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January 27, 2015

Homework Help: Math

Branches of Math

Recent Math Questions

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Math
How do I find the exact interest on a loan for $3000 with a simple interest annual interest rate of 15% that was made on June 11 and was due on August 11.
Tuesday, January 27, 2015 at 11:44am

MATH!!
~Determine whether each sequence is arithmetic or geometric fund the next three terms~ *Doing a math unit test and stuck on these five* 1.14,19,24,29.... 2.-2,8,-16,32... 3.81,27,9,3... 4.What are the first four terms of an arithmetric sequence if the common diffrence is 1.5 ...
Tuesday, January 27, 2015 at 11:36am

math
14z=56
Tuesday, January 27, 2015 at 11:05am

math
A man was injured in an accident at work he receives a disability grant of R4800 in the first year. This grant increases with a fixes amount each year.. a). What is the annual increase if over 20 years he would have received a total of R143500 b). His initial annual ...
Tuesday, January 27, 2015 at 10:29am

Math
How do you find the surface area of a rectangular pyramid?
Tuesday, January 27, 2015 at 10:19am

Math / Algebra
Can you check my work? Thank you :) 1. The Domain of a function F is the same as the range of F^-1 (True or False?) Answer: True. 2. Does the function y = |x-2| have an inverse? Select the best answer. A. Yes, it passes the horizontal line test. B. No, it does not pass the ...
Tuesday, January 27, 2015 at 10:14am

Math word problems
An outdoor supply store has its regularly priced $160 jackets on sale for $120. What is the discount rate? 120/160*100=75% but that doesn't seem right. I believe it should be 25% discount, but I dont know how to set that up. Can someone tell me if the above is correct, if ...
Tuesday, January 27, 2015 at 9:58am

math
what is 8899 rounded to the nearest thousand?
Tuesday, January 27, 2015 at 7:30am

Math
what factor do 4x^2 +13x+3 and 8x^2+22x-6 have in common? i try and got answer of 12, am i right or wrong?
Tuesday, January 27, 2015 at 2:39am

MATH!!
the ramp shown below is used to move crates of oranges to loading docks at diffrent heights.when the horizontal distance ab is 15 feet the height of the loading dock,bc,is 3 feet.what is the height of the loading dock de
Tuesday, January 27, 2015 at 1:23am

math
If 1+2+3+...+200=x, what is (1+2+3+...+200)-(2+4+6+...+200)? (solution pls... tnx)
Tuesday, January 27, 2015 at 1:07am

math
Tina wants to buy flannel sheets. She reads that a weight of at least 190 grams per square meter is considered high quality. She finds 3 options for flannel sheets: 1)1,100g of flannel in 6 square meters, $45. 2)1,260g of flannel in 6.6 square meters, $42. 3)1,300g of flannel ...
Tuesday, January 27, 2015 at 1:04am

math
The sum of two numbers is 12. The sum of their reciprocal is 3/8? what are the numbers?
Tuesday, January 27, 2015 at 1:00am

math
A circle of radius 3 is centered at the origin and passes through the point (2,−5‾‾√). (a) Find an equation for the line through the origin and the point (2,−5‾‾√). y= (b) Find an equation for the tangent line to the circle at (2...
Tuesday, January 27, 2015 at 12:29am

math
The radiator in a car is filled with a solution of 70 per cent antifreeze and 30 per cent water. The manufacturer of the antifreeze suggests that for summer driving, optimal cooling of the engine is obtained with only 50 per cent antifreeze. If the capacity of the raditor is 4...
Tuesday, January 27, 2015 at 12:28am

MATH
Sabah has $450 to pay for college textbooks. She expects to pay about $75 per book. Her friend told her that 4 of them can be checked out of the library for free. Complete the equation below to find the total number of books that Sabah can get for her classes. Use b to ...
Monday, January 26, 2015 at 11:28pm

Math
On a centimer dot array draw all possible rectangles with perimeter of 16 cm and sides whose lengths are whole centimeters label the lengths of two adjacent sides of each rectangle
Monday, January 26, 2015 at 11:26pm

Math
Alexander Smith receives a salary of $250 per week plus a commission of 15% on all sales over $1500. Find his earnings during a week in which sales totaled $3000. Not sure how to set this up.
Monday, January 26, 2015 at 10:27pm

Math
Last week Gina's art teacher mixed 9 pint of red paint with 6 pints of white paint to make pink.Gina mixed 4 pints of red paint with 3 pints of white paint to make pink. Did Gina use the same ratio of red as her teacher? Explain
Monday, January 26, 2015 at 10:18pm

math
Hi and thank you for your help. Find the value of the following: 11!6! over 12!4! If your answer is not an integer, write it as an exact fraction. Thank you again
Monday, January 26, 2015 at 10:10pm

math
Franco hikes 4 miles each day for 5 days. He carries 100 ounces of water with him. It takes him 1 hour to hike 4 miles. How many hours did he hike in 5 days?
Monday, January 26, 2015 at 10:04pm

Math
The Booster Club has a goal of raising at least $300. The Club has already raised $150. The Booster Club is sponsoring a pancake breakfast and charging $4.00 per ticket. What inequality would represent the number of tickets (t) that the Booster Club must sell to meet its goal...
Monday, January 26, 2015 at 9:28pm

Math
Russell is 6 years older than Samantha. In 4 years the sum of their ages will be 78. How old is Russell now? I have been having a lot of issues this problem. I can't figure out how to really answer this question.
Monday, January 26, 2015 at 9:20pm

Math
The Booster Club has a goal of raising at least $300. The Club has already raised $150. The Booster Club is sponsoring a pancake breakfast and charging $4.00 per ticket. What inequality would represent the number of tickets (t) that the Booster Club must sell to meet its goal...
Monday, January 26, 2015 at 9:15pm

gifted math
24 pencils in a box each student in the class gets 6. There are no pencils left over. How many students are in the class? write an equation to represent the situation.
Monday, January 26, 2015 at 8:58pm

Math
Shelia uses three times more water than lemon juice. She has 2 gallons of water. How much lemon juice does she need?
Monday, January 26, 2015 at 8:53pm

math
Eric Rose wants to buy a Ford Explorer that costs $26,000 with an interest charge of $3,000. If there are 50 equal payments required, what will Eric's monthly payment be?
Monday, January 26, 2015 at 8:42pm

Math
-3/4>-6/10a a>2/5 my answer
Monday, January 26, 2015 at 8:18pm

Math
The 2008 attendance at the Ohio State Fair was at least 16,700 less than the attendance in 2009. If the attendance in 2008 was 809,300, write and solve an inequality to find the 2009 attendance.
Monday, January 26, 2015 at 8:05pm

Math
A bottle contains some milk. Three glasses of capacity 4l,6l,and 8l are to be filled an exact number of times from it. What must be the least capacity of the bottle.
Monday, January 26, 2015 at 8:03pm

Math
-3/4b> -1/4 Answer b>1/3
Monday, January 26, 2015 at 7:54pm

math
Taylor baked a cake to serve after dinner suppose she cut the cake into 8 equal size pieces and 6 people ate all the pieces explain how they could have divided the pieces so that everyone ate the same amount of cake
Monday, January 26, 2015 at 7:34pm

Math
Hi! Okay so I started to attempt this math problem; 3cot^2x-1=0. However, I'm a little stuck. My teacher wants me to find the Location on The Unit Circle, Period, and General Solution. Can someone check what I have and help me with the rest? 3cot^2x-1=0 cot^2x=1/3 tan^2x=3...
Monday, January 26, 2015 at 7:21pm

math
what is the square root of mx and b?
Monday, January 26, 2015 at 7:14pm

Math
Q. Seven companies each agreed to pay $120,000 for commercial spots at the local television station. What was the total paid to the television station by all seven companies. - A. Do you mulpite seven * 120,000 ?? If so I got 240,000 but my friends are telling me it's 840...
Monday, January 26, 2015 at 7:03pm

Math
15 <_ -k/4 -9 I am confused how to solve this problem. Thanks
Monday, January 26, 2015 at 6:51pm

Math
Explain how you know 6/6 and 1 are equivalent
Monday, January 26, 2015 at 6:49pm

math
A square storage area measures 10 m on a side. By how much must each side be shortened to decrease this area to less than half the original area? (3 marks - show your work)
Monday, January 26, 2015 at 6:42pm

math
The length of a rectangle is 5 cm more than its width. What are the possible dimensions of the rectangle if the area must be at least 84 cm2? (2 marks)
Monday, January 26, 2015 at 6:42pm

math
Suppose the height, h, in feet, of a trampolinist above the ground during one bounce is modelled by the quadratic function h(t) = -16t^2 + 42t + 3.75 . For what period of time is the trampolinist at least 22 ft above the ground? Round your answers to the nearest hundredth. (2 ...
Monday, January 26, 2015 at 6:41pm

math
Determine the value of k in y=kx^2-5x+2 that will result in the intersection of the line y=-3x+4 with the quadratic at a) two points (1 mark) b) one points (1 mark) c) no point (1 mark) Please and thank you!
Monday, January 26, 2015 at 6:27pm

Math (Ms.Sue)
Tamera texted a photo of a dolphin to 5 friends. She asked her 5 friends to text the photo to 5 more friends. The photo chain continued with each friend texting the photo to 5 friends. How many photos of the dolphin will be texted after 4 rounds? Write and evaluate an ...
Monday, January 26, 2015 at 6:18pm

Math
Don signed an apartment lease for $500 per month. He has a budget of $120 per month for food and $150 for utilities. Please show me how to rite an inequality to show the minimum monthly salary Don needs to earn just for living expenses. How would I graph this answer? Thank you
Monday, January 26, 2015 at 6:06pm

math
Here's my question: Fireworks are to be launched from a platform at the base of a hill. Using the top of the platform as the origin and taking some measurements, it was determined that the cross-section of the slope of one side of the hill is y=4x-12 If the path of the ...
Monday, January 26, 2015 at 6:04pm

math
how can you rename a mixed number to help you subtract
Monday, January 26, 2015 at 5:49pm

Math
Tamara texted a photo of a dolphin to 5 friends. She asked each of her 5 friends to text the photo to 5 more friends. The photo chain continued with each person texting the photo to 5 more friends. How many photos of the dolphin will be texted after 4 rounds? Write and ...
Monday, January 26, 2015 at 5:36pm

Math
I can't figure out how to solve this math problem, please help. 1.4 divided by 36.96
Monday, January 26, 2015 at 5:32pm

math
Here's my question: Fireworks are to be launched from a platform at the base of a hill. Using the top of the platform as the origin and taking some measurements, it was determined that the cross-section of the slope of one side of the hill is y=4x-12 If the path of the ...
Monday, January 26, 2015 at 5:24pm

math
Here's my question: Determine if each system has one, two, or no solutions. (Show your work - 3 marks each) a)y=2x^2-2x+1 and y=3x-5 b)y=x^2+3x-16 and y=-x^2-8x-18 Here's my work on the question: a) x=(-b plus/minus sign (square root b^2-4ac)/(2a) x=(--2 plus/minus ...
Monday, January 26, 2015 at 5:17pm

Math
Tamera texted a photo of a dolphin to 5 friends. She asked each of her 5 friends. She asked each of her 5 friends to text it to 5 more friends. The photo chain continued with each person texting the photo to 5 more friends. How many photos of the dolphin will be texted after 4...
Monday, January 26, 2015 at 5:05pm

math
Solve for ALL values of x, where 0<x<2Pi. (should be greater than or equal to)
Monday, January 26, 2015 at 4:50pm

math
Solve sec to the power of 2 times x minus 1 = 3, x such that [0,2pi).
Monday, January 26, 2015 at 4:34pm

math
Mrs. Meager drew a quadrilateral on the board. It had two sets of parallel side and no right angles. All four sides were the same length. What did Mrs. Meager draw?
Monday, January 26, 2015 at 4:32pm

Math
Hello again! Here's another question. 1. The table shows the height of a plant as it grows. What equation in slope-intercept form gives the plant's height at anytime? Months Height 2 8 4 15 6 22 8 29 A. y=(7/2)x+1 B. y=(7/2)x+8 C. y=(7)x+1 D. y=(y)x+8 This question has...
Monday, January 26, 2015 at 4:32pm

Math
Jasmin is cutting a ribbon into equal sized pieces. If she has 5 feet if ribbon , how many whole pieces 5/6 feet in length can she make?
Monday, January 26, 2015 at 4:29pm

Math
The domain of y=the square root of bx to the power of two -2 is undefined, which of the following best describes the value of 'b'? a)b is less than or equal to 0 b)b<0 c)b=0 d)b is greater than or equal to 0
Monday, January 26, 2015 at 4:23pm

Math-urgent-mid term exam review question
Please help me simplify. I keep getting some weird answer. 3x^2(4x^3-2x^2+6x)-(x^5+5x^4-4x^3)+7x^5
Monday, January 26, 2015 at 4:22pm

math
Don signed an apartment lease for &500 per month. his has a budget of $120 per month for food and $150 for utilities. Write an inequality to show the minimum monthly salary Don needs to earn just for living expenses. graph your answer.
Monday, January 26, 2015 at 4:22pm

Math
What are the domain and range for 2(y-1)= - the square root of 1/3x-6
Monday, January 26, 2015 at 4:13pm

Math
A gift shop buys greeting cards at $3.50 each, and sells them at an 80% markup. At what price does the gift shop sell each greeting card?
Monday, January 26, 2015 at 4:02pm

math
For the pairs of lines defined by the following equations indicate with an "I" if they are identical, a "P" if they are distinct but parallel, an "N" (for "normal") if they are perpendicular, and a "G" (for "general"...
Monday, January 26, 2015 at 3:59pm

Math
Hi i need help on this equation. 5x^2-3x+9 when x= -11/5
Monday, January 26, 2015 at 3:54pm

Math
A fireman is standing 25 m due west of the burning building. If the angle of elevation of the ladder is 51°, how long is his ladder?
Monday, January 26, 2015 at 3:20pm

math
A peanut manufacturing company pays $0.02 per square inch of label used on its cylindrical peanut containers. Each container has a radius of 1.5 inches and a height of 2.5 inches. If the label covers the lateral area of the container, how much would it cost to produce 150,000 ...
Monday, January 26, 2015 at 3:14pm

math
Find a real number, k, such that the line −18x+ky+15=0 has y-intercept −16.
Monday, January 26, 2015 at 3:09pm

math
The radiator in a car is filled with a solution of 70 per cent antifreeze and 30 per cent water. The manufacturer of the antifreeze suggests that for summer driving, optimal cooling of the engine is obtained with only 50 per cent antifreeze. If the capacity of the raditor is 4...
Monday, January 26, 2015 at 3:08pm

Math
Your weekly paycheck is 30 percent less than your coworker's. Your two paychecks total 695. Find the amount of each paycheck. Your coworker's is : and yours is .
Monday, January 26, 2015 at 2:56pm

Math
Suppose U={1,2,3,4,5,6,7,8}is the universal set and P={1,2,3,4}. What is P? A.{5,6,7,8} B.{1,2,3,4,5,6,78} C.{1,2,3,4} D. Cannot be determined. I think it's either B or D. Please correct me if I am wrong. Thank you!
Monday, January 26, 2015 at 2:51pm

math
Fundi, Halima and Gitonga are employed in a firm. Fundi's monthly salary is $50 more than that of Gitonga. Halima’s monthly salary is $90 more than half of the total amount earned by Fundi and Gitonga. If Fundi's salary is $n, write the equation that represents ...
Monday, January 26, 2015 at 2:40pm

Math
Hello again, today is my final day of the semester and I started late. So I have tons of work to quickly finish and this math test I am taking is 48 questions. Just a brief description why you might see my name a lot. 1. Which is a solution of the equation y=4x+3? A.(5,17) B.(...
Monday, January 26, 2015 at 2:28pm

math
In one month an agent sold 5 plots at shilling 250, 000. She charged a 5% commission for the sale of plots and paid 15% of the commission to her workers. How much money did she remain with?
Monday, January 26, 2015 at 2:13pm

Math
NEED HELP ASAP PLEASE! 1. evaluate x/y for x=2/3 and y=6/7 A. 7/9 B. 8/10 C. 9/12 D. 12/21 That is all. I do not understand this, so if someone could help that would be great. Thank you so much!
Monday, January 26, 2015 at 2:08pm

Math
Can you check my work and tell me if I did anything wrong? 1. With the functions: f(x) = x^2 + 3x and g(x) = -3 + x what is f(x) + g(x)? Answer: x^2 + 4x - 3 2. With the functions: f(x) = x + 4 and g(x) = x -3 what is (f*g)(x)? Answer: x^2 + x - 12 3. With the functions: f(x...
Monday, January 26, 2015 at 1:02pm

math
Determine if each system has one, two, or no solutions. (Show your work - 3 marks each) a)y=2x^2-2x+1 and y=3x-5 b)y=x^2+3x-16 and y=-x^2-8x-18
Monday, January 26, 2015 at 12:14pm

math
A 6 CYLINDERHAS CYLINDERS WITH A RADIUS OF 2.22" AND A HT. OF 3.25", WHAT IS ENGINE SIZE OF THIS CAR?
Monday, January 26, 2015 at 12:09pm

math
Fireworks are to be launched from a platform at the base of a hill. Using the top of the platform as the origin and taking some measurements, it was determined that the cross-section of the slope of one side of the hill is y=4x-12 If the path of the fireworks is y=-x^2+15x, ...
Monday, January 26, 2015 at 11:53am

Math
A bottle contains some milk. Three glasses of capacity 4l,6l,and 8l are to be filled an exact number of times from it. What must be the least capacity of the bottle. Please mr sue give me what must be the least capacity of the bottle
Monday, January 26, 2015 at 11:47am

english
School has increased in its difficulty over the years. In the past, kindergarten was carefree; all I had to do was finger paint, crafts, and daily nap-times, which gave me the rest I needed. During my elementary years, math went from adding and subtracting to multiplication ...
Monday, January 26, 2015 at 11:15am

math
Fireworks are to be launched from a platform at the base of a hill. Using the top of the platform as the origin and taking some measurements, it was determined that the cross-section of the slope of one side of the hill is y=4x-12 If the path of the fireworks is y=-x^2+15x, ...
Monday, January 26, 2015 at 11:10am

math
Determine if each system has one, two, or no solutions. (Show your work - 3 marks each) a)y=2x^2-2x+1 and y=3x-5 b)y=x^2+3x-16 and y=-x^2-8x-18
Monday, January 26, 2015 at 11:03am

math
Determine the value of k in y=kx^2-5x+2 that will result in the intersection of the line y=-3x+4 with the quadratic at a) two points (1 mark) b) one points (1 mark) c) no point (1 mark)
Monday, January 26, 2015 at 11:02am

Math
A bottle contains some milk. Three glasses of capacity 4l,6l,and 8l are to be filled an exact number of times from it. What must be the least capacity of the bottle.
Monday, January 26, 2015 at 8:23am

Math
Hello! Can someone help me with this? Directions: Solve the equation sin^2x-sinx=2 Location on Unit Ciricle: Period: General Solution:
Monday, January 26, 2015 at 8:20am

math
in a oblique triangle ABC ,it is known that tan A=3/4,cos B=5/13 an AB=10cm find sinC,side AC, and side BC
Monday, January 26, 2015 at 6:14am

math
in a oblique triangle ABC ,it is known that tan A=3/4,cos B=5/13 an AB=10c
Monday, January 26, 2015 at 6:13am

Math
If the 4-digit number 4AB2 is divisible by 44, what are the values of A & B? (Solution pls...)
Monday, January 26, 2015 at 5:36am

Math
The difference between the smallest and second smallest angles of a quadrilateral is equal to the difference between the biggest and second biggest angles. If the biggest angle is twice the smallest angle, what is the measure of the smallest angle? (Solution pls... Tnx)
Monday, January 26, 2015 at 5:28am

Math
The ratio of white marbles to blue marbles in Jeyan's bag is 2 to 5. If there are more than 50 marbles in the bag, what is the minimum number of marbles that can be in the bag? So what I did was add 2 and 5 which is 7 in total so I answered as 7 marbles, but it wasn't ...
Sunday, January 25, 2015 at 11:23pm

4th grade math
A frog made 3 jumps. The first was 12 5/6 inches. The second jump was 8 3/6 inches. The third jump was 15 1/6 inches. What was the total distance the frog jumped?
Sunday, January 25, 2015 at 11:02pm

math 2nd grade
Write a sentence using words that compares the crayons in the two boxes
Sunday, January 25, 2015 at 9:33pm

Math
li spent $840 on vacation, She spent 2/3 of the amount on a train ticket and 1/2 of the remaining amount on food. How much did she spend on ticket and food altogether?
Sunday, January 25, 2015 at 8:37pm

math
Sam travelled 1/4 of a journey by bus. he jogged 1/2 of the remaining distance and walked the rest of the way. If he walked 800 feet, what was the total distance he traveled?
Sunday, January 25, 2015 at 8:08pm

math
if Justin races his Chevy s-10 down highway 37 for 2560 meters in 60 seconds, what is his average speed
Sunday, January 25, 2015 at 7:51pm

Math
sam travelled 1/4 of a journey by bus. He jogged 1/2 of the remaining distance and walked the rest of the way. If he walked 800 feet, what was the total distance he traveled?
Sunday, January 25, 2015 at 7:43pm

Math
li spent $840 on vacation, She spent 2/3 of the amount on a train ticket and 1/2 of the remaining amount on food. How much did she spend on ticket and food altogether?
Sunday, January 25, 2015 at 7:39pm

Math
how much simple interest does $2560 earn in 17 months at a rate of 5 1/8%?
Sunday, January 25, 2015 at 7:39pm

Math
sam travelled 1/4 of a journey by bus. he jogged 1/2 of the remaining distance and walked the rest of the way. If he walked 800 feet, what was the total distance he traveled?
Sunday, January 25, 2015 at 7:26pm

math
Otieno, Leila, Rotich and Furaha shared $840. Otieno got twice as much as Leila. Leila got three times as much as Rotich while Rotich got half of what Furaha got. What was the difference between Otieno's share and Furaha's share?
Sunday, January 25, 2015 at 6:26pm

math
if your body releases about a liter of saliva a day how many years to release a kiloliter
Sunday, January 25, 2015 at 6:16pm

math
Evaluate the limit using the appropriate Limit Law(s). lim t → 2 of (t^44 − 9)/ 2t^2 − 3t + 7
Sunday, January 25, 2015 at 6:05pm

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