Monday
May 2, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

Math
Do you have any 3rd grade math practice worksheets that I can use with my students? One of my students has a predicament of not doing his homework. Please implement your time and implementing a few practice worksheets for my students. Sincerely, Mrs. Raja 3rd grade teacher
Tuesday, March 29, 2016 by Mrs. Raja

math
HOW MANY PENNIES DOES IT TAKE TO MAKE $500?
Tuesday, March 29, 2016 by LUTHER_E

math
What is 78 / 9 x 3 + (6 - 9)?
Tuesday, March 29, 2016 by Andy

math
the product of a number and five decreased by eight
Tuesday, March 29, 2016 by chris

Math
Marcus has a large supply of rectangular wooden tiles. He wants to lay them out to form a square such that there are no gaps, and no tiles overlap. Each tile measures 44 mm wide and 56 mm long a) What will be the dimensions of the smallest square he can form using these tiles...
Tuesday, March 29, 2016 by Jay

Math
An auditorium has 150 rows of seats. The first row has 15 seats, the second row has 17 seats, the third row has 19 seats, and so on, each row having two more seats than the previous row. How many seats are there together in the auditorium.
Tuesday, March 29, 2016 by Jay

Math
If there are 380 seniors and 29 out of every 40 plan on going to college how many plan on going to college?
Tuesday, March 29, 2016 by Senpai

Business Math
An investor has 98 000 to invest. If part is invested at 5% at the rest at 10% how much should be invested at each rate to yield 8% on the total amount? How much will be the interest on the total?
Tuesday, March 29, 2016 by pypski

Math
A researcher tagged 40 giant turtles in 2008.In 2009 she returned and captured 50 turtles,16 of which were tagged.In 2010,she returned again and captured 30 turtles,8 of which were tagged. ....use a proportion to estimate the turtle population for both 2009 and 2010........I ...
Tuesday, March 29, 2016 by Senpai

Math
A rug has an area of 2/3 of a square meter and has a length of 5/6 of a meter. Determine the width of the rug
Tuesday, March 29, 2016 by Anonymous

math
Byron and his band are touring for 6 weeks along the East coat. If they have 12 nights off and play a concert on each of the remaining nights, how many concerts will the band play while on tour?
Tuesday, March 29, 2016 by Anonymous

math
The ratio of the ages of ramu and his sister is 3:4 . If the age of his sister is 36,how old is ramu?
Tuesday, March 29, 2016 by math

Math
1-(sinx tanx / 1+secx)
Tuesday, March 29, 2016 by Loved Chilapu

Math
Mr.Anders wants to put a fence around his back yard.his backyard is rectangular. The lengths of the sides are 75 yards,45 yards,75 yards,and 45 yards.How much fencing will Mr.Anders need?
Tuesday, March 29, 2016 by Hank

Math
If a square is 8.4 feet on each side. How many square feet is it
Monday, March 28, 2016 by Joe

math
Multiply fractions and whole numbers 3. Math class starts at 9:50 A.M. and ends at 10:45 A.M. How long is the class??? Please help me on this question I'm stuck on homework!
Monday, March 28, 2016 by maraya

Math-7th grade
A scale drawing is a parallelogram with a base of 8 inches, a height of 3 inches, and a side length of 4 inches. What is the perimeter and area? Perimeter 3x4x8 = 96 inches Area 8x3 = 24 inches Can this be correct? Sounds too easy. If it is correct, what if scale factor is 4:1...
Monday, March 28, 2016 by Mimi

math
In a lottery game, a player picks 7 numbers from 1 to 45. How many different choices does the player have if order doesn't matter?
Monday, March 28, 2016 by Anonymous

math
If I had a rectangular prism with a volume of 64 cubic cm, what might the L, W and H be?
Monday, March 28, 2016 by victoria

Math
find the equation of a parabola that has a vertex of (-2,-3) and contains the point (4,1).
Monday, March 28, 2016 by Isaiah

Math please explain!!
A student got 80 percent problems correctly which is 32 problems correct. how many problems are they in total? I got 40 in a page but it did not explain can you PLEASE EXPLAIN!!!!
Monday, March 28, 2016 by Jenniferlove

Math
Jose got 80 percent of his questions correctly in his test which is 32 answers correct. how many questions were they in total? PLEASE HELP!!! THIS IS FOR A TEST
Monday, March 28, 2016 by Jenniferlove

math
the slop of the line that goes through (-3, -6) and (-3,-6)is._____ you may find it it helpful to graph the points first
Monday, March 28, 2016 by awesome

4th grade math
long jump measurements. Allison jumped 3/8 foot shorter than the farthest jump. How far, in feet, did Allison jump? how to calculate long jump measurements
Monday, March 28, 2016 by Anthony

Math
A circle has a radius of 10 cm. A chord is 6 cm from the center. What is the length, in centimeters, of the chord?
Monday, March 28, 2016 by Nandhika Sivakumar

Math
Without looking, George pulls socks from a drawer containing 2 white socks, 3 black socks, and 5 yellow socks. With each pull, a sock is removed from the drawer and is not replaced. Find the probability of drawing a yellow, black, and white sock in that order? do we had 5/10 +...
Monday, March 28, 2016 by Zion

Math
Mr. Santiago bought 10 crates of oranges. There were 50 oranges in each crate. He sold 65% of them. 8% of the remainder went bad, and he threw them away. a) How many money did Mr. Santiago earn if he sold the oranges 5 for $1.20? b) If he made $24.15 by selling the rest of the...
Monday, March 28, 2016 by Cailey

1st math
How far does the minute hand move in an hour?
Monday, March 28, 2016 by Sara

math\
Michael invested a certain amount of money at 3% interest and $750 more than that amount at 5%. His total yearly interest was $157.50. How much did he invest at each rate?
Monday, March 28, 2016 by winsome

Math
what is 4 5/8 and 3 3/4 added then subtracted by 11 1/8
Monday, March 28, 2016 by Candace

Math
What is the least common denominator of the four fractions listed below 20 7/10 20 3/4 18 9/10 20 18/25
Monday, March 28, 2016 by Candace

Math
Can you help with a math word problem on rates and ratios
Monday, March 28, 2016 by Susan

Math
Triangle RST has angles measuring 38° and 75°. Triangle R′S′T′ has angles measuring 67° and 38°. The sides are proportional.. Is it dilation? If not what is it??
Monday, March 28, 2016 by Bubble

5th grade math
A seed needs to grow 3 in. in one week. the seed grows 1 7/8 in. one day and 1/2 in. another day. how many more inches does the seed new to grow. Do I add or subtract. help
Monday, March 28, 2016 by Jeffery

math
You are dealt one card from a standard​ 52-card deck. Find the probability of being dealt a card greater than 2 and less than 7. I got 5x4=20/52=5/13
Monday, March 28, 2016 by jessica

math
use the unit circle to determine the exact value of each angle: sine 30 degrees, cosine pi, sine 11 pi divided by 6, and cosine 135 degrees.
Monday, March 28, 2016 by Chris

math
For holloween,David packed 6 lb of candy into bags of 1/3 lb each. How many bags of candy did David pack?
Monday, March 28, 2016 by jasmin daniels

math
find the values of cosine 21 degrees, and sine 3 pi divided by 10
Monday, March 28, 2016 by Chris

math
The Washington monument is 555 feet high. If you are standing one quarter of a mile, or 1320 feet, from the base of the monument and looking at the top, find the angle of elevation to the nearest degree.
Monday, March 28, 2016 by Chris

math
At a certain time of the day the elevation of the sun is 40 degrees. To the nearest foot, find the height of a tree whose shadow is 35 feet long.
Monday, March 28, 2016 by Chris

math
Kevin will rent a car for the weekend. He can choose one of two plans. The first plan has no initial fee but costs $0.90 per mile driven. The second plan has an initial fee of $50 and costs an additional $0.70 per mile driven. How many miles would Kevin need to drive for the ...
Monday, March 28, 2016 by marisol

EASY Math
The equation V = -2000t + 20,000 describes the value in dollars of a certain model of car after it is t years old. If a car is worth $14,000, find the age of the car.
Monday, March 28, 2016 by Sarah

Math please help
The measure of the supplement of an angle is 30 more than twice the measure of the angle. Find the measure of the angles.
Monday, March 28, 2016 by Dylan

math
grant needs 2/3 cup of raisins and 3/4 cups of almonds to make trail mix. which statement can be used to find out if there are more raisins or almonds in the mix?
Monday, March 28, 2016 by michele

Math
So Prize money of $500 is divided between Alan & Jim so that Alan receives $170 more than Jim How much does each receive ----- Using one variable:: Let Jim have "x" Then Alan has "x+170" ---- Equation: x + x+170 = 500 2x = 330 x = $165 (Jim's share) x+...
Monday, March 28, 2016 by Jeremy

Math
You borrow 1,200 at a rate of 4.5% for a period of 6 months How much will you repay at the end of 6 months? A. 27 B. 54 C. 1,173 D. 1,227•• Correct me
Monday, March 28, 2016 by Pablo

Math
Suppose that a company guarantees refrigerators and will replace with a new one that breaks while it is under the guarantee. However, the company does not want to replace more than 5% of the refrigerators under the guarantee. For how long should the guarantee be made? You can ...
Monday, March 28, 2016 by Morgan

Math
You borrow 1,200 at a rate of 4.5% for a period of 2 years. How much will you repay at the end of 2 years? a. $108 b. $1,080 c. $1,308 •• d. $2,280 Correct me
Monday, March 28, 2016 by Pablo

Math
In the US, there is a .9 probability that a dollar bill is tainted with traces with drugs. If we randomly select 6 bills, what is the probability that 0 will be tainted? I got .0657 using my calculator
Monday, March 28, 2016 by Meaghan

math
In the 6/55 lottery game, a player picks six numbers from 1 to 55. How many different choices does the player have?
Monday, March 28, 2016 by Anonymous

Math
Suppose that a company guarantees refrigerators and will replace with a new one that breaks while it is under the guarantee. However, the company does not want to replace more than 5% of the refrigerators under the guarantee. For how long should the guarantee be made? You can ...
Monday, March 28, 2016 by Morgan

math
If Mr Nawa earns N$ x in a week and spend N$ y, what part of his weekly salary did he save?
Monday, March 28, 2016 by Anonymous

math
If you randomly select a card from a well-shuffled standard deck of 52 cards, what is the probability that the card you select is a spade or 6?
Monday, March 28, 2016 by Anonymous

math
If you randomly select a card from a well-shuffled standard deck of 52 cards, what is the probability that the card you select is a Queen or Jack?
Monday, March 28, 2016 by Anonymous

math
A couple plans to have three children. What is the probability that a) they have all boys? b) they have at least one girl?
Monday, March 28, 2016 by Anonymous

math
If you randomly select a card from a well-shuffled standard deck of 52 cards, what is the probability that the card you select is a diamond or 6?
Monday, March 28, 2016 by Anonymous

math
If you randomly select a card from a well-shuffled standard deck of 52 cards, what is the probability that the card you select is a Jack or 2? (Your answer must be in the form of a reduced fraction.)
Monday, March 28, 2016 by Anonymous

English
Thank you for your help. There are some more sentences concerning the preposition 'in.' 1. He will be back in a few days. 2. The show starts in an hour. 3. Do you wnat to meet here in an hour? (Does 'in ' mean 'after a particular length of time'...
Monday, March 28, 2016 by rfvv

Math
If 1L cost $1.25 then how much would 1cup cost? How would i do this?
Monday, March 28, 2016 by Tiara

math
A wire of lenght 90 cm is bent to form a square.Find the length of the side of the square
Monday, March 28, 2016 by amanul rahman

math
Which of the following are binary operation.justify your answer. (i) the operation . defined on Q by a.b =a(b-a) (ii) the operation . defined on [0, pi] by x.y = cosxy also,for those operation which are binary operations,check whether they are associated and commutative .
Monday, March 28, 2016 by gourav bhardwaj

math
Find the orthogonal canonical reduction of the quadratic from -x^2+y^2+z^2-6xy+2yz. Also, find its principal axes,rank and signature of the quadratic form.
Monday, March 28, 2016 by gourav bhardwaj

Math
A man uses 60m of fencing to make 3sides of a rectangular fence,the fourth being the wall,if the area enclosed is 448m^2 .Find the possible length of the sides of the fence.
Monday, March 28, 2016 by Kuteesa

Math
8 Elizabeth recorded the length in centimeters of the pinky fingers of 10 students in her math class. The results are shown below. What is the mean absolute deviation for length of a pinky finger? 6.1, 5.4, 5.8, 6.3, 6.2, 5.9, 6.5, 5.2, 4.9, 5.5
Monday, March 28, 2016 by Anonymous

math
Suppose 3 balls are drawn at random from a box containing 8red,3white and 9blue balls,combinatorial analysis can be employed to determine the probability that,for instance,all balls drawn are red.determine that: I. At least one is white. II.one of each color is drawn.
Monday, March 28, 2016 by Ibrahim

math
A store owner receives 12 computers:nine are model A and the rest are model B.if two computers are sold at random,find the probability that one of each model is sold. (base on probability and combinatorial analysis)
Monday, March 28, 2016 by Bravo

math
A factory finds out that on the average 20% of bolts produced by the given machine will be defective.if 10 bolts are selected at random from the day's production of this machine,find the probability that 1.exactly 2 will be defective. 2. 2 or more will be defective 3. More...
Monday, March 28, 2016 by Bravo

Math
Josie wants to tile one square section of her countertop. She bought 850 tiles with side lengths of 1 inch. A. What is the largest side length of that countertop she can tile? Round to the nearest whole inch. B. How many tiles will she have left over?
Monday, March 28, 2016 by Brandon

Math
The equation V = -2000t + 20,000 describes the value in dollars of a certain model of car after it is t years old. If a car is worth $14,000, find the age of the car.
Sunday, March 27, 2016 by Sarah

Math
Cynthia is hanging a picture on the wall. The picture is 30 inches wide and 34 inches high and will be hung on a wall that is 10 feet high. The center of the picture must be 6 1/3 feet from the floor. Determine the distance from the ceiling to the top of the picture frame. ...
Sunday, March 27, 2016 by Jason

math essentials
A rectangular rug is 12.5 feet long and 10 feet wide. The rug needs to be reduced by a factor of es026-1.jpg to be placed near a door. What is the area of the reduced rug in square feet?
Sunday, March 27, 2016 by Anonymous

math
Determine the range of 𝑦 = −5cos(𝑥 + 𝜋 6)−3
Sunday, March 27, 2016 by nicole

math
Solve for x: 𝑦 = 2sin−1(𝑥 −5)
Sunday, March 27, 2016 by nicole

math
Write an equation for a cosecant function with a period of 3𝜋 and a range of (−‡,−2]&fra​c34;[2,‡)
Sunday, March 27, 2016 by nicole

Math troubles
There's 5 multiple choice questions on a quiz. Four choices to each question. Find the probability that the student gets 3 or more questions right. p(x=3) (.25)^3= 0.015 p(x=4) (.25)^4=3.906 p(x=5) (.25)^5=9.765 Do you add them all together to get the overall probability?
Sunday, March 27, 2016 by Chris

Math problems
On her math test, Terry got 52 questions correct out of 68. What percent of the test questions did Marie answer correctly?
Sunday, March 27, 2016 by Mary

math
You order a pizza. The pizza has a diameter of 14 inches and it is cut into 12 equal slices. You eat four slices, how much of the area have you consumed. How long is the remaining crust.
Sunday, March 27, 2016 by Kate

math
I need help with math 12 5/8+6 3/8+5 2/3= they must have coming denominator like 24 = The answer
Sunday, March 27, 2016 by priyanka

math
geoff planted dahlias in his garden. dahlias have bulbs that divide and reproduce underground. in the first year, geoff's garden produced 8 bulbs. in the second year, it produced 16 bulbs, and in the third year, it produced 32 bulbs. if this pattern continues, how many ...
Sunday, March 27, 2016 by s c r e a m i n g

math
An insurance sales representative selects three policies to review.the group of policies he can select from contains eight life policies,five automobile policies and two homeowner's policies.find the probability of selecting: I.all life policies. II.both homeowner's ...
Sunday, March 27, 2016 by Bravo

math
A council consists of 10 members.four are NDC,three are NPP and three are from other parties.if a committee of three is to be selected,find the probabilities following: I.one of each party. II.Two NPP and one from other parties. III.one from other parties and two NDC (base on ...
Sunday, March 27, 2016 by Bravo

Math
List all of the integers there are between √13 and √50.
Sunday, March 27, 2016 by John Doswell

math
Given a density of 1.25 pound per gallon and a mass of 2.5 pounds find the volume
Sunday, March 27, 2016 by danette

math
Place value model.what is it
Sunday, March 27, 2016 by Anonymous

math
Show a place value model of4,362
Sunday, March 27, 2016 by Anonymous

math
At the end of Summer, Puss discovers that his radiator antifreeze solution has dropped below the safe level. If the radiator contains 4 gallons of a 25% antifreeze solution, how many gallons of pure antifreeze must he add to bring it up to a desired 50% solution? is the answer...
Sunday, March 27, 2016 by Anonymous

math
A company is making detergent out of soap and water. They made one batch that has 30% soap and another batch which is 60% soap. If they mix 600 liters of the first batch with 300 liters of the second batch, what percent of soap will be in the detergent?
Sunday, March 27, 2016 by Anonymous

math
Fresh raspberries are 80% water. Dried raspberries are only 20% water. How many pounds of dried raspberries do you get from 36 lb of fresh berries?
Sunday, March 27, 2016 by Anonymous

Math
If 1/sinA+1/cosA =1/sinB+1/cosB, prove that: cot(A/2+B/2) = TanA. TanB
Sunday, March 27, 2016 by Rabin

Math
A certain part of a hiking trail slopes upward at about 10° angle. After traveling a horizontal distance of 120ft along this part of the trail. What would be the change in hiker's vertical position? What distance has the hiker traveled along the path?
Sunday, March 27, 2016 by Ieza

Math
A certian recipe asks for 5/8 cup of granola. How much is needed to make 1/9 of a recipe?
Sunday, March 27, 2016 by Ben

Math
You order a pizza. The pizza has a diameter of 14 inches and it is cut into 12 equal slices. You eat four slices, how much of the area have you consumed. How long is the remaining crust.
Sunday, March 27, 2016 by Katie

math
Find the nature of the conic 2x^2+xy-y^2-6 = 0
Sunday, March 27, 2016 by gourav bhardwaj

math
Let (x1,x2,x3) and (y1,y2,y3) represent the coordinates with respect to the bases B1 = { (1,0,0),(0,1,0),(0,0,1)} , B2 = { (1,0,0),(0,1,2),(0,2,1) }. If Q(x) = 2x^2+2x1x2-2x2x3+x2^2+x3^2, find the representation of Q in terms of ( y1, y2 ,y3 ).
Sunday, March 27, 2016 by gourav bhardwaj

math
Find the orthogonal canonical reduction of the quadratic from -x^2+y^2+z^2-6xy+2yz. Also, find its principal axes,rank and signature of the quadratic form.
Sunday, March 27, 2016 by gourav bhardwaj

math
Find the radius and the centre of the circular section of the sphere | r| = 4 cut off by the plane r.(2i-j+4k) = 3.
Sunday, March 27, 2016 by gourav bhardwaj

math
which of the following are binary operation.justify your answer. (i) the operation . defined on Q by a.b =a(b-a) (ii) the operation . defined on [0, pi] by x.y = cosxy also,for those operation which are binary operations,check whether they are associated and commutative .
Sunday, March 27, 2016 by gourav bhardwaj

math
What will be dividend if divisors 64 quotient 13 remainder 28
Sunday, March 27, 2016 by sneha thakur

Math
What is the probability of choosing a red or blue gum ball from a bag that contains 14 red, nine blue, and 12 green gumballs.
Saturday, March 26, 2016 by Gina

math
A standard deck of has 52 cards, and contains 13 cards of each of the four suits: diamonds, spades, hearts, and clubs. What is the probability that you choose a spade, given that you have already chosen a diamond (and have not replaced it)?
Saturday, March 26, 2016 by Fallon

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