Saturday
August 29, 2015

Homework Help: Math

Branches of Math

Recent Math Questions

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 by cat

Math
If p and q are relatively prime, then GCF(p,q) = ______, and LCM(p,q) = _______.
Wednesday, April 29, 2015 by Isa

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 by leanna

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 by tom

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 by jessi

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 by Anonymous

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 by Alan

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 by Alan

Math
If a square is a kite it must have?
Wednesday, April 29, 2015 by miss_perfect

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 by Alan

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 by Enis

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 by Jane

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 by Susan

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 by Susan

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 by Susan

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 by Susan

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 by Anonymous

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 by jay

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 by ciara

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 by Alan

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 by Alan

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 by Sammy

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 by Alan

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 by Yin

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 by sasha

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 by Sarah

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 by sasha

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 by Sadie

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 by Sadie

math
the areas of the rectangular faces are: 90, 54, and 60. What is the volume of the box?
Wednesday, April 29, 2015 by Maddie

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 by Maddie

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 by Maddie

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 by Em

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 by Em

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 by Em

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 by Tim

Math
The lens of a telescope has a diameter of 24 inches. Find the exact area of the lens.
Wednesday, April 29, 2015 by Tim

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 by Barb

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 by Barb

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 by kathy

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 by Birdy

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 by Sarah

math
5.8 + 5.758
Wednesday, April 29, 2015 by Stephanie

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 by emily

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 by oliver kennedy

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 by Kofi

math
.5 L/s gal/h .5 L/1s= .5L/1s x 3.7 gal/1 h
Tuesday, April 28, 2015 by Jameis

Math help
How would I find the volume of a cube with edge lemgth of 3sqrt2 cm?
Tuesday, April 28, 2015 by Anonymous

math
What function would have a zero at sqrt2?
Tuesday, April 28, 2015 by Georgia

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 by John

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 by Sally

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 by Mythreyee

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 by Chloe

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 by Suzie

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 by Bushy

Math
Women make up 5% of all film directors. There are 122,500 film directors working. How many women are directing films?
Tuesday, April 28, 2015 by Blake

math
A baker can make a cupcake for $2.30. She would like a profit of 50 cents each. What is the percent markup on the cupcake, to the nearest tenth of a percent?
Tuesday, April 28, 2015 by Robert

math
women make up 5% of all teachers. there are 122,500 teachers working. how many women are teAchers?
Tuesday, April 28, 2015 by chalen

Math
Let P and Q be two points on a parabola whose vertex is O. If the chord PQ meets the axis at K and the tangent to the parabola at P and Q meet the axis at T1 and T2. Prove that OT1.OT2=OK^2
Tuesday, April 28, 2015 by Bushy

Math
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 by Bushy

math
Two towns on a map are 2 1/4 inches apart. The actual distance between the two towns is 45 miles. what does one inch on the map represent?
Tuesday, April 28, 2015 by blake

math
if $6000 is invested at 3% compounded quarterly, what is the amount after 6yrs?
Tuesday, April 28, 2015 by sasha

Math (i'm confused)
commission of 10% on a sale of $2500? I think you are supposed to multiply but i'm not sure.....
Tuesday, April 28, 2015 by Daniela

Math
I need to find what the total commission of 14% on a $3000 sale. Can u please show in detail how to solve this. Please and thank u. :)
Tuesday, April 28, 2015 by Bobby

Math
file:///C:/Users/SCHOOL/Pictures/math.JP​G Determine which function has the greater rate of change 1.The rates of change are equal. 2.The graph has a greater rate of change. 3.The table has a greater rate of change.*** 4.none of the above Is this right?
Tuesday, April 28, 2015 by Charity

Math
A solid is made up of two rectangular prisms how would I find the surface area of the solid? The diagram shows 3 feet on top, 6 feet on the left side, 7 feet on the bottom, 2 feet and 4 feet to the right Our teacher gave us the answer of 156 then told us to figure out how she ...
Tuesday, April 28, 2015 by Josh

math
what is the total commission of 14% on a $3000 sale??
Tuesday, April 28, 2015 by amy

Math
Determine which function has the greater rate of change 1.The rates of change are equal. 2.The graph has a greater rate of change. 3.The table has a greater rate of change. 4.none of the above file:///C:/Users/SCHOOL/Pictures/math.JP​G HELP ME UNDERSTAND THIS PLEASE??
Tuesday, April 28, 2015 by HELP

math
35 percent of the total length of the screen at the movies is 51.8 feet. What is the total length of the screen? Please give full details.
Tuesday, April 28, 2015 by kim

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

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