Wednesday
May 27, 2015

Homework Help: Math

Branches of Math

Recent Math Questions

SOLVE -MATH
A physics exam consists of 9 multiple choice questions and 6 open-ended problems in which all work must be shown.If an examinee must answer 6 of the multiple- choice questions and 3 of the open-ended problems, in how many ways can the questions and problems be chosen?
Thursday, April 30, 2015 at 11:04am

consumer math A
Find the interest due on $800 at 12% for 120 days.
Thursday, April 30, 2015 at 10:58am

math:Fundamental Counting Principlal
solve the problem by applying the fundamental counting principal with two groups of items. Shaun is joining a music club. as part of ther 4-cd introductory package she can choose from 12 rock, 10 alternative, 7 country, and 5 classical. if Shaun choose one selection from each ...
Thursday, April 30, 2015 at 10:23am

math: 68-95-99.7 rule
suppose that prices of a certain model of new homes are normally distributed with a mean of $150,000 use the rule to find the percentage of buyers who paid: between $150,000if the standard deviation is $1200
Thursday, April 30, 2015 at 10:17am

math
jerry sold 7/20 of the total number of tickets that were sold for the spring band concert what percent of the total number of tickets did jerry sell
Thursday, April 30, 2015 at 10:03am

math
A bag contains 9 black marbles and 1 white marble. What is the probability of the event that is complementary to the event of drawing a black marble from the bag? a. 1/10 b. 1/9 c.8/9 d.9/10
Thursday, April 30, 2015 at 9:54am

Math Check
Let’s say you have a bedroom drawer that contains about 2 red socks, 4 white socks, and 8 blue socks. Without looking in the drawer, you pick out a sock, take it back, and then pick out a second sock. What could the probability be if the first sock is white and the second...
Thursday, April 30, 2015 at 9:20am

MATH
A physics exam consists of 9 multiple choice questions and 6 open-ended problems in which all work must be shown.If an examinee must answer 6 of the multiple- choice questions and 3 of the open-ended problems, in how many ways can the questions and problems be chosen?
Thursday, April 30, 2015 at 9:12am

math homework
Michael went into a comic book store to pick up a few of his “much wanted” comics. There are about 4 different Batman issues, about 5 different Star Wars issues, and about 2 different Superman issues to choose from. Exactly how many combinations are possible for ...
Thursday, April 30, 2015 at 8:04am

math
Answer the following questions below that go with the following: Let's say that a locker combination lock uses numbers 0 through 39 for a 3 digit combination. 1.) Exactly how many combinations are possible if NO digit may be repeated? And how many combinations are possible...
Thursday, April 30, 2015 at 7:55am

Math
1.) What is the formula for the nth term of the arithmetic sequence that has a common difference of 8 and a first term of 4? 2.) What is the formula for the nth term of the geometric sequence that has a first term of 2 and a ratio of 3?
Thursday, April 30, 2015 at 7:51am

Math
A submarine left the surface of the water at the rate of 2 meters per second. At the rate how long would it take the submarine to reach -60 meters level
Thursday, April 30, 2015 at 7:20am

math
prove that the value of cosx + secx can never be 3/2.
Thursday, April 30, 2015 at 5:59am

math
Find the HCF and LCM of: 1 + 4x + 4x^2 - 16x^4.. ,1 + 2x - 8x^3 - 16x^4.., 16x^4 + 4x^2 + 1
Thursday, April 30, 2015 at 5:07am

math - please help
Find the HCF and LCM of: 1 + 4x + 4x^2 - 16x^4.. ,1 + 2x - 8x^3 - 16x^4.., 16x^4 + 4x^2 + 1
Thursday, April 30, 2015 at 5:07am

Math
Reduce the fraction: 5,040/59,400
Thursday, April 30, 2015 at 3:17am

Math
A triangle with a Base of 8 inches and a height of 7 inches has a circular section of diameter 3 inches removed from its center. What is the remaining area of the triangle? (Use π = 3.14)
Thursday, April 30, 2015 at 3:17am

math
Find the HCF and LCM of: 1 + 4x + 4x^2 - 16x^4.. ,1 + 2x - 8x^3 - 16x^4.., 16x^4 + 4x^2 + 1
Thursday, April 30, 2015 at 12:47am

Math
A triangle with a Base of 8 inches and a height of 7 inches has a circular section of diameter 3 inches removed from its center. What is the remaining area of the triangle? (Use π = 3.14)
Thursday, April 30, 2015 at 12:40am

Math
Reduce the fraction: 5,040/59,400
Thursday, April 30, 2015 at 12:32am

Math
For each of the following , simplify by combining like terms : 4x^3y+5x(6xy-7y^2) - 8y(9x^2-10xy) - 11xy^2
Thursday, April 30, 2015 at 12:31am

Math
On a multiple choice exam with 25 questions, the instructor scored the exams as follows: 4 points for each correct answer, -1 for each blank answer, and -6 for each wrong answer. What was the score of a student who had 14 correct answers, 3 blank answers, and 8 answers?
Wednesday, April 29, 2015 at 11:29pm

Math
Is 2^6 * 3^10 * 5^12 * 7^15 * 1^18 a prefect square? Explain how you know.
Wednesday, April 29, 2015 at 10:36pm

Math
Prove that 1 * 3 * 5 * ... * 2345 + 2 *4 * 6* ... * 3456 is divisible by 6789.
Wednesday, April 29, 2015 at 10:33pm

Math
She has 2 7/8 cups of flour, she will put 3/4 cup of flour in each cake
Wednesday, April 29, 2015 at 10:29pm

math
if a room measures 12 by 15 feet how many l square ft. tiles would I need to cover the floor.
Wednesday, April 29, 2015 at 10:12pm

math
what do you call it when someone pays back a loan quickly?
Wednesday, April 29, 2015 at 10:11pm

Math
Is 2^9 * 3^12 * 5^6 * 7^3 a perfect cube? How do you know by just looking at it?
Wednesday, April 29, 2015 at 10:06pm

MATH
Jenna always throws loose change into a pencil holder on desk and takes it out every 2 weeks. this time it is all nickels and dimes. There are 7 times as many dimes as nickels and the value of the dimes is $6.50 more than the value of the nickels. How many dimes does Jenna have?
Wednesday, April 29, 2015 at 10:01pm

math
if a room is 14ft by 12ft how many 1sq. ft. tiles do I need to cover my floor?
Wednesday, April 29, 2015 at 9:56pm

math word problem
a service that repairs TV sells maintenance agreement for $10 a year the average cost for repairing a TV is $38 and 3 in every 100 people who purchased maintenance agreements have TV's that require repair. find the services expected profits per maintenance agreement.
Wednesday, April 29, 2015 at 9:53pm

math
if a room is 12ft by 14ft how many square tiles do I need to cover the floor?
Wednesday, April 29, 2015 at 9:50pm

math
A farmer wants to fence in three sides of a rectangular field shown below with 880 feet of fencing. The other side of the rectangle will be a river. If the enclosed area is to be maximum, find the dimensions of the field.
Wednesday, April 29, 2015 at 9:48pm

Math
How do you tell whether a number is a perfect square from the exponents of its prime factorization? Explain why this works.
Wednesday, April 29, 2015 at 9:35pm

math: fundamental counting principal
with two groups of items: John is joining a music club as part of her 4-cd introductory package she can choose from 12 rock, 10 alternative, 7 country, and 5 classical. if John choose one selection from each category, how many ways can he choose her introductory package?
Wednesday, April 29, 2015 at 8:24pm

math; solve problem
it is recommended that there be at least 13.65 sq ft of ground sace in a garden for every newly planted shrub. a garden is 32.2' by 21'. find the maximum number of shrub the garden can accommodate.
Wednesday, April 29, 2015 at 8:18pm

Math
Perry's Publishing is relocating and 2 employees, Edna and Sam have created a "For sale" sign 4 feet long to place outside the current premises. They plant o attach the sign to a 9-foot pole using a hook and a chain. They would like the top of the sign to be 6 ...
Wednesday, April 29, 2015 at 8:11pm

MATH; STANDARD DEVIATION
suppose that prices of a certain model of new homes are normally distributed with a mean of $150,000 use 68-95-99.7 rule to find the percentage of buyers who paid: between $150,000 and $152,000 if the standard deviation is $1200
Wednesday, April 29, 2015 at 8:02pm

math
mr cook wants to fence his rectangle garden which covers 100 ft squared the width of the garden is 7 1/2 ft what is the length of the garden how much fencing mr cook need
Wednesday, April 29, 2015 at 8:00pm

Math
As x increases by 2 units, y increases by 3 units.
Wednesday, April 29, 2015 at 7:21pm

math
jamie is joining a music club as part of her 4-cd introductory package she can choose from 12 rock selection, 10 alternative selection 7 country selections and 5 classical selection if jamie chooses on selection from each category how many ways can she choose her introductory ...
Wednesday, April 29, 2015 at 7:10pm

Math Help
Hi! I need help with these two questions. Thanks! 1.) Look for the first four terms for the following sequence below. an=n(n^2-6) 2.) For this question, remember that your answer has to begin with the second term of the following sequence. Look for the next four terms of the ...
Wednesday, April 29, 2015 at 7:07pm

Math
How do you tell whether a number is a perfect square from the exponents of its prime factorization? Explain why this works.
Wednesday, April 29, 2015 at 6:49pm

math
A service that repairs televisions sells maintinance agreement for $9 a year the average cost for repairing a television is $39 and 3 in every 100 people who purchased maintenance agreements have television that require repairs Find the services expected profit per maintenance...
Wednesday, April 29, 2015 at 6:48pm

math
if a movie theater holds 1200 and 2/3 of its seat how many tickets does sell
Wednesday, April 29, 2015 at 6:46pm

math
dave throws loose change in to a cup an takes it out every 2 weeks this time it is all nickels and dimes there are 7 times as many dimes as nickels and the value of dimes is $5.85 more than the value of the nickels how many nickels and dimes does dave have
Wednesday, April 29, 2015 at 6:40pm

Math
If p and q are relatively prime, then GCF(p,q) = ______, and LCM(p,q) = _______.
Wednesday, April 29, 2015 at 6:37pm

math
Lee wants to cut this piece of canvas into two rectangles that are 3×2 and 3×5. He wants the sum of the two small recyangles to be the same as the area of the large rectangle. Can he do this? Explain the rectangle is 6feet across and 3feet tall
Wednesday, April 29, 2015 at 6:36pm

math
Ryans limo drove 24 miles east and then drove 50 miles south How far is the limo from where he started round to nearest tenth
Wednesday, April 29, 2015 at 6:33pm

math
Jason earns 30 cents for every carrot he sells. He earns an extra $3 for every 30 carrots he sells. How many carrots must he sell in order to earn $555?
Wednesday, April 29, 2015 at 6:03pm

Math
A person who is 5 feet tall is standing at 110 feet from the base of the tree and the tree cast a shadow of 120 feet the person shadows 10 feet in length was the height of the tree?
Wednesday, April 29, 2015 at 5:59pm

Math help Steve?
1) Given that p(-3), p(-1), and p(5)=0, which expression could be p(x)? A)x^3-x^2-17x-15 B)x^3+x^2-17x+15 C)x^3-3x^2-13x+15 D)x^3-9x^2+23x-15 Hi Steve, I got what you said, but how would I solve this equation then?
Wednesday, April 29, 2015 at 5:17pm

Math
Hello again! I would appreciate help very much on this. Thank you! 1) For which values of x is y equal to 16 in the equation y=|3x+4|? A) -60 and 36 B) -36 and 60 C) -20/3 and 4 D) 20/3 and 4
Wednesday, April 29, 2015 at 5:12pm

Math
If a square is a kite it must have?
Wednesday, April 29, 2015 at 5:04pm

Math
1. Which function represents an initial population that increases 22% per year where A represents the initial value and X represents time in years? A. Y=A(0.22)^x B. Y=A(0.68)^x C. Y=A(1.22)^x D. Y=A(1.68)^x I do not get how to solve this problem. Any help would be great. ...
Wednesday, April 29, 2015 at 5:03pm

Last week Help Math
A student asks, "If the average income of 10 people is $10,000 and one person gets a raise of $10,000, is the median, the mean, or the mode changed and, if so, by how much?"
Wednesday, April 29, 2015 at 4:50pm

History/ Civics
1.How did the capture of Vicksburg, Mississippi, take advantage of a Confederate weakness? A-The Confederacy had few soldiers and relied on its well-trained generals to win battles. B- The Confederacy had few weapons manufacturers and relied on Vicksburg for ammunition. C- The...
Wednesday, April 29, 2015 at 4:41pm

Math
A rectangle has an area of 48 square yards. For what whole number values of length & width will the rectangle have the smallest perimeter?
Wednesday, April 29, 2015 at 4:34pm

Math
The areas of the rectangular faces of the box are shown( 90 in.², 60 in.², & 54 in.²). What is the volume of the box?
Wednesday, April 29, 2015 at 4:33pm

Math
The area of each unshaded rectangle is given (the areas given are ( 30 in.², 45 in.², 72 in.²)). What is the area of the shaded rectangle?
Wednesday, April 29, 2015 at 4:31pm

Math
For what whole number values of length and width will the rectangle have an area of 60 square yards and I'm perimeter of 38 yards?
Wednesday, April 29, 2015 at 4:29pm

Math
A gutter at the edge of a roof drops 2 inches for every 30 feet of length. To the nearest tenth of a degree, what is the measure of the angle that the gutter makes with the roof? I got an answer before, but where does 12 come from?
Wednesday, April 29, 2015 at 4:18pm

math
The graph of a second-order polynomial is shown below, and the intercepts with the axes are marked. Explain how you can use the graph to write the polynomial as a product of linear factors (x-a)(x-b). Be sure to state the values of a and b.
Wednesday, April 29, 2015 at 4:14pm

math
triangle abc has coordinates a -1,1 b 1,1 c 0,-1 triangle xyz will be a dilation of triangle abc with a scale factor of 3 at what coordinates should point x of triangle xyz be plotted
Wednesday, April 29, 2015 at 3:49pm

Math
1) Malene rented a compact car for 10 days and drove it 620 miles for a total cost of 412$. Patrick rented a compact car at the same rental car company for 6 days adn drove it 850 miles. His total cost was 295. Which system of equations could be used to determind d, the charge...
Wednesday, April 29, 2015 at 3:48pm

Math (check answers)
1) Given that p(-3), p(-1), and p(5)=0, which expression could be p(x)? A)x^3-x^2-17x-15 B)x^3+x^2-17x+15 C)x^3-3x^2-13x+15** D)x^3-9x^2+23x-15 2) Coaches in a football conference had the option to vote for or against a rule change. The table below shows the results. 4 people ...
Wednesday, April 29, 2015 at 3:40pm

Math
Use the binomial probability to solve. Basketball Suppose you make 90% of your free throws and you attempt 3 free throws. Use the Binomial Theorem to calculate each probability. a. You do not make any of them. - I have this one b. You only make 1 of them. - I have this one c. ...
Wednesday, April 29, 2015 at 3:36pm

Math
1)If the roots of a quadratic equation are -2 and 3, the equation can be written as A) (x+2)(x+3) B) (x-2)(x+3)** C) (x+2)(x-2) D) (x-2)(x-3) Is the answer B? If someone could help me that would be great.
Wednesday, April 29, 2015 at 3:28pm

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 ...
Wednesday, April 29, 2015 at 3:24pm

Math
1) Which sum best represents the model shown below? There are 3 blue blocks, and each of them separately equal x^2. There are 2 green blocks that each separately equal x. There are 2 red blocks that each separately equal -1. And there is 1 yellow block that equals 1. A) 3x^2+...
Wednesday, April 29, 2015 at 3:14pm

Math Please help Ms. Sue
How can you determine if the given lines are perpendicular? Line 1: (-1,3) and (3,-3) Line 2: (-3,0) and (3,3) A)determine if they have slopes with opposite values*** B)determine if they have the same slope C)determine if the product of their slope is 1 D)determine if the ...
Wednesday, April 29, 2015 at 3:06pm

Math
1) Which expression represents the perimeter of the triangle drawn below? The triangle has (x-1) on the left side. (x+2) is on the bottom of the triangle. (2x-4) is on the slanted top. A) 3x-3 B) 3x-5 C) 4x-3 D) 4x-5 I do not know how to do this, so help would mean so much to ...
Wednesday, April 29, 2015 at 2:59pm

easy math
Troy can order a large or small snow cone. There are 16 flavors and 2 toppings from which to choose. How many ways can Troy order a snow cone? 120 64 32 30 Is it 64 or 32 what do I do?
Wednesday, April 29, 2015 at 1:29pm

Math
Troy can order a large or small snow cone. There are 16 flavors and 2 toppings from which to choose. How many ways can Troy order a snow cone? 120 64 32 30 Is it B? what do I do?
Wednesday, April 29, 2015 at 1:18pm

math
the areas of the rectangular faces are: 90, 54, and 60. What is the volume of the box?
Wednesday, April 29, 2015 at 12:40pm

math
a rectangle has an area of 48 square yards. For what whole number values of length and width will the rectang,e have the smallest perimeter?
Wednesday, April 29, 2015 at 12:38pm

math
for what whole number values of length and width will the rectangle have an area of 60 square yards and a perimeter of 38 yards?
Wednesday, April 29, 2015 at 12:37pm

Math
Find the area of a triangle on a spherical surface that has a radius of 3cm and angles that measure 75degrees, 160 degrees, and 142 degrees.
Wednesday, April 29, 2015 at 12:37pm

Math
Find the length of the side of a right triangle side a is 40 mm the opposite is 41 mm
Wednesday, April 29, 2015 at 12:34pm

Math
How much glas is needed to make a fish tank that is 12 inches long, 8 inches wide, and 9 inches high? The tank is open on top.
Wednesday, April 29, 2015 at 12:30pm

Math
Find the volume of a regular square pyramid that is 8 m high and has the length of the side of the base as 9 m
Wednesday, April 29, 2015 at 12:28pm

Math
The lens of a telescope has a diameter of 24 inches. Find the exact area of the lens.
Wednesday, April 29, 2015 at 12:26pm

Math
How much farther is it around the bases of a 90 feet diamond than around the bases of a 60 feet diamond
Wednesday, April 29, 2015 at 12:22pm

Math
One angle of a triangle measures 105degrees and another angle measures 32degrees what is the measurement of the third angle
Wednesday, April 29, 2015 at 12:20pm

math
In a circle with a radius of 5cm and is centered at point O, angle AOB intercepts arc AB. Arc AB has a length of 10cm. What is the degree measure of angle AOB? Round to the nearest hundredth.
Wednesday, April 29, 2015 at 10:30am

Math
You rolled a number cube number from one to six 12 times. p(5)=2/3 What type of probability is this and why?
Wednesday, April 29, 2015 at 9:38am

Math
A number cube is rolled 160 times. The number 2 comes up 39 times. what is the experimental probability of rolling a 2? What is the theoretical probability of rolling a 2? A. 39/160 ; 1/80 b. 1/6 ; 39/160 C. 39/160 ; 1/6 D. 121/160; 1/6 My answer is B. Is this right????
Wednesday, April 29, 2015 at 9:30am

math
5.8 + 5.758
Wednesday, April 29, 2015 at 7:07am

math
Find the surface area of the cylinder to the nearest whole number. The figure is not drawn to scale. 13 in on top, 14 in around/
Wednesday, April 29, 2015 at 4:00am

math
Show that the twenty-first,thirty-seventh and sixty-fifth term of a linear sequnce are consecutive terms of an exponential sequnce whose common ratio is 7/4
Wednesday, April 29, 2015 at 3:46am

math
suppose that 8 turns of a wire are wrapped around a pipe with length of 60 inches and a circumference of 4 inches, so that the wire reaches from the bottom of the pipe to the top. what is the length of the wire
Tuesday, April 28, 2015 at 11:02pm

math
.5 L/s gal/h .5 L/1s= .5L/1s x 3.7 gal/1 h
Tuesday, April 28, 2015 at 9:31pm

Math help
How would I find the volume of a cube with edge lemgth of 3sqrt2 cm?
Tuesday, April 28, 2015 at 9:19pm

math
What function would have a zero at sqrt2?
Tuesday, April 28, 2015 at 9:18pm

Math
By using the numbers 1, 1,1, 5 and 6 only once but need to use all and using any math get the number 51
Tuesday, April 28, 2015 at 8:51pm

MATH
NOT INDEPENDENT A box contains four white, three red, and two black marbles. Three marbles are chosen at random. a. What is the probability that all three are the same color? b. What is the probability that all three are different colors?
Tuesday, April 28, 2015 at 8:50pm

5th grade math
how can you use compatible number to estimate 14675 divided by 7 so that the estimate is greater that the actual quotient? how can you use compatible numbers so the estimate is less that the actual quotient.
Tuesday, April 28, 2015 at 8:27pm

Math
Can someone please check my answers? A yard has a square gate that has an area of 8 square meters. 1. What is the height of the gate in meters? Answer: 28 meters 2.How many feet would that be? Answer: 8.4 feet 3. If each side was 1 foot longer, what would be the area of the ...
Tuesday, April 28, 2015 at 8:04pm

MATH
A box contains four white, three red, and two black marbles. Three marbles are chosen at random. a. What is the probability that all three are the same color? b. What is the probability that all three are different colors?
Tuesday, April 28, 2015 at 7:34pm

Math
Please help me solve this question. Two conjugate diameters of the ellipse x^2/a^2+y^2/b^2=1 are drawn to meet the directrix at P and Q. PM is drawn perpendicular to OQ and ON perpendicular to OP. Prove that PM and ON meet at a fixed point and state its coordinates.
Tuesday, April 28, 2015 at 7:24pm

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