Tuesday
July 7, 2015

Homework Help: Math

Branches of Math

Recent Math Questions

math
The trunk of a leaning tree makes an angle of 12 degrees with the vertical. To prevent the tree from falling over, a 35.0 m rope is attached to the top of the tree and is pegged into level ground some distance away. if the tree is 20.0 m from its base to its top, calculate the...
Tuesday, April 28, 2015 by Yiu

Math Check
Can someone check this for me? Thanks! Directions: Two integers from 1 through 40 are chosen by a random number generator. Write your answer as a fraction in simplest form a/b. P(both numbers are less than 30) (my answer: 9/16)
Tuesday, April 28, 2015 by Lauren

MATH
35 PERCENT OF THE TOTAL LENGTH OF THE SCREEN AT THE IMAX IS 51.8 FEET. wHAT IS THE TOTAL LENGTH OF THE SCREEN?
Tuesday, April 28, 2015 by kim

math
A wheelchair ramp near the door of a building has an incline of 15 degrees and a run of 7.11 m from the door. Calculate the length of the ramp to the nearest hundredth of a metre
Tuesday, April 28, 2015 by Lily Chang

MATH
IF THE LOAN IS FOR $18000 AND THE INTEREST RATE IS 6.5%. iF THE INTEREST PAID IS $4680.0 HOW MANY MONTHS IS THE LOAN FOR?
Tuesday, April 28, 2015 by kim

Math Calc
A factory produces bicycles at a rate of 100+0.4t2−0.7t bicycles per week (t in weeks). How many bicycles were produced from day 15 to 28? Hint: the lower limit of integration should be the integer number of weeks preceding day 15, i.e. a=2, and the final answer should ...
Tuesday, April 28, 2015 by Ellie

Math
Find area of the region under the curve y=9−2x2 and above the x-axis. area=?
Tuesday, April 28, 2015 by Anonymous

math
1. A bag contains 9 tiles numbered 1 to 9. P (4)= 1/9. What type of probability is illustrated and why? a) experimental; the result is found by repeating and experiment. b) experimental; the result is based on the number of possible outcomes. c) theoretical; experimental; the ...
Tuesday, April 28, 2015 by mayaaa

math
the shape of the base is square and has 5 sides
Tuesday, April 28, 2015 by funmi

math
a pyramid on a base 4cm has a slant edge of 6cm calculate the volume of thn pyramid
Tuesday, April 28, 2015 by funmi

Math
Use the graph below to answer the following question. I'll post the link to the graph below. Find the slope. A. 2 B. -1/2 C. -2 D. 1/2 Honestly I'm horrible at Math so I can't really pick a answer can someone please help me? Please explain to me how to work this ...
Tuesday, April 28, 2015 by Amber

Math
do this values in the table represent a linear function? If so what is the function rule? X -2. 0. 2. 4 Y -4. 0. 4. 8 A) the values do not show linear function B) yes they show y=1/2x+4 C) yes they show y=2x+2 D) yes they show y=2x My answer: C or D?
Tuesday, April 28, 2015 by Bri

math
Assume that if students buy more than $250 of art supplies in one visit, they may put it on a student account with terms of 2/10, n/30. If a student purchases $250 of supplies on September 16, what amount is due by September 26? How much would the student save by paying early?
Tuesday, April 28, 2015 by A

Math
Find the probability for the experiment of tossing a six-sided die twice. Put the answer in a/b form. P(the sum is odd or prime)
Tuesday, April 28, 2015 by Dana

Math Check
Hi! Can someone check my answers for this question? Thanks!! Directions: Look for the probability for an experiment that deals with the drawing of two marbles (without replacement) from a bag containing one green, two yellow, and three red marbles. Put the final answer in a/b ...
Tuesday, April 28, 2015 by Dana

Math
The cost of a student ticket to the school play is $7. Write an equation that correctly relates the cost, c, for a particular number of student tickets, s, purchased. Identify the independent and dependent variables.
Tuesday, April 28, 2015 by Priscilla

Math
A deck from a card game is made up of about 108 cards. Twenty-five of them are red, yellow, blue, and green, and eight are wild cards. Each player is randomly dealt a seven-card hand. Write the final answer as a decimal rounded to six decimal places. 1.) P(a hand containing ...
Tuesday, April 28, 2015 by Jackie

Math Check
Hi! Can someone check my answers for this question? Thanks!! Directions: Look for the probability for an experiment that deals with the drawing of two marbles (without replacement) from a bag containing one green, two yellow, and three red marbles. Put the final answer in a/b ...
Tuesday, April 28, 2015 by Dana

Math -
screenshot20120601at12.20.29pm.png Can you click on this - hopefully it comes up and tell me if A is the correct choice - to me it is the only one that can not be proven. Thank you
Tuesday, April 28, 2015 by Cassie

math
Given A(a,2) B(3,4) and C(-2,-1). If A is at the same distance to the points B and C. Find a.
Tuesday, April 28, 2015 by chev

Math Help
1.) P(E) = 0.7. Find the probability that the event WILL NOT happen. P(E’)= 2.) P(E') = 17/35. Look for the probability that the event WILL happen. Put answer is a/b form. P(E)=
Tuesday, April 28, 2015 by Lauren

Math
There are two integers from 1 through 40 and are chosen by a random number generator. Write the final answer in a/b form. 1.) P(the same number is chosen twice) 2.) P(both numbers are less than 30) 3.) P(one number is even and one number is odd) 4.) P(both numbers are even)
Tuesday, April 28, 2015 by Lauren

math
find the point which divides the segment from (-5,-4) to (6,-2) in the ratio 2:3
Tuesday, April 28, 2015 by Allyssa

math
Lisa bought a tank for her hermit crab. The tank can hold 1,331 cubic inches of water and includes a top. The base of the aquarium is a square. The height of the acquarium is 11 inchew. A)What is the length of each side of the base of the tank? B)What shape is Lisa's tank...
Tuesday, April 28, 2015 by Scotty

math
Jessie has a piece of cardboard that is 8.5 inches by 11 inches. She makes a picture frame with the cardboard by cutting out a 4 inch by 4 inch square from the center of the cardboard. What is the are of the frame?
Tuesday, April 28, 2015 by Scotty

Math
Mitosis is a process of cell reproduction in which one cell divides into two identical cells. A bacterium called E. coli often causes serious food poisoning. It can reproduce itself in 15 minutes. a) Starting with one bacterium, make a table with time in 1/4 -h blocks and the ...
Tuesday, April 28, 2015 by RS

math
A cardboard box is open at one end and is shaped like a square prism missing one of its square bases. The volume of the prism is 810 cubic inches, and its height is 10 inches. A)What is the length of each side of the base? B)Draw a net of the box C)How much cardboard is used ...
Tuesday, April 28, 2015 by kyle

math
A store manager set up a cardboard display to advertise a new brand of perfume. The display is a square pyramid whose base is 18 inches on each side. The height of each triangular face of the pyramid is 12 inches. How much cardboard was used to make the display?
Tuesday, April 28, 2015 by Kymy

math
The volume inside a rectangular storage room is 2,025 cubic feet. The room is 9 feet high. Find the area of the floor.
Tuesday, April 28, 2015 by joey

5th grade (math)
Leslie and Jess were racing at school. Leslie was able to complete the race in 12 1/2 seconds, whereas jess finished in13 1/10 seconds. How much faster did Leslie run? PLs help me!!
Tuesday, April 28, 2015 by ary

math
A samll bar of gold measures 40 mm by 25 mm by 2 mm. One cubic millimeter of gold weighs about 0.0005 ounce. Find the volume in cubic millimeters and the weight in ounces of this small bar of gold. Thank you!
Tuesday, April 28, 2015 by Vanessa

math
The area of the base of a rectangular juice box is 4 1/2 square inches. If the volume of the box is 18 cubic inches, how tall is the box?
Monday, April 27, 2015 by joey

Math
Identify all sums, products, and factors in the expression (x+5)(y+9) +(2+x)(y+23)
Monday, April 27, 2015 by Jay

math
If i had a pizza, and i ate4/8 of the pizza and my sister ate 3/8 of the pizza, how much pizza did we eat
Monday, April 27, 2015 by Stephanie

math
are this correct- x-7=18 x-7=18+7 x=25
Monday, April 27, 2015 by Island Grandma

Math
A printing company makes plastic banners 15 ft long by 6 feet wide. How many square meters is the banner? Use 1 foot=0.305meters
Monday, April 27, 2015 by Brooke

math
If
Monday, April 27, 2015 by Stephanie

Math
Look for the probability for an experiment of which requires you to select one card from a standard deck of 52 playing cards. Write your final answer as a fraction in the simplest form of a/b. 1.) P(the card is not a face) 2.) P(the card is a king) 3.) P(the sum is at least 7...
Monday, April 27, 2015 by Gina

Math help!
Hilda has a rectangular garden by the river in front of her house. The area she uses for planting tomatoes is three times as large as that she uses for beets. If she has 270 yards of fencing material to enclose the garden to protect it fro, rodents, will the total area attain ...
Monday, April 27, 2015 by Yin

Math
Manuel earns $400 per week plus a 3% commission on everything he sells. Write and solve and inequality to find out how much he must sell to have a weekly income of at least $700.
Monday, April 27, 2015 by Kate

math
Determine which function has the greater rate of change in questions 1−3 1. x y ------- -1 0 0 1 1 2 2 3 (1 point) The rates of change are equal. The graph has a greater rate of change.*** The table has a greater rate of change. none of the above 2. y = 2x + 7 The slopes...
Monday, April 27, 2015 by HELLPP

Math 222
Please help me solve this equation? Sorry my addition and equal key does not work. -x^2-3x plus 5 equal 0
Monday, April 27, 2015 by Nina-PLEASE HELP

Math
1. The towns population increased from 80,000 to 90,000 in ten years. What was the percent of increase? I didn't understand this one. 2. A $15 item on sale for $12 is marked down what percent? 20% 3. If Jenna buys and item for 40% off the regular price, will she pay more ...
Monday, April 27, 2015 by Anon

Math, please help
The measurement of angle BC is 30° less than the measurement of angle AB. What is the measurement of angle AB? AB-30°=180 AB=150° ?????
Monday, April 27, 2015 by Cale

Math
(a) T(m) = −22.75 cosπ/6(m − 1) + 52.55 = 48 m =
Monday, April 27, 2015 by Macky

math
I want to check my answers 1. The town population increased from 80,000 to 90,000 in ten years. What was The percent of increase? 2. A $15 item on sale for $12 is marked down what percent 3. If Jenna buys an item for 40% off the regular price will he pay more or less than half...
Monday, April 27, 2015 by Anon

Math
If 5 times a number n is subtracted from 15, the result is negative. Which of the following gives the possible value(s) for n? A. 0 only B. 3 only C. 10 only D. All n is greater than 3 E. All n is less than 3
Monday, April 27, 2015 by Anonymous

Math
Calculate the average rate of change of the function from θ = π/10 to θ = π/8. (Round your answer to two decimal places.) f(θ) = 9 sin(9θ)
Monday, April 27, 2015 by Macky

math, if i have correct answer
Prove the identity: tan^2O/ 1 + tan^20 = sin^20 I get 1=1, but others have got sin^2=sin^2 Who's right?? Because there is no answer for this question at the back of the book
Monday, April 27, 2015 by Milly

Math
Part 1: Suppose you divide a polynomial by a binomial. How do you know if the binomial is a factor of the polynomial? Create a sample problem that has a binomial which IS a factor of the polynomial being divided, and another problem that has a binomial which is NOT a factor of...
Monday, April 27, 2015 by Tiana

hard math
I'm having so much trouble doing this worksheet I had for math I don't even know what to do now 👉 and I have to turn it in by Friday 😭 I feel so dumb right now 😞
Monday, April 27, 2015 by lol 😁

Math
The temperature, t, in degrees Fahrenheit, in a certain town on a certain spring day satisfies the inequality | t - 24 | is less than or equal to 30. Which of the following temperatures, in degrees Fahrenheit, is NOT in this range? F. -10 G. -6 H. -5 J. 0 K. 54
Monday, April 27, 2015 by Anonymous

Math 222
Posted by Tika on Monday, April 27, 2015 at 5:08pm. Posted by Tika on Monday, April 27, 2015 at 12:44pm. How do I make a perfect square. Sorry my addition key isn't working y^2-18y plus______
Monday, April 27, 2015 by Tika--PLEASE HELP

Math 222
Homework Help: Math 222 Posted by Tika on Monday, April 27, 2015 at 5:10pm. Posted by Tika on Monday, April 27, 2015 at 1:08pm. what is the value of the discriminant and of the real solutions of the quadratic equation? 5x^2-9x plus 2 equals 0
Monday, April 27, 2015 by Tika--PLEASE HELP

Math 222
Posted by Tika on Monday, April 27, 2015 at 5:11pm. Posted by Tika on Monday, April 27, 2015 at 1:03pm. How do I write an quadratic equation whose roots are -1 and -2 and whose leading coefficient is 1. Sorry my equal key does not work blank equals 0
Monday, April 27, 2015 by Tika

math
Sam has 18 coins in his pocket that are either quarters or nickels. The total value of these coins is $3.90. Let q represent the number of quarters and n represent the number of nickels. The following system of equations represents this situation: q+n=18 0.25q+0.05n=3.90 How ...
Monday, April 27, 2015 by j

math
A community group bought 25 tickets to a play. Adult tickets cost $30 each and student tickets cost $20 each. In all, the group spent $620 on the tickets. Determine if each equation is a part of the system of equations that can be used to find the number of each type of ticket...
Monday, April 27, 2015 by j

Math
I know how to find the surface area of a rectangular prism but, I am not sure when given the coordinates of 4 feet by 6 feet by 8 feet which is which? For example: height, width, length? I don't know which way it goes? Thank You very much for any help you can give me.
Monday, April 27, 2015 by Josh

math
Prove the identity: tan^2O/ 1 + tan^20 = sin^20 I get 1=1, but others have got sin^2=sin^2 Who's right?? Because there is no answer for this question at the back of the book
Monday, April 27, 2015 by Milly

math
Solve each equation for 0<_ 0<_ 2pi(3.14) A) 2cos^20 - sin0 -1=0 My answers: sin0= -1/2 or sin0=1 so 0 = 7pi/6, 11pi/6 and pi/2 But the back of the book says: pi/6, 5pi/6 and 3pi/2
Monday, April 27, 2015 by Milly

Math 222
Posted by Tika on Monday, April 27, 2015 at 1:03pm. How do I write an quadratic equation whose roots are -1 and -2 and whose leading coefficient is 1. Sorry my equal key does not work blank equals 0
Monday, April 27, 2015 by Tika

Math 222
Posted by Tika on Monday, April 27, 2015 at 1:08pm. what is the value of the discriminant and of the real solutions of the quadratic equation? 5x^2-9x plus 2 equals 0
Monday, April 27, 2015 by Tika

Math/ Algebra
Labor Relations Worksheet: Did you hear about the ........ that offers a course for ......... .......? It's called .... ..........(.) #'s (1-27) 1.) (x-4)(x+3)
Monday, April 27, 2015 by Dylane

Math 222
Posted by Tika on Monday, April 27, 2015 at 12:44pm. How do I make a perfect square. Sorry my addition key isn't working y^2-18y plus______
Monday, April 27, 2015 by Tika

Math
How do I work out this problem? And then compare it to 1 whole. 0.003 * 10^2=
Monday, April 27, 2015 by Amy

Math help!
Hilda has a rectangular garden by the river in front of her house. The area she uses for planting tomatoes is three times as large as that she uses for beets. If she has 270 yards of fencing material to enclose the garden to protect it fro, rodents, will the total area attain ...
Monday, April 27, 2015 by Yin

math
Write a function rule for the total cost. One frozen yogurt store sells frozen yogurt for $3.00 per cup and $1.25 per topping. Write a linear equation to show the total cost of a cup of frozen yogurt. Then calculate the total price for one cup of frozen yogurt with 4 toppings...
Monday, April 27, 2015 by callie

Math
Part 1: Suppose you divide a polynomial by a binomial. How do you know if the binomial is a factor of the polynomial? Create a sample problem that has a binomial which IS a factor of the polynomial being divided, and another problem that has a binomial which is NOT a factor of...
Monday, April 27, 2015 by Help?

math- algebra
5 x > 2 x + 18, x € N Please give me the solution to this problem!
Monday, April 27, 2015 by Aoife

Math
Solve the equations to the nearest tenth and use the given restrictions. 2. sin theta = -0.204, for 90 degs < theta < 270 degs Ans: 191.8 degs?
Monday, April 27, 2015 by Anonymous

Math 222
what is the value of the discriminant and of the real solutions of the quadratic equation? 5x^2-9x plus 2 equals 0
Monday, April 27, 2015 by Tika

math
the volume of a cylinder is 54cm cube.calculate the volume of the cone.
Monday, April 27, 2015 by faith

Math 222
How do I write an quadratic equation whose roots are -1 and -2 and whose leading coefficient is 1. Sorry my equal key does not work blank equals 0
Monday, April 27, 2015 by Tika

Math
rcsdk12 . org/cms/lib04/NY01001156/Centricity/Doma​in/5668/10.1%20Solid%20Geometry%20Classw​ork.pdf In question 4, is the first choice the answer?
Monday, April 27, 2015 by Anonymous

Math 222
How do I make a perfect square. Sorry my addition key isn't working y^2-18y plus______
Monday, April 27, 2015 by Tika

Math
Solve the equations to the nearest tenth and use the given restrictions. 2. sin theta = -0.204, for 90 degs < theta < 270 degs Ans: 191.8 degs?
Monday, April 27, 2015 by Anonymous

Math
Solve the equations to the nearest tenth and use the given restrictions. 1. tan theta = 8.055, for 90 degs < theta < 270 degs. Ans: 262.9 degs?
Monday, April 27, 2015 by Anonymous

math
Find the volume of the cone to be constructed from a sector having a diameter of 72 cm and a central angle of 210 
Monday, April 27, 2015 by dawn

math
Find the periodic payment R required to amortize a loan of P dollars over t years with interest charged at the rate of r%/year compounded m times a year. (Round your answer to the nearest cent.) P = 30,000, r = 5, t = 20, m = 4
Monday, April 27, 2015 by Madi

Math help!
Reduce the equation 3/x + x/3 = -5/2 to the standard form of a quadratic equation ax^2+bx+c=0. The quadratic equation is___?
Monday, April 27, 2015 by Yin

Math help!
For the quadratic function f(x) = 2x^2 - 16x + 27 The Vertex = ___? f(x) attains a maximum minimum value of ___? The axis of symmetry is___? The x-intercepts are___? and The y-intercept is ____?
Monday, April 27, 2015 by Yin

Math help!
A car goes 18 miles on a gallon of gas in city driving and 24 miles on the highway. If the car goes 465 miles on a full tank of 23 gallons of gas, how many miles were driven in the city and how many miles were driven on the highway?
Monday, April 27, 2015 by Yin

Math help!
A collection of forty-three coins consists of dimes and quarters. If the total value is 7.60, how many dimes and how many quarters are there?
Monday, April 27, 2015 by Yin

Math 222
How do I use substitution to solve the system? Please help Addition and equal key is not working -5x plus 2y equal 16 y equal 2x plus 7
Monday, April 27, 2015 by Tika

6th Grade Math Inequalities
The maximum weight allowed on The Wildcat ride is 221 pounds. Your friend weighs 60 pounds. To be able to ride in a car together, how much can you weigh? Write and solve an inequality. Is this the correct answer?: x + 60 ¡Ü 221; at most 161 pounds? Please answer ...
Monday, April 27, 2015 by MusicLover14

Math
If sin 0 = -3 / 5 and pi < 0 < 3pi / 2, then tan 0 = ? F. -5 / 4 G. -3 / 4 H. -3 / 5 J. 3 / 4 K. 4 / 5
Monday, April 27, 2015 by Anonymous

Math 222
Please help me with inequalities?\ 2x-1>-3 and 4x plus 5>-19 I tried doing this problem, but I am lost.
Monday, April 27, 2015 by Tika

MATH
Abby, Betty, Cassie, and Dale need to cross the river on a boat. The boat only fits at most two people. If two people go over one must bring it back for the others. Abby takes 1 min., Betty 2 min., Cassie takes 5 min., and Dale takes 10 min.. The time it takes is based on the ...
Monday, April 27, 2015 by Chris

Math 222
Please help me solve this problem? The first mechanic worked 10 hours and the second mechanic worked 5 hours. Together they both charged a total of $1250 for their work. Their sum of two rates is $165 per hour. So how much did the first and second mechanics charged?
Monday, April 27, 2015 by Maryann

Math 222
Please help me solve this system of equations? Sorry addition/equal key is not working. -2x plus 9y equal 3 -3x-4y equal 22
Monday, April 27, 2015 by Tika

Math 222
Please help me with this problem The sum of two numbers is 47, the smaller number is 23 less than the larger number. What are the two numbers?
Monday, April 27, 2015 by Maryann

math
X|-2|0|2|4| Y|-4|0|4|8| Do the values in the table represent a linear function? If so what is the function rule? A. The values do not show a linear function. B. Yes, the values show a linear function; y=1/2x+4. C. Yes,the values show a linear function; y=2x+2. D. Yes, the ...
Monday, April 27, 2015 by callie

math
a red rosebush has three times as many brooms as a punk rosebush. together they have 48 blooms . which of the following is the number of blooms on the red bush?
Monday, April 27, 2015 by junior

Business Math
mr. mike invested two sums of money on simple interest. the fist was $2200 invested at 8% per annum and the second $1960 at 10% per annum. the sums were allowed to frow till bothe amounted to the same figure. in how many years did this happaended and what was the final amount?
Monday, April 27, 2015 by Zubair

math
Write a function rule for finding the amount of daily pay, p in the following situation; A bus driver gets paid $100 each day plus $0.20 per kilometer, k. A.100=0.20 x k B. p=0.20x100 x k C. p= 0.20k+100 D. 0.20k=100+p Is the answer B??
Monday, April 27, 2015 by sad with math

Math
Solve each equation to the nearest tenth and use the given restrictions. sin θ = -0.204 for 90 degrees < θ < 270 degrees. I don't get this. Is this supposed to be restricted to quadrants 2 and 3? Then it doesn't seem possible to get a value that will be...
Sunday, April 26, 2015 by Anonymous

math
Street | Horizontal | Vertical rise Distance ft. |of street ft. _______|_____________|_______________ Dixie hill| 80. | 40 Bell hill | 80. | 20 Liberty hill| 80. | 60 Which hill is the steepest? Explain. A. Bell hill; it rises one foot for for every 4 feet of horizontal travel...
Sunday, April 26, 2015 by sad with math

Math
If the scale on a drawing of a house is 1 cm=2 1/2m, what is the length of the house if it measures 3 cm on the scale drawing?
Sunday, April 26, 2015 by Kayla

Math
Victoria tossed a coin 30 times and got 17 heads. What is the ratio of heads to coin tosses? What is the ratio of heads to tails? What is the ratio of tails to heads? If victoria tosses the coin 150 times, how many times can she expect to get heads?
Sunday, April 26, 2015 by Kayla

math
With the coordinates of (2,10)(4,20)(6,30) on a graph first numbers being the number of sub's on the x axis, and the second number being the cost of the sub's on the y axis. What is the slope-intercept equation for the cost of a sub at Fred's Sub Shop? A.y=2x B.y=...
Sunday, April 26, 2015 by blue day

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