Sunday

February 1, 2015

February 1, 2015

**Branches of Math**

**Recent Math Questions**

Post a New Question | Current Questions

**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*

**math**

By what fraction would you multiply 8 1/2 so that the product is about 5? Plesae explain.
*Sunday, January 25, 2015 at 6:03pm*

**Math**

The mailman walk 3.1 km on his route. How many meters did he walk?
*Sunday, January 25, 2015 at 4:12pm*

**math **

does anyone know how could you use an area model to identify the binomial factors of a trinomial? explain
*Sunday, January 25, 2015 at 3:32pm*

**Math( Attn: Reiny)**

1. A rental business charges $12 per canoe and averages 36 rentals a day. For every 50-cent increase in rental price, it will lose two rentals a day. What price would yield the maximun revenue? I was told the answer by Reiny, but I couldn't get the right answer. I found ...
*Sunday, January 25, 2015 at 3:10pm*

**math**

what are all the rectangular pens you can build with 16 yds of fencing
*Sunday, January 25, 2015 at 3:03pm*

**math**

Water gained heat at the rate of 12° Celsius per minute for 5 minutes. It was then allowed to lose heat at 4° Celsius per minute. If the temperature before heating was 22° Celsius, what was its temperature after 8 1/2 minutes?
*Sunday, January 25, 2015 at 2:40pm*

**Math**

The correct restatement of 32% is
*Sunday, January 25, 2015 at 2:25pm*

**Math**

Write whether the statement is true or false. If false write a true statement. 1. A right triangle has three right angles. False a right triangle has 1 right angle 2. A triangle that has three sides of the same length is an equilateral triangle. True because all sides are ...
*Sunday, January 25, 2015 at 1:31pm*

**math**

Three clocks were set to ring at intervals as follows: the first after every 6 minutes the second after every 15 minutes the third after every 24 minutes if the clocks were set at the same time, after how many minutes did them ring together?
*Sunday, January 25, 2015 at 1:24pm*

**math**

Need help with inequality. If pet store sells at least 3 times more male birds as female birds, and x represents female birds and y represents male birds. Would the inequality be written as y >=3 ? Why or why not? Thanks
*Sunday, January 25, 2015 at 11:40am*

**concept development**

Which of the following is the crux of the interrelationship between mathematics and science? A. About half of the basic math concepts are related to science concepts. B. The basic concepts of mathematics are the basic process skills of science. C. Basic mathematics process ...
*Sunday, January 25, 2015 at 10:33am*

**math**

Suppose that the functions f and g are defined for all real numbers x as follows.f(x)=x+4,g(x)=3x+2.Write the expressions for(f*g)(x) and (f-g)(x) and evaluate (f+g)(4)
*Sunday, January 25, 2015 at 10:25am*

**math**

A video game Is On sale For 30% Off The rehilarious price Of $50. What Is The sale price Of The video game?
*Sunday, January 25, 2015 at 10:15am*

**Math**

If someone could help me with these that would be great! :) Directions: Solve the equations. 1.) tan4x=1 Location on Unit Circle: Period: General Solution: 2.) sec xcsc x=2 csc x Location on Unit Circle: Period: General Solution:
*Sunday, January 25, 2015 at 9:38am*

**math**

ist is 8=56 equal and 7=42 ,6=30,5=20 3=?
*Sunday, January 25, 2015 at 5:49am*

**math function2**

A ferris wheel turns at a constant speed. the lowest point of the wheel is ground level. a person is standing on a platform 4m about ground. The intervals between two successive times are alternatly 6 s and 18 s. Part A) what is the period of rotation? Part B) what is the ...
*Sunday, January 25, 2015 at 3:37am*

**Math ques2**

how do you get the range for grouped data that has open ended intervals?
*Sunday, January 25, 2015 at 3:33am*

**Math**

1. If the point (-3,30) is on the graph y=(x-1)^2+14, where will the point be on y=(x-8)^2-6? I don't understand what this is asking and how I can find this. 2. A rental business charges $12 per canoe and averages 36 rentals a day. For every 50-cent increase in rental ...
*Sunday, January 25, 2015 at 12:37am*

**Math .Static**

Consider two events A and B in the same sample space such that P(A)=0.4 and P(B)=0.3. Then A and B are mutually exclusive. True or False
*Saturday, January 24, 2015 at 10:59pm*

**Math**

1. "A bacteria population doubles in number every 3 hours. If there are 40 individuals now, how many in 24 hours?" SO I used the geometric series sum formula, with n=8(24/3=8), t1=40, and r=2, but I got 10200 as the answer, instead of what the answer key solves as ...
*Saturday, January 24, 2015 at 10:40pm*

**math**

The quadratic equation frequently appears in both the equilibrium and acid-base sections of General Chemistry. Therefore, it is useful to refresh the use of the quadratic before applying it to chemistry questions. Which of the following answers is a viable solution to the ...
*Saturday, January 24, 2015 at 10:39pm*

**math **

2x2 + 8x + 3 = 0
*Saturday, January 24, 2015 at 10:25pm*

**MATH Fractions**

I have two marbles. 1/6is blue. How many marbles do I have
*Saturday, January 24, 2015 at 10:08pm*

**Math**

True or false and if false write a true statement 1. A right triangle has three right angles. 2. A triangle that has three sides of the same length is an equilateral triangle. 3. An obtuse triangle has two angles that are acute. 4. In a right triangle the two angles that are ...
*Saturday, January 24, 2015 at 8:01pm*

**Math**

Suppose an object is dropped from a height h0 above the ground. Then its height after t seconds is given by h = −16t 2 + h0, where h is measured in feet. Use this information to solve the problem. A ball is dropped from the top of a building 59 ft tall. (Round your ...
*Saturday, January 24, 2015 at 7:55pm*

**math**

If p pencils cost d dollars, how many pencils can be bought for c cents?
*Saturday, January 24, 2015 at 5:29pm*

**Math**

Atop 50m tower, Jack sees smoke in two areas. One is on a bearing of 40degrees with an angle of depression of 8degrees, and the other on a bearing of 205degrees with and angle of depression of 13degrees. How far apart are the smoke sources? I'm not sure how bearings work ...
*Saturday, January 24, 2015 at 5:05pm*

**math**

At c cents per pound, what is the cost of a ounces of salami?
*Saturday, January 24, 2015 at 4:57pm*

**math**

A piece of fabric is cut into three sections so that the first is three times as long as the second and the second is three times as long as the third. What part of the entire piece is the smallest section?
*Saturday, January 24, 2015 at 4:55pm*

**math**

If 60 feet of uniform wire weighs 80 pounds, what is the weight of 2 yards of the same wire?
*Saturday, January 24, 2015 at 4:49pm*

**Math**

George is making a permanent for his favorite baseball team. He wants the short edge to be 14 inches and the height in the middle of the right triangle to be 24 inches. What is the length of diagonal side AB?
*Saturday, January 24, 2015 at 4:36pm*

**Math**

Q1.A tree was chopped by the Samuels family for the holidays. How tall was the tree originally if the piece they chopped down was 7feet tall, and fell 4 feet from the stump? Q2. Mr pratt's rake is leaning up against a wall. If the top of the rake hits the wall 5 feet above...
*Saturday, January 24, 2015 at 3:41pm*

**Math**

Hi! Can someone help me with these? I just learned about them yesterday but I'm really confused. All my teacher wants me to do is solve each equation and that's all the directions she gave. Thanks so much! 1.) 3cot^2 x-1=0 Location on Unit Circle: Period: General ...
*Saturday, January 24, 2015 at 3:32pm*

**Math**

Cannon wants to make a garden with a border of his yard. He has lumber in several different lengths. Which three lengths could be used to make a right triangle to fit into the corner of his yard? A. 4ft.,6ft.,10ft. B.7ft.,12ft.,15ft. C.5ft.,12ft.,13. D.10ft.,15ft.,20.
*Saturday, January 24, 2015 at 3:27pm*

**Math**

how could you change one of the squares so that a right angle would be created
*Saturday, January 24, 2015 at 3:10pm*

**math**

my sun in thea 1st grade me no understand to much english i need very much help what is 9+10=??? me having very hard time help asap
*Saturday, January 24, 2015 at 2:39pm*

**Math**

What simplified common fraction is equivalent to 0.05757575757
*Saturday, January 24, 2015 at 2:11pm*

**math**

if I save 3200 for 40 years with 9% interest rate how much will I have saved
*Saturday, January 24, 2015 at 11:15am*

**Math**

Check my math please... is the probability of three events with the following individual probs: 1/161x10/100x20/100=0.00012; and that is a 0.012% (1.2%) chance? Thanks
*Saturday, January 24, 2015 at 9:42am*

**math**

what are the next four of the sequence represented by the expression 3n+5?
*Saturday, January 24, 2015 at 8:41am*

**Math**

Hi! Can you check my answers to this worksheet? They're the only questions I'm not positive about my answers on. 1. Compared to its parent function, describe the transformation of the following: y = -x3 + 2 A. Reflected with respect to x-axis, moved up 2. B. Reflected ...
*Saturday, January 24, 2015 at 7:17am*

**math**

Perimeter of rectangle and a square are equal. Perimeter of the square is 96 cm and breadth of the rectangle is 4 cm less than the side of the square. Then two times the area of the rectangle is
*Saturday, January 24, 2015 at 3:19am*

**math**

A box with a square base and no top is to be made from a square piece of cardboard by cutting 4-in. squares from each corner and folding up the sides, as shown in the figure. The box is to hold 324 in3. How big a piece of cardboard is needed?
*Saturday, January 24, 2015 at 12:41am*

**math**

According to the US Bureau of the Census, the world population in the year 1950 was A=2555360972, and in 2000 it was B=6079006982. We'll use A and B so we don't have to keep writing those large and idiosyncratic numbers. We usually use y and x in the equation of a line...
*Friday, January 23, 2015 at 10:32pm*

**business math**

The French company has a beginning inventory of $77,000 and an ending inventory of $80,000. sales were $280,000. assume French's markup rate on the selling price 40%. based on the selling price what is the inventory turnover at cost. please explain?
*Friday, January 23, 2015 at 10:24pm*

**math**

Thank you for you help. The pie chart below shows how the total annual income for a certain family is spent. If the total annual income is 110,000 , what amount is budgeted for Savings, Housing, and Auto combined? Saving is 18%, housing is 21% and auto is 13% combined. after ...
*Friday, January 23, 2015 at 10:11pm*

**math**

The next three problems explore some techniques of data analysis. According to the US Bureau of the Census, the world population in the year 1950 was A=2555360972, and in 2000 it was B=6079006982. We'll use A and B so we don't have to keep writing those large and ...
*Friday, January 23, 2015 at 9:44pm*

**math**

A new apartment building was sold for $125000 4 years after it was purchased. The original owners calculated that the building appreciated $3000 per year while they owned it. Find a linear function that describes the appreciation of the building, if x is a number of years ...
*Friday, January 23, 2015 at 9:36pm*

**Math**

Find the diameter of a circle with a circumfrence of 50 mm. Round your answer to the nearest tenth. A. 16.0mm B. 26.4mm C. 8.4mm D. 33.5mm Is the answer C? Thank you
*Friday, January 23, 2015 at 9:27pm*

**Math**

Find the area of the given circle.Round to the nearest tenth. The diameter of the circle is 12 feet. A.11.0 ft^2 B.38.5 ft^2 C. 42.8 ft^2 D. 113.20 ft^2 Is the answer D? Thank you
*Friday, January 23, 2015 at 9:22pm*

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