Sunday
December 4, 2016

# Homework Help: Math

## Recent Math Questions

Math
In scientific notation, what is the product of 1.2 × 10^3 and 1.4 × 10^2? Express your answer to two significant figures. Can you also explain how to do this? Thanks!
Friday, November 11, 2016 by Kaitlyn

Math
You receive a new poster for your birthday.The poster is 9 inches wide and you want to center it on your 30 inch wide door.How far from each edge will you need to place the poster?
Friday, November 11, 2016 by Mya

Math
A plane is 400 miles west of city A and is flying west at 400 miles per hour. How long will it take for the plane to be 1940 miles west of city A?
Friday, November 11, 2016 by Kieth

Math
A week has five school days and two weekend days.
Friday, November 11, 2016 by Juan

math
Hi can you please tell me if im right on my math practice 1. 4 2/5 - 1 7/10 = A. 2 3/10 B.2 7/10 C.3/ 1 10 D.2 9/10 2. 5 2/3- 2 1/3 A. 3 1/6 B. 3 2/3 C.3 1/2 D.3 5/6 my answers 1. 2 7/10 2. 3 1.6 please respond as soon as possible thank you very much for your help. ;)

math
how do i raise this to the power : (m n)^5
Friday, November 11, 2016 by Reniey

math
A student has passed 60 percent of the 20 quizzes he has written so far successfully. If the student writes 50 quizzes during the year, and passes 80 percent of the remaining quizzes successfully, what would his average percentile be? same with this one
Friday, November 11, 2016 by allie

math
The ratio of the number of Mimi’s Eminem cd’s to the number of Rita’s Eminem cd’s is 5:8. Rita has 18 more Eminem cd’s than Mimi. If Rita gives 22cd’s to Mimi, what will be the new ratio of the number of Mimi’s Eminem cd’s to Rita’s...
Friday, November 11, 2016 by allie

math
I am a two digit number my ones digit is the double of my tens digit two of my divisor are 8and 12
Friday, November 11, 2016 by jana

Math
The triangle in the trapezoid share a 15 inch base and a height of 10 inches. The area of the trapezoid is less than twice the area of the triangle. Find the values of X. X is greater than --- and x is less than 15 inches.
Friday, November 11, 2016 by Liz

An investor has $500000 to spend. There investments are being considered, each having an expected annual interest rate. The interest rates are 15, 10 & 18 percent respectively. The investors goal is an average return of 15 percent in the three investments. Because of the ... Friday, November 11, 2016 by Abdul Math A number becomes 9 ones and 18 tenths when it is rounded off to 1 decimal place. What is the greatest possible value of original number? Friday, November 11, 2016 by MD MERAJ finite math The Taylors have purchased a$170,000 house. They made an initial down payment of $30,000 and secured a mortgage with interest charged at the rate of 9%/year on the unpaid balance. Interest computations are made at the end of each month. If the loan is to be amortized over 30 ... Friday, November 11, 2016 by corey carter finite math The price of a new car is$32,000. Assume that an individual makes a down payment of 25% toward the purchase of the car and secures financing for the balance at the rate of 7%/year compounded monthly. (Round your answers to the nearest cent.) What will the interest charges be ...
Friday, November 11, 2016 by corey carter

Math
for a cub scout meeting, the leader bought 4 pizzas, and 1 1/2 of the pizzas contained pepperoni. the scouts ate 5/6 of the pizzas that contained pepperoni. the remaining pizza that contains pepperoni represents what fraction of the 4 pizzas that the leader bought?
Friday, November 11, 2016 by Stacy

Math
An architect is designing a house in which a 104 square foot room and a 130 square foot room share a wall. What is the greatest possible integer length of the shared wall? Is it the greatest common factor?
Friday, November 11, 2016 by RonA

Math
Mike write 5 1/2 pages of a report in 2 1/3 hours. What is the average number of pages you write per hour? 5 1/2 divide by 2 1/3? 11/2 divide by 7/2 11/2 X 2/7 = 22/14 = 1 8/14??
Friday, November 11, 2016 by RonA

Math
The tires on a car are 25 inches in diameter. If the car is moving at a constant speed of 65 miles per hour, how many rotations per second is the front left tire making? Express your answer as a decimal to the nearest tenth. (1 mile = 5280 feet)
Friday, November 11, 2016 by Kaitlyn

Math
A bag of wood chips weighs 12.4 lbs. how much does a bag containing 0.42 times as many wood chips weghs?
Thursday, November 10, 2016 by G

Math
Next number in this sequence: -2, 0, 7, 22, 48?
Thursday, November 10, 2016 by Alexander

math
2 1/8 divided by 3 1/4= a.68/104 b.221/32 c.17/26 d.6 29/32
Thursday, November 10, 2016 by Jessie

Math
The school band is comprised of middle school students to the number of high school students was 1:8. However, this year the ratio of middle school students to high school students changed to 2:7. If there is 18 middle school students in the band , how many fewer high school ...
Thursday, November 10, 2016 by Breanne

Math
Find the sum of each series by using appropriate formulas. Show your work. MY WORK: (N is the last number in the sequence) 1+2+3+...+230 n(n+1)/(1*2) 4+8+12+...+360 n(n+4)/)4*2) 1+3+5+...+123 ((n+1)/2))^2 The problem: 53+59+65+...+233 n(n+6)/(6*2) 233(239)/12 = decimal??? ...
Thursday, November 10, 2016 by David

Math
It costs $20 plus$1.50 per hour to rent a golf cart. Find an equation showing the relationship between the cost of renting a cart (y) and the number of hours it was rented (x)???? Plz I really don't understand this
Thursday, November 10, 2016 by Farrha

Math
Which two square roots are used to estimate ?5? ?1 and ?2 ?2 and ?4 ?4 and ?9 <== 3 ?9 and ?16 Estimate the value of ?45 to the nearest integer. -7 6 -6 7 <== 4 An estimate for -?66 is -6. -7. -8. <=== 3?? -9. An estimate for ?3 is 1. 1.2. 1.7. <=== 3?? 2. An ...
Thursday, November 10, 2016 by Randall

Math
Simplify (Log75+log9+log5)÷(log5+log45)
Thursday, November 10, 2016 by Eric

Math
I don't understand stand this 20y+1.50x=?????
Thursday, November 10, 2016 by Lee

math
In triangle $ABC$, $BC = 20 \sqrt{3}$ and $\angle C = 30^\circ$. Let the perpendicular bisector of $BC$ intersect $BC$ and $AC$ at $D$ and $E$, respectively. Find the length of $DE$.
Thursday, November 10, 2016 by InfaRed

Math
Plz help me find the cost $20 plus$1.50 per hour to rent a golf cart
Thursday, November 10, 2016 by Farrha

math
Triangle $ABC$ is a right triangle with right angle at $A$. Suppose $\overline{AX}$ is an altitude of the triangle, $\overline{AY}$ is an angle bisector of the triangle, and $\overline{AZ}$ is a median of the triangle, and $\angle XAY = 13^\circ$. If $X$ is on $\overline{BY... Thursday, November 10, 2016 by InfaRed 8the grade math use a grid and lengths of line segments to give a geometric argument Thursday, November 10, 2016 by Anonymous math Altitudes$\overline{XD}$and$\overline{YE}$of acute triangle$\triangle XYZ$intersect at point$H$. If the altitudes intersect at a$123^\circ$angle, and$\angle YXH = 26^\circ$, then what is$\angle HZX$in degrees? Thursday, November 10, 2016 by InfaRed Math Define the unit in word form 19*15 = 19(?) Thursday, November 10, 2016 by Guri Math Explain why you would make one of the addends a tens number when solving an addition problem Thursday, November 10, 2016 by John risner Math How do you do cos Question cos 56 + 16 to the power of 2 Thursday, November 10, 2016 by HELP PLEEEZ I HAVE A TES TOMMOROW Math Suppose v varies directly as a g,and v=36 when g=4 find v when g=11 Thursday, November 10, 2016 by Anonymous Math Justine has 162 red buttons, 98 blue buttons, and 284 buttons. She says she knows she has more than 500 buttons without adding. How can we explain that without adding? Thursday, November 10, 2016 by Kylie Math The possible values of xx are given by x+8â‰¤6. The greatest possible value of 7x is|___|. Thursday, November 10, 2016 by Madeline Math An airplane traveled 300 km northeast in 2 hours. Find the velocity of the plane. Thursday, November 10, 2016 by talynn Wells Math The solution of d+s>?3 is d>?7. What is the value of s? Thursday, November 10, 2016 by Madeline Math The ratio of Orange socks to green socks in Terrys drawer was 4 to 5.which of the following combinations could not be the actual numbers of Orange to green socks in Terry`s drawer? Thursday, November 10, 2016 by Nikol math a recipe calls for 2 3/4 cups of milk and i want to make it 1 1/2 times smaller. How much milk do I need? Thursday, November 10, 2016 by Anonymous Math Input 10 output 55 Thursday, November 10, 2016 by Cade math He lays the long edge of the paper along the long edge of the frame several times and finds the frame is 4 papers long. How long is this in inches Thursday, November 10, 2016 by tanesha Math Cube root of 45 is between what two consecutive integers? Cube root of 258 is between what two consecutive integers? Thursday, November 10, 2016 by Vickie Math At the same time a 5 foot person cast a 2 foot shadow, a nearby flagpole cast a 10 foot shadow. How tall is the flagpole? Thursday, November 10, 2016 by Anthony Math Triangle ABC is an acute triangle. If all angles are measured to the hundredths,what is the smallest angle measurement? Thursday, November 10, 2016 by Anonymous Math, Precalc A fishing boat leaves port at 4 miles per hour at a bearing of 80? for 3 hours, then turns to a bearing of 0? at 3 miles per hour for 4 hours, and finally changes to a bearing of 200? at 6 miles per hour for 5 hours. At this point, the boat heads directly back to port at a ... Thursday, November 10, 2016 by Allison math six boxes of twinkies are in tent.Seven people want to equally share them. what faction of a box of twinkies will each person get? Thursday, November 10, 2016 by aa math ? Three boxes weighing 128 pounds each and one box weighing 254 pounds were loaded onto the back of an empty truck. A crate of apples was then loaded onto the same truck. If the total weight loaded onto the truck was 2,000 pounds, how much did the crate of apples weigh? Thursday, November 10, 2016 by cassandra Math The square root of twice a number is equal to one-third of that number. Find the number. Thursday, November 10, 2016 by Jim Math The diagonal of a rhombus are of lengths 8cm and 4cm. Find the length of its side and area of it. Thursday, November 10, 2016 by Done math How do I order the numbers 0.66,7/8,and 1/4 least to greatest???? Thursday, November 10, 2016 by jdogg Math The square root of twice a number is equal to one-half of that number. Find the number. Thursday, November 10, 2016 by Jim math james sold 450 tickets for the community play. Tickets for children cost$2, and tickets for adults cost $5. James sold$1,800 worth of tickets. How many tickets for adults did James sell?
Thursday, November 10, 2016 by nadia

1. Which of these numbers can be classified as both real and rational? A. 1/2 *** B. -1.016879413894 C. ?5 D. 0.89089908999 2.Which is both a real number and an integer? A. ?7 B. 0.15 C. -15 *** D. 1/3 3. What is an example of an irrational number? A. -?16 B. ?25 C. -?64 D. -?...
Thursday, November 10, 2016 by Doge

math
12, ?9, 6, ?3, .. whats the arithmetic function?
Thursday, November 10, 2016 by lola

Math
A box contains some white balls and some blue balls. There are 5 more blue balls than white balls. One ball is removed at random and not replaced. A second ball is then removed at random. The probability that the balls are different colours is 52/105. Find the probability that...
Thursday, November 10, 2016 by Courtney

Math
A box contains some red balls and some blue balls. There are four more blue balls than red balls. A ball is removed at random, replaced and a second ball randomly removed. The probability that the two balls are different colours is 21/50. How many balls of each colour are in ...
Thursday, November 10, 2016 by Courtney

Math
A regular analog clock that doesn’t have AM or PM on it loses 7 minutes per day. It is set to the correct time. How many full days will it before it has the correct time again
Thursday, November 10, 2016 by Astha

math
3a - 4 (<)+ 5
Thursday, November 10, 2016 by help !!! HELP ! PLSSSSSSSSSSSSS

Math
Tom leaves the outskirts of City A at 8 am and travels north to City B at a constant speed of 80 km/h. Cindy leaves from the same place at 8:30 am and takes the same route traveling at a constant speed of 100 km/h. At what time will Cindy overtake Tom along the road to City B?
Thursday, November 10, 2016 by Carl

math
3a - 4 (<) 5 I need help asap
Thursday, November 10, 2016 by math help pls

Math
Which number is a perfect cube A.3 B.15 C.65 D.567
Thursday, November 10, 2016 by Jasmin

Math
An open box is to be made from a square piece of material by cutting four-centimeter squares from each corner and turning up the sides (see figure). The volume of the finished box is to be 144 cubic centimeters. Find the size of the original piece of material.
Thursday, November 10, 2016 by Sue

math help
Hi and good afternoon to everyone who is reading this i need help with my math if any of you guys know i site where i can learn fractions better that would be great PS. plz dont be coolmath
Thursday, November 10, 2016 by Plz help

math pls help!!!
I am a 4th grader and i need help with these problems. 1. -6f X (7-+4)9>4t<l) A. 87t B. Defined Value **** C. #6 D. None of the above. 2. 58,385 X 957,482,002 A. -8 B. Undefined Integer C. g7 D. 536,482,995,102,847
Thursday, November 10, 2016 by babes

Finite math
Consider the following annuity scheme: regular payments of $200 are made every two months at the end of the month (in other words, there are six equally spaced payments over the year) into an account with a nominal rate of 6% compounded monthly. Note, this is not an ordinary ... Thursday, November 10, 2016 by Johnny math each letter represents a different number find the value of p,o and f that will make this puzzle true. pop+of=opp Thursday, November 10, 2016 by laura Finite math A bank account pays interest at 12% compounded monthly, and has a monthly fee of$10, deducted at the end of each month. If $13,000 is deposited on January 1, 2013, how much is in the account on January 1, 2016? I have done some question related to compound interest however ... Thursday, November 10, 2016 by Frank Math ? I have a dilemma; my English professor doesn’t give us our grades so I currently don’t know what percent I am at in the class. I really need to know since I need to know if I’ll be passing or not. He doesn’t grade anything with percent’s, and gives us ... Thursday, November 10, 2016 by Mark Math algebra To find the average of a set of test scores we divide the sum of the test scores by the number of test scores. On her first four algebra tests,Paula wests scored 88,92,97,and 96. Write an equation that can be used to determine the grade paula needs to obtain on her fifth test ... Thursday, November 10, 2016 by Serena Math 4. Find the measure of each interior angle of a regular polygon with 12 sides. 1800 degrees 150 degrees 180 degrees 145 degrees Thursday, November 10, 2016 by Embershy Math Identify the correct steps to graph the line y = 3x + 1. Question 3 options: Plot the point (0, 1) on the y axis. Then, plot the point (3, 0) and connect the two points. Plot the point (1, 0) on the x axis. Then, plot the point (0, 3) and connect the two points. Plot the point... Thursday, November 10, 2016 by Embershy math 3a - 4 (<) 5 pls help Thursday, November 10, 2016 by help please Math grade 6, four operations The sum of mr. brown's age& his sin's age is 38 yrs old this yr.4 yrs ago,mr. Brown was 5 times as old as his son. A. How old is his son this year? B. How old is mr. Brown this year? Thursday, November 10, 2016 by Peachie Math algebra The sum of the measures of the angles of a triangle is 180° Find the three angles of a triangle if one angle is 20° greater than the smallest angle and the third angle is twice the smallest angle. Thursday, November 10, 2016 by Marina math ( i need help asap ) pls 1. gavin needs to read at least 150 pages of his book this week . he has already read 82 pages . how many more pages p must gavin read this week ? a. 82+p >_ 150; p _> 68 b. p+ 82 _< 150; p _< 68** C. P-72 _> 150; P_> 222 D. P-82 _< 150; P _< 222 2. ... Thursday, November 10, 2016 by help please math Two buses start from same bus stand at 8 a.m. One travel 40km/h and other travel at 50km/h. The second bus reaches the next stop at 10 a.m. How much later will the first bus arrive Thursday, November 10, 2016 by kirti Math Ann has seven ballons. Molly has a set of ballons less than seven .how many ballons does molly have? Thursday, November 10, 2016 by Jina Math The ratio of the side length is 2:3:4. The shortest side is 15 inches. What is the perimeter? Explain. Thursday, November 10, 2016 by Anonymous math sum of ? 8400 is made up of 50,20,10 and 5 rupees notes. the number of 10 rupee notes is five times the number of 5 rupee notes, four times the number of 20 rupee notes and ten times the number of 50 rupee notes. what is the number of notes in each denomination ? Thursday, November 10, 2016 by ratio Math grade 6, 4 operations Deepak is 10 years old, and his brother is 7 years old. In how many years time will their total age be 41. Sandy,priscilla&florence shared 540 sweets.sandy took 90 sweets.florence took 3 times as many as the total number of sweets sandy&priscilla took.how many sweets must ... Thursday, November 10, 2016 by Peachie Math grade 6, 4 operations The sum of mr. brown's age& his sin's age is 38 yrs old this yr.4 yrs ago,mr. Brown was 5 times as old as his son. A. How old is his son this year? B. How old is mr. Brown this year? Thursday, November 10, 2016 by Peachie math What is the smallest 4 digit odd number that can be formed with the digits 4,7,3 and 5 Thursday, November 10, 2016 by angela cloe math Loyola heights has 3000 phones of which 3/5 are dial phones. If 2/3 of these dial phones are replaced by digital phones and 400 additional phones are installed, what fraction of the phones are digital now? Thursday, November 10, 2016 by iselle Math The stockholders’ equity at the beginning of the period was$200,000; at the end of the period, assets were $255,000 and liabilities were$40,000. If the owner made no additional investments or paid no dividends during the period, did the business incur a net income or a ...
Thursday, November 10, 2016 by J

math
Thursday, November 10, 2016 by Clara

math
Thursday, November 10, 2016 by Clara

Math
The track at Bronwyn's school is 1/4 mile around.If she can do 3 laps in 4 1/2 minutes,how fast is she running in miles per hour
Wednesday, November 9, 2016 by Veany

math
One side of a square is 2x + 5 centimeters long. The area of the square is ax^2 + bx + c square centimeters. What is the value of a + b + c? I litteraly dont undestand this problem at all please help me and guide me throught it.
Wednesday, November 9, 2016 by garry

math
Carbon-14 has a half-life of 5730 years. How long will it take 17 grams of carbon-14 to be reduced to 10 grams? Round to the nearest integer.
Wednesday, November 9, 2016 by mer

Math algebra
David Robertson works as a chemical engineer for U.S. peroxide Corporation. David has 2500 gallons of commercial-grade hydrogen peroxide solution that is 60% pure hydrogen peroxide. How much distilled water(which is 0% hydrogen peroxide) will David need to add to the solution ...
Wednesday, November 9, 2016 by Selena

Math
The track at Bronwyn's school is 1/4 mile around.If she can do 3 laps in 4 1/2 minutes,how fast is she running in miles per hour
Wednesday, November 9, 2016 by Veany

Math
When a number is a multiple of 6. What are the possible values for the ones digit?
Wednesday, November 9, 2016 by Anonymous

Math
A postal service says that a rectangular package can have a maximum combined length and girth of 108 inches. The girth of a package is the distance around the perimeter of a face that does not include the length. a. Identify an inequality that represents the allowable ...
Wednesday, November 9, 2016 by Madeline

Math
Write an inequality to represent the sentence. 1.A number y is no more than Ã¢Ë†â€&​#153;8. 2.A number tt multiplied by Ã¢Ë†â€&​#153;4 is at least Ã¢Ë†â€&​#153;...
Wednesday, November 9, 2016 by Madeline

Math
How many volleyball games would Rana have to schedule if there were 10 teams in the league and each team played each other twice?
Wednesday, November 9, 2016 by Kevin

Math
Key:8 | 3= 8.3 what does 7|2 mean in the same stem and leaf plot
Wednesday, November 9, 2016 by K

math
Nine friends share 12 pounds pecans equally. how many pounds does each friend gets equally?
Wednesday, November 9, 2016 by mandy