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April 19, 2014

Homework Help: Math

Branches of Math

Recent Math Questions

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Math
Use the pythagorean theorem. a^2+b^2=c^2
Tuesday, April 1, 2014 at 10:49pm

Math
The formula r=2sqrt(...)5L can be used to approximate the speed r, in miles per hour, of a car that has left skid marks of length L, in feet. How far will Acari skid at 20 mph?
Tuesday, April 1, 2014 at 10:46pm

Math
Darla is building a desk. To make sure she had made a square corner, she measures 7ft from the corner along one edge, and 8ft from the corner of the other edge. How long should the diagonal be between those two points if the corner is a right angle?
Tuesday, April 1, 2014 at 10:42pm

Math
-1/4
Tuesday, April 1, 2014 at 10:37pm

Math
http://hubpages.com/hub/What-are-the-Pro​perties-of-Addition-and-Multiplication
Tuesday, April 1, 2014 at 10:02pm

math
0.8 * 4 = ?
Tuesday, April 1, 2014 at 9:59pm

Math
What property is shown in the equation below? 6x0=0 a)zero property of multiplication b)inverse property of multiplication c)identity property of multiplication d)commutative property of multiplication
Tuesday, April 1, 2014 at 9:58pm

Math!!!
4/100 = x/80 100x = 320 x = 3.20 or take .2($4) = $ .80 after discount, cost = $ 4.00 - .80 = $3.20
Tuesday, April 1, 2014 at 9:56pm

math
Sam buys a lamp during the sale. There was a discount of 20%. If the original price is $4, what is the sale price?
Tuesday, April 1, 2014 at 9:52pm

Math
-4,-1/4,4,1/4
Tuesday, April 1, 2014 at 9:49pm

Math
did it here .... http://www.jiskha.com/display.cgi?id=139​6401662 give your posts a bit of time. You reposted this with only about 20 minutes in between. If tutors are online they may be answering somebody else's question while yours is waiting.
Tuesday, April 1, 2014 at 9:49pm

math
0.6 * 50 = ?
Tuesday, April 1, 2014 at 9:46pm

Math
What is y+3-4=5, with the sqrt.(...) sign over y+3
Tuesday, April 1, 2014 at 9:46pm

math
A pen is marked down 40% from the original price. The original price was $50. What is the sale price before sales tax?
Tuesday, April 1, 2014 at 9:44pm

math
By definition, parallel rays never meet.
Tuesday, April 1, 2014 at 9:43pm

Math
0.6x = 12 x = 12/0.6 x = 20 20 - 12 = ?
Tuesday, April 1, 2014 at 9:33pm

MATH UGH WORD PROBLEM
capacity of tank = π r^2 h = π(100^2)(40) = 400000π number of gallons = 7.5(400000π) = appr .....
Tuesday, April 1, 2014 at 9:30pm

Math!!!
Sam buys a lamp during the sale. There was a discount of 20%. If the original price is $4, what is the sale price? - Please put in proportion form!
Tuesday, April 1, 2014 at 9:15pm

math..help again
Got it.... Thanks so much!!!
Tuesday, April 1, 2014 at 9:14pm

Math
A shirt is on sale for 40% off. The sale price is $12. What was the original price? What was the amount of the discount?
Tuesday, April 1, 2014 at 9:13pm

math
90
Tuesday, April 1, 2014 at 9:11pm

MATH UGH WORD PROBLEM
About 7.5 gallons of water occupy one cubic foot. About how many gallons of water are in a clindrical water tank with dimensions with 100 ft radius and 40 ft height.
Tuesday, April 1, 2014 at 9:10pm

math
can a parallel rays form an angle explain
Tuesday, April 1, 2014 at 9:06pm

math
Jill is corrrect
Tuesday, April 1, 2014 at 9:04pm

Math
area of whole thing is 120x60 = 7200 ft^2 so half of that is 3600 ft^2 make a sketch showing the first run area of 1st run = 120x4 + 120x4 + 52x4 + 52x4 = 1376 leaving 2224 make a sketch of the remaining rectangle which is 112 by 52 area of 2nd run = 112x4+112x4+48x4+48x4 = ...
Tuesday, April 1, 2014 at 8:55pm

Math
The demand for rice in Japan for a particular year was estimated by the general function q = f (p) =Ap^(-0.13), where p represents the price of a unit of rice, A represents a constant that can be calculated uniquely for a particular year, and q represents the annual per capita...
Tuesday, April 1, 2014 at 8:46pm

Math- urgent
1st number --- x 2nd number --- y "The second of two numbers is five more than the twice first." ---> y = 2x+5 "the sum of the numbers is 44" ---> x+y = 44 x+y = 44 x + (2x+5) = 44 x + 2x + 5 = 44 3x = 39 x = 13 1st is 13, 2nd is 31 check: is 31 five ...
Tuesday, April 1, 2014 at 8:44pm

math..help again
look back at your previous post of this same question
Tuesday, April 1, 2014 at 8:42pm

math
2.75 * 3.2 = 8.8 = 8 4/5 tablespoons
Tuesday, April 1, 2014 at 8:41pm

math
I gave it to you ... instead of y I have "cost" instead of x I have "n" y = mx + b <-----> cost = (1/10)n + 5
Tuesday, April 1, 2014 at 8:39pm

math..help again
A photo lab manager graphed the cost of having photos developed as a function of the number of photos in the order. The graph is a line with a slope of 1/10th that passes through (10,6). Write an equation in slope-intercept form that describes the cost to have photos developed.
Tuesday, April 1, 2014 at 8:26pm

math
Please help!pam is mixing 3 1/5 batches of paint.if one batch calls for 2 3/4 tablespoons of detergent to add to the tempura powder,how many tablespoons of detergent will pam need?
Tuesday, April 1, 2014 at 8:24pm

Math- urgent
The second of two numbers is five more than the twice first. The sum of the numbers is 44. Find the numbers. Show all work.
Tuesday, April 1, 2014 at 8:22pm

Math
The answer is integer
Tuesday, April 1, 2014 at 8:22pm

Math pizzazz worksheet answers
I !@#$%^&ed yo momma
Tuesday, April 1, 2014 at 8:20pm

Math
Venski and his brother have each agreed to mow half of the front lawn, which is a rectangle, 120 feet by 60 feet. The law mower cuts a 4-foot-wide strip. If Venski starts at one corner and mows around the lawn toward the center, on which trip around will he have half the area ...
Tuesday, April 1, 2014 at 7:34pm

Math
Multiply by 8. 8 * 2.5 = 20 feet 8 * 0.1 8 0.8 feet
Tuesday, April 1, 2014 at 7:01pm

math
102
Tuesday, April 1, 2014 at 7:00pm

Math
Do you have choices?
Tuesday, April 1, 2014 at 6:58pm

Math
Can u help me on this you have to convert inches into feet 1 inch = 8 feet and how do I do this with 2 1/4inches and also 1/10inches
Tuesday, April 1, 2014 at 6:58pm

Math
what value is equivalent to -1/4?
Tuesday, April 1, 2014 at 6:57pm

math
Fg
Tuesday, April 1, 2014 at 6:48pm

math
So if slope intercept form is y=mx+b what would this equation look like for this word problem? Thanks
Tuesday, April 1, 2014 at 6:34pm

Math
ummmhhh, how many sides does a hexagon have ?
Tuesday, April 1, 2014 at 6:19pm

Math
What is the perimeter of a regular hexagon with sides measuring 3 1/2 feet
Tuesday, April 1, 2014 at 6:14pm

math
I will assume that your given ordered pair (10,6) is of the type (number , cost), then cost - 6 = (1/10)(number -10) cost = (1/10) number -1 + 6 cost = (1/10)n + 5 so if n = 25 cost = (1/10)(25) + 5 = 7.5 units of cost (you gave no units)
Tuesday, April 1, 2014 at 5:57pm

1st grade math
Write some name for 12
Tuesday, April 1, 2014 at 5:33pm

math
idk:):(
Tuesday, April 1, 2014 at 5:30pm

math
A photo lab manager graphed the cost of having photos developed as a function of the number of photos in the order. The graph is a line with a slope of 1/10 that passes through (10,6). Write an equation in slope-intercept form that describes the cost to have photos developed. ...
Tuesday, April 1, 2014 at 5:26pm

Math
2/4 = 1/2 = 6/12 2/6 = 1/3 = 4/12 2/8 = 1/4 = 3/12
Tuesday, April 1, 2014 at 5:11pm

Math
A B B B
Tuesday, April 1, 2014 at 5:10pm

Math
List the fractions from least to greatest 2/4, 2/6, 2/8??
Tuesday, April 1, 2014 at 5:07pm

MATH
You're welcome.
Tuesday, April 1, 2014 at 4:32pm

mATH 2
A jar contains 26 fluid ounces of spaghetti sauce.how many cups of spaghetti sauce do 4 jars contain
Tuesday, April 1, 2014 at 4:30pm

MATH
thanks
Tuesday, April 1, 2014 at 4:08pm

math angles
You're welcome.
Tuesday, April 1, 2014 at 4:06pm

MATH
http://www.mathsisfun.com/triangle.html
Tuesday, April 1, 2014 at 4:05pm

Math
Convert 1-/10 1 inch=8 feet
Tuesday, April 1, 2014 at 4:04pm

MATH
what is a 3 sided polygon with 1 right angle?
Tuesday, April 1, 2014 at 3:57pm

math angles
thank you ms. sue
Tuesday, April 1, 2014 at 3:56pm

math angles
acute: A K M N V W X Y Z right: E F H L T
Tuesday, April 1, 2014 at 3:54pm

math angles
write 1 capital letter that has an acute angle and 1 that has a right angle.
Tuesday, April 1, 2014 at 3:39pm

Math 25 College
Which "same linear equation"? ($22.40 - $12.80)/6 = $1.60/day $1.60 * 30 = $48.00
Tuesday, April 1, 2014 at 2:19pm

Math
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you. See later post.
Tuesday, April 1, 2014 at 1:50pm

Math
right.
Tuesday, April 1, 2014 at 1:37pm

English
Metaphor for confusion The math problem was a maze at trying to solve.
Tuesday, April 1, 2014 at 1:32pm

Math
Yes.
Tuesday, April 1, 2014 at 1:23pm

Math
I = PRT I = 1200 * 0.045 * 0.5
Tuesday, April 1, 2014 at 1:22pm

Math
1. Mackenzie spent a lot of time on her project for Columbus Day. On Monday she worked for 2 hours and 33 minutes on making a poster. On Tuesday she worked for 1 hour and 28 minutes drawing a picture of Columbus. On Wednesday she spent two hours building a model of a Taino ...
Tuesday, April 1, 2014 at 1:13pm

Math
Did I get the average speed and nine days traveled correct
Tuesday, April 1, 2014 at 1:11pm

Math
Right.
Tuesday, April 1, 2014 at 1:08pm

Math
Yes. That's the same answer I posted yesterday.
Tuesday, April 1, 2014 at 1:07pm

Math
Fraction: 1/51
Tuesday, April 1, 2014 at 1:05pm

Math
1296 / 7 = 185.14285 miles It would have to travel 155.14285 miles per day to make up for two days of calm.
Tuesday, April 1, 2014 at 1:04pm

Math (check answer)
Right.
Tuesday, April 1, 2014 at 12:59pm

Math (check answer)
2.B 2.The sum of two integers is ____ positive. A.always B.sometimes C.never
Tuesday, April 1, 2014 at 12:54pm

college math
1 - .85^5
Tuesday, April 1, 2014 at 12:33pm

Math
6. Columbus' ships covered approximately 144 miles a day. How many miles would they have traveled in nine days? What was the average speed per hour? If there were two days when the weather did not permit movement, how many miles a day would they have to travel to make up ...
Tuesday, April 1, 2014 at 11:43am

Math
5. There was a drawing for a prize at the Columbus Day celebration downtown. The prize was a scale model of the Santa Maria carved from a single piece of wood by a local artist. It was a beautiful ship and Jose really wanted it. Each $2.25 ticket bought one chance in the ...
Tuesday, April 1, 2014 at 11:34am

Math
4. Columbus had a hard time convincing anyone to undertake the expense of financing a voyage to an unknown place. Based on the information available from other sailors and partly on his own ideas, Columbus underestimated the circumference of the Earth by twenty-one percent. ...
Tuesday, April 1, 2014 at 11:33am

Math
Columbus was born in 1451 and died in 1506. How old was he when he died? How many years ago did he die? He was 55 years old when he died He died 508 years ago
Tuesday, April 1, 2014 at 11:30am

Math
2. Columbus would have taken some live animals aboard for food sources. If there were one hundred fifty animals, of which seventy-three were rabbits and the rest were chickens, what percentage of the animals were chickens? Please round your answer the nearest percent. 51%
Tuesday, April 1, 2014 at 11:27am

Math
1. Mackenzie spent a lot of time on her project for Columbus Day. On Monday she worked for 2 hours and 33 minutes on making a poster. On Tuesday she worked for 1 hour and 28 minutes drawing a picture of Columbus. On Wednesday she spent two hours building a model of a Taino ...
Tuesday, April 1, 2014 at 11:26am

college math
The area of a wetland drops by 15 every 9 years. What percent of its total area disappears after 45 years?
Tuesday, April 1, 2014 at 11:10am

Math
Cow utter
Tuesday, April 1, 2014 at 10:42am

3rd grade math
what is 3*3*3*3
Tuesday, April 1, 2014 at 10:33am

3rd grade math
what is the next number in the sequence 1,3,9,27,______ I'm confused on the skip counting they use.
Tuesday, April 1, 2014 at 9:51am

math
steve where did you get the (15/12) from?
Tuesday, April 1, 2014 at 9:38am

Math
You borrow 1200 at a rate of 4.5% for a period of 6 months, how much will you pay at the end of the 6 months?
Tuesday, April 1, 2014 at 9:31am

6 grade math
perimeter,triangle,.17m base,12.7cm congruent legs,8.8cm height
Tuesday, April 1, 2014 at 8:49am

math
35 44
Tuesday, April 1, 2014 at 4:53am

math
When I am rounded to the nearest ten I am 40 the sum of my digits is 8 what two numbers can I be
Tuesday, April 1, 2014 at 12:39am

math
A REGULAR HEXAGONAL PYRAMID HAS A SIDE LENGTH OF 3 INCHES A SLANT HEIGHT OF 6 INCHES AND a = 24 SQUARE INCHES. WHAT IS THE APPROXIMATE AREA SURFACE
Tuesday, April 1, 2014 at 12:30am

math
C
Tuesday, April 1, 2014 at 12:00am

math
Amount due at maturity Discount rate Time Bank discount Proceeds $20,000 180 days $ $
Monday, March 31, 2014 at 11:53pm

math
Sorry. I think I was reading too fast and missed that. Thank you.
Monday, March 31, 2014 at 10:34pm

math
let the 3 numbers be a , b, and c, in order of size, c is the largest a+b+c = 36 c = 2a b = (a+c)/2 = (a+2a)/2 = 3a/3 back into the first a+b+c = 36 a + 3a/2 + 2a = 36 times 2 2a + 3a + 4a = 72 9a = 72 a = 8, then c = 16, and b = 12 Our 3 numbers are 8, 12, and 16 (all ...
Monday, March 31, 2014 at 10:10pm

math
post it.
Monday, March 31, 2014 at 10:02pm

Math
100(2.5/3.25) = ?
Monday, March 31, 2014 at 9:58pm

math
I am the greatest common factor of three numbers. Their sum is 36. The largest number is twice the smallest and the middle number is the mean of the other two. What are the three numbers? What number am I?
Monday, March 31, 2014 at 9:52pm

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