Friday

May 22, 2015

May 22, 2015

**Math**

My son is having a math test tomorrow I am unable to tell properly. Thank u so much for u r help ~Be able to identify and draw the following: triangles, rectangles, squares, trapezoids, pentagons, hexagons, and cubes. ~Tell how many sides and angles the shapes have. ~Explain ...
*Monday, February 10, 2014 at 5:23pm*

**Math 7**

21. $1,000 plus 6% on sales of $2,000 22. $500 plus $10 on sales of $1,400
*Monday, February 10, 2014 at 4:55pm*

**6grade math**

When Marcia started walking a 6 mile section of a trail it took 3.3 hours. After 1 week her time was 3.1 hours and after 2 weeks it was 2.9 hours. If the pattern continues what will Marcia time be after 5 weeks? Help!
*Monday, February 10, 2014 at 4:51pm*

**Math**

A scale drawing has a scale of 1/4 in. :6ft. Find the length on the drawing for each actual length a.18ft b. 66ft c. 204ft
*Monday, February 10, 2014 at 4:41pm*

**math 3**

Mc kenzie works for a catering company. she is making iced tera for an upcoming event. for each container of tea, she uses 16 tea bags and 3 cups of sugar. If Mc kenzie uses 64 tea bags, how many cups of sugar will she use?
*Monday, February 10, 2014 at 4:40pm*

**6grade math**

When Marcia started walking a 6 mile section of the trail , it took her 3.3 hours. After 1 week, her time was 3 . 1 hours, and after two weeks, it was 2.9 hours. If the pattern continues what will Marcia time be after two weeks? Help!
*Monday, February 10, 2014 at 4:39pm*

**math 2**

ellen needs to buy 180 inches of ribbon to wrap a large present. the store sells ribbon only in whole yards. How many yards does ellen need to buy to have enough ribbon? Please answer thanks
*Monday, February 10, 2014 at 4:38pm*

**Math**

$1,000 plus 6% on sales of $2,000 $500 plus $10 on sales of $1,400
*Monday, February 10, 2014 at 4:37pm*

**math**

micheal is 17 years older than john.in 4 years the sum of their ages will be 49. find micheals present age
*Monday, February 10, 2014 at 4:21pm*

**Math**

Christy Bought an 8-foot peice of lumber to trim a bookself.altogether she needs 100inches of lumber for the trim.Did christy buy enough lumber explain
*Monday, February 10, 2014 at 4:15pm*

**math**

The pet shop owner told Jean to fill her new fish tank 3/4 full with water. Jean filled it 9/12 full. What fraction of the tank does Jean still need to fill?
*Monday, February 10, 2014 at 4:08pm*

**Math**

When Marcia started walking a 6 mile section of the trail, it took her 3.3 hours.After 1week her time was 3.1hours and after 2 weeks, it was 2.9 hours. If the pattern continues, what will Marcia's time be after 5 weeks?
*Monday, February 10, 2014 at 4:06pm*

**Math-CHECK ANSWERS**

hi please check these math answers! 13. If 4 out of 20 people like red jelly beans, what percent of the people do not like red jelly beans? A.5% B.20% C.80%(I PICK THIS) D.90% 14. Sally is photocopying a picture. The original picture was 4 inches wide and 6 inches long. The ...
*Monday, February 10, 2014 at 3:37pm*

**Math**

If I paid $1000 for a corporate bond and this year the bond paid $60 in interest and I am in the 25% income tax bracket! what is my after-tax return on this bond
*Monday, February 10, 2014 at 3:21pm*

**math**

(x + 5)^2
*Monday, February 10, 2014 at 3:18pm*

**Math(CHECK ANSWERS)**

PLEASE CHECK MY MATH ANSWERS PLEASE AND LABEL THEM LIKE 1.WRONG AND STUFF THANKS ! 1.There are 5 red crayons, 6 yellow crayons, and 11 blue crayons in a shoebox. What is the ratio of the total number of crayons to the number of yellow crayons? A.6:22 B.6:16 C.22:6(I PICK THIS...
*Monday, February 10, 2014 at 3:13pm*

**math(HELP)**

PLEASE ANSWER THESE BEFORE I LOSE MY MIND !!! 19. What is the amount of sales tax owed on a $350 laptop computer if the tax rate is 6%? A.$2.10 B.$21.00 C.$35.00 D.$46.00 20. Find the amount of the discount on a $120 bicycle that is on sale for 25% off. A.$25.00 B.$30.00 C.$73...
*Monday, February 10, 2014 at 2:46pm*

**Math, science, trinogonomentry**

1, solve triangle ABC which have angleA= 250.251 angleB=600.511 and a=3.82 find c
*Monday, February 10, 2014 at 1:15pm*

**Math, science, trinogonomentry**

1, solve triangle ABC which have angleA= 250.251 angleB=600.511 and a=3.82 find c
*Monday, February 10, 2014 at 1:11pm*

**math**

Find the area for the circle (use 3.14 for pi). Show your work. Round to the nearest tenth. the radius is 23 yd 22. Find the circumference of the circle (use 3.14 for pi). Show your work. Round to the nearest tenth.
*Monday, February 10, 2014 at 12:46pm*

**Math**

Assume that it takes a college student an average of 5 minutes to find a parking spot in the main parking lot. Assume also that this time is normally distributed with a standard deviation of 2 minutes. What time is exceeded by approximately 75% of the college students when ...
*Monday, February 10, 2014 at 11:27am*

**math**

the coordinates for a triangular park has the vertices of (10.5), (15,5), (10,12). what is the area of the triangular park in square meters?
*Monday, February 10, 2014 at 11:11am*

**Math easy please help**

I just need help with rounding for making sure I round my answer correctly. Can you round this 1.299678785 to the nearest hundredth Thanks :)
*Monday, February 10, 2014 at 11:03am*

**Math Urgent help please**

A lamppost casts a shadow of a man who is standing 15 feet away from the lamppost. The shadow is 5 feet long. The angle of elevation from the tip of the shadow to the lamp is 50. To the nearest foot, the lamppost is _____ feet tall. (Points : 2)
*Monday, February 10, 2014 at 10:50am*

**Math**

Tory has two similar picture frames in her bathroom the ratio of the larger picture frame to the smaller picture is 5:2 if the perimeter of the smaller picture is 30 in what is the perimeter of the bigger picture frame
*Monday, February 10, 2014 at 9:20am*

**math**

20 tickets for 960 what is price of each ticket
*Sunday, February 9, 2014 at 11:45pm*

**Math**

A rocket engine, 2.39 cross 10−5watts/cm2
*Sunday, February 9, 2014 at 10:54pm*

**Math**

The combined math and verbal scores for students taking a national standardized examination for college admission, is normally distributed with a mean of 620 and a standard deviation of 220. If a college requires a student to be in the top 10 % of students taking this test, ...
*Sunday, February 9, 2014 at 10:05pm*

**math**

rewritten as a power of 2 with a rational exponent, the expression 4*squared root of 2 would equal which of the following. 1) 2 so 2 is just 2 2)2^2 which would =4 3) 2^5/2 this =5.65 4)2^5 this=32 4*square root of two=5.65 so I believe the answer is 3. Is that correct? Thanks...
*Sunday, February 9, 2014 at 10:03pm*

**math**

A bag of buttons contains 3 red, 4 orange, 7 green and 10 blue battens. How many orange buttons should be added so that makes up 1/4 of the total? (Remember, if you add more orange buttons, your total buttons will also increase.) Pla help due tomorrow
*Sunday, February 9, 2014 at 9:58pm*

**math**

Help please >.< The Hotel Lakewell has 450 rooms. Currently the hotel is filled . The daily rental is $ 750 per room. For every $ 4 increase in rent the demand for rooms decreases by 7 rooms. Let x = the number of $ 4 increases that can be made. - What should x be so as ...
*Sunday, February 9, 2014 at 9:55pm*

**MATH HELP!!!!!!!!**

| 3 2 7 | x1 | | 46 | | -2 1 4 | x2 | = | 12 | | 6 -5 8 | x3 | | 60 | (b). Solve the system using the inverse of the coefficient matrix. (x1, x2, x3) = (________)
*Sunday, February 9, 2014 at 9:22pm*

**math**

The profit in dollars in producing x- items of some commodity is given by the equation P = - 40 x^2 + 1000 x - 5250 . How many items should be produced to maximize the profit? What is the maximum profit?
*Sunday, February 9, 2014 at 8:56pm*

**math**

the seismic waves of a magnitude 6 earthquake are 10 squared times as great as a magnitude 4 earthquake. The seismic waves of a magnitude 4 earthquake are 10 times as great as a magnitude 3 earthquake. How many times as great are the seismic waves of a magnitude 6 earthquake ...
*Sunday, February 9, 2014 at 8:49pm*

**math**

lemon juice is 10 squared times as acidic as tomato juice . Tomato juice is 10 cubed times as acidic as egg white. How many times as acidic is lemon juice as egg whites? write as a monomial. how do I solve this
*Sunday, February 9, 2014 at 8:45pm*

**Math Mixture Word Problem**

How much water must be added to 1 liter of a 5% saline to get a 2% saline solution
*Sunday, February 9, 2014 at 8:41pm*

**math**

If an IV drop has 15 parts per 1,000 ml, how many parts would there be in 430 ml?
*Sunday, February 9, 2014 at 8:30pm*

**math**

Gina is adding a lace border to a circular pillow. The radius of the pillow is 8 inches, and she needs to decide how much lace to buy. Which length represents the least amount she can buy? 1) 26 inches 2) 51 inches 3) 101 inches 4) 202 inches p=2pir p=2pi8 p=16pi p=50.2 I ...
*Sunday, February 9, 2014 at 8:15pm*

**math**

Brett made a scale drawing of a rectangular room in his house. The actual length of the room is 12 4/5 ft. The scale used to make the drawing was 1/4 in.=1 ft. What is the length, in inches, of the room on the drawing?
*Sunday, February 9, 2014 at 7:53pm*

**math**

One weekend, there were 95 pizzas ordered for the sophomore dorm. That weekend 19 customers ordered their pizza with just pepperoni, 17 customers ordered their pizza with just sausage, 18 ordered theirs with just onions, 15 ordered theirs with pepperoni and sausage, 13 ordered...
*Sunday, February 9, 2014 at 6:56pm*

**math**

In a survey of 25 college students, it was found that 9 were taking an English class, 14 were taking a math class, and 8 were taking both English and math. How many students were taking a math class only
*Sunday, February 9, 2014 at 6:48pm*

**Math**

17x-5-12x
*Sunday, February 9, 2014 at 6:42pm*

**math**

Solve the set of linear equations by the matrix method:a+3b+2c=3,2a-b-3c=-8,5a+2b+c=9 sove for a
*Sunday, February 9, 2014 at 5:50pm*

**Math**

A bag of buttons contains 3 red, 4 orange, 7 green and 10 blue battens. How many orange buttons should be added so that makes up 1/4 of the total? (Remember, if you add more orange buttons, your total buttons will also increase.)
*Sunday, February 9, 2014 at 5:38pm*

**Math**

A bag of buttons contains 3 red, 4 orange, 7 green and 10 blue battens. How many orange buttons should be added so that makes up 1/4 of the total? (Remember, if you add more orange buttons, your total buttons will also increase.)
*Sunday, February 9, 2014 at 5:15pm*

**math**

Richard is flying a kite at an angle elevation of 52 degrees. he is 5 ft tall. If richard is standing 100 ft from the point on the ground directly below the kite, compute the length of the kite string.
*Sunday, February 9, 2014 at 5:05pm*

**Math**

Lou and Jan each ate 1/4 of an apple. Is there more than , less than , or exactly 1/2 of the apple left ? Explain. I don't know
*Sunday, February 9, 2014 at 4:03pm*

**math**

how to solve linear functions f(x)= 2x if x greater than or equal to -1 x-1 if x less than -1
*Sunday, February 9, 2014 at 3:45pm*

**Pre Algebra**

Hi, does anybody know what a quadrilateral in which opposite sides are congruent and parallel is? It's on a crossword puzzle on my math homework and is thirteen letters long and from the beginning the seventh letter is an E. Thanks so much to anyone who will help me out!
*Sunday, February 9, 2014 at 1:45pm*

**math;)**

a kitchen is shaped like a rectangle with dimensions of 11 1/2 ft. by 9 1/2 ft. the floor of the room is made of square tiles with a side length of 1.2 ft. What is the number of tiles that will cover the kitchen floor?
*Sunday, February 9, 2014 at 12:47pm*

**MATH?!!?**

a store sells ladders. . the retail price was a 40m percent markup over the manufacturer price. .a month later, the store reduced the retail price of the ladder by 25 percent What percent markup is the new retail price over the manufacturer price?
*Sunday, February 9, 2014 at 12:44pm*

**math**

differnce btween eight times a number twice the number is 18
*Sunday, February 9, 2014 at 12:22pm*

**Math :-)**

Explain why knowing the height is needed when finding the perimeter of a right triangle.
*Sunday, February 9, 2014 at 12:10pm*

**Math Help**

Please help me solve these two problems and check my answer :) 1. 3x-5+x+2 My answer- X= 17/3 2. 5/6x+1/4= -9/4 my answer- X= -2
*Sunday, February 9, 2014 at 11:53am*

**math**

$8000 is shared between 3 schools in the ratio of 2:3:5, how much will each school get?
*Sunday, February 9, 2014 at 10:52am*

**math!!!!**

One lap around the track is equal to 1/8 of a mile. A horse ran a distance of 9 laps in 2 minutes and 30 seconds. What was the horse's average speed in miles per minute?
*Sunday, February 9, 2014 at 10:41am*

**MATH**

john mixed 3/4 liter of yellow paint with 1 1/4 liters of red paint to make 2 liters of orange paint. . He needed more orange paint. . To make a new batch of orange paint, he used exactly 1 liter of red paint. Using the same ratio, how many liters of yellow paint should john ...
*Sunday, February 9, 2014 at 10:39am*

**math**

The only way to get to Ship Island is to take the ferry which is free for babies (2 and under), $17 for children (3-10 years old), $25 for seniors (62 and older), and $27 for everyone else. Debbie paid $115 for 6 people in her family to go to the island for the day. Is it ...
*Sunday, February 9, 2014 at 7:05am*

**math**

A student has 4 English books,3 math books,and 5 history books.In how many ways can these books be arranged on a shelf if the books in same subjects must be kept together?
*Sunday, February 9, 2014 at 4:54am*

**math**

Lenny's height has increased by 1 (3/4) times his height at 3 years old. In percentage terms, how much has Kenny grown?
*Saturday, February 8, 2014 at 10:58pm*

**math**

kyle reduced his investment in collins company from $11, 700 to $4,300. what was the percentage rate of decrease?
*Saturday, February 8, 2014 at 10:51pm*

**Math**

Let f(x) be a polynomial such that f(cos theta) = cos(4 theta) for all theta. Find f(x). (This is essentially the same as finding cos(4 theta) in terms of cos theta; we structure the problem this way so that you can answer as a polynomial. Be sure to write your polynomial with...
*Saturday, February 8, 2014 at 9:52pm*

**math**

In Lewis Carroll's Through The looking Glass, Tweedledum says, "the sum of your weight and twice mine is 361 pounds". Tweedledee replies, "The sum of your weight and twice mine is 362 pounds". Find both weights. ONLY AN ALGEBRAIC SOLUTION WILL BE ...
*Saturday, February 8, 2014 at 8:57pm*

**math**

I need help with "write in equation in slope-intercept form for the line that is parallel to to the given line line and and that passes through the given point. y=1/2x=5;(4,-3) How do you find a line that is perpendicular. Please and thank you! :)
*Saturday, February 8, 2014 at 7:30pm*

**Math Sums and Differences**

Use the strategy of your choice to find the sums and differences below. a)(-4)+(10)+(4)+(-2) b)(5)+(-8)+(3)+(-7) c)(-19)+(14)+(21)+(-23) d)(5)-(-10)-(4) e)(-3)-(-3)-(-3) f)(+26)-(-32)-(+15)-(8) Continue each pattern, 3 times a) 5,2,-1,-4,-,-,- b) -11,-7,-3,1,-,-,-
*Saturday, February 8, 2014 at 5:53pm*

**G.7 Math**

Hey guys I need help with subtracting integers. A) (-8) - (6)= B) (-9) - (-6)= C) (-3) - (7) D) (-23) -(8) E)(90) - (-50) F)(-17) -(23) G)(40) - (-25) H) (-2)- (100) I)(33) - (-18)
*Saturday, February 8, 2014 at 5:38pm*

**math**

how do you integrate 3-e^1?
*Saturday, February 8, 2014 at 5:32pm*

**Math**

Practice adding and subtracting fractions. 1/ Jill's friends met at her house to go on a hike to the lake.they walked 1/4 of the way and then rested. How much further do they have to go to reach the lake? I don't know 2/ When they reached the lake , they took a swim....
*Saturday, February 8, 2014 at 5:05pm*

**math**

at midnight the temperature was 28 degrees colder than it was at noon. The temperature at midnight was 34 degrees What was the temperature at noon
*Saturday, February 8, 2014 at 4:41pm*

**MATH**

A letter carrier can deliver mail to 112 homes per hour by walking and 168 homes per hour by driving. Question1: By what percent is productivity increased by driving? Question2: If a new ZIP Code system improves driving productivity by 12.5%, what is the new number of homes ...
*Saturday, February 8, 2014 at 2:02pm*

**math**

Last month, Bill's electric bill was $80.77. This month, Bill's bill was $69.06. What is the percent decrease?
*Saturday, February 8, 2014 at 1:55pm*

**Math**

Find Curvature, find the curvature k of the curve, where s is the arc length parameter. r(s)=(3+s)i+j
*Saturday, February 8, 2014 at 1:36pm*

**Math**

A simple calculation will reveal that 72 has 12 factors including 1 and 72. How many natural numbers less than 100 have 12 such factors
*Saturday, February 8, 2014 at 8:55am*

**math vector**

Find the Principal unit normal vector to the curve at the specified value of the parameter. r(t)=ti+t^(2)j+lntk, t=1
*Saturday, February 8, 2014 at 1:36am*

**Math - Alg**

How much pure acid must be added to a 30% acid solution to make a 60L solution which is 50% acid? This was the answer I got from Reiny. amount of pure acid to be added -- x L 1(x) + .3(60-x) = .5(60) 10x + 3(60-x) = 5(60) 10x + 180 - 3x = 300 7x = 120 x = 120/7 or appr 17.14 L...
*Saturday, February 8, 2014 at 1:06am*

**math**

Select the first five terms in the arithmetic sequence an = 8n, starting with n = 1
*Saturday, February 8, 2014 at 12:56am*

**Math**

A simple calculation will reveal that 72 has 12 factors including 1 and 72. How many natural numbers less than 100 have 12 such factors
*Friday, February 7, 2014 at 10:43pm*

**math**

a train leave Chicago at a 115 miles per hour towards Denver another train leaves Denver 105 miles per hour towards Chicago if the distance between the two cities is 1200 miles how long would it take before the two trains meet?
*Friday, February 7, 2014 at 9:47pm*

**Math**

Peter notices that the teenage students who are members of the math club have ages whose product is 611520. How many members does the club have? Extensions: Is it true that whatever number replaces 611520 that this problem has a unique solution? Suppose the club included 12 ...
*Friday, February 7, 2014 at 9:10pm*

**math**

Peyton has 2 pizzas. Each pizza is cut into 10 equal slices. She and her friends eat 14 slices. What part of the pizzas did they eat? Write your answer as a decimal. My answer is 1.4
*Friday, February 7, 2014 at 8:38pm*

**Math**

Can you help me in math please, I dont understand this. My book shows me the area of a parallelogram, and area of a triangle, but it show me what to do if there's fractions in the problem. A. 12 1/2 ft2 B. 7 7/8 ft2 C. 8 1/4 ft2 D. 15 3/4 ft 2 Thank you.
*Friday, February 7, 2014 at 7:41pm*

**Math**

Find the largest positive integer that leaves the same remainder when divided into each of 889, 961, 1009, and 1189
*Friday, February 7, 2014 at 7:20pm*

**Math**

Show that the equation 155x -465y 35 has no integer solutions
*Friday, February 7, 2014 at 6:46pm*

**Math**

A simple calculation will reveal that 72 has 12 factors including 1 and 72. How many natural numbers less than 100 have 12 such factors
*Friday, February 7, 2014 at 6:45pm*

**math linear equation**

Solve the linear equations by the matrix method:a+3b+2c=3,2a-b-3c=-8,5a+2b+c=9.solve for a:b:c
*Friday, February 7, 2014 at 5:54pm*

**Math**

How to find the solution to (y-1)^2 = 9?
*Friday, February 7, 2014 at 5:37pm*

**Math**

How do you find the solution set for x^2 + 6x + 9 = 0?
*Friday, February 7, 2014 at 5:16pm*

**Math**

(2x - 5)/(x^2) = -4 How do you graph this type of equation?
*Friday, February 7, 2014 at 5:12pm*

**math**

0.06 2/3 into a fraction
*Friday, February 7, 2014 at 4:44pm*

**Math**

Find the largest positive integer that leaves the same remainder when divided into each of 889, 961, 1009, and 1189
*Friday, February 7, 2014 at 4:19pm*

**Math**

In how many ways is it possible to spend exactly $200 on pumpkins if large pumpkins cost $5 and small $3
*Friday, February 7, 2014 at 4:19pm*

**math**

Ex. 120 m of fencing is to be used to form three sides of a rectangular enclosure , the fourth side being an existing wall . Find the maximum possible area of the enclosure
*Friday, February 7, 2014 at 3:30pm*

**math**

Mr. Brown has a piece of hose 11 ft long. He is going to cut it into 15 equal-length pieces.
*Friday, February 7, 2014 at 2:56pm*

**Math - Discrete math**

1). Let G be the statement: " for all real numbers a and b, if a -|_a_| < 1/2 and b - |_b_| < 1/2 then |_a + b_| = |_a_| + |_b_|" (the symbol is for the FLOOR of a and b) A. is G true? prove it b. state wether the CONVERSE, CONTRAPOSITIVE AND NEGATION ARE TRUE ...
*Friday, February 7, 2014 at 12:05pm*

**Math - Discrete math**

(1) For all integers y, there is an integer x so that x^3 + x = y. (2)For all integers x, x^3 + x is even Thank you for your help.
*Friday, February 7, 2014 at 11:44am*

**math**

1421/7=
*Friday, February 7, 2014 at 10:16am*

**Math **

What equation cannot be solved and why?
*Friday, February 7, 2014 at 8:56am*

**math**

the fourth term of an arithmetic progression is equal to 3 times the first term and the seventh term exceeds twice the third term by 1 find the first term and the common differrence
*Friday, February 7, 2014 at 8:31am*

**math**

rewrite these numbers (2,1,3)from biggest to smallest and draw the counters.what is the solution to that?
*Friday, February 7, 2014 at 8:28am*

**math**

IF CIRCLE IS NOT A POLYGON . SO ,HOW CAN WE SAY THAT IT HAS A STRAIGHT SIDES ?
*Friday, February 7, 2014 at 8:19am*