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December 20, 2014

Homework Help: Math

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MATH
ARE THE FOLLOWING EQUATIONS INVERSES? y=x^4-7 and y=∜ x+7
Wednesday, November 19, 2014 at 7:15pm

math
Juan and rachel have the same number of marbles. Rachel gives away 10 marbles and Juan gives away 22 marbles. Rachel then has 3 times as many marbles as Juan. How many marbles did each of them have at first
Wednesday, November 19, 2014 at 7:06pm

Math
How do I solve for x in: 1/x > x I need to do it both algebraically and graphically, but I'm not sure how to do so. Thanks!
Wednesday, November 19, 2014 at 7:00pm

Math Help!!
What is the actual measurments of your room? My answer Height= 10ft Width=9ft 6 in. What is the scale that you will use for your scale drawing? 24=1 inch What will the dimensions of your room be in your scale drawing? I don't know how to answer this question. Please help me.
Wednesday, November 19, 2014 at 6:28pm

Math
The members of the Farrell family are Mona, the mother; Scott, the father; Kellie, Katie, Kristin, and Karen, the daughter ; and Kyle the son Consider the ordered pairs (x,y) where x is the mother of y. A.. List the ordered pairs in this set B.. If you are given the mother'...
Wednesday, November 19, 2014 at 6:21pm

Math Help!!
I have to do a scale drawing. The actual measurments of my room are 9 ft 6 inch* 10 ft. The scale that I am using for my scale drawing is 24 inches=1 inch. What will the dimensons of my room be in my sclae drawing? I dont know how to figure this out.
Wednesday, November 19, 2014 at 6:15pm

Math
What does 24.305 round to
Wednesday, November 19, 2014 at 6:10pm

math
A goalie's saves ( 12) and goals scored against ( 6 ) are shown. Did the goalie save at least 65% of the shots on goal?
Wednesday, November 19, 2014 at 5:47pm

Math please help out
What are the dimensions of a football field in feet? If one side is 53 1/3 yards and the other is 120 yards? Please help answer B. A chalk line is placed around the perimeter of the football field. What is the length of this line in feet? C. About how many laps around the ...
Wednesday, November 19, 2014 at 5:38pm

math
multiply (-6 -x) (6+x) is the correct answerer 0?
Wednesday, November 19, 2014 at 4:40pm

math!!!!!!
multiply x(x+y +2) im lost can some one explain
Wednesday, November 19, 2014 at 4:37pm

MATH!!
A caterer is planning a large party for 231 guest. Each table must seat an equal number of guest , more than 1 guest and fewer than 20. Determine the number of possible table sizes. If the caterers use 11 persons tables, how many tables will they need? there are blank ...
Wednesday, November 19, 2014 at 4:07pm

math
A company will need $30,000 in 7 years for a new addition. To meet this goal the company deposits money in an account that pays 7% anual intrest compound quarterly. Find the amount that should be invested to reach $30,000 in 7 years?
Wednesday, November 19, 2014 at 3:42pm

math!
GCD (24,20)IS 4. sINCE gcd (4,12) IS 4, THEN gcd (24,20,12) is 4. use this approach and the euclidean algorithim to find the GCD ( 722, 2413,209) WHAT IS THE gcd?
Wednesday, November 19, 2014 at 3:32pm

Math
7/15 divided by 3/10 =
Wednesday, November 19, 2014 at 2:48pm

Math
what is the solution to the system of equations? 5x + 4y = 8 x - 2y = 10 (not multiple choice) my answer: (-5, -1) What are the missing values? (coincident) 4x + 5y = 8 8x + ____ y = _____ (Not multiple choice) Im not sure how to do this one collection of dimes and nickels is ...
Wednesday, November 19, 2014 at 1:58pm

MATH HELP
What is the greatest prime to consider weather to test 1881 is prime. the greates prime to consider is?
Wednesday, November 19, 2014 at 1:48pm

math
A fabric manufacturing company has a fabric that is 36 inches wide. If the company needs 75 sq. yards, how many linear feet does the manufacturing team need to produce? NEED HELP!
Wednesday, November 19, 2014 at 1:43pm

math
A fabric manufacturing company has a fabric that is 36 inches wide. If the company needs 75 sq. yards, how many linear feet does the manufacturing team need to produce?
Wednesday, November 19, 2014 at 1:42pm

Math Help!!!
Russell Grossman is training for the Olympics. He wants to know the distance across lake royal, so he can write in his training logbook how far he rows each day. If from one point on the shore to one side of the lake is 13 km and from the same point to another side of the lake...
Wednesday, November 19, 2014 at 1:18pm

Math Help!!!
Russell Grossman is training for the Olympics. He wants to know the distance across lake royal, so he can write in his training logbook how far he rows each day. If from one point on the shore to one side of the lake is 13 km and from the same point to another side of the lake...
Wednesday, November 19, 2014 at 1:08pm

math
what is the cost of 1 dozen muffins and 9 dozen muffins
Wednesday, November 19, 2014 at 12:54pm

math
how many feet are in a yard
Wednesday, November 19, 2014 at 12:48pm

math
At breakfast Gino drank 2/3 of the orange juice in a container. He drank 15 ounces of orange juice. Write a multiplication equation that you can use to find out the amount of orange juice that was in the container before Gino had breakfast?
Wednesday, November 19, 2014 at 11:40am

MATH!!!
Al saves pennies. He agreed to give 5/11 of his pennies to bev . If she would give 5/11 of what she got from al to carl and in return if he would give 5/11 of what he got from bev to danni, carl and agreed and danni recived 750 pennies . How many pennies did al have?
Wednesday, November 19, 2014 at 11:32am

Math
a company will need $30,000 IN 7 YEARS FOR AN ADDTION. TO MEET THIS GOAL THE COMPANY DEPOSITS MONEY IN AN ACCOUNT TODAY THAT PAYS 7% ANNUAL INTREST COMPONDED QUARTERLY. TO FIND THE AMOUNT THAT SHOULD BE INVESTED TO $30,000 IN 7 YEARS. HOW MUCH SHOULD THE COMPANY INVEST?
Wednesday, November 19, 2014 at 11:24am

math
Ashley recently opened a store which sells only natural ingredients. She wants to advertise her products by distributing bags of samples in her neighborhood. It takes one person 2 minutes to prepare one bag. How many hours will it take to prepare 900 bags of samples if Ashley ...
Wednesday, November 19, 2014 at 9:57am

math
The point of the minute hand on a church clock travels 180 cm faster than the point of the hour hand in one complete revolution. If the hour hand is 60 cm long how long is the minute hand?
Wednesday, November 19, 2014 at 8:11am

math
4-0.2 * (0.4+0.7)
Wednesday, November 19, 2014 at 6:04am

math
arrange the following fraction in increasing order 1/8, 3/2, 2/9, 5/6
Wednesday, November 19, 2014 at 4:21am

math
On a map of scale 1:10,000 the area of a lake is 12cmsquare .what is the area of the actual lake?
Wednesday, November 19, 2014 at 1:23am

Math
determine the resulting equation if one variable is solved in terms of the other varaiable in one equation and substitute this variable in the other equation. 1.) 4x+y=6 x-2y=15 2.) 2x+y=10 4x+2y=5
Wednesday, November 19, 2014 at 1:23am

math
who makes rainwater mix with dirt?
Tuesday, November 18, 2014 at 11:44pm

Math
There are 4 brownies to share among 7 friends . How many brownies woukd each friend get ? A) solve this problem with a diagram and with a equation . B) describe the connections you see between the diagram and the equation
Tuesday, November 18, 2014 at 11:18pm

math
determine the resulting equation if one variable is solved in terms of the other variable in one equation and substitute this variable in the other equation. 1.) 2x+5y=9 -x+y=2 2.) 3x+y=2 9x+2y=7 3.) x-y=-3 3x +y=19
Tuesday, November 18, 2014 at 11:00pm

math
i have 50 coins in quarters and nickels. if the total value is $5.90, how many of each coin do i have ?
Tuesday, November 18, 2014 at 10:31pm

math
determine the resulting equation if one variable is solved in terms of the other variable in one equation and substitute this variable in the other equation. 1.) x=-y+7 x-y= -9 2.) y=2x 4x +3y=20 3.) y=2x +5 3x-2y=5
Tuesday, November 18, 2014 at 10:27pm

3rd grade math
Why are there no columns or rows that contain all odd numbers?
Tuesday, November 18, 2014 at 10:08pm

3rd grade math
Carl shades a row on a multiplication table. The products in the row are all even. The ones digits in the products repeat 0,4,8,2,6. What row does Carl shade? Now I am awful at math and don't even begin to understand this question!! Please help
Tuesday, November 18, 2014 at 10:05pm

Math- Combinations
A math department is allowed to tenure 4 of 19 eligible teachers. In how many ways can the selection for tenure be made? n!/(n-r)!r! = 4!/-15!19!
Tuesday, November 18, 2014 at 9:52pm

math
In voting for the fifth grade class president only 1/3 of the students cast votes. What fraction of the whole class voted for tim for selena who received the most votes. Class president candidate fraction votes received Tim 2/6 SELENA 1/4 Is the answer 2/18 for tim And 1/12 ...
Tuesday, November 18, 2014 at 9:16pm

math
A recipe calls for 2 2/4 cups of raisins, but Julie only has a 1/4 cup measuring cup. How many 1/4 cups does Julie need to measure out 2 2/4 cups of raisins? My answer is, Julie need 10 cups.
Tuesday, November 18, 2014 at 9:12pm

Math
Please help. We have to use these digits to solve the two numbers - 2, 9, 4, 3, 6, 7. The difference between the two numbers is 377. What are the two numbers?
Tuesday, November 18, 2014 at 9:09pm

Math Help
Use all digits in the box time to solve puzzle. 2, 9, 4, 3, 6, 7. Difference between these two numbers is 377. What are the numbers?
Tuesday, November 18, 2014 at 8:54pm

4th grade Math
What is an expression that can be used to find 4 x 275 using mental math and properties of numbers?
Tuesday, November 18, 2014 at 8:45pm

Math
Mr. Sugar baked a sheet cake in the shape of a rectangular prism with the deminisions of 20in by 12in by 3in high he is going to spread icing all over the cake except for the bottom what is the total surface area?
Tuesday, November 18, 2014 at 8:43pm

math
Erica had 7/8 of a pizza left. Her friend ate 1/6 of the pizza that was left. What fraction of the whole pizza did her friend eat.is the answer 7/48
Tuesday, November 18, 2014 at 8:39pm

math
Susan picked a squash that weighed 8/15 LB. Larry picked a squash that weigh 1/4 as much as susan squash. How much did larry squash weigh. Is the answer 8/60
Tuesday, November 18, 2014 at 8:19pm

English
Which of the following is a fragment a.because we had tickets. b.running past first base. c. Athletes understanding the purpose of practice. d. all of the above. I am think d Which of the following is a fragment? A.Here are the answers to the math questions. b.There seems to ...
Tuesday, November 18, 2014 at 8:12pm

math
A rectangle has a length of 3/8 foot and a width of 2/3 foot what is the area of the rectangle. Is the answer 1/4 square feet
Tuesday, November 18, 2014 at 8:08pm

math
An art teacher has 1 1/2 pounds of red clay and 3/4 pound of yellow clay. The teacher mixes the red clay and yellow clay together. Each student in the class needs 1/8 pound of the clay mixture to finish the assigned art project for the class. How many students can get enough ...
Tuesday, November 18, 2014 at 7:58pm

math Help!!!!!!
I need to draw a scale of my room which is 9ft 6in. how do I work this out?
Tuesday, November 18, 2014 at 7:50pm

Math
The members of the Farrell family are Mona, the mother; Scott, the father; Kellie, Katie, Kristin, and Karen, the daughter ; and Kyle the son Consider the ordered pairs (x,y) where x is the mother of y. A.. List the ordered pairs in this set B.. If you are given the mother'...
Tuesday, November 18, 2014 at 7:48pm

Math
Bud and frank were playing a game together and together they scored 56 points. Buds score was 8 times higher than franks what are their scores Sent email to teacher and she said #s are correct, I can't figure this out. Any help would be great
Tuesday, November 18, 2014 at 7:36pm

math
I don't think my first response went thru...so reposting! Thank You Ms. Sue, for the answer to cubic inches (11/16/14). It also made me realize that I skipped the step of multiplying the dimensions by each other.
Tuesday, November 18, 2014 at 7:31pm

math
Mrs garcia had 2/3 of a pumpkin pie left. Her son ate 3/8 of what was left. What fraction of the whole pie did her son eat.
Tuesday, November 18, 2014 at 7:28pm

Math
What is the sum of. 3.567 21 and395.2
Tuesday, November 18, 2014 at 7:14pm

math
An art teacher has 1 1/2 pounds of red clay and 3/4 pound yellow clay together. Each student in the class. How many students can get enough clay to finish the project.
Tuesday, November 18, 2014 at 6:39pm

Math
Complete the Square f(x)= -x^2+2x
Tuesday, November 18, 2014 at 6:25pm

Math
Choose any number for p. Determine whether the following equation is true. (2p-3)(p+4)=2p^2-5p-12 I don't think this is true. Am I correct?
Tuesday, November 18, 2014 at 6:09pm

Math
Cassie has 1/2 pound of sugar in her cabinet. Her cake calls for 2/10 of a pound of sugar. How many cakes can she make? 1/2 + 2/10 5/10 + 2/10 = 7/10 is this correct
Tuesday, November 18, 2014 at 5:57pm

math
Sam grew three pumpkins for the pumpkin growing contest.The pumpkins weighed 24 1/8 lb,18 1/2 lb, and 32 5/16 lb. Find the total cost of the pumpkins. I don't get it????
Tuesday, November 18, 2014 at 5:50pm

Math
How are inequalities related to linear equations
Tuesday, November 18, 2014 at 5:48pm

math
A tank holds 15 litres of water.A cup holds 3/10 of a litre. How many cups of water does the tank hold
Tuesday, November 18, 2014 at 5:32pm

Math
Bud and frank were playing a game together and together they scored 56 points. Buds score was 8 times higher than franks what are their scores. I don't think the teacher gave me the correct numbers, this does not work out.
Tuesday, November 18, 2014 at 5:21pm

math
a basketball team needs 5 players. the team can choose from a group of 7 players. explain how to find the combinations of players that can be on the team.
Tuesday, November 18, 2014 at 5:17pm

math
how high is a tree that cast a 48ft shadow at the time a 12 ft pole cast a shadow which is 12 ft long. the tree hight is?
Tuesday, November 18, 2014 at 5:00pm

math
a rectangle had a length of 9 inches and a total area of 54 square inches. what is the width of the rectangle
Tuesday, November 18, 2014 at 4:58pm

math
multiply x (x+y+2) (-6 -x) (6+x) (-y^2 +2) (y^2-3)
Tuesday, November 18, 2014 at 4:52pm

Math
Find the value of b, if any, that will make the function differentiable at x = 0 g(x)= { x+b, x<0 cos(x), x≥0 can you help, I got 0 but I don't know if that will make the function differential at x=0.
Tuesday, November 18, 2014 at 4:41pm

Math
Bud and frank were playing a game together and together they scored 56 points. Buds score was 8 times higher than franks what are their scores
Tuesday, November 18, 2014 at 4:39pm

Math
Find the value of b, if any, that will make the function differentiable at x = 0 g(x)= { x+b, x<0 cos(x), x≥0 can you help, I got 0 but I don't know if that will make the function differential at x=0.
Tuesday, November 18, 2014 at 4:31pm

math
simplify the expression -3 -(2-4x)
Tuesday, November 18, 2014 at 4:30pm

5th grade math
how many flowers do I have if...1/4 are pink...2/5 of remaining flowers are red...18 are yellow
Tuesday, November 18, 2014 at 4:13pm

math
Use a graphing utility to approximate the solutions (to three decimal places) of the equation in the interval [0, 2π). 9x cos x − 9 = 0
Tuesday, November 18, 2014 at 4:05pm

math
What is the greatest prime to consider to test wheather 1579 is prime. What is the greastest prime?
Tuesday, November 18, 2014 at 4:03pm

Math
a book store gave 30% discount to every 20th and 21st custmer to enter, AND A FREE BOOK TO EVERY 100TH CUSTMER. the first custmer to recive both a book and discount is what number?
Tuesday, November 18, 2014 at 4:00pm

math
GCD (24,20) IS 4. sINCE gcd(4,12 ) is 4 then GCD (24,2012 IS 4 USE Euclidem LGERITHM TO FIND THE gcd 722, 2413,209
Tuesday, November 18, 2014 at 3:56pm

Math
1. y^5 * y^14 A. 2y^19 B. y^60 C. y^19*** D. 2y^60 2. w^12/ w^18 A. w^30*** B. w^-30 C. w^6 D. w^-6
Tuesday, November 18, 2014 at 2:28pm

Math
1. y^5 * y^14 A. 2y^19 B. y^60 C. y^19*** D. 2y^60 2. w^12/ w^18 A. w^30*** B. w^-30 C. w^6 D. w^-6
Tuesday, November 18, 2014 at 1:57pm

statistics
suppose that 70% of all college students love math. in a random sample of 8 college students, let x be the number of students who love math.find p(x=6)
Tuesday, November 18, 2014 at 1:19pm

Bus. Math
What payment should be made on an invoice in the amount of $3400 dated August 7 if the terms of the sale are 3/15,2/30,n/45 and the bill is paid on August 19 and September 3
Tuesday, November 18, 2014 at 12:48pm

math
a line segment is 1000 millimeters long . what is the length of the segment in centimeters
Tuesday, November 18, 2014 at 12:27pm

math
A phone company offers two monthly plans. Plan A costs $11 plus an additional $0.12 for each minute of calls. Plan B costs $27 plus an additional $0.07 for each minute of calls. when do the two planscost the same?
Tuesday, November 18, 2014 at 12:26pm

math
what is the ratio of 3 tablespoons to 2:1 fluid onces
Tuesday, November 18, 2014 at 12:23pm

Math
Which of these situations can you represent with the inequality X < and = 49? 1. You must be no more than 49 inches tall to go on this ride. 2. A loaf of bread must be baked for at least 49 minutes. 3. You have no more than 49 minutes left on a parking meter. 4. The bill at...
Tuesday, November 18, 2014 at 12:17pm

Math
The coordinats of C are (8,B) and dicoordinats ara (14,2) is CD=(6,-4) find thf value of B?
Tuesday, November 18, 2014 at 12:15pm

math
Patricia donated 1 pint of blood to the blood bank. The lab assistant divided Patricia’s blood equally into 3 bags. How much blood was in each bag
Tuesday, November 18, 2014 at 11:23am

math
14. Simplify the expression. -5+i/2i
Tuesday, November 18, 2014 at 10:42am

math
15. What is the solution of the linear-quadratic system of equations? y=x^2+5x-3 y-x=2
Tuesday, November 18, 2014 at 10:32am

6G Math (pls check my answer)
Solve the inequality. y+3<6 My answer: y+3<6 y+3-3<6-3 y<3 Am I correct?
Tuesday, November 18, 2014 at 10:09am

math
Studies shown that gasoline use or compact cars sold in the U.S. is normally distributed, with a mean of 25.5 mpg and standard deviation of 4.5 mpg. Find the range of mileage for the middle 60% of compact cars.
Tuesday, November 18, 2014 at 9:35am

math
12.3x10 to the power of 11 x 1.5x10 to the power of negative 12
Tuesday, November 18, 2014 at 8:12am

math
6/(2x - y) + 7/(3y -x)= 7 4/(2x - y) + 14/(3y -x) =6 Please explain step by step to solve this equation.
Tuesday, November 18, 2014 at 3:14am

math
A test consists of 120 questions. Each correct answer, each wrong answer and unanswered question in the test carry 1 Mark, 0.5 Mark and 0.25 Mark respectively. Find the maximum number of questions that the candidate could have answered wrongly in the test, if he scores 50 ...
Tuesday, November 18, 2014 at 1:48am

Math
The ratio of South American butterflies to European butterflies is 3:2. There are 18 South American butterflies at the park. How many European butterflies are there?
Tuesday, November 18, 2014 at 12:12am

math
how you do percentages?
Monday, November 17, 2014 at 11:59pm

Math
The ratio of North American butterflies to South American butterflies at a butterfly park is 5:3. There are 30 North American butterflies at the butterfly park. How many South American butterflies are there?
Monday, November 17, 2014 at 11:46pm

math
a pack of cardinal flower seeds costs $4, and a pack of petunia flower seeds costs $2.50. you buy the same number of packs of each type of flower and spend $39. How many pack of each do you buy? write an equation to solve.
Monday, November 17, 2014 at 11:14pm

Math
A collector has 120 movie posters and 100 band Posters. She wants to sell 24 movie posters but still have her poster collection maintain the same ratio of 120: 100. If she sells 24 movie posters, how many band posters should she sell? Explain
Monday, November 17, 2014 at 10:55pm

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