Sunday

October 23, 2016
**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*

**Math 7/8**

Hi, could someone tell me how to write the equation for a proportional relationship? I'm not trying to cheat/not do the work myself, but I don't know how to write this problem as a proportional equation: There are 3.9 milligrams of calcium in each ounce of cooked ...

*Tuesday, October 11, 2016 by Jae*

**Math**

Arrange these numbers from least to greatest 2,0.2,-2,0,0.02

*Tuesday, October 11, 2016 by Gaelan *

**Math**

1. A builder is designing a rectangular patio that has a length of 12 units. Find the total number of square units the patio will cover if the width is 4, 5, 6, or seven units. 12tims4 12tims5 12tims6 12tims7

*Tuesday, October 11, 2016 by Rasha*

**math**

Before 1986, a gold bullion in the Federal Reserve Bank was rectangular and had a volume of approximately 727.7 cm3. The density of gold is 19.3 g/cm3. A pound is approximately 454 g. Find the weight of one gold bullion to the nearest tenth of a pound

*Tuesday, October 11, 2016 by Mary*

**Math**

Terry earned 4.2 times as much per hour as Roy Terry's salary is what percent of Roy's

*Tuesday, October 11, 2016 by Jenny*

**Math**

In each bouquet of flowers there are 4 roses and 6 white carnations. Complete the table to find how many roses and carnations there are in 4 bouquets of flowers.

*Tuesday, October 11, 2016 by Harley*

**Math**

A pitcher contains2/3 quarter of lemonade.If an amount of lemonade is poured into each 6 glasses, how much lemonade will each glass contain?

*Tuesday, October 11, 2016 by Gmyia*

**Math**

Convert 121 L/min to militants per second ml/s

*Tuesday, October 11, 2016 by Jenny*

**Math**

I am thinking of a number. If you multiply my number by 6 and then subtract 35, you will get my number. What is my number?

*Tuesday, October 11, 2016 by Zacky*

**Math**

What is 1/5,0.251,and 25% on a number line in ascending order?

*Tuesday, October 11, 2016 by Gigi*

**math**

A television transmitter tower is 600 feet high. If the angle between the guy wire (attached at the top) and the tower is 57.8°, how long is the guy wire?

*Tuesday, October 11, 2016 by bbb*

**math**

you want to paint the walls of your bedroom. Two walls measure 19 ft by 9 ft, and the other two walls measure 14 ft by 9 ft. The paint you wish to purchase costs $17 per gallon, and each gallon will cover 400 ft2 of wall. Find the total amount you will spend on paint.

*Tuesday, October 11, 2016 by 111*

**Math**

Evaluate a Quadratic Function Given an Output Here you will find the input for a quadratic function when the output is given. Check Your Understanding 1. A ball is drop from the top of a building. The height, h, of the ball above ground after t seconds can be calculated using ...

*Tuesday, October 11, 2016 by IDontKnow*

**science/math**

how many mL is equal to 0.155 Molar HCL?

*Tuesday, October 11, 2016 by bobby fredrick*

**Math**

Convert 8 L/min to milliliter per second (mL/s) and the answer at ? 133.3 mL/s 1.333 mL/s 13.3 mL/s 0.5 mL/s

*Tuesday, October 11, 2016 by Jenny*

**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 ...

*Tuesday, October 11, 2016 by Anonymous*

**Quick Math Help**

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 receive yearly raises of $1,000. How much money will you have earned, in total, over the 30 ...

*Tuesday, October 11, 2016 by Anonymous*

**Math**

How do you estimate 54.23-2.39??? Work: 2+6=7,000

*Tuesday, October 11, 2016 by Kenzie*

**Math**

which of these numbers is not rational? A.√3 B.0.25 c.1/5* d.√9 *= My answer

*Tuesday, October 11, 2016 by mariana*

**Math HELP!**

Use benchmarks to estimate the sum, difference, or product. 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 ...

*Tuesday, October 11, 2016 by Jackson*

**math**

A ball is thrown vertically into the air so that its height s after t seconds is given by the equation, s=-1/27(t^2)+4√t. Find its maximum height.

*Tuesday, October 11, 2016 by Anonymous*

**Math**

step by step solution of A motorist drives 80km at an average speed of 63km/h.which average is this:mean,median or mode?

*Tuesday, October 11, 2016 by Mystic*

**Math!!**

1. Which two square roots are used to estimate square root 8? A. 2 and 3 B. 3 and 4 C. 4 and 9 D. 9 and 16 2. Which two square roots are used to estimate square root 42? A. 25 and 36 B. 36 and 49 C. 49 and 64 D. 25 and 64 My answers: 1. B 2. B. Am I right?

*Tuesday, October 11, 2016 by Help*

**math**

Choose the symbol that completes the statement. 3/4_-5/6 a.< b.> c.= -1 3/4_3/4 a.< b.> c.= 2 3/4_2 4/6 a.< b.> c.= please help me can you give me the answers plz

*Tuesday, October 11, 2016 by emily*

**math**

a countrys population in 1991 was 114 million in 1997 it was 120 million. estimate the population in 2014 using the exponential growth formula.

*Tuesday, October 11, 2016 by abigail vazquez*

**Math**

The ratio of girls to boys is 3 to 5. If there are 20 more girls than boys, how many total students are there? How do I start this? Thanks

*Tuesday, October 11, 2016 by Von*

**math**

Which expression shows 27 + 36 as the product of their greatest common factor and the sum of two whole numbers with no common factor? 7(4+5)7(4+5) 9(4+5)9(4+5) 9(3+4)9(3+4) 7(3+6)7(3+6)

*Tuesday, October 11, 2016 by luke*

**math**

the gas tank in jocko's car hold 12 gallons when it's full. the car gets 18 mi/ gal. How far can he travel on two full tanks

*Tuesday, October 11, 2016 by Ed*

**math**

When full a jug hold 1 1/3 litres. How many times can the jug be completely filled from a 15 litre container?

*Tuesday, October 11, 2016 by jxkclkjzxljcld*

**Math**

The ratio of boys to girls is 3 to 7. If there are 20 more girls than boys, how many boys are there?

*Tuesday, October 11, 2016 by Von*

**math**

John saved £600. He spent 1/3 of his money on a bike and 2/5 of this money on clothes. What fraction of this money has he got left?

*Tuesday, October 11, 2016 by jxkclkjzxljcld*

**math**

-7/9 * 3/5

*Tuesday, October 11, 2016 by carlosreed*

**math**

Jake filled his 50 gallon bathtub in 5 minutes. How fast was the water flowing?

*Tuesday, October 11, 2016 by Jessica*

**Math **

Find the quotientshapes to the nearest hundreth. 5.8 divided by 30.8 Is this correct so I round 5.8 to 6 and 30.8 to 31 ?

*Tuesday, October 11, 2016 by Angel*

**6 grade math **

Find the area of the figure at right in at least two different ways. Explain how you get your answer with diagrams and remember to label them with the correct units. So the image is a 10cm by 15cm and smaller box attach to the side. Like an London shape . I think I should just...

*Tuesday, October 11, 2016 by Angel*

**Math**

If the edge of a cube is increase by 30% by how much is the surace area increased?

*Tuesday, October 11, 2016 by Kimjoe*

**Math**

A farmer bought 16 meters of fencing. He wants to build a rectangular area for his baby chicks. How could the farmer build a fenced in area using all of the fencing, but creating the largest area for his chicks? Using graph paper, cut out, glue and label all the possible ...

*Tuesday, October 11, 2016 by Madison *

**Math (Limits)**

Consider the following function. f(x) = 2x^2 − 8x Find the limit. lim (Δx->0) (f(x+Δx)-f(x))/(Δx) How would I set up the equation to work with that function? I know how to plug in the values usually, but how would I do this for that function ...

*Tuesday, October 11, 2016 by Ray*

**Math**

Solve. Movie tickets cost $9.50. How much change will a customer who pays for one ticket with a $20.00 bill received?

*Tuesday, October 11, 2016 by Emilia*

**math**

the lenght of hand minute hand of a clock is 4.2 what is the distance the trip of minute hand covers during 60 minutes

*Monday, October 10, 2016 by niya*

**Math**

how the measurements of the lengths of a, b and c on a builder's square can be used by the builder to determine whether the angle between adjacent walls would be equal to, greater than or less than a right angle.

*Monday, October 10, 2016 by Shehab*

**MATH**

solving rational equations solve check your answer 5/3x+1=2

*Monday, October 10, 2016 by Steve*

**Math**

5,4,26,9 _+_*_-()2=37

*Monday, October 10, 2016 by Dominique*

**Math**

If there are 9 people and 6 sandwhiches. How much does each one get?

*Monday, October 10, 2016 by Latoria*

**Math**

5/3xt1=2

*Monday, October 10, 2016 by Steve*

**Math**

2/n=15/n2-1

*Monday, October 10, 2016 by John Dosley*

**math**

A runner completed the one hundred meter dash in 9.7 seconds. How far dose the runner travel in one second? Round your answer to the nearest tenth of a meter

*Monday, October 10, 2016 by austin*

**math**

The measures of the three angles of a triangle are given. Find the value of x and state whether the triangle is acute, obtuse, or right. x + 10, x − 20, x + 25 I got x is 55 and it is an acute angle. Is that correct?

*Monday, October 10, 2016 by Danny*

**math**

trey can clean a room in 40 minutes. his brother Marcus can clean the same room in 20 minutes. how long will it take them to clean the room if they work together?

*Monday, October 10, 2016 by jj*

**Math **

Finding the common denominator x+2/x^2-49 + 3/x+7

*Monday, October 10, 2016 by Aria*

**math**

Find the measure of the third angle of a triangle given the measure of two angles are 86º and xº. A. 86-x B. 90-x C. 94-x D. 180-x My answer was A. Please correct me if I am wrong. Thank you

*Monday, October 10, 2016 by Kaashif*

**math**

Cabrina and Dabney are at a conference in Seattle. Cabrina drives home to Boise at an average speed of 65 mph and Dabney drives home to Portland at 50 mph. If the sum of their driving times is 11.4 hours and if the sum of the distances driven is 690 miles, determine the time ...

*Monday, October 10, 2016 by Anonymous*

**Quick math help **

Find the sum of the first 10 positive integers Is it 110? Which term of the arithmetic sequence is 25? -2,1,4,... Is it 70? Which term of the arithmetic sequence is177? 2,9,16,... Is it 1234? Find the sum of the first 8 positive odd integers. Is it 64?

*Monday, October 10, 2016 by Anonymous*

**math**

Using the illustration, find the measure of each acute angle for the right triangle. a = 26.0 m, b = 65.2 m

*Monday, October 10, 2016 by cr8*