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October 25, 2014

Homework Help: Math

Branches of Math

Recent Math Questions

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Math URGENT!!
A rectangular garden has an area if 12a^2-5a-2m^2 A.) Write the area as the product of two binomials with integer coefficients B.) the garden is to be completely enclosed by a path 1 m wide. find and simplify an expression for the area of the path C.) the path is concrete, ...
Sunday, September 28, 2014 at 4:06pm

math
jocelyn got 19 correct answers out of 25 questions on her last test. What percent of the questions did she answer correctly?
Sunday, September 28, 2014 at 3:49pm

math
if all the numbers from 1 to 2013 are written down how many of these will have two or more zeroes next to each other
Sunday, September 28, 2014 at 3:44pm

Math (money)
Brianna spent 1/6 of her money on a movie and $9 on dinner. If she had $16 left, how much money did she spend altogether?
Sunday, September 28, 2014 at 2:25pm

math/ unit rates
A fertilizer covers 5/8 square foot in 1/4 hour.
Sunday, September 28, 2014 at 11:48am

math/ unit rates
A garden snail moves 1/6 foot in 1/3 hour
Sunday, September 28, 2014 at 11:47am

math/ unit rates
Kenny reads 5/8 page in 2/3 minute
Sunday, September 28, 2014 at 11:37am

math
IF IN AN ISOSCELES TRAPEZIUM,DIAGONAL AC=(8X-7)CM AND DIAGONAL BD=(5X+2)CM,THEN FIND THE LENGTH OF AC ?
Sunday, September 28, 2014 at 11:26am

Math Homework
Hi! I really need help with these. I tried them on my own but I got really confused. Thanks! 1.) If f(x)=1/x and g(x)=1/x^2, find the domain of g/f 2.) If h(x)=4/(5x+2)^2, find the two functions f and g so that f(g(x))=h(x).
Sunday, September 28, 2014 at 8:36am

math
Lane French had a bad credit rating and went to a local cash center. He took out a $100.00 loan payable in two weeks at $106.00. What is the percent of interest paid on this loan?
Sunday, September 28, 2014 at 4:39am

math
The ratio of the perimeters of two squares is 1:5. If the area of the bigger square is 250m^2, find the perimeter of the two squares
Sunday, September 28, 2014 at 4:31am

math
kx^2 + (k+2)x -3 =0 has roots which are real and positive. Find the possible values that k may have. I understand that I have to use the discriminant to solve this, but I can't seem to get the answer right, so I really need help!!
Sunday, September 28, 2014 at 12:13am

math
The sides a,b,c of a triangle are such that a^2+b^2+c^2=ab+bc+ca.What type of triangle is it?
Saturday, September 27, 2014 at 11:18pm

math
arnold has 24m of fencing to surround a garden, bounded on one side by the wall of his house. what are the dimensions of the largest rectangular garden that he can enclose? how do i solve this question please help step by step solutions please
Saturday, September 27, 2014 at 10:49pm

math
Which is greater, the increase in miles driven between 1998 and 1999 or between 1999 and 2000? What is that increase? Data given: 1998-75,288 miles 1999-117,391 miles 2000-126,304 miles
Saturday, September 27, 2014 at 9:30pm

quanta tive skills and reasoning
In a class of 250 students it was found that 140 took math 85 took psychology and 65 took both math and psychology how many students in the class took math or psychology?
Saturday, September 27, 2014 at 9:17pm

math
If the area of a rectangle is 2,460 square inches, what are its dimensions?
Saturday, September 27, 2014 at 9:05pm

Math
Cal had 6 comic books. After he gave 1 comic book to each of his cousins, he had none left. How many cousins does Cal have?
Saturday, September 27, 2014 at 9:01pm

math
Freya doesn't like peppers, so she grew 0 peppers in her garden. She divided the peppers equally among her 4 cousins. How many peppers did each cousin get?
Saturday, September 27, 2014 at 8:59pm

Math plz help.
Write the letter of the property shown in each example. a. Commutative Property of Multiplication b. Identity Property of Multiplication c. Associative Property of Addition d. Identity Property of Addition e. Associative Property of Multiplication f. Commutative Property of ...
Saturday, September 27, 2014 at 8:50pm

Math
3x9=9x=( )= ( )
Saturday, September 27, 2014 at 8:42pm

math
what does this question mean : Sketch a graph to show four graphs in each family. a) y=(x-3)(x+6) b) y= (x+1)(x+1)
Saturday, September 27, 2014 at 7:13pm

math
What is 1/10 of 200?
Saturday, September 27, 2014 at 6:38pm

Math problems.
Use the order of operations to simplify the expressions in the next two questions. 15 – 6 • 9 ÷ 2 + 10 16. 4 • (6 + 3) + 5
Saturday, September 27, 2014 at 6:01pm

Math. I have a question.
Tom wants to build a pen in his yard for his dog. He buys 800 ft of fencing. He concludes that he can only build a rectangle with sides of 300 ft and 100 ft.
Saturday, September 27, 2014 at 6:00pm

math
I'm working on a school math project, and i need to make my own 2 plans, i know that you can split all 17.5 ct diamonds so that each pirate would get 4.375 ct diamonds but i want to know how i would split them up, like into to 1/2 s or 1/4 and i need another plan please ...
Saturday, September 27, 2014 at 5:53pm

Math
4. What is the value of the expression below? |-4 -3| - |6 -2| -11 -3 3 11 *** 5. Which word phrase could represent the variable expression 3d + 5? Let d = Beth's age. five more than Beth’s age times three three times Beth’s age minus five five times Beth’s ...
Saturday, September 27, 2014 at 5:17pm

Math 2--questions
7. Find the sum. –14 + 7 + (–3) –24 –18 –10 *** –4 8. A scuba diver descends 350 feet and then another 120 feet. Express the diver’s final depth as an integer. –420 ft 420 ft ** –470 ft 470 ft
Saturday, September 27, 2014 at 5:07pm

Math
1.) Find (f - g)(x) if f(x) = 2x - 5 and g(x) = 4. 2.) Given f(x) = 4 and g(x) = 2x - 1, find (f - g)(x). Thanks so much! :)
Saturday, September 27, 2014 at 4:58pm

math
midpoint (4,13) endpoint (0,6). find the other endpoint
Saturday, September 27, 2014 at 4:56pm

Check my answers? Math help.
2. Write an integer to represent owing your friend $10. –10 *** –2 2 10 3. Write the sum as a product, then simplify the product. (–8) + (–8) + (–8) + (–8) ( 2(–8) + 2(–8) = –30 4(–8) = –32 **** 4(–8) = 32 5(–8...
Saturday, September 27, 2014 at 4:35pm

math
are the length of a side of a square and the area of the square related proportionally?
Saturday, September 27, 2014 at 3:10pm

math
between which two square roots of integers can you find pi?
Saturday, September 27, 2014 at 3:05pm

Personal Finance (Math)
Becka borrowed $100 from her cousin at the rate of 6% per year. If the inflation rate was 2% that year, what is her cousin's actual rate of return on the loan? How do you work this out?
Saturday, September 27, 2014 at 2:14pm

Math
explain why the expression (x^2+6) / (x^2+3) which seemingly can be simplified, actually cannot be simplified.
Saturday, September 27, 2014 at 2:09pm

Math
Explain why the expression (x^2+ 6) ------- (x^3+3) , which seemingly can be simplified, actually cannot be simplified.
Saturday, September 27, 2014 at 2:00pm

Math
What is half of 850
Saturday, September 27, 2014 at 1:01pm

math
what is the prime factorization of 140
Saturday, September 27, 2014 at 12:19pm

Math
A bag contains three black balls, four white balls and five red balls. Three balls are removed without replacement. What is the probability of obtaining a one of each colour b at least two red balls ?
Saturday, September 27, 2014 at 8:38am

Math
Using the following cash flows for projects A and B, use payback period, discounted payback period, NPV, IRR, and MIRR to see if these are good projects or not. > Project A: (283,000); 46,000; 89,000; 104,000; 123,000; 187,000; and 72,000 > Project B: (318,000); 72,000; ...
Saturday, September 27, 2014 at 7:03am

math
Identify the solution(s) of the system of equations, if any. x + 5y = 6 6x - 15y = 18
Saturday, September 27, 2014 at 2:22am

math
A rocket ascends at an angle of 60.0˚ with the horizontal. After 1.00 min it is directly over a point that is a horizontal distance of 16.0 km from the launch point. Find the speed of the rocket.
Saturday, September 27, 2014 at 1:02am

Algebra 2
y-1 ____ x+3 = -3/4 (equivalent ratio) can you explain the steps which you use to get this answer and why you use them . I am sorry I am a disable student and it hard some time to grasp this math fo rme.
Saturday, September 27, 2014 at 12:29am

math
Find the sum of the first 60 terms of the arithmetic sequence whose first term is −15 and whose common difference is 7.
Saturday, September 27, 2014 at 12:24am

Math one question?
A scuba diver descends 350 ft and then another 225 ft. Express the diver’s final depth as an integer. –525 ft –575 ft 525 ft 575 ft
Saturday, September 27, 2014 at 12:20am

Math--1 question
Which word phrase could represent the variable expression 3d + 5? Let d = Beth's age. five more than Beth’s age times three three times Beth’s age minus five five times Beth’s age plus three three minus Beth’s age times five
Friday, September 26, 2014 at 11:45pm

Math Homework
1.) If f(x)=x^2 and g(x)=4x-5, then fg(x)=4x^3-5x^2? True or False? My answer: True 2.) If f(x) =1/x and g(x)=1/x^2, find (g/f)(x). My answer: I need help with this one.
Friday, September 26, 2014 at 10:49pm

Math--1question
write an integer to represent a loss of 5 yards in football. –7 –5 5 7
Friday, September 26, 2014 at 10:48pm

math
the price of a computer fell 20% this year, if the computer now cost $850, how much did it cost last year?
Friday, September 26, 2014 at 8:30pm

Math
I already know the angle of Eastdale which is 45° due to the turn from due east to the northwest. So therefore so I need to find the measures of angle c and angle n. I can use the Law of Sines. sin‹C/c=sin‹E/e sin‹C/18=(√2/2)/12.7308 sin‹C=18(&#...
Friday, September 26, 2014 at 8:20pm

Math
Is 2340 divisible by 90 and what is the divisible numbers for my question
Friday, September 26, 2014 at 7:23pm

Math Help.
write an integer to represent a loss of 5 yards in football. –7 –5 5 7 Write the sum as a product, then simplify the product. (–8) + (–8) + (–8) + (–8) 2(–8) + 2(–8) = –30 4(–8) = –32 4(–8) = 32 5(–8) = –40 ...
Friday, September 26, 2014 at 6:44pm

Math
Simplfy the following 10.2*1.4/4.8
Friday, September 26, 2014 at 6:13pm

Math.
write an integer to represent a loss of 5 yards in football. –7 –5 5 7 Write the sum as a product, then simplify the product. (–8) + (–8) + (–8) + (–8) 2(–8) + 2(–8) = –30 4(–8) = –32 4(–8) = 32 5(–8) = –40 ...
Friday, September 26, 2014 at 5:51pm

Math help, anyone?
Solve by multiplying or dividing integers. 1. –4(3) 12 –12 2. 27 ÷ (–3) 9 –9 3. –40 ÷ 8 5 –5 4. 6(–5) 30 –30 5. 3(–3) 9 –9 6. –56 ÷ (–7) 8 –8 7. –7(–2)(2) 28 –28 8. 18 ÷...
Friday, September 26, 2014 at 5:29pm

Math
Ivan has 6 times as many blue beads as red beads. He has 49 red and bye beads in all. How many blue beads does Ivan have in all
Friday, September 26, 2014 at 4:35pm

math
Indicate whether the following statement is True or False The number -3 is an integer and a rational number. True False Is the answer True?
Friday, September 26, 2014 at 4:27pm

Math
Ivan has 5 times as may blue beads as red beads he has 49 red and blue beads in all. how man blue beads does he have ? I am a mother of a 4th graded I need help trying to help her understand how to do this cause I can't figure it out I know it's a 2 step problem
Friday, September 26, 2014 at 4:13pm

math
Indicate whether the following statement is True or False The number -3 is an integer and a rational number. True False Is the answer True?
Friday, September 26, 2014 at 4:09pm

math
Which statement is true? A. All irrational numbers are also rational numbers. B. Half of the irrational numbers are also rational numbers. C. One-third of the irrational numbers are also rational numbers D. Irrational numbers cannot be classified as rational numbers. Is the ...
Friday, September 26, 2014 at 4:05pm

math problem (please help)
Find ( f + g)(x). f (x) = 3x^2 – 2 g(x) = 2x^2 – x – 2 a. ( f + g)(x) = x^4 + x b. ( f + g)(x) = 5x^4 – x – 4 c. ( f + g)(x) = x^2 + x d. ( f + g)(x) = 5x^2 – x – 4 e. ( f + g)(x) = –5x^2 + x + 4
Friday, September 26, 2014 at 3:51pm

math
Which number is NOT rational? A. 5.85 B. 63.4 C. 8.52624*** D. 27.5 is the answer C?
Friday, September 26, 2014 at 3:49pm

math problem (please help)
Find the inverse function of f(x) = (7x-8)/(3x -1).
Friday, September 26, 2014 at 3:48pm

Math Problem (please help)
Evaluate the function at the specified value of the independent variable and simplify. f(x) = (2x^2 + 8x)/(5x^3 + 40) at x = 3.
Friday, September 26, 2014 at 3:39pm

Math
Which statement is false? A. Every integer is a real number*** B. The number zero is a rational number. C. Every irrational number is a real number. D. Every real number is a rational number Am I right about the a being the right answer? Thanks
Friday, September 26, 2014 at 3:33pm

math
Which of the following numbers is an example of an integer? A. -15 B. 3/5 C. √7 D. 0.252525 I choose answer A. Am I correct?
Friday, September 26, 2014 at 3:25pm

math
I am confused on how to solve this problem, can you help me? It says the distance around the outside of Cedar park is 0.8mile. Joan ran 0.25 of the distance during her lunch break. How far did she run? A. 0.2mile B. 0.25 mile C.1.05 mile D. 2 miles I did 0.80-0.25=0.55 so I ...
Friday, September 26, 2014 at 3:22pm

math
Sarah earned some money taking care of a dog. She charged $8.50 for washing the dog and $7 for walking the dog. She spent $1.15 on shampoo to wash the dog. What was Sarah’s profit from taking care of the dog?
Friday, September 26, 2014 at 3:09pm

math
A 500-litre water storage tank is situated at the top of a building at a height of 300 feet.The tank,which is completely full,has two outlet pipes and one inlet pipe.Veeru climbs up to the tank and opens an outlet which can empty a full tank in 10 minutes. At the same time jay...
Friday, September 26, 2014 at 2:55pm

Business math
Order for 620 dresses from China, cost is $40 a gown, markup based on selling is 76%, what is the selling price of each gown?
Friday, September 26, 2014 at 2:46pm

Math Problem (please help)
Find the following. f(x) = 7x − 9, g(x) = 8 − x A:(f + g)(x) = B:(f − g)(x) = C:(fg)(x) = D:(f/g)(x) =
Friday, September 26, 2014 at 2:30pm

math
A man,a woman and a boy can complete a piece of work in 20,30 and 60 days respectively.How many boys should join 2 men and 8 women to complete the work in 2 days?
Friday, September 26, 2014 at 2:20pm

math
A train 100m long travelling at 72 km/h overtakes another train travelling in the same direction at 54sec. Find the length of the second train
Friday, September 26, 2014 at 1:07pm

Math(Algebra)
Estimate the size of the bear population 50 bears, 1 year later 100 bears, 2 with taggs what is the estimated size of the bears can you Please wirite me the stepes so I cam understand what you did. Thank You so much foer your help.
Friday, September 26, 2014 at 12:56pm

math
Which equation is equivalent to 3x + y = 5? (Points : 1) y = 5 3x y = 5 + 3x y = 3x 5 y = 3x 5
Friday, September 26, 2014 at 12:24pm

math
if I have a 100,000 @8% how much would the payments be and for how long?
Friday, September 26, 2014 at 11:35am

math
A nine digit number having all its digits distinct and none being zero can be partitioned into two as per well. It turns out that every time the left part is always divisible by the number of digits it has. Which of the following number satisfies this property? a. 183654927 b...
Friday, September 26, 2014 at 11:22am

math
Think of a 135 digit number formed by writing the first 72 natural number side by side in a string.(i.e.) 1 2 3………70 71 72. Find the remainder when it is divided by 12. a. 2 b. 9 c. 0 d. 5
Friday, September 26, 2014 at 11:15am

Math Problem (please help)
A rectangular classroom seats 252 students. If the seats were rearranged with three more seats in each row, the classroom would have two fewer rows. Find the original number of seats in each row.
Friday, September 26, 2014 at 3:19am

math
word problem--If car A is going 50mph and is 15miles ahead of car B who is going 60mph, how long will it take car B to catch up with other? 50x+15=60 -15=15 50x=45 x=10 -
Thursday, September 25, 2014 at 10:59pm

Math URGENT QUICK QUESTION
factor 9-6x-3x^2 The expression x^2-8x+k cannot be factored if k has the value A.)7 B.)0 C)-7 D)-9 Please show me how to do these questions step by step so that I can understand & learn
Thursday, September 25, 2014 at 10:15pm

math
two students are playing a math game . the object of the game is to make the least possible number by arranging the given digits inside absolute value bars on a card . in the first round , each player will use the digits 3,5,and7 to fill in the card. One student arranges the ...
Thursday, September 25, 2014 at 9:20pm

math
Can 50/99 be simplified
Thursday, September 25, 2014 at 8:21pm

Financial Math
A young executive deposits $400 at the end of each month for 9 years and then increases the deposits. If the account earns 6%, compounded monthly, how much (to the nearest dollar) should each new deposit be in order to have a total of $400,000 after 25 years? Thank you for ...
Thursday, September 25, 2014 at 8:03pm

Math
Scores on a marketing exam are known to be normally distribute with mean and standard deviation of 60 and 20, respectively. The syllabus suggests that the top 15% of the students will get an A in the course. What is the minimum score required to get an A?
Thursday, September 25, 2014 at 7:20pm

math...
A. Solve a-9=20 I did 20+9=29 29-9=20 a=29 Part b solve b-9>20 I did b-9>20 b-9+9>20+9 b>29 Part c how is solving the equation in part a similar to solving the inequality in part b? I put They are both using the same numbers. Part D I put A is equal to and b is ...
Thursday, September 25, 2014 at 7:00pm

math
1. 3w - 10w A, 13w B. -7w** C. -7 D. 7w 2. y + 2y + 3z A. 2y + 3z B. 3y + 3z C. 2y^2+3z D 6yz 3. 6r + r - 5r A. 2r B.1r + r C. 0r D. 7r - 5r 4. 5x + 2(x + 6) A. 7x + 6 B. 7x^2 + 12 C. 7x + 12 D. 7x (x + 6) 5. -3m + 3(m +6) A. 6 B.-6m + 6 C. 6m + 18 D. 18 Help please
Thursday, September 25, 2014 at 6:45pm

math...
Julia is allowed to watch no more than 5 hours of television a week. So far this week, she has watched 1.5 hours. Write and solve an inequality to show how many hours of television Julia can still watch this week. I did. 5÷1.5=3.33 T=time T<3.33 Julia can watch 3 ...
Thursday, September 25, 2014 at 6:29pm

math
Farmer john has hens, geese, ducks, and two goats the number of hens equals the number if geese and ducks combined . There are 5 fewer geese than ducks. If the total number of animals is 40 how many are ducks
Thursday, September 25, 2014 at 6:22pm

Math-please check
Determine if a true bioconditional can be written from each conditional statement. If not, gove a counterexample. 1. If a = b then |a| = |b| Is this true? 2. If y^2= 64 then 3y=24 Is this false? Because if you do -8 both of them aren't equal
Thursday, September 25, 2014 at 6:13pm

Math-please check
The supershots scored over 75 points in each of ten straight games. The newspaper predicts that they will score more than 75 points tonight. Which form of reasoning is this conclusion based on? A. Deductive reasoning, because the conclusion is based on logic B. Deductive ...
Thursday, September 25, 2014 at 6:06pm

math...
Solve b-9>20 I did 29-9>20 But I'm not sure that's right.
Thursday, September 25, 2014 at 6:02pm

math
Is 3/7 greater or less than 15/56
Thursday, September 25, 2014 at 5:54pm

math...
Graph.. <-3,-2,-1,0,1,2,3,4> the circle is on 2 and is an open circle. Which inequality matches the graph? A. 6w+6>18??? B. 6w+6>=18 C. 6w-6>18 D. -6w+6>14 The answer is A right?
Thursday, September 25, 2014 at 5:50pm

Math! URGENT
Describe the number of solutions for the equation. -2(x-1)=2x-2 A. Infinite solutions B. One solution C. No solution Is the answer B?
Thursday, September 25, 2014 at 5:22pm

Math! URGENT
Describe the number of solutions for the equation. 5(x-9)=5x A. No solution B. One solution C. Infinite solutions Is the answer B? Thank You for any help.
Thursday, September 25, 2014 at 5:18pm

Math Help.
Which inequality matches the graph. <-4,-3,-2,-1,0,1,2,3,4> The dot is on the 1 and is a filled in circle with the arrow going to -4. A. 3x+1>4 B. 3x+1>/4 C. 3x+1<4 D. 3x+1</4 Is the answer C?
Thursday, September 25, 2014 at 4:43pm

Math! URGENT
Solve the inequality -5p>-30 A. p>6 B. p<6 C. p>-35 D. p<35 Is the answer B?
Thursday, September 25, 2014 at 4:37pm

Math
For the given point and line, find by projection the point on the line that is closest to the given point and use perp to find the distance from the point to the line. P (3,-5) line: x = (2,-4)+t(3,-4)
Thursday, September 25, 2014 at 4:32pm

Math! URGENT
-9-6(w+5) Simplify this expression A. -15w+5 B. -15w+30 C. -6w-39 D. -6w+21 Is the answer C?
Thursday, September 25, 2014 at 4:27pm

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