 by jane

math
The equation below models the height in feet, h, of a softball t seconds after it is hit by a batter. mc023-1.jpg Why is the height of the ball a function of time?
Tuesday, June 21, 2016 by marquan

math
what part of a quarter is 2 pennies 2 nickels and 1 dime???
Tuesday, June 21, 2016 by tasu

math
a motion was adopted by a vote of 5 to 3.what part of the total vote was against the motion? ans is 3/8. couldnt get the question and answer?please reply
Tuesday, June 21, 2016 by tasu

math
A chord subtends an angle of 68 degrees at the center of a circle of radius 200mm.find the chord length.
Tuesday, June 21, 2016 by brenda

math
place value of 2.435
Tuesday, June 21, 2016 by may

math
a motion was adopted by a vote of 5 to 3.what part of the total vote was against the motion?
Tuesday, June 21, 2016 by tasu

math
Filling each 5 cars with the same amount of fuel empties 3/4 of a gasoline storage tank.what part of the total capacity did each vehicle receive?
Tuesday, June 21, 2016 by tasu

Math
The difference of a number and its opposite is 28. Find the number
Tuesday, June 21, 2016 by John

Math
Study ways of raising a loan to buy a car or house e.g. bank loan or purchase a refrigerator or a television set through hire purchase the
Monday, June 20, 2016 by Harsh

Math
Hey! So, I've been working on this problem for awhile but I'm currently a bit dumbfounded on how to solve it. I think this question has been answered before but I still don't quite understand how it works or how to explain it. The problem is as follows: |z|^2 -2(...
Monday, June 20, 2016 by Z

Math
If 6" equals 120' how many inches equals 22'
Monday, June 20, 2016 by Johnnie

Math
A class of 23 students was using square tiles to build rectangular shapes. Each student had more than 1 tile and each had a different number of tiles. Each student was able to build only one shape of rectangle. All tiles had to be used to build a rectangle and the rectangle ...
Monday, June 20, 2016 by Joseph

Math
the length of rectangle is 5 cm more than twice its width. if the area is 52 cm^2,find its dimensions
Monday, June 20, 2016 by Rainie

Math
find the set of numbers each of which is 30 less than its own squares.
Monday, June 20, 2016 by Rainie

Math (pre-celc 12)
In how many ways can a school president, a vice-president, and secretary be chosen from 21 students? I'm not sure to find this answer since there is no order in which they are chosen.
Monday, June 20, 2016 by Jana

math
Write this as a numerical or algebraic expression 26 more than n My answer is n=26+n
Monday, June 20, 2016 by Aaric

Math (pre-celc 12)
BC Place has 16 gates. In how many ways can you enter and leave the stadium by any gate? I'm not sure if this this is a combination or a permutation. I think it's a permutation and my answer is 256 ways. Thanks for the help.
Monday, June 20, 2016 by Jana

math
radio signal travels 3.00*10^8 meters per seconded. how many seconds will it take for a radio signal to travel from a satellite to the surface of earth if the satellite is orbiting at a height of 3.54*10^7 meters? I am so confused @Mrssue

Math
Assume an 18-month CD purchased for $7000 pays an APR of 3% compounded monthly. What is the APY? Monday, June 20, 2016 by Kinsey Math A rectangular compound has the dimensions 6m by 10m A square carpet is laid in the centre of the compound. the carpet is 3m by 3m. Find the part of the compound that is uncovered by the carpet. Monday, June 20, 2016 by Anonymous Math Area of an arc with diameter of 7cm and an angle of 60degrees Monday, June 20, 2016 by val math Leo is looking down, from the roof of a building, at a dump truck that is parked on the road. The angle of depression to the front of the truck is , and the building is 37 m tall. What is the distance between the base of the building and the front of the truck? Monday, June 20, 2016 by shade math Lucas is designing a flower garden in the shape of an isosceles right triangle. He has created a scale diagram. The lengths of the perpendicular sides in the scale diagram are 7 cm, and the hypotenuse of the real garden will be 3 m long. What is the area of the real garden? Monday, June 20, 2016 by shade Math Three seta of lights blink after 6 seconds, 8 seconds and 12 seconds respectively. What is the least number of seconds it would take for the lights to blink together. Monday, June 20, 2016 by Joanne math Lucas is designing a flower garden in the shape of an isosceles right triangle. He has created a scale diagram. The lengths of the perpendicular sides in the scale diagram are 7 cm, and the hypotenuse of the real garden will be 3 m long. What is the area of the real garden? A... Monday, June 20, 2016 by shade Math(Please Help Me, Assignment Due) The Edmonton rush is one of nine teams that play in the national lacrosse league. The weights of the 2013 Edmonton rush players are shown. Weight in Lbs. 160. 170. 170. 175. 180 185. 188. 190. 190. 190 194. 195. 200. 200. 200 205. 205. 210. 210. 210 210. 215. 245. A.) Explain ... Monday, June 20, 2016 by Courtney B. math DeWitt Company sells a kitchen set for$320. To promote July 4, DeWitt ran the following advertisement: Beginning each hour up to 4 hours we will mark down the kitchen set 8%. At the end of each hour, we will mark up the set 3%. Assume Ingrid Swenson buys the set 1 hour 30 ...
Monday, June 20, 2016 by monica

math
An Apple Computer Center sells computers for $1,192.80. Assuming the computers cost$10,080 per dozen. a. Find the dollar markup for each computer. (Round your answer to the nearest cent.) Dollar markup $b. Find the percent markup on cost for each computer. Percent markup % ... Monday, June 20, 2016 by monica math Arley’s Bakery makes fat-free cookies that cost$1.60 each. Arley expects 40% of the cookies to fall apart and be discarded. Arley wants a 35% markup on cost and produces 200 cookies. Assume that Arley can sell the broken cookies for $1.50 each. What should Arley price ... Monday, June 20, 2016 by alex math Working off an 18% margin, with markups based on cost, the Food Co-op Club boasts that it has 4,300 members and a 165% increase in sales. The markup is 33% based on cost. What would be its percent markup if selling price were the base? (Round your answer to the nearest ... Monday, June 20, 2016 by chelle math The planet Mercury travels 180,600 miles in its orbit during the 7 hours that make up a typical school day. Find the unit rate. Monday, June 20, 2016 by tyjuan carter Math I am a a seven-digit number my millions place is 5. My ten thousands and hundreds place is the difference between my millions place and hundreds place . And my remaining place value is 0 what number am l ? Monday, June 20, 2016 by Joy MATH My ones digit is 1.My tens digit is 2 ore than my ones digit.My thousands digit is the difference when my tens digit is subtracted from my hundreds digit.what number am I? Monday, June 20, 2016 by christine math write the largest 4-digit number using the digits 9 and 8.Use each digit twice Monday, June 20, 2016 by christine math if f(x)=x^3+3x^2-2x+4 find f(-2)+f(2)-f(0) Monday, June 20, 2016 by raghav math A number is 8 more than another number.If the product of the two numbers is 20.Find the numbers. Monday, June 20, 2016 by night math The gestation period of humans(266 days) is_________ percent longer than the gestation period of grizzly bears (220 days). Sunday, June 19, 2016 by Anonymous math If the sum of first four terms of GP is 30, sum of last four terms of GP is 960 and first term is 2 then find common ratio. Sunday, June 19, 2016 by Bhishma Math On a 20 question math test, your teacher gives you five points for every correct answer and takes away one point for each incorrect answer. If you score 70 on the test, how many did you get correct? Sunday, June 19, 2016 by Brian Math Describe a scenario where you expect a set of data to have A.) a large standard deviation B.) a small standard deviation The prize for winning a contest can be chosen from category a or category b. Prizes from category a have a mean of$1000 and a standard deviation of $50. ... Sunday, June 19, 2016 by Jenny math Find the smallest positive integer not relatively prime to 2015 that has the same number of positive divisors as 2015. Sunday, June 19, 2016 by david Math A cliff on the bank of a river is 250m high if d angle of depression of d point of d opposite side of the river is 50 degree,find the width of d river Sunday, June 19, 2016 by Esther Math On a 20 question math test, your teacher gives you five points for every correct answer and takes away one point for each incorrect answer. If you score 70 on the test, how many did you get correct? Sunday, June 19, 2016 by Brian Math At the Cafe, a lunch of iced tea, a veggie burger, and fries costs$7.56, with the fries costing twice as much as the iced tea. Next week at the Cafe, the price of the iced tea will increase 10% and the price of the veggie burger will increase 25%. After the increase, the same...
Sunday, June 19, 2016 by Jeff

Describe a scenario where you expect a set of data to have A.) a large standard deviation B.) a small standard deviation
Sunday, June 19, 2016 by Jenny

Math
For the function f(x)=sinx, show with the formula sin^2A=1/2(1-cos2A) that f(x+y)-f(x)=cosxsiny-2sinxsin^2(1/2y)
Sunday, June 19, 2016 by Anonymous

math
use digits 45678 only write the greatest number poossible with 7 in the ten thousands place
Sunday, June 19, 2016 by kirsten

math
How many terms of arithmethic sequence with the common difference of 4. And the first is equal to 3 and the last term 59??
Sunday, June 19, 2016 by ralph

Math
There are two alloys consisting of zinc, copper and tin. The first alloy contains 25% zinc and the second alloy contains 50% copper. The percentage of tin in the first alloy is twice that in the second alloy. 200 kg of the first alloy and 300 kg of the second are melted ...
Sunday, June 19, 2016 by Tamasa

math
If sin theta=1/3then find the value of 2cot^2+2
Sunday, June 19, 2016 by preeti

Math
If the thousands digit of a far digit number is increased by 1 how much is the number increased?
Sunday, June 19, 2016 by Jhanielle

math
Of the following, the closest approximation to [{198.27(.50120)}/2.02] ?
Sunday, June 19, 2016 by tasreef

math
what must be added to 2x^3 - 4x +9 to get 5x^ 3 -13
Sunday, June 19, 2016 by raghav

Math 5
A test in science is scored in the ff. way. Each correct response score 5 points while each wrong response scores 2 points. Ryan got 15 correct answers out of 20 item test. What was his score????❓❔
Saturday, June 18, 2016 by Koala

math
nth terms of 2,4,6,8,10
Saturday, June 18, 2016 by romelyne

Math
An object moves along the path x^2 - y^2 = 5. At the point (-3, 2),dx/dt = -4. Find dy/dt at that same point. I understand that dy/dt of the function is y' = x/y but I am not sure how to find it at that specific point. Could you please help? Thank you!
Saturday, June 18, 2016 by Jessica

Math Probability (Coin Flip)
Two People flip a coin, Each person flips it 50 times, Each person then counts the number of heads, What is the probability they both get the same number of heads?
Saturday, June 18, 2016 by Nisreen

MATH
FIND THE LENGTH OF AN ARC ANGLE IS 60 DEGREE AT THE CENTRE OF A CIRCLE OF RADIUS 3CENTIMETRE
Saturday, June 18, 2016 by EMMANUEL

Math
How much water do i need to mix with potassium chloride to make 30 cc
Saturday, June 18, 2016 by Randolph

Sydney drew a scale diagram of a circular fire pit in the centre of a circular patio with an actual circumference of 15m. The circle containing the fire put is a reduction of the circular patio by a scale factor of1/3. A.) Determine the diameter of the actual fire pit to the ...
Saturday, June 18, 2016 by Cherie

math
Use the digits 4,5,6,7 and 8 only once.Write the greatest number possible with 8 in the ten thousands place
Saturday, June 18, 2016 by Lian

Math
Janet bought 7 paperweights and altogether it weighed 1.4 so how much do one weigh
Saturday, June 18, 2016 by Anonymous

Math
Two ships leave a lighthouse from opposite directions.The speed of ship A is 8 Km/h faster than ship B. at the end of 60 hours the two ships are 4320 km apart. Find the speed of two ships
Saturday, June 18, 2016 by Mathesh

math
If x= \frac{ \sqrt{a+2b} + \sqrt{a-2b} }{ \sqrt{a+2b} - \sqrt{a-2b} } Show that: bx^2-ax+b=0
Saturday, June 18, 2016 by raghav

math
if a=5-2\sqrt{6} then find the value of a^2+\frac{1}{a^2}
Saturday, June 18, 2016 by raghav

math
a garden 7m by 12m will be expanded by planting a border of flowers,the border will be of the same width around the entire garden and has an area of 92m
Saturday, June 18, 2016 by jane

math
If the zeroes of the quadratic polynomial x^2+(a+1)x+bare 1& -3 find a&b
Saturday, June 18, 2016 by preeti

math
Find the zeroes v^2+4root3v-15 & also verify relation b/w zeroes & its coefficient.
Saturday, June 18, 2016 by preeti

Math
The diagram Shows a right-angled triangle abc in which ab =12 cm and Ac=15 cm Show that the length of bc is 9 cm
Saturday, June 18, 2016 by Akilesh

math
still need help: Write an arithmetic sequence that has a common difference of 4 and the eighth term is 13. What is the first term? What is the 23rd term in the sequence
Saturday, June 18, 2016 by Randy

math
The sum of two numbers exceeds thrice the smaller by 2.if the difference between them is 19,find the numbers
Friday, June 17, 2016 by ekta

Math science everything
I need help! I have been trying to poop for an hour and nothing is coming out. It really hurts and smells really bad! Please Help!!
Friday, June 17, 2016 by HELP PLEASE

Math
If 6 drums of oil will heat 5 buildings for 3 days, how many days will 10 drums of oil last when heating 2 buildings? Is it 12.5 days?
Friday, June 17, 2016 by Gina

math
1. Examine the first four terms in each of the following number sequences: *2, 7, 12, 17 my formula x+5 *7, 21, 63, 189, 567 my formula x(2)+x *1000, 850, 700, 550 my formula x-150 * –10, –6, –2, 2 my formula x+4 For each sequence, what would be the 20th and ...
Friday, June 17, 2016 by cindy

math
How many possible points so that the x-coordinate an the y-coordinate are additive inverses of each other, and the differnce of the coordinates is 10.
Friday, June 17, 2016 by bob

Math
Given that tanè = -5 and è is in the 2nd quadrant, compute exactly: A. sin(è) B. cos(è) C. tan(2è)
Friday, June 17, 2016 by John

Math
A bushel is a unit of volume often used to measure dry, agriculture commodities and one bushel is approximately 32 L. A 1:50 scale model of a grain bin is capable of holding 0.112 bushels. How many bushels can the full size bin hold? The answer is 14,000 bushels, but I don'...
Friday, June 17, 2016 by Shayla

Math
A light pole of height 15 meter has a lamp hanging at its top . from a distance 12 meter from the base of the pole , a ball is thrown vertically upwards with velocity 5m/sec . find the rate at which the shadow of the ball on the earth moves away from the base of the pole after...
Friday, June 17, 2016 by Momen

Math (pre-celc 12)
I need to prove this identity: cot(x)+tan(x)=csc(x)sec(x) I get as adding them together, but then I get stuck.
Friday, June 17, 2016 by Jana

Math
In the NFL, a division consists of 4 teams, each of which plays each other team twice. Assume that in any game, either team is equally likely to win (and there are no ties). What is the probability that, at the end of the season, the division has neither a perfect team with 6 ...
Friday, June 17, 2016 by Bobby

Math (pre-celc 12)
I'm not sure how to get the final answer for this question I get stuck halfway thru. Simplify using sum and difference identities: cos((3pi/2)-x) I think the answer is supposed to be -sin(x) Thanks!
Friday, June 17, 2016 by Jana

Math
∆ABC has the points A(1, 7), B(-2, 2), and C(4, 2) as its vertices. The measure of the longest side of ∆ABC is units. ∆ABC is triangle. If ∆ABD is formed with the point D(1, 2) as its third vertex, then ∆ABD is triangle. The length of side AD is ...
Friday, June 17, 2016 by Lola

math
two thirds of a sum of money is two euro and twenty four cent.What is one quarter of the sum of money?
Friday, June 17, 2016 by Roxy

math
Determine the volume of a candle mould with a diameter of 7cm and height of 13 cm. Round your answer to the nearest 100 cubic centimeters.
Friday, June 17, 2016 by help

math models
A force of 19 newtons is applied on a cart of 2 kilograms, and it experiences a frictional force of 1.7 newtons. What is the acceleration of the cart
Friday, June 17, 2016 by Anonymous

Math
The sum of the ages of a father and his son is 62 years. 15 years ago, the father was 7 times as old as his son. How old is the son now?
Friday, June 17, 2016 by Saras

Math
Gerald reads 120 pages of a book in 4 days. If he always reads 6 more pages than the previous day,find the number of pages he reads on the first day.
Friday, June 17, 2016 by Hummers

Math
A circular copper wire of radius 7cm is bend to form a rectangle. If the breadth and the length of the rectangle are in the 4:7 respectively. What is the breadth of the rectangle?
Friday, June 17, 2016 by Rinku

Math
A circular copper wire of radius 7cm is bent to form a rectangle. If the breadth and the length of the rectangle are in the ratio 4:7 respectively. What is the breadth of the rectangle?
Friday, June 17, 2016 by Rinku

math
rationalize the denominator of: (4 sqrt3+5sqrt 2)/(sqrt48 +sqrt18) (5 +sqrt3)/(7-4 sqrt3)
Friday, June 17, 2016 by raghav

math
insert a rational number between following: 0.25 and 0.26 3.413and 4.314 4.13692 and 4.4568 sqrt3 and sqrt5
Friday, June 17, 2016 by raghav

math
Of the following integers, which is the closest approximation to ... Of the following, the closest approximation to [{198.27(.50120)}/2.02] ?
Friday, June 17, 2016 by tasreef

math
2/3-7/12+2/9
Friday, June 17, 2016 by simfly

Math
Find the measure of Angle 1 and 2 measure of angle 1 = x measure of angle 2 = x-6 the measure of angle 3 is a right angle which would be 90 degrees diagram looks like a T with another line coming from the upper left diagonally like from where the T the top line of the T and ...
Friday, June 17, 2016 by Gerry

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