Friday

October 21, 2016
**math**

the following table shows how long it took sara to pick tomatoes in the garden with here mother . on day 3 she picks 3 omatoes . how many minutes did it take her if she picked at the same rate as the first two days?

*Thursday, October 13, 2016 by shanti*

**Math**

This is a demonstration for my friends at school.

*Thursday, October 13, 2016 by Demonstration*

**Math (Algebra)**

Train A left the station traveling 60 miles in 1 hour. 30 minutes later, train B left the same station traveling 75 miles in 1 hour. How many hours will it take for the two trains to meet up? I know that a formula, D=V*T, might be useful while solving the equation. Thank you!

*Thursday, October 13, 2016 by Cat*

**math**

At a certain breakfast restaurant, the probability of a customer ordering coffee is 0.8. When the restaurant seats two new customers, X is the number of customers ordering coffee. What is P(X=0)? Enter your answer, as a decimal, in the box. P(X=0) how can i solve this ?

*Thursday, October 13, 2016 by math help please ?*

**math**

if the area of the square inscribed in a semicircle is 2cm^2,find the area of the square inscribed in a full circle

*Thursday, October 13, 2016 by flora*

**math**

what could be the possible missing side lenth of these triagles 8cm 9cm

*Thursday, October 13, 2016 by gaurav*

**Math**

Find the volume of a cone with a radius of 4yd and a height of 10yd.round to the nearest tenth.

*Thursday, October 13, 2016 by Gloria *

**Math**

Which proportion could be ised to find the number of inches in 8 feet?

*Thursday, October 13, 2016 by Shanti*

**Math**

n2-15n+100

*Thursday, October 13, 2016 by Rahul*

**Math**

Some college roommates want to make pancakes for their neighbors. They need 55 cups of flour, but have only a one third 1 3-cup measuring cup. How many times will they need to fill their measuring cup?

*Thursday, October 13, 2016 by Lila*

**Math**

Y-2x=4 solve for x and y with graph

*Thursday, October 13, 2016 by Raquel*

**Math- Please check my answer!**

Is the fraction 6/8 greater than or less than or equal to 8/10? My answer: 6/8=8/10 Please tell me if i'm correct or not!!! Thank you in advance!

*Thursday, October 13, 2016 by Myah*

**Math**

Your crew can pave two driveways in a day. You work five days per week but take off 2 weeks each year for holidays and vacations.

*Thursday, October 13, 2016 by Teddy*

**math**

find the Lsa Tea and volume of come at a circle at your own arc

*Thursday, October 13, 2016 by harasha*

**Math**

What is the value of x and y in the equation 7y= 2x+28.

*Thursday, October 13, 2016 by Raquel*

**math**

sketch the conic r=2/1+cos theta

*Thursday, October 13, 2016 by xiao*

**Math**

A rectangle is 40 meters longer than its width if its length were increased by 10 meters and its width would be decreased by 5 meters its area would be increased by 190 square meters. Find the dimensions

*Thursday, October 13, 2016 by Jeska*

**math**

The equations x+ ky + 2z =0 x + (2k-1)y + 3z =0 x + ky + (k+3)z = 2k-1 Find the values of k such that a) the system has a unique solution b) the system has no solutions c) the system has infinitely many solutions THANKS

*Thursday, October 13, 2016 by hin*

**Math**

Express 0.54 as a rational number.

*Thursday, October 13, 2016 by Rahul*

**math**

divide 340 mangoes in 4 parts a,b,c,d in the raatio 5:1:2:1

*Thursday, October 13, 2016 by someone*

**Basic math **

A ladder 10 feet long leans against a building the base of the ladder is 6 feet how high is the paint where the ladder touches the building

*Thursday, October 13, 2016 by James *

**Basic math **

A 15 foot ladder propped against a wall the base of the ladder is 3 feet from the wall how far up the wall does the ladder reach.

*Thursday, October 13, 2016 by James *

**Math**

Find the unit rate of a car traveling 500 miles in 5 hours

*Thursday, October 13, 2016 by Anonymous*

**Math**

If the spinner is spun twice, what is the probability that it will stop on an odd number both times?

*Wednesday, October 12, 2016 by Michaela*

**Math**

A teacher has 27 students in her class.she asks the students to form as many groups of 4 as possible.how many students will not be in a group

*Wednesday, October 12, 2016 by Bill*

**Math**

HallIe reads 6 pages from her book in 8 minutes. If she continues reading at the same rate and the amount of time changes by a factor of 5/2, how many pages wi Hallie answer of 15, can you tell us how to work out this problem. Thanks 480/1 5/2= 2400/2

*Wednesday, October 12, 2016 by Norma *

**Math**

Find two algebraic expressions for the area of each figure. First, regard the figure as one large rectangle, and then regard the figure the figure as a sum of four smaller rectangles t,5,t,3

*Wednesday, October 12, 2016 by David*

**math 1**

file:///C:/Users/Elvis/Downloads/34c349524b928a5f67768aa8eb6e1c02.png

*Wednesday, October 12, 2016 by James*

**math**

Find the values of x and y in the two equations below then answer the question that follows. 2^-3=1/x 7^y=1/49 What is the value of xy ? For the first problem i got 8. For the second one i got 1/343 I don't know what im doing wrong or right. Can you please show me with work.

*Wednesday, October 12, 2016 by James*

**7th Math**

If there are 16 dark blue triangles,then how much fabric was used if each leg is 10 cm and the hypotenuse is 14.2 cm long? 10+10=14.2?

*Wednesday, October 12, 2016 by JJ*

**Math**

What is meant by saying that two events are "independent"?

*Wednesday, October 12, 2016 by OPI*

**Quick math help**

Find the tenth term of the sequence: -6,1,8... Is it 57? For the sequence:2,4,8,16 the value of s4 is____. Is it 8? Find the 7th term of the sequence: 1,2,4,... Is it 64? Which term of this sequence is 275? 5,10,15,... Is it 1357? Find the 7thterm of an. Arithmetic sequence ...

*Wednesday, October 12, 2016 by Anonymous*

**Quick math help**

Homework Help: Quick Math Help Posted by Anonymous on Tuesday, October 11, 2016 at 4:06pm. 1. let an=4n find the sum of the first 5 terms. How would you do this? 2. a1=3; an+1=3an+18. Find a6 How would you do this? 3. You start you 30 year career at a salary of $50,000 and ...

*Wednesday, October 12, 2016 by Anonymous*

**math**

There are4 boys and 6 girls in th drama club.The roboticsclub has an equivalent fraction of boys as members.If there are 30 members in robotics club , what fractiin are boys? Explain using multiplication.Draw a model to help you.

*Wednesday, October 12, 2016 by sree*

**math**

Three less than the product of two and a number x. what will the equation be

*Wednesday, October 12, 2016 by Aubrey T.*

**8th Grade Math**

The value of y varies directly with x. When y = -12 1/2, x = 50. What is the value of y when x is 11 3/4, rounded to the nearest hundredths? Can someone please show me how to solve this problem?

*Wednesday, October 12, 2016 by Stephon*

**Math**

The carrying compartment on peggy moving van measures 6 feet high by 6 feet wide by 10 feet long. How many boxes each 1 cubic foot in volume can be packed into this cargo place?

*Wednesday, October 12, 2016 by Yailin*

**math**

a card game goes like this: you draw a card from a 52 card deck. If it is a face card jack queen or king you win 5 dollars; otherwise, you lose 2 dollars. What is your expected value for this game? e(x)= (5)1/52-(2)1/52= 3/52 or 3.00

*Wednesday, October 12, 2016 by suzanne*

**math**

Teacher: 15 seconds after the buzzer, the teacher has 135 meters to finish. 32 seconds after he left the starting line, the teacher has run 50 meters left. Usian Bolt: 22 seconds after the buzzer, Usain has 189 meters to finish.36 seconds after the buzzer, he has 42 meters to ...

*Wednesday, October 12, 2016 by aniya *

**Math**

How much Selena earns each day if she works 3hours,5hours,or 8hours

*Wednesday, October 12, 2016 by Earianna*

**Math**

what is 10% of 30

*Wednesday, October 12, 2016 by Jenny*

**Math **

There are about 3.8 L in 1 gallon about how many gallon equal 570 L

*Wednesday, October 12, 2016 by Jenny*

**Math**

What 5 digits are in the ones place of even numbers?

*Wednesday, October 12, 2016 by Jim*

**math**

calvin has 90 stamps. for every mexican stamp, calvin has 8 U.S. stamps. How many mexican stamps does Calvin have?

*Wednesday, October 12, 2016 by ron*

**math**

if a team has played 7 games but only won 1, what is there chance of winning the last 4 games

*Wednesday, October 12, 2016 by debra*

**math **

two airplanes depart simultaneously from an airport.One flies due south, the other flies due east at a rate 20 mi/h faster than that of the other airplane. After one hour , radar indicates that the airplanes are approximately 450 mi apart. What is the ground speed of each ...

*Wednesday, October 12, 2016 by masha*

**Math**

A rectangle is 2.8 meters wide and 3.5 meters long. What is the area?

*Wednesday, October 12, 2016 by Katelyn*

**Math**

Please help me I don't understand what to do for this, as I haven't learned what to do if I need to find the average of something in Scientific Notation. I tried doing it using division, but I got 0.62 x 10^2, which isn't one of the choices. Could someone please ...

*Wednesday, October 12, 2016 by Ruby*

**Math**

1. What is the decimal equivalent to 72/100? a) 7.2 b) 0.72 c) 0.072 d) 0.0072 2. Express 0.72 as a fraction in simplest form. a) 72/100 b) 100/72 c) 36/50 d) 18/25 My Answers: 1. is A 2. is A or D

*Wednesday, October 12, 2016 by CutiePie*

**math**

The distance between towns M and N is 280 km. A car and a lorry travel from M to N. The average speed of the lorry is 20 km/h less than that of the car. The lorry takes 1 h 10 min more than the car to travel from M and N. (a) If the speed of the lorry is x km/h, ...

*Wednesday, October 12, 2016 by niyant*

**Math **

0.075 as a fraction. 7 and 5 are recuring decimals.

*Wednesday, October 12, 2016 by Joe B*

**math**

Two big bells in a haĺl starts to ring together at 5:00 hours one rings every 15 sec and other every 12 sec how often will they ring together

*Wednesday, October 12, 2016 by areeba*

**Math **

5 3/8 c = _ fl oz 43 fl oz 43/64 fl oz 86 fl oz 29 fl oz 65 in. = _ ft. 6 5/12 ft. 12 ft. 5 5/12 ft. 780 ft. I confused with these, so if you could help that would be great!!

*Wednesday, October 12, 2016 by Kira*

**Math Ms. Sue**

Use prime factorization to find the LCM of 30 and 40. A. 90 B. 120 C. 150 D. 200 Please Help!!!

*Wednesday, October 12, 2016 by Alanna*

**Math**

Please check my answers! Proportion worksheet! 1. 17/2 = x/5 17/2 = 42.5/5 2. 22/30 = 100/x 22/30 = 100/136.36 3. 2/1 = 12/x 2/1 = 12/2 4. 400/1 = 1000/x 400/1 = 1000/2.5 5. 125/2.5 = x/6 125/2.5 = 300/6

*Wednesday, October 12, 2016 by Queenofheaven*

**Math Check Answers**

1.) 1 7/8 + 1/9 0 1 *** 2 2 1/2 2.) 8 8/9 - 5 1/11 4 ** 5 14 11 3.) 7 2/3 x 3 7/9 2 3/27 11 4/9 ** 28 26/27 21 14/27 4.) Walter had 2/4 yard of string. He used 1/2 of the string for a school project. How many yards of string did he use fir his project? 5/24 1 0 1/4 ** 5.) Mali...

*Wednesday, October 12, 2016 by Callie*

**Math**

Working off an 21% margin, with markups based on cost, the Food Co-op Club boasts that they have 5,800 members and a 240% increase in sales. The markup is 48% based on cost. What would be their percent markup if selling price were the base? (Round your answer to the nearest ...

*Wednesday, October 12, 2016 by Seasonne*

**Math/Compound Interest**

Manoj deposited a sum of rs64000 in a post office for 3 years compounded annually 9%/ annum.what amount will he get on maturity?

*Wednesday, October 12, 2016 by muskan*

**Math. please help**

-1/2 + 1/3 = Adding and subtracting fractions with rational numbers.

*Wednesday, October 12, 2016 by anon *

**Composite functions math**

p(x)=3-2x g(x) = 3(x^2)-7 q(x)=(2-x)/(2x+3) p q g(x) = ?

*Wednesday, October 12, 2016 by Confused by Math*

**math**

In \bigtriangleup ABC△ABC AB and BC are congruent. If the perimeter of \bigtriangleup ABC△ABC is 82 centimeters. How many centimeters long is AC? AC = 2x BC = 4x - 9 I don't understand it at all. Explain it to me please

*Wednesday, October 12, 2016 by IDontKnow*

**math**

Twice the difference of a number and 4 is less than or equal to 17 .

*Wednesday, October 12, 2016 by josh*

**Math for Reiny **

your derivative is correct. now just plug in x = π/2 to get the slope remember that tan(π/2) is undefined, BUT cot (π/2) = cos(π/2) / sin(π/2) = 0/1 = 0 so slope = -csc^2 (π/2) = 2 I calculated and got -1 as the slope. Can you please explain how ...

*Wednesday, October 12, 2016 by Dave*

**Math**

Find the inverse of: y = ((-1) / (x+5)) - 1

*Wednesday, October 12, 2016 by Dave*

**Math**

Nyla has a collection of 80 stamps her friend has five times as many stamps how many stamps does her friend have?

*Wednesday, October 12, 2016 by Khansa*

**Math**

Please lead me in the right direction. I am so confused and I have been working on this one problem for an hour. I have the answer, but I want to know how to get to it. The answer is (1,1,0) Solve the system by elimination. -2x+2y+3z=0; -2x-y+z=-3; 2x+3y+3z=5

*Wednesday, October 12, 2016 by Olivia N J*

**math**

A bag contains 8 green marbles,5 blue marbles, and 4 white marbles,If one marble is drawn from the bag, what is the probability of drawing a white marble and a green marble (on the same draw)

*Wednesday, October 12, 2016 by zzz*

**math**

the total number of students in a school is 1650.70% of the pupils are boys.how many girls are there in the school?

*Wednesday, October 12, 2016 by muneeb *

**Math 201**

The pricd of a home in CA was $100,000 in 1985 and rose $160,000 in 1997. a. create two models, f(t) assuming linear growth and g(t) assuming exponential growth, where t is the number of years after 1985. *round coefficient to three decimal places when necessary. f(t)=_______ ...

*Wednesday, October 12, 2016 by Jonas*

**Math**

how much candy that is worth $5 per pound must be mixed with 60 lb that is worth 4$ per pound to get a special Christmas mixture to sell for $4.40 per pound?

*Wednesday, October 12, 2016 by Jim*

**math**

Myrza has three children a.If his oldest child is a girl, what is the probability that all the children are girls ? b.Given at least one of them is a boy, what is the probability of all of them are boys ?

*Wednesday, October 12, 2016 by saif *

**Math College 115**

t. Q (t) 0. 900 1. 802 2. 714 3. 636 4. 567 5. 505 6. 450 7. 401 8. 357 9. 318 10. 283 11. 253 12. 225 Construct an exponential decay functiom Q(t), where t is measured in minutes. Q (t)=__?____ x (1/2)^ (_?_)

*Wednesday, October 12, 2016 by Margarita Diaz*

**math**

A circle is inscribed in triangle ABC with sides a, b, c. Tangents to the circle parallel to the sides of the triangle are constructed. Each of these tangents cuts off a triangle from ∆ABC. In each of these triangles, a circle is inscribed. Find the sum of the areas of ...

*Wednesday, October 12, 2016 by DAS*

**Math **

You did not help my question

*Wednesday, October 12, 2016 by Vijay*

**Math for Reiny**

your derivative is correct. now just plug in x = π/2 to get the slope remember that tan(π/2) is undefined, BUT cot (π/2) = cos(π/2) / sin(π/2) = 0/1 = 0 so slope = -csc^2 (π/2) = 2 I calculated and got -1 as the slope. Can you please explain how ...

*Wednesday, October 12, 2016 by Dave*

**Math**

You are skier A, the first skier in a skiing event with three other skiers. Compared to your time, skier B is slower, by a time of +00:28. Skier C has a time of +2:13, and skier D has a time of -01:24. 1. Who is the fastest skier? 2. Since all times are compared to yours, what...

*Wednesday, October 12, 2016 by Sharon*

**Math **

A sailboat traveled 30 miles in 2.5 hours at the same speed, how far can the boat sail in in another 4.5 hours?

*Tuesday, October 11, 2016 by Jeremiah*

**Math**

Find an equation for the tangent line to the curve at (π/2 , 2). y = 4 + cot(x) - 2csc(x) I am confused how to take the derivative of this problem. When I tried to solve it I ended up with -csc^2 (x) + (2csc(x) * cot(x)). From there I can't seem to simplify it. Also, ...

*Tuesday, October 11, 2016 by Dave*

**Math**

Where would I put parentheses to make this true? 7-3x4+6=27

*Tuesday, October 11, 2016 by John*

**Math**

Students put 2 1/4 pounds of trail mix into bags that each weigh 3/8 pound. They bring 2/3 of the bags on a hiking trip how many bags are left over?

*Tuesday, October 11, 2016 by Toy*

**Math**

A truck can be rented from Company A for $150 a day plus $0.50 per mile. Company B charges $70 a day plus $0.90 per mile to rent the same truck. Find the number of miles in a day at which the rental costs for Company A and Company B are the same

*Tuesday, October 11, 2016 by M*

**Math**

William answered 27 out of the 36 questions on his science test. What precent of the test did William answer?

*Tuesday, October 11, 2016 by Haley*

**Math**

my divisor is 10. greatnessthan4 times 5 . I am greater than 4 times 5 my remainder is 1 . what dividend am I.

*Tuesday, October 11, 2016 by Bob*

**Math**

I am a 3 digit number.when you count by 5's you say this number.I am less than 200,but more than 150.the sum of my digits Is 13?

*Tuesday, October 11, 2016 by Mikaylee*

**Math**

1. Which of the following numbers is a rational? A. 4/5 B. square root of 27 C. 4.02002000200002... **** D. Square root of 31 2. Which type of number is shown below? 0.313311333111... A. repeating decimal B. rational C. irrational **** D. terminating decimal 3. Select all the ...

*Tuesday, October 11, 2016 by Zayn*

**math**

Can you show me how to write this equation: The greater of two consecutive even integers is six less than twice the smaller.

*Tuesday, October 11, 2016 by kelley*

**math**

1. Which of the following numbers is a rational? A. 4/5 **** B. square root of 27 C. 4.02002000200002... D. Square root of 31 2. Which type of number is shown below? 0.313311333111... A. repeating decimal B. rational C. irrational*** D. terminating decimal 3. Select all the ...

*Tuesday, October 11, 2016 by Caleb*

**Math**

A box contains 3 red marbles, 6 blue, and 1 white. The marbles are selected at random, one at a time, and are not replaced. Find the probability. 10. P (red and white and blue).

*Tuesday, October 11, 2016 by R.*

**6 grade math**

Each side of the cube measures 2 cm,and the mass of the cube is 32g.what is the density of the cube?

*Tuesday, October 11, 2016 by arlee*

**Math/Chemistry**

Your friend eats 50.0g tuna steak. You find out that the tuna is 0.001% (by mass) mercury. The lethal dose of mercury is 5.5x10^-3 mg of mercury. Should you take your friend to the hospital?

*Tuesday, October 11, 2016 by Ray*

**Math**

How do i explain what 40 hundred thousands is?

*Tuesday, October 11, 2016 by Tommy*

**Math**

Demetria is tiling a square area of her bathroom floor. For every 13 white tiles used, she wants to use 12 gray tiles. Draw a grid , 5 squares by 5 squares, then shade the tiles to show a pattern that would match the ratio of white tiles to gray tiles that Demetria would like ...

*Tuesday, October 11, 2016 by Erik*

**Math**

Use compatible numbers to find two estimates 1322÷18

*Tuesday, October 11, 2016 by Aleah*

**Math**

1. Which of the following numbers is a rational? A. 4/5 B. square root of 27 C. 4.02002000200002... **** D. Square root of 31 2. Which type of number is shown below? 0.313311333111... A. repeating decimal B. rational C. irrational **** D. terminating decimal 3. Select all the ...

*Tuesday, October 11, 2016 by Anymous*

**math**

36 degrees above 0 on the Celsius scale is what average integer temperature

*Tuesday, October 11, 2016 by lexey*

**Math**

How many factors do the number 8 and 9 have in common? I got, 8:1,2,4,8 9:1,3,9 My answer: 1 Can you please check my answer to see if I got it correct?

*Tuesday, October 11, 2016 by Erik*

**math**

The number,n (in hundreds), of mosquitoes in a camping area after t weeks can be modelled by the equation n(t)=2t^4-5t^3-16t^2+45t According to this model, when will the population of mosquitoes be greater than 1800?

*Tuesday, October 11, 2016 by Anonymous*

**Math**

Briana ran 6 miles in 180 minutes how many miles per minute did she run

*Tuesday, October 11, 2016 by Anonymous*

**Math**

A zoo wishes to construct an aquarium in the shape of a rectangular prism such that the length is twice the width and 5m greater than the height. If the aquarium must have a volume strictly between 1125m^3 and 3000m^3, determine the restrictions on the length of the aquarium.

*Tuesday, October 11, 2016 by Anonymous*

**math**

Anna bought a strip of fabric 10 yd long. She needs a 1 and 1/3 yd piece to make a pillow. How many pillows can Anna make? 10/1 * 3/4 = 7.5

*Tuesday, October 11, 2016 by katie*