Saturday

July 4, 2015

July 4, 2015

**Math**

A bag contains 2 white marbles and 7 purple marbles. Two marbles are drawn at random. One marble is drawn and not replaced. Then a second marble is drawn. A) What is the probability of selecting a purple marble and then a white marble? B) What is the probability of selecting ...
*Monday, April 13, 2015 by Rima*

**Math**

Patrice cuts a piece of board 4 feet long from a board that is x feet long. Find an expression that describes the length in feet of the original after the cut. a. 4 + x b. 4x c. 4 - x d. x - 4 I pick d, is that the correct answer?
*Monday, April 13, 2015 by Jay*

**MATH**

WHAT IS GREEN AND MAKES HOLES?
*Monday, April 13, 2015 by Anonymous*

**Math 1**

Ellen is making rectangular bookmarks. Each bookmark has an area of 16 square inches, and the length is 6 inches more than the width. Find the length and width of her bookmarks.
*Monday, April 13, 2015 by CB*

**Simple math**

Two standard number cubes are thrown. Given that one of the cubes shows a five, what is the probability that the sum of the numbers that come up on the two cubes is five?
*Monday, April 13, 2015 by Heanna*

**math**

Q. The rectangular-shaped doctor's office has an area of 120 square feet and a perimeter of 44 feet. What are the dimensions of this office space? - A. Do I add just add 120 by 44??
*Monday, April 13, 2015 by amethyst*

**Math**

Which fraction would fit between the 1/7 and 1/4? A. 1 over 5 B. 2 over 7 C. 1 over 3 D. 1 over 8
*Monday, April 13, 2015 by Angelina*

**math**

the diagram shows the length of the borders of the fence the length of the fence is 62 meters what is the unknown Length
*Monday, April 13, 2015 by MiKayla Snyder*

**Math**

Jack brought 2 quart of motor oil. His car took 1quart and another half quart. How many cups of oil does he have left?
*Monday, April 13, 2015 by Ava*

**math**

How do i find the 12th term of the sequence 36,18,9.... using a formula
*Monday, April 13, 2015 by matt*

**math**

How do i find the 12th term of the sequence 36,18,9.... using a formula
*Monday, April 13, 2015 by john*

**math**

find the number of terms for the following sequence. 125,109,93,.......-115 i got the answer of 15 terms. How do i get it though using a formula?
*Monday, April 13, 2015 by john*

**math**

A professor gave his 40 students a test with three questions. Every student answered at least one question. Ten student did not answer the first question, 14 did not answer the second question, and 12 did not answer the third question. If 18 students answered all three ...
*Monday, April 13, 2015 by Excel*

**math**

Would you be most likely to measure the amount of water in your kitchen sink in liters or milliliters? Someone pls help 😔
*Monday, April 13, 2015 by Bub*

**Math**

Jack brought 2 quart of motor oil. His car took 1quart and another half quart. How many cups of oil does he have left?
*Monday, April 13, 2015 by Ava*

**math**

find the missing terms for the following sequence geometric sequence 96,__,__,__,6
*Monday, April 13, 2015 by john*

**math**

find the 12th term of the sequence 36,18,9....
*Monday, April 13, 2015 by john*

**math**

-2h-21+4h<_9
*Monday, April 13, 2015 by rachel*

**Math - Steve**

Calculate the volume of the figure. The figure is a box with measurements of base 3 cm...length 3 cm height 3 cm and then there is a pyramid on top of the box - perfect fit... but the height of the pyramid is 2 cm. is the volume 33 cm^3? Thank you
*Monday, April 13, 2015 by Cassie*

**Math???Help**

Quinn lives in a house with a value of $235,000. She has a mortgage of $170,000. She owes $5,900 on her car, which is valued at $17,900. She has a credit card balance of $823. Quinn also has $1,200 in a bank account. What is Quinn’s net worth? A $76,177 B $77,377 C $82,...
*Monday, April 13, 2015 by YOLO*

**Math**

(3/4*)-(*/7) x 3 1/2
*Monday, April 13, 2015 by Bongiwe gamede*

**math**

how many grains are there in 1 and 1/2 tablets of 1/8 grains each? how do you figure this out!
*Monday, April 13, 2015 by bryan h*

**Math**

2+(2*+3/2)
*Monday, April 13, 2015 by Bongiwe gamede*

**Math**

How do you write a graph to represent the function x=0,1,2,3 y= 1,4,7,10
*Monday, April 13, 2015 by Jessica*

**Math**

1/2x + 2/3x
*Monday, April 13, 2015 by Bongiwe gamede*

**Math**

What is the funtion rule shown in the table n 3,4,5,6 y 2,1,0,-1
*Monday, April 13, 2015 by Jessica*

**math**

A statistics student had excluded three outlier values when constructing a histogram of a frequency distribution. His teacher directed him to remake the histogram and include the outliers. Which of the following must be true? 1The shape of the histogram changes. 2The ...
*Monday, April 13, 2015 by heem*

**math**

do integers have + and - sign
*Monday, April 13, 2015 by Anonymous*

**math**

do integers have = and - sign
*Monday, April 13, 2015 by Anonymous*

**math **

what are integers
*Monday, April 13, 2015 by Anonymous*

**math**

Which expression has the same value as 54 52 32 33
*Monday, April 13, 2015 by debo*

**math**

Given f (t) = t^3 −3 , find f(a - 1).
*Monday, April 13, 2015 by Mat*

**math**

Given z(t) = square of t +1− t^3 , find z(2).
*Monday, April 13, 2015 by Pam*

**math**

solve the simultaneous equation 2y=3x-13 5x-6y=23
*Monday, April 13, 2015 by charlene*

**math**

there are 5 whole numbers in a data set. the least number is 14 and the greatest number is 25. the mean and median are both 19.what numbers could be the values in the data set? i got: 14 19 25. I do not know how to get the other two missing numbers in the data set? Please ...
*Monday, April 13, 2015 by I need help!!!!*

**math**

Factorise completly 18rc-3rd-6r+rd 2.Solve the pair of simultaneous equations.? 2y=3x-13 5x-2y=23
*Monday, April 13, 2015 by charlene*

**math**

If alpha and beta are the zeroes of the polynomial f (x) = 5y square -7y + 1. Find another polynomial whose zeroes are 2 alpha / beta and 2beta / alpha Whose zeroes ar 1/ 2alpha + beta and 1/2beta + alpha
*Sunday, April 12, 2015 by jhon mathew*

**math**

verify the relationship between the zeroes and the coefficient in the polynomial f (x)=root 4x square +5x-2 root3 if alpha and beta are the zeroes of the polynomial x*2+x-2 . Find the values of 1/alpha -1/beta. Find the value alphacube betasquare + alphasquare betacube
*Sunday, April 12, 2015 by jhon mathew*

**Math**

Find the radius of the circle if an arc of length 5 ft on the circle subtends a central angle of 135°. (Round your answer to two decimal places.)
*Sunday, April 12, 2015 by A*

**Math**

Draw a Venn diagram that represent a class of 32 students. All students take Spanish and 20 take French. How many did not take French.
*Sunday, April 12, 2015 by Jordae*

**Math: stats**

Suppose that the starting salaries of female CFO have a mean of $56,000 and a standard deviation of $12,000. The starting salaries of male CFO have a mean of $50,000 and a standard deviation of $10,000. A random sample of 50 female CFO’s and a random sample of 40 male CFO...
*Sunday, April 12, 2015 by Ronda*

**Math: statistics**

A DVD rental store wants to know what proportion of its customers are under age 21. A simple random sample of 500 customers was taken, and 375 of them were under age 21. Presume that the true population proportion of customers under age 21 is 0.68. Find the mean and standard ...
*Sunday, April 12, 2015 by Statistics*

**MATH**

5x-4y= -3 2x + 7y= 5 How to solve this linear system shown above by using elimination strategy ? (5x-4y= -3) *2 ->10x - 12y= 6 (2x + 7y= 5) *5 -> 10 +35y= 25 ___________________________________________ -47y = -19 y = -19/47 10x - 12y= 6 10x - 12(0.4) = 6 10x -4.8=...
*Sunday, April 12, 2015 by td*

**Math**

The following diagram represents a coffee table . If the scale is 1:30, determine the actual dimensions of the table it is 41/2 length and 2
*Sunday, April 12, 2015 by Krista*

**PHYSICS math**

2. An airplane is 50,000 m above an observer and 2.1 km to the west of them and 1.5 km to the north of you. Determine the angle to the plane in the x – y axis and the total distance to the plane from you. Choose the x-axis east, y axis north, and z axis up
*Sunday, April 12, 2015 by MICHAEL T.*

**math**

A fish tank is in the shape of a rectangular prism. The dimensions of the tank are shown in the picture below. 84 in. 24 in. 48 in. What is the volume of the tank in cubic feet?
*Sunday, April 12, 2015 by Lakshmi*

**Math**

A plane has a height of 1000 m You see the plane at an angle of 40 degrees with the ground . How far away is the plane from where you are standing. Thank you
*Sunday, April 12, 2015 by Tina*

**math**

Water is leaking out of an inverted conical tank at a rate of 10600.0 cm3/min at the same time that water is being pumped into the tank at a constant rate. The tank has height 14.0 m and the the diameter at the top is 6.0 m. If the water level is rising at a rate of 27.0 cm/...
*Sunday, April 12, 2015 by Anonymous*

**math**

Which is not a combination? A. Choosing 3 toppings for your Pizza. B. Lining 3 students up in a row. C. Choosing 2 toppings from a tray of 10. D. Choosing 5 students to represent a class of 30. Is the answer D? Thank you for your help.
*Sunday, April 12, 2015 by anonymous*

**Math**

How do I solve this problem? 6C3 A. 120 B. 720 C. 20 D. 240 Is it 6*5*4*3*2*1
*Sunday, April 12, 2015 by Jon*

**Math**

the cost of renting a speed boat is $25 plus an additional fee of $12 for each hour the boat is rented. which equation can be used to find the c, the cost for renting the boat for h hours. a. c= 12h +25 b. c= 25h + 12 c. c= 12(h+25) d. c= 25 (h+12)
*Sunday, April 12, 2015 by Angelina*

**MATH WORD PROBLEM HELP PLEASE**

Mr. Wu needs to buy a right cylindrical fish tank that holds between 75 and 100 cubic meters of water. Using only these numbers: 2,3,4,5,6, and 7, identify a radius and a height for three different tanks that would fit Mr.Wu"s requirements. The same number may be used ...
*Sunday, April 12, 2015 by Kimbo*

**Math**

which set of measures could be side lengths of a triangle? a. 4 in., 9 in., 12 in b. 3 cm.,6 cm, 9 cm c. 4 mm, 12, mm, 20 mm d. 5 ft, 6 ft, 13 ft i don't know how to get the answer so can u please explain?
*Sunday, April 12, 2015 by Angelina*

**math problem HELP ME**

Andre drew four congruent triangles, with legs a and b units long and hypotenuse c units long. Then, Andre arranged the triangles to form a large square. He then wrote two different expressions for the are of the large square. Since each side measures c, he represented the ...
*Sunday, April 12, 2015 by Kimbo*

**Math**

Determine the height of a tree when it makes a shadow on the ground of 5 ft . The shadow makes all ahole of 40 degrees from the ground to the top of the tree.
*Sunday, April 12, 2015 by Sharon*

**Math**

Find the scale dimensions of a room that measures 10 ft by 8 ft using the scale 1 cm= 4 ft
*Sunday, April 12, 2015 by Sharon*

**Math**

A plane has a height of 1000 m. You see the plane at an angle of 40 degrees with the ground . How far away is the plane from where you are standing.
*Sunday, April 12, 2015 by Michelle*

**Math**

A wall has dimensions 25 m by 10 m represent the wall with a drawing if the scale is 1 cm represents 5 m
*Sunday, April 12, 2015 by Michelle*

**math**

five hundred raffle tickets are sold for $2 each. one prize of $400 is to be awarded. raul purchases one ticket. what is his expected value and fair price of the ticket.
*Sunday, April 12, 2015 by brittany*

**business math**

Jen purchased a condo in Naples Florida for $699,000. She put 20% down and financed the rest at 5% for 35years. What are Jens total finance charge?
*Sunday, April 12, 2015 by sara*

**math**

For a experiment, Jenna needs to make a dilute solution that is 10 ounces of 40% acid. But Jenna only has solutions that are 30% acid and 70% acid. How many ounces of 70% acid solutions should she use? A. 2.5 ounces B. 5 ounces C. 7.5 ounces D. 8 ounces Not sure if I would ...
*Sunday, April 12, 2015 by vincent*

**math**

Erin is making a pitcher of lemonade. Her pitcher is a cylinder with a diameter of 8.6x10^-2 meters and a height of 0.44 meters. What is the approximate total amount of lemonade that will fit in her pitcher? A.2.6 x10^-3 cubic meters B.1.0x10^-3 cubic meters C.2.6x10^-2 cubic ...
*Sunday, April 12, 2015 by vincent*

**math**

29.Paige and Brooke make iced tea. Paige makes 18 ounces of iced tea that is 7% sugar. Brooke makes 10 ounces of iced tea that is 1% sugar. They wanted to combine their tea to have 12 ounces of iced tea that is 3% sugar. How many sugar. How many ounces will Brooke have to ...
*Sunday, April 12, 2015 by Rabie*

**Math Please Help Me**

1. At your summer job with a research company, you must get a random sample of people from your town to answer a question about spending habits. Which of the following methods is most likely to be random? You survey customers at the local shopping mall. You survey people ...
*Sunday, April 12, 2015 by YOLO*

**math**

A gardener rested his hose against a shed. The hose made a 50° angle with the ground
*Sunday, April 12, 2015 by Briana*

**math**

25. The Great Pyramids weigh 6x10^9 kilograms. The Space Shuttle weighs 2x10^6 kilograms. How many times heavier are the Pyramids than the Space Shuttle? A.The Pyramids are 3 times heavier than the space shuttle. B.The pyramids are 30 times heavier than the Space shuttle. C....
*Sunday, April 12, 2015 by Rabie*

**math**

The height (in feet) of a rocket from ground level is given by the function f(t) = -16t^2 + 160t. What is the instantaneous velocity of the rocket 3 seconds after it is launched?
*Sunday, April 12, 2015 by azizah*

**math**

3feet+10inches=
*Sunday, April 12, 2015 by shafic*

**Math help!**

solve for x (x^2 - x) + (x^2 - x)^1/2 -6 = 0
*Sunday, April 12, 2015 by Yin*

**Math help!**

solve for x (x/1-x)^2 - (x/1-x) -6 = 0
*Sunday, April 12, 2015 by Yin*

**Math Help**

I already know the answer I just need to know how they got it. Fraction Whole Number 1/5 x 13,500 = 2,700(how did they come up with this answer)
*Sunday, April 12, 2015 by YOLO*

**Math**

Write down two unitary fractions whose difference is 1/40
*Sunday, April 12, 2015 by Theo*

**math**

the probability sue purchases a dress is 3/5. if she does buy a dress, the probability she buys shoes is 5/8. If she does not buy a dress, the probability she buys shoes is 1/4. If you learn Sue bought shoes, what is the probability she bought a dress?
*Sunday, April 12, 2015 by J.Math*

**Math Word Problem**

Andre drew four congruent triangles, with legs a and b units long and hypotenuse c units long. Then, Andre arranged the triangles to form a large square. He then wrote two different expressions for the are of the large square. Since each side measures c, he represented the ...
*Sunday, April 12, 2015 by Kimbo*

**math**

Dylan uses the expressions (x2 – 2x + 8) and (2x2 + 5x – 7) to represent the length and width of his bedroom. Which expression represents the area (lw) of Dylan’s room?
*Sunday, April 12, 2015 by carlos*

**Math plz help **

Which rational number is equivalent to 3.90 with the .90 repeating? A. 3/90 B. 39/10 C. 35/9 D. 43/11 EXPLAIN PLZ
*Sunday, April 12, 2015 by Kimbo*

**math**

what is the linear velocity of a point in Sydney, Australia which is at latitude 33deg 55'S. Radius of earth is 6370km.
*Sunday, April 12, 2015 by Alice*

**Math, Circuits**

A DC circuit to a specialized of 3000 ohms, a 500 ohms, and 10 000 ohms resistor in series. The series current is 15 mA. Find the Voltage drop across R1.
*Sunday, April 12, 2015 by Camille*

**Math**

f(x)= ¡Ìx+4, g(x)= 2/¡Ì7-2x 1. The domain of f is_______(in interval notation) 2. The domain of g is ______(in interval notation) 3. (f+g)(0)= 4. (f+g)(-5)=
*Sunday, April 12, 2015 by Yin*

**Math**

(a) Straight line passes through the point (-2,8) and is parallel to the line x+2y=4 Slope Intercept Equation is: (b) Straight line passes through the point (-1,9) and is perpendicular to the line 5x+y=4 Slope Intercept Equation is: (c) Determine the center and the radius of ...
*Sunday, April 12, 2015 by Yin*

**Math**

For the function g(x) = 2x^2-3x determine the following expression/quantity. a. g(x+h) -g(x-h) / 2h = Using the results of Part A b. g(3.1)-g(2.9) / 0.1 =
*Sunday, April 12, 2015 by Yin*

**Math**

To support a damaged tree, a guy wire is attached to it and secured to a peg in the ground some distance away ( see the diagram below). 2 ft is by the guy wire 8 ft and 50 degrees
*Sunday, April 12, 2015 by Krista*

**Math**

A room measures 15 ft by 12 ft . Sketch and label a diagram and then calculate its area and perimeter
*Sunday, April 12, 2015 by Krista*

**Math**

Andre drew four congruent triangles, with legs a and b units long and hypotenuse c units long. Then, Andre arranged the triangles to form a large square. He then wrote two different expressions for the are of the large square. Since each side measures c, he represented the ...
*Saturday, April 11, 2015 by Kimbo*

**Math**

Charlie says that y=2x^2 is not a function because the same y value sometimes corresponds to more than one x-value. x -2 -1 0 1 2 y 8 2 0 2 8 Is Charlie correct? EXPLAIN PLZ BC I'M LOST
*Saturday, April 11, 2015 by Kimbo*

**Math**

A wheelchair ramp to a public building forms a 15 degree angle with ground and reaches a height of 2.3 metres above the ground. A) fill in these values on the diagram to the right. B) Label the length of the ramp, X . Then find its length ( to one decimal place)
*Saturday, April 11, 2015 by Lori*

**Math**

A room measures 3 m by 5 m. A scale drawing is to be made, using a scale of 1 cm=0.5. Find the dimensions of the scale drawing and provide sketch of this room drawn to scale.
*Saturday, April 11, 2015 by Lori*

**Math**

A rectangle has dimensions 4 ft by 6 ft. Show that if the length and width are doubled, the area is 4 times as large.
*Saturday, April 11, 2015 by Lori*

**Math**

Draw and label a diagram of each figure described below and calculate its volume. A) a sphere with a radius of 2 m. B) a cone with a diameter of 8 ft and height of 10 feet.
*Saturday, April 11, 2015 by Lori*

**Math**

As of the 2012 Summer Olympics, the world record for women's long jump is 24 feet, 8 inches. How much longer is the world record than Sheila's first jump? Express your answer in yards. Sheila first jump measured 3 yards, 2 feet, 8 inches. Do I convert to inches or ...
*Saturday, April 11, 2015 by AC*

**Math**

Which of the following are equivalent to 8/27? A. 3^-3 * 2^3 B. (3/2) ^-3 C. 2^3/3^-3 D. (2^-3 * 3^3) ^-1
*Saturday, April 11, 2015 by Kimbo*

**Math**

A probe launched from Earth to Mars is traveling at an average speed of 1.8 * 10^4 kilometers per hour. If the distance between Earth and Mars is approximately 2.25 * 10^6 kilometers, about how many hours will it take the probe to reach Mars? PLEASE EXPLAIN YOUR REASONING
*Saturday, April 11, 2015 by Kimbo*

**Math**

What is the equation of the line that passes through all the points in the table? x -4 -2 0 2 y 0 -4 -8 -12 A. y= -2x-8 B. y= -2x-4 C. y= -4x-8 D. y= -4x-4 PLEASE EXPLAIN PLZZ
*Saturday, April 11, 2015 by Kimbo*

**Math**

What is the approximate volume of this sphere, which has a diameter of 12 meters?
*Saturday, April 11, 2015 by Kimbo*

**math**

howmanypintsareequivalentto3gallons
*Saturday, April 11, 2015 by shafic*

**math**

whatis3feet+7inches=
*Saturday, April 11, 2015 by shafic*

**Math**

Eli sculpted this square pyramid out of clay. Its base is 12 inches long on each side and its slant height is 9 inches. What is the approximate height, h, of Eli's pyramid? (the answer includes square root)
*Saturday, April 11, 2015 by Kimbo*

**Math**

Which rational number is equivalent to 3.90 with the .90 repeating? A. 3/90 B. 39/10 C. 35/9 D. 43/11 EXPLAIN PLZ
*Saturday, April 11, 2015 by Kimbo*

**Math**

The planet Neptune is approximately 4.5 * 10^9 kilometers from the sun. The planet Venus is approximately 1.1 * 10^8 kilometers from the sun. Which is the best estimate of how many times as far from the sun Neptune is as Venus? A. about 4 times as far B. about 40 times as far ...
*Saturday, April 11, 2015 by Kimbo*

**Math**

An ice cream store sells 30 different flavours of ice cream and it offers a choice of 3 different kinds of cones. In how many ways can we order a dozen two-scoop ice cream cones if any two of them in one order must differ at least by a flavor or by the kinds of cones? Thanks ...
*Saturday, April 11, 2015 by Excel*