Sunday

November 23, 2014

November 23, 2014

**Branches of Math**

**Recent Math Questions**

Post a New Question | Current Questions

**Math Gr.12**

h=-4.9t^2+29.4t what is the rocket's maximum height? (think vertex)
*Tuesday, September 30, 2014 at 9:39am*

**College Prep Math 4**

The formula is S=2 times the square root of 5 times L. S equals the estimated speed of a car and L equals the length of the skid marks prior to the accident. 100=2(square root of 5x) I have no idea how to solve this
*Tuesday, September 30, 2014 at 9:24am*

**Math Gr 12**

A model rocket is shot straight into the air. Its height in meters a "t" seconds is given by h=-4.9^2+29.4t. a) What is the rocket's initial height? c)When does the rocket reach the ground?
*Tuesday, September 30, 2014 at 9:02am*

**math- pre calc/trig**

Find the length of each side of a square if the diagonal is 7(square root 2)? How do I solve or set up this problem?
*Tuesday, September 30, 2014 at 8:05am*

**math exponential function**

if 450,ooo is invested at 12% compounded semiannually .When will the amount of investment be 477,000?
*Tuesday, September 30, 2014 at 4:11am*

**math**

P is the product ,n is the consecutive term of geometric progression, s is tje sum of their reciprocal then(S/R)n is equal a) p b) p2 c) p3 d) pn
*Tuesday, September 30, 2014 at 2:47am*

**Math**

Is -2 an even number?
*Tuesday, September 30, 2014 at 1:07am*

**Math **

I wanted to double check my work. I am trying to find the domain: 1. f(x)= x+5 Answer: No Domain 2. f(x) = 1 X+5 Work: x+5≠0 X=-5 Answer: (-∞,-5) ᴜ (-5,∞) 3. f(x)= √x+2 Work: x+2 ≥ 0 x ≥ -2 Answer: [-2,∞)
*Tuesday, September 30, 2014 at 12:35am*

**Math**

A resultant vector has a magnitude of 25m?s with an angle of 20 degrees counterclockwise of east. draw the resultant on a coordinate plane, Find the x-component. Find the y-component
*Tuesday, September 30, 2014 at 12:14am*

**math**

The greatest recorded temperature ranges in the world are around the "cold pole" in Siberia. Temperatures in Verkhoyansk have varied from -94 degrees Fahrenheit to 98 degrees Fahrenheit. What is the difference between the high and low temperatures in Verkhoyansk?
*Monday, September 29, 2014 at 11:41pm*

**Math**

is -3.444,-3.4222,-|3.4|,-3 3/7 from least to greatest correct? if not plz esplane
*Monday, September 29, 2014 at 10:37pm*

**Math**

36+81=____(____+____)
*Monday, September 29, 2014 at 10:21pm*

**math**

Mr snider is tiling a floor .The floor is 16 tiles long and 5 toles wide.How many tiles are in the border section?
*Monday, September 29, 2014 at 10:03pm*

**Math**

Posted by NEED HELP on Monday, September 29, 2014 at 9:12pm. Have three problems and I'm really confused how to solve/simplify 1. 4/3+square root of 5 2. -4/-4+4square root of 2 3. 1/1+ square root of 2
*Monday, September 29, 2014 at 9:57pm*

**Math**

Factor Completely 8y^5+12y^3+4y
*Monday, September 29, 2014 at 9:52pm*

**Math**

Everyday Ms. Twinkle walks around a park near her house. The park is in the shape of rectangle 2 mi long and 1 3/10 mi wide. How far does she walk?
*Monday, September 29, 2014 at 9:33pm*

**math**

Please help, my mom and I are having a difference of opinion. The question is crackers come in packages of 24. Cheese slices come in packages of 18. You want one cheese slice for each cracker. What is the least number of crackers and cheese slices you can buy so nothing is ...
*Monday, September 29, 2014 at 9:29pm*

**Math**

Given the following prime factors, determine the original number as well as all of its factors. 2*3*5*7 I know that 2*3*5*7 is 210 but I don't know what to do next.
*Monday, September 29, 2014 at 9:23pm*

**Math**

Factor Completely 8y^5+12y^3+4y
*Monday, September 29, 2014 at 8:56pm*

**math**

Kristen and Christopher were playing a board game. They used a spinner with 4 spaces labeled 1, 2, 3, and 4. Each player was allowed 3 consecutive spins. They could move pieces on a board game only if the total of the 3 spins equaled 5. How many possible combinations could ...
*Monday, September 29, 2014 at 8:23pm*

**math**

Forensic specialists can estimate the height of a deceased person from the lengths of the person's bones. These lengths are substituted into mathematical inequalities. For instance, an inequality that relates the height h, in centimeters, of an adult female and the length ...
*Monday, September 29, 2014 at 8:11pm*

**math**

6units to the right and 5units up
*Monday, September 29, 2014 at 8:05pm*

**Math**

How to add fractions Adding fractions is simple look at the example below. 4 2 - + - = 4+2=6 and you keep the 8 8 denominator the same so the answer is 6 - 8
*Monday, September 29, 2014 at 7:51pm*

**Math**

Solve the following e^-x (square root((3e^2x) - 5/4)) = e^x
*Monday, September 29, 2014 at 7:50pm*

**math**

Represent 30 degree increase in temperature as an integer. Would that be +30?
*Monday, September 29, 2014 at 7:47pm*

**Math**

Explain how to find the greatest common factor of three numbers. Grade 6 GO MATH BOOK
*Monday, September 29, 2014 at 7:46pm*

**7th grade math**

Classify properties of operations. 1. (-4-3n) * -8 Ans: distributive 2. (6+4)+8=6+(4+8) Ans: associative 3. (1-7n) * 5 Ans: distributive
*Monday, September 29, 2014 at 7:40pm*

**math**

write a ratio in 3 ways, comparing the first quantity to the second. A week has 5 school days and 2 weekends. Second question about 1 in 4 people swims at least 6 times each year.
*Monday, September 29, 2014 at 7:37pm*

**math**

how can you simplify a ratio
*Monday, September 29, 2014 at 7:30pm*

**Math**

Pat and Kelly went hiking in the mountains. They started at 9,100 ft. They climbed 1,200 ft the first day, descended 900 ft the second day, and climbed 1,000 ft the third day. On the fourth day they descended 800 ft. What was the average altitude at which they hiked?
*Monday, September 29, 2014 at 7:08pm*

**Math**

the temperature dropped 18 degrees F between 6 am and 6 pm. during the night the temperature fell another 8 degree F. at 6 am the temperature started rising. It rose 1degree F the first hour, 2 degree F the second hour, and 4 degree the third hour. The temperature rose another...
*Monday, September 29, 2014 at 6:54pm*

**Math**

One table at a bake sale has 75 oatmeal cookies.Another table has 60 lemon cupcakes. Which table allows for more rectangular arrangements when all the cookies and cupcakes are displayed? Explain.
*Monday, September 29, 2014 at 6:53pm*

**MATH HELP**

arthur wants to model 758 using the fewest blocks possible. how many tens should he use? A. 8 B.5 C.7 D.4
*Monday, September 29, 2014 at 6:38pm*

**Math**

The coach of a baseball team separates the players into groups for drills. Each group has the same number of players. Is the total number of players on baseball team prime or composite? Explain.
*Monday, September 29, 2014 at 6:29pm*

**math **

which is the number that has a tens digit that is 8 more than the units digit. but zero is not one of the digits
*Monday, September 29, 2014 at 6:17pm*

**math**

for what values of k in y=3x+k with the curve y=-x^2-3x+6 intersect the line at 2 points
*Monday, September 29, 2014 at 5:59pm*

**math squares**

how many squares with sides that are 6 inches long are needed to cover a square with a side length of 30 inches without overlapping
*Monday, September 29, 2014 at 5:55pm*

**Math**

What is the volume of a rectangular prism if the base area is 56 inches, height 6 inches?
*Monday, September 29, 2014 at 5:40pm*

**Math (Trig)**

Rewrite the following expression in terms of tan3x: (sin2x + sin4x)/(cos2x + cos4x)
*Monday, September 29, 2014 at 5:32pm*

**math**

Imelda, susan and clara are driving go carts around a track. Imelda takes 14 min, susan takes 9 min and clara takes 10 min to drive one lap. suppose all three of them start together at a point and drive at their same speeds. after how many minutes would all three meet again?
*Monday, September 29, 2014 at 5:28pm*

**Math**

Jeremy bought a plank of wood 2 2/3 yards long. He divided the plank into 3 equal pieces. How long is each of Jeremy's planks?
*Monday, September 29, 2014 at 5:22pm*

**Math**

Pat purchases 2.5 pounds of jelly beans at $.89 per pound. How much did Pat pay for his jelly beans in all?
*Monday, September 29, 2014 at 5:03pm*

**Math**

Wanda meets her friend every 8 days. She meets her friend Audrey every 6 days. One day she meets both Jackie and Audrey. In how many days will she next meet Jackie and Audrey?
*Monday, September 29, 2014 at 4:59pm*

**Math**

the temperature dropped 18 degrees F between 6 am and 6 pm. during the night the temperature fell another 8 degree F. at 6 am the temperature started rising. It rose 1degree F the first hour, 2 degree F the second hour, and 4 degree the third hour. The temperature rose another...
*Monday, September 29, 2014 at 4:59pm*

**Math **

Jada has 1/4 of a pizza left. She is going to split the leftovers equally with 6 of her friends. What fraction of the whole pizza will each piece be?
*Monday, September 29, 2014 at 4:53pm*

**math problem solving**

arthur wants to model 758 using the fewest blocks possible. how many tens should he use? A. 8 B.5 C.7 D.4
*Monday, September 29, 2014 at 4:42pm*

**Math**

It took 6.5 gallons of gas to fill the tank of the family car. If the tank is .25 full when they arrived at the gas station, how much gas does the tank hold.
*Monday, September 29, 2014 at 4:27pm*

**Math**

Write a two column proof. Given: 7y = 8x - 14; y = 6 Prove: x = 7
*Monday, September 29, 2014 at 3:48pm*

**math**

find two numbers the exact answer is between 3*567
*Monday, September 29, 2014 at 3:46pm*

**Math**

solve: cot(2theta/3)= -sqrt3 Please help, I don't know how to start and how to set it up.
*Monday, September 29, 2014 at 3:30pm*

**Math help algebra**

You have a gift card for your favorite clothing store for the amount of $60. You have found a shirt you want to buy that costs $15. If you don't want to spend more than the amount of the gift card, which of the following inequalities could be used to determine the amount ...
*Monday, September 29, 2014 at 2:07pm*

**math**

I am a multiple of 7 and 3, my units digit is half my tens digit, what number am I?
*Monday, September 29, 2014 at 12:51pm*

**DISCRETE MATH**

How many different strings can be made from the letters in STATISTICS, using all the letters
*Monday, September 29, 2014 at 12:44pm*

**math**

A Bank teller has $16.50 in quarters and dimes. There are 25 fewer quarters than dimes. How many quarters does he have?
*Monday, September 29, 2014 at 10:13am*

**math mks**

the tempreture was -8 f at 6 a.m. and rose 15 f at 9 a.m. the answer is 7 what is the question?
*Monday, September 29, 2014 at 9:32am*

**Math Help**

Hi! I really need help with this. I'm so confused. Thanks! :) If h(x)=4/(5x+2)^2, find the two functions f and g so that f(g(x))=h(x).
*Monday, September 29, 2014 at 8:05am*

**math**

How do you write 72.053 in word form
*Monday, September 29, 2014 at 6:17am*

**math **

A car dealer will sell you a used car for $6,298 with $798 down and payments of $165.51 per month for 48 months. i found the total amount paid which is 8742.48 and interest paid is 2444.48 how do i find the interest rate?
*Monday, September 29, 2014 at 4:00am*

**math **

A tennis ball is dropped from a height of 7 ft. If the ball rebounds 2/3 of its height on each bounce, how far will the ball travel before coming to rest? (Find the total distance that the ball will travel before it stops bouncing.) i need help i don't know which formula ...
*Monday, September 29, 2014 at 3:57am*

**intermediate math**

angie and payton jog of opposite each other and angie can jog 4.5 mile faster than payton. after 1.5 hours they are 17 miles apart. how much can each person jog
*Monday, September 29, 2014 at 12:03am*

**Math**

What type of function is f(x)=1.3^x? Also, what type of function is f(x)=(x-5)/(x^2-2x+3)?
*Sunday, September 28, 2014 at 11:35pm*

**math**

out of 32 students in a class, 5 said they rode their bikes to school. Based on these results, how many of the 800 students ride their bikes to school?
*Sunday, September 28, 2014 at 11:15pm*

**MATH**

Write the equation of a horizontal line that passes through (3, 8). Describe the slope.
*Sunday, September 28, 2014 at 11:03pm*

**math**

Write 4 names for 8? This is 2nd grade homework.
*Sunday, September 28, 2014 at 10:41pm*

**math**

how do I solve 28 - 9x = -12 - 11x I tried adding 9x to both sides adding 11x to both sides and doing a million different methods and after i got an answer I went to check it and it was wrong I really don't understand how to do these types of equations
*Sunday, September 28, 2014 at 10:17pm*

**Business math**

Calculate the cash discount and the net amount due for the following transaction. Amount of Invoice Terms of Sale Cash Discount Net Amount Due $12,660.00 2/10, n/45 $ $
*Sunday, September 28, 2014 at 10:05pm*

**math.help pls**

find the limit if f((8+h)-f(8))/h .if f(x)= (472-2 x^2)^1/3.
*Sunday, September 28, 2014 at 9:51pm*

**Math **

F(x)=2sin(3x/2-3pi/4)+2
*Sunday, September 28, 2014 at 9:45pm*

**Math**

Julia saw 5 times as many cars as trucks in parking. If she saw 30 total how many were trucks?
*Sunday, September 28, 2014 at 8:10pm*

**math**

At the movie theatre, child admission is $5.30 and adult admission is $8.70 . On Friday, 155 tickets were sold for a total sales of $1137.70 . How many child tickets were sold that day?
*Sunday, September 28, 2014 at 7:15pm*

**Math quick question!**

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 6:02pm*

**math**

Consider two toy cars. Car A starts from rest and speeds up with constant acceleration for a time delta t until it reached a speed of v and then continues to travel at this speed. At the moment car A reaches its maximum speed, car B, starting at rest from the same point that ...
*Sunday, September 28, 2014 at 5:21pm*

**Math**

A park ride will make 120 revolutions in 160 seconds, at this rate how many revolutions will it make in 40 seconds
*Sunday, September 28, 2014 at 5:21pm*

**Math **

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 5:05pm*

**Math**

The planet Neptune has a radius of 15000 miles and rotates one revolution every 18 hours. What is the linear speed of a point on its equator, in miles per hours?
*Sunday, September 28, 2014 at 5:05pm*

**math/help please**

Question: a fertilizer covers 5/8 square foot in 1/4 hour. This is the last unit rates question. Please explain how you got the answer so I can understand this lesson.
*Sunday, September 28, 2014 at 4:52pm*

**math/help please**

Question: a garden snail moves 1/6 foot in 1/3 hour. This is unit rates. Please help, I don't get this lesson!
*Sunday, September 28, 2014 at 4:50pm*

**Math**

A door frame that appears rectangular has height 80 in., width 32 in., and one diagonal that measures 86in. Is the door frame actually rectangular?
*Sunday, September 28, 2014 at 4:49pm*

**math/help please**

Question: Kenny reads 5/8 page in 2/3 minutes. This is unit rates. Please help!
*Sunday, September 28, 2014 at 4:47pm*

**math--check my answers?**

Give an example of an open equation a + b = c + d How can you use an equation to make a prediction from a pattern? (i dont know) pizza costs $1.50 per slice. Use a table and an equation to represent the relationship between the number of slices of pizza bought and the total ...
*Sunday, September 28, 2014 at 4:38pm*

**math analysis**

i dont know what to start. Given a number espilon >0, prove there exists a natural number x such that 1/x <espilion
*Sunday, September 28, 2014 at 4:21pm*

**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*

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