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August 23, 2014

Homework Help: Math

Branches of Math

Recent Math Questions

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math
Can someone solve this for me ? Two cards are chosen from a standard deck of 52 playing cards without replacement. What is the probability that the first card is an ace and the second is a king?
Thursday, June 5, 2014 at 4:35pm

MATH
Use the function rule f(x)=4x-4x-7. Find each output. 14. f(3) 16. f(-5)
Thursday, June 5, 2014 at 4:18pm

math
A trapezoid has a height of 7 inches and bases of 11 inches and 4 inches. What is the area of the trapezoid? When finding the area of a trapezoid, does it matter which base is b1 and wich base is b2? explain
Thursday, June 5, 2014 at 4:04pm

math
If there are 20 to 25 apples in a basket and there are 3 to 4 baskets in a bushel, what is the minimum number of bushels that can be filled by 1000 apples?
Thursday, June 5, 2014 at 3:59pm

I may fail the 8th grade?
My home life has been crazy so I missed a lot of school and got bad grades. My anxiety is through the roof right now and i'm shaking a lot. all i need to do is get a 75% in math. and i just can't this is my biggest fear I can't see how life goes on after failing a ...
Thursday, June 5, 2014 at 3:24pm

Math
Marisol invested $48,000 in an 18 month CD with a 4.28% APY compounded monthly. What will be the value of the CD be after the 18 months?
Thursday, June 5, 2014 at 2:57pm

math Study guide
I need help. I got all of these questions out of 50 wrong. 6-10 were not given. 1. Which of the following is an example of independent events? A-rolling a number cube and flipping a coin B-drawing marbles from a bag without replacement after each draw C-choosing members of a ...
Thursday, June 5, 2014 at 2:22pm

math question check
i think its C. A bag of fruit contains 4 apples,1 plum,2 apricots,and 3 oranges.Pieces of fruit are drawn twice with replacement. What is P(apple,then apricot)? A.4/5 B.2/25 C.3/25 D.3/5
Thursday, June 5, 2014 at 2:07pm

Math
This question has two parts. Danielle's phone plan charges her $30 per month for the first 200 minutes and then $0.10 per minute for each subsequent minute. 1. Which of the following functions takes an input of any whole number value of x is greater than or equal to 200 ...
Thursday, June 5, 2014 at 1:56pm

math
The function rule C=10n +26 relates the number of people n who attend a small concert to the cost in dollars c of the concert.. Make a table of the input.output pairs to show the cost if 27, 39, and 43 people attend. Help me pleaseee!!!! :( <3
Thursday, June 5, 2014 at 1:34pm

math question
im not so sure on this but i think its A. Which of the following is an example of independent events? A.rolling two number cubes B.selecting marbles from a bag without replacement after each draw C.choosing and eating a piece of candy from a dish and then choosing another ...
Thursday, June 5, 2014 at 1:30pm

math
why is it there?
Thursday, June 5, 2014 at 12:51pm

Math
In 1986 an earthquake measuring 5.0 on the Richter scale hit northeast Ohio. This earthquake is _______ times as intense as a magnitude 2.0 quake
Thursday, June 5, 2014 at 12:47pm

math
Assume the car can be purchased for 0% down for 60 months (in lieu of rebate). A car with a sticker price of $42,650 with factory and dealer rebates of $5,100 Find the monthly payment if financed for 60 months at 0% APR. Find the monthly payment if financed at 2.5% add-on ...
Thursday, June 5, 2014 at 12:39pm

math question
/how do i solve this? The probability of winning a game is 15%. If you play 20 times,how many times should you expect to win? A.5 times B.3 times C.6 times D.15 times
Thursday, June 5, 2014 at 12:37pm

math
What would you predict the price of product x in volume of 150 to be approximately. What would you predict the price of product x in volume of 100 to be approximately.
Thursday, June 5, 2014 at 12:19pm

MATH
Write the quadratic function in standard form (if necessary) and sketch its graph. Identify the vertex h(x)=x^2-9
Thursday, June 5, 2014 at 11:38am

math
Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.37 cross 10−5 watts/cm2
Thursday, June 5, 2014 at 11:33am

math
If I have 20 apples and I give away 7%, how many apples do I have left?
Thursday, June 5, 2014 at 11:31am

math
Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.37 cross 10−5 ( to the 5th power) watts/cm2 ( cm squared)
Thursday, June 5, 2014 at 11:30am

Math
Jane ran around the perimeter of a rectangular park at a constant rate of 10 feet per second. The park has an area of 67,500 square feet, and its length is exactly three times its width. For how many seconds did Jane run? F. 60 G. 120 H. 240 J. 360 K. 480
Thursday, June 5, 2014 at 3:52am

MATH HELP PLEASE & THNX!
Hercules Films is deciding on the price of the video release of its film Bride of the Son of Frankenstein. Marketing estimates that at a price of p dollars, it can sell q = 300,000 − 15,000p copies, but each copy costs $4 to make. What price will give the greatest profit...
Thursday, June 5, 2014 at 2:02am

math
Suppose that inflation is 3% per year. This means that the cost of an item increases by 3% each year. Suppose a jacket cost $150 in 2011. How long will it take for the jacket to cost $300 dollars?
Wednesday, June 4, 2014 at 11:12pm

math
Except 15 all others are oranges, except 20 all others are mangoes, except 25 all others are bananas , what is the total number of fruits
Wednesday, June 4, 2014 at 10:49pm

Math
Last Problem of the Week this year! Having a bit of trouble with it: In how many ways can seven basketball players of different heights line up in a single row so that no player is standing between two people taller than she is? Does it have anything to do with 7! or am I on ...
Wednesday, June 4, 2014 at 9:41pm

math
. If the maximum loan-to-value ratio that a lender will accept on a $100,000 loan is 90 percent, then the borrower must make ________
Wednesday, June 4, 2014 at 9:31pm

math word problems
A room is a square with integer dimensions. it is made 3 feet wider and 2 feet deeper. the increase in area is 46 square feed. What were the dimensions of the old room?
Wednesday, June 4, 2014 at 9:22pm

math
Appropriate reasons to use credit include for __________.
Wednesday, June 4, 2014 at 8:40pm

math
Student credit cards typically require that one be enrolled in a 2- or 4-year college/university and
Wednesday, June 4, 2014 at 8:31pm

math
The act requiring mortgage lenders to give borrowers HUD booklets and good faith estimates of the closing costs is called the
Wednesday, June 4, 2014 at 8:25pm

Math
Assume that it costs Apple approximately C(x) = 36,100 + 100x + 0.01x^2 dollars to manufacture x 30-gigabyte video iPods in a day. How many iPods should be manufactured in order to minimize average cost? What is the resulting average cost of an iPod? (Give your answer to the ...
Wednesday, June 4, 2014 at 8:20pm

Math
A polygon is a __ dimensional figure with ___ or more sides. A regular polygon has equal ____ lengths and equal ____ measures
Wednesday, June 4, 2014 at 8:18pm

Math
The sum of the degrees of the interior angles of a triangle is _____ degrees What is the sum of the interior angles of a parallelogram ? What is the sum of the interior angles of a rhombus? What is the sum of the interior angles of a kite? What is the sum of the interior ...
Wednesday, June 4, 2014 at 8:00pm

Math
Solve the optimization problem. Minimize F = x^2 + y^2 with x + 2y = 15. Thank You for the help!!
Wednesday, June 4, 2014 at 7:58pm

Math - Business Calc.
Chocolate Box Company is going to make open-topped boxes out of 5 × 17-inch rectangles of cardboard by cutting squares out of the corners and folding up the sides. What is the largest volume box it can make this way? (Round your answer to the nearest tenth.) Thank You ...
Wednesday, June 4, 2014 at 7:55pm

Math
Hi, I need someone to check my work and I have a question. Polygon: pentagon Number of sides: 5 Smallest number of interior triangles: 3 Now, here's my question: Sum of degrees of the interior angles: ___*180=_____ degrees
Wednesday, June 4, 2014 at 7:51pm

Math
You have 2 hundred feet of fencing to use for building a rectangular dog pen. find the dimensions of the pan having the greatest possible area
Wednesday, June 4, 2014 at 7:14pm

MATH PLZ HELP
I baked two dozen cookies (24)for my friends. After they came out of the oven at 2:00, I wait for them to cool. When playing video games, one friend says he needs to use the bathroom. he instead goes to the kitchen and steals one cookie. To have an excuse for going to the ...
Wednesday, June 4, 2014 at 6:30pm

math
Liam is the founder and president of the Justin Bieber Fan Club. As a fundraiser, the JBFC sells chocolate-flavored spaghetti sauce. The current price is $6.40 per jar and their average monthly sales are 250 jars. They are considering raising prices and have been surveying ...
Wednesday, June 4, 2014 at 6:25pm

math
A ladder is 13.0m long. It leans against the wall. The base of the ladder is 3.7m from the wall. What is the angle of inclination of the ladder to the nearest tenth of a degree?
Wednesday, June 4, 2014 at 5:23pm

math
A guy wire is attached to a tower at a point that is 5.5m above the ground. The angle between the wire and the level ground is 56 degrees. How far from the base of the tower is the wire anchored to the ground, to the nearest tenth of a metre?
Wednesday, June 4, 2014 at 5:21pm

Math
A frame around a photo is 5 cm wide. The photograph is 20 cm long and 10 cm wide. What percentage of the entire area is the frame.
Wednesday, June 4, 2014 at 5:15pm

business math
Check My Work (3 remaining) Mary Jo Prenaris is an office manager with gross earnings of $1,600 semimonthly. If her company switches pay schedules from semimonthly to biweekly, what are Mary Jo's new gross earnings? $ biweekly salary
Wednesday, June 4, 2014 at 5:14pm

math
A right cone has a height of 8cm and of volume of 250cm^3. Determine the radius of the base of the cone to the nearest centimeter.
Wednesday, June 4, 2014 at 5:00pm

Math
On a circle graph, how many degrees of the circle are measured for a category worth 34%
Wednesday, June 4, 2014 at 4:57pm

math
If you invest $23010.00 at an interest rate of 2.90% per annum compouded semo annually,what will the total value of your investment be after 9 years?
Wednesday, June 4, 2014 at 4:56pm

math
A local bank offers an investment option with a simple interest rate of 3.60% per annum. If you invest $3200.00, how much interest will you earn in 7 years?
Wednesday, June 4, 2014 at 4:55pm

Math
Mr. Caldwell has 28 students in his class and 12 of them are boys. What is the ratio of girls to boys? A. 4 : 7 B. 3 : 4 C. 4 : 3 D. 7 : 4
Wednesday, June 4, 2014 at 4:31pm

Math
If pq = 3, then p^3q^4 + p^4q^5 = A. 12q B. 7p + 9q C. 12p + 20q D. 96p E. 108q
Wednesday, June 4, 2014 at 4:18pm

Math
Can someone please explain how to solve this problem? A bag contains 6 blue marbles, 10 red marbles, and 9 green marbles. If two marbles are drawn at random without replacement, what is the probability that two green marbles are drawn?
Wednesday, June 4, 2014 at 4:04pm

Math
Consider the following data set: 27,49,15,43,35,57,13,73,23,31,32,41,61, 39,7. Suppose that you graph this data, with bins of size 10, with the first bin starting 1 below the smallest value in your data. What is the range approximation for the standard deviation of this data? ...
Wednesday, June 4, 2014 at 3:39pm

Math
Trudi Can Either Walk TO School, Or She Can Take The Bus. The Probability Of Her Taking The Bus On Any Given Day Is 0.77. Assuming That Her Choice Of Transport On Any Given Day Is Independent Of Her Choice Of Transport On Another Day, Find Out The Probability Of Her Taking The...
Wednesday, June 4, 2014 at 3:15pm

Math
A bag contains 7 black socks, 12 white socks, and 17 red socks. If you pick one sock at random from the bag, what is the probability that it will NOT be white? A. 1/2 B. 2 / 3 C. 3 / 4 D. 7 / 12 E. 7 / 36
Wednesday, June 4, 2014 at 3:12pm

math word problem
instead of buying packages of 20 batteries for $7.00 to power his video game controllers, Nathaniel decides to buy 4 rechargeable batteries and a charger for $15.39. How many times does he need to use the rechargeable batteries to make them a better value?
Wednesday, June 4, 2014 at 2:46pm

math(log)
find x if a) 1/81=3^2x-1 b)log2x+ 3/log2x = 4
Wednesday, June 4, 2014 at 10:13am

Math
If tanè = 4 / 3, then sinè = F. 3 / 4 G. 3 / 5 H. 4 / 5 J. 5 / 3 K. 5 / 4
Wednesday, June 4, 2014 at 9:40am

math(urgent)
A radio set costing $500 was marked up 20% based on retail price. later it was marked down by 10%. WHAT is the final retail price?
Wednesday, June 4, 2014 at 9:08am

math
A ladder leans against a building. The angle of elevation of the ladder is 70°. The top of the ladder is 25 ft from the ground. To the nearest tenth of a foot, how long is the ladder?
Wednesday, June 4, 2014 at 8:50am

math
Find the total number of compounding periods and interest rate per period.  Princial: $700, time period :8yrs , nomial rate: 1.5%, interest compounding :monthly, copounding amount________, compound interest_______  * i need to figure outhe compounding amount & ...
Wednesday, June 4, 2014 at 8:28am

MATH
Solve the fractional equation 3x/2+1/4(x-2)=10
Wednesday, June 4, 2014 at 8:03am

math
The estimated completion time for a inspection consisting of 100 check points is 3 1/3 hours if u take away 3hours whats the estimated rate of completion per check point
Wednesday, June 4, 2014 at 7:25am

math algebra?
What does -4p < 36 equal?
Wednesday, June 4, 2014 at 6:38am

math
Find the shape whose total is 59(blue)..n the oder one having a total of 52(green)
Wednesday, June 4, 2014 at 6:28am

Math please help
Solve the equation x^2/5 + x^1/5 -6=0
Wednesday, June 4, 2014 at 2:19am

Math
Find the total number of compounding periods and interest rate per period. Terms investment: 6years, nomial rate: 18%, interest compounding :monthly, compounding period________, rate per period %_______ * i need to figure out the compounding period & rate per period%
Tuesday, June 3, 2014 at 11:04pm

Math
Two sides of a triangle measure 7 cm and 15 cm . Which of the following could not be the length of the third side ? A. 5 cm B. 9 cm C. 15 cm D. 22 cm I'm confused because at first I tried Pythagorean thereom and it didn't really work .
Tuesday, June 3, 2014 at 10:58pm

math
A rectangular field measures 350 feet by 400 feet. If you wish to go from one corner to the opposite corner, how much shorter is the trip if you walk along the diagonal rather than the edges?
Tuesday, June 3, 2014 at 10:47pm

math algebra?
What does -4p < 36 equal?
Tuesday, June 3, 2014 at 10:21pm

math algebra?
A circle has circumference of 56.52 ft. What is its area? Use 3.14 for pie.
Tuesday, June 3, 2014 at 10:19pm

MATH
Is the equation identity or conditional? 3(x+2)=3x+6 3(x+4)=3x+4
Tuesday, June 3, 2014 at 10:07pm

math
the simple interest received from investment is directly proportional to the amount of the investment. By investing $4000 in a municipal bond you obtain interest of $280 at the end of 1year. Find a mathematical model that gives the interest I at end of 1year in terms of the ...
Tuesday, June 3, 2014 at 9:52pm

Math
How can just adding one or subtracting one make the difference? I did the first one but can't come up with the second one. The first equation is: x = 4y + 1 Subtract 1 from both sides x - 1 = 4y Now divide both sides by 4 (x/4) - (1/4) = y My slope is (¼) and my y-...
Tuesday, June 3, 2014 at 9:49pm

algebra math
A deck has 12 cards numbered 1 to 12. Ashley needs a number greater than 9 to win a game. If she selects a card at random, what is the probability that she will win?
Tuesday, June 3, 2014 at 9:17pm

math
Simple interest the simple interest received from investment is directly proportional to the amount of the investment. By investing $4000 in a municipal bond you obtain interest of $280 at the end of 1year. Find a mathematical model that gives the interest I at end of 1year in...
Tuesday, June 3, 2014 at 9:15pm

Math
what are all of the possible rational roots for x to the third power- x squared-x +8=0?
Tuesday, June 3, 2014 at 9:10pm

Math
In math, negative minus negative equals what? Ex: -38-(-14) Please list all the other rules of multiplying, dividing, adding, and subtracting!! Thank you!!
Tuesday, June 3, 2014 at 9:03pm

boring math
A business purchases a piece of equipment for $25000. The equipment will be replaced in 10 years at which time its salvage value is expected to be $2000. Write linear equation giving the value V of the equipment during the 10years.
Tuesday, June 3, 2014 at 8:50pm

linear math
Is the equation identity or conditional? 3(x+2)=3x+6 3(x+4)=3x+4
Tuesday, June 3, 2014 at 8:31pm

Math
X^4+9x^3+9x^2= -81x Is it 0,-9,-3, and 3
Tuesday, June 3, 2014 at 8:29pm

math
simplify as much as possible. Assume that all variables represent positive real number 4x√32xv^2 + v√2x^3
Tuesday, June 3, 2014 at 8:29pm

math
The eyes of a basket ball player are 6 feet above the floor. He is at the free-throw line, which is 15 feet from the center of the basket rim. The center of the rim is 10 feet above the floor Determine the angle of elevation (to the nearest degree) from his eye to the center ...
Tuesday, June 3, 2014 at 8:27pm

math
Stuart estimates that he will need $25000 to set up a small business in 7years.How much must stuart invest at 12% interest compound quarterly to achieve goal?
Tuesday, June 3, 2014 at 8:24pm

Math
5x^4=5x Can you please help
Tuesday, June 3, 2014 at 8:21pm

math
draw a picture showing 4 pencils and a number of pens in which the ratio of pencils to pens is 2:3.
Tuesday, June 3, 2014 at 8:18pm

math
Frank was a jacket that cost $60 ESA $43 what is the fraction of the amount that he that he needs to saved
Tuesday, June 3, 2014 at 8:07pm

math 1 question!!!!!!
Which situation best represents a proportional relationship? (1 point) Kelly sold 2 rings for $3 and 3 rings for $6.<----- Lawrence packed 27 plates in 9 boxes and 81 plates in 27 boxes. Jeff ran 4 miles in 20 minutes and 6 miles in 24 minutes. Francesca placed 8 pencils in...
Tuesday, June 3, 2014 at 7:47pm

math 1 question!!!!!!
Which is equivalent to the expression shown when a > 0 and b > 0? -21a^2b/35ab A. 3a/5 B. -3a/5 C. -3ab/5 D. 3a/5b<---
Tuesday, June 3, 2014 at 7:43pm

math
Direct variation Y is proportional to x. Use the x value & y value to find a linear model that relates y and x. x=5, y=9 X=11, y=1.5
Tuesday, June 3, 2014 at 7:38pm

math 1 question!!!!!!
A fence encloses a rectangular field. The field is 4 meters longer than it is wide. The total length of the fence is 144 meters. What is the area in square meters of the enclosed field? 1192 1296 1292 1440
Tuesday, June 3, 2014 at 7:14pm

math 1 question!!!!!!
Tasha is going on a picnic. The probability that it will be sunny is 2/3. The probability that someone will bring potato salad is 7/9. What is the probability that it will be sunny and that someone will bring potato salad? 1/9 4/27 14/27 6/7<------
Tuesday, June 3, 2014 at 7:10pm

MATH
Slope : 3/2; y-intercept : (0,3)
Tuesday, June 3, 2014 at 7:03pm

MATH Graph
Sketch the graph of line y=1/2x+1
Tuesday, June 3, 2014 at 7:02pm

math
x – 3y = 25 x – 2y = 21 find the x and y values i think x=-13 and y=4 am i right?
Tuesday, June 3, 2014 at 6:55pm

Math
Given a 30 meter x 60 meter garden with a circular fountain with a 5 meter radius, calculate the area of the portion of the garden not occupied by the fountain. 30 x 60 = 1800 3.14 x 25 = 78.25/2=39.125 1800 - 39.125 = 1,760.875 but this is incorrect The answer choices are: A...
Tuesday, June 3, 2014 at 6:18pm

Math
A fence encloses a rectangular field. The field is 4 meters longer than it is wide. The total length of the fence is 144 meters. What is the area in square meters of the enclosed field? 1192 1296 1292<---- 1440
Tuesday, June 3, 2014 at 6:11pm

math
An oil-drilling company knows that it costs $25,000 to sink a test well. If oil is hit, the income for the drilling company will be $425,000. If only natural gas is hit, the income will be $155,000. If nothing is hit, there will be no income. If the probability of hitting oil ...
Tuesday, June 3, 2014 at 5:55pm

math
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 5. We find the heights of 60 people. (You may need to use the standard normal distribution table. Round your answers to the nearest whole number.) How ...
Tuesday, June 3, 2014 at 5:55pm

math
Solve the equations by finding the exact solution. 4 = x − 4
Tuesday, June 3, 2014 at 5:54pm

math -logarithm
Write the equations in logarithmic form. (a) 729 = 93(9 to the 3rd power) (b) 25 = 1/5 −2( 1/5 to the -2 power) a = bc ( c squared)
Tuesday, June 3, 2014 at 5:52pm

math -logarithm
Use the definition of logarithm to simplify each expression. log10 10,000 log10 10 log10 10−4
Tuesday, June 3, 2014 at 5:50pm

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