Friday

September 30, 2016
Total # Posts: 100,303

**math**

g = 300 + 50 t 2050 = 300 + 50 t 50 t = 1750 t = 175/5 = 35 hours

*August 3, 2016*

**Math**

is there any easier way to answer this question?

*August 3, 2016*

**chemistry**

why is helium considered a noble gas?

*August 3, 2016*

**Calculus1**

find the derivative using fundamental theorem of calculus integral of sin^3tdt from e^x to 0

*August 3, 2016*

**Math**

I am an even composite number less than 10 and grater than 6. I am

*August 3, 2016*

**Math**

I am an even composite number less than 10 and grater than 6. I am

*August 3, 2016*

**Calculus1**

Integral of |sin(x)| from 0 to 3pi/2? Does that mean that counted only just above the x-axis? thanks!

*August 3, 2016*

**biomechanics**

in a vertical jump and reach test, a 60 kg student jumps 60 cm, while 90 kg student jumps 45 cm. Assuming both jumps took the same amount of time, which jumper was more powerful?

*August 3, 2016*

**biomechanics**

A 50 kg pole vaulter has a horizontal velocity of 8 m/s at the completion of her approach run, and her center of gravity is 1.0 m high. Estimate how high she should be able to vault if her kinetic and potential energies were all converted to potential energy.

*August 3, 2016*

**Biomechanics**

A volleyball is bumped vertically up to a height of 10 m above the player’s arms. What was the initial velocity of the ball just after leaving the player’s arms?

*August 3, 2016*

**biomechanics **

Compare the kinetic energies of the following: a) A baseball (mass=0.145kg) moving at 100 km/h. b) A runner (mass = 75 kg) moving at 30km/h. c) A swimmer (mass = 75 kg) moving at 7 km/h. d) A discus (mass = 2 kg) moving at 20 m/s.

*August 2, 2016*

**accounting**

fgdsgfddgsh

*August 2, 2016*

**Biomechanics**

Bob bench presses a 50 lb barbell. He maintains a constant speed on the way up and on the way down. If the barbell moves 75 cm in each direction how much work does Bob do on the barbell on the way up and the way down? What is the total work done?

*August 2, 2016*

**math**

Your required rate of return on company XYZ's preferred stock is 12%. Their preferred stock pays a fixed annual dividend of $4. A share of XYZ preferred is valued at

*August 2, 2016*

**physics **

A boxer is punching the heavy bag. The time of impact of the glove with the bag is 0.10 s. The mass of the glove and his hand is 3 kg. The velocity of the glove just before impact is 25 m/s. What is the average impact force exerted on the glove?

*August 2, 2016*

**Math**

Factor the following polynomials. 1. 25x³-36x

*August 2, 2016*

**maths**

15%

*August 2, 2016*

**math**

The base of a rectangular prism has dimensions (x)cm by (2x) cm and a height of (x + 2) cm. If the total surface area is 63cm squared, find the value of x and the dimensions of the rectangular prism....

*August 2, 2016*

**Algebra**

How do you a write an equation that shows this relationship a cell phone company offers a plan which includes unlimited texting for $40 per month and 250 anytime minutes per month, plus $0.20 for each minute over 250.

*August 1, 2016*

**maths**

-232

*August 1, 2016*

**maths**

4.5 Gallons of gasoline

*August 1, 2016*

**Geometry**

Can you make a rectangle with a parallelogram?

*August 1, 2016*

**math**

reduce to lowest term 9 + 7/12 + 6+ 3/4

*August 1, 2016*

**Math**

1 4/9+ 3 1/3 +4

*August 1, 2016*

**Finance, Math**

You take a short position in one European put option contract, with strike price 100 and maturity six months, on a stock that is trading at 100. The annual volatility of the stock is constant and equal to 25%. The dividend rate is zero. The annual (continuously compounded) ...

*August 1, 2016*

**Finance, Math**

You take a short position in one European put option contract, with strike price 100 and maturity six months, on a stock that is trading at 100. The annual volatility of the stock is constant and equal to 25%. The dividend rate is zero. The annual (continuously compounded) ...

*August 1, 2016*

**FINANCE**

You take a short position in one European put option contract, with strike price 100 and maturity six months, on a stock that is trading at 100 . The annual volatility of the stock is constant and equal to 25 % . The dividend rate is zero. The annual (continuously compounded) ...

*August 1, 2016*

**Need Help Please- Pre-Calc**

Y=1/5cos (-5x)

*July 31, 2016*

**math**

what is the average of 14 17 22 27

*July 31, 2016*

**Calculus**

First make a substitution and then use integration by parts to evaluate. The integral of (x)(ln(x+3))dx What do you substitute first?

*July 31, 2016*

**chemistry **

In which direction, on ceiling, floor or walls, the pressure exerted by air in a room will be maximum. Justify your answer

*July 30, 2016*

**Math**

Find the sum of first n terms and the sum of first 5 terms of the geometric series

*July 30, 2016*

**Maths**

Rajesh gets Rs 240 per month. He spends one-third of it on ice creams ,one-half on comic books and the remaining on wafers . Find the ratio of the money spent on each item

*July 30, 2016*

**WH**

Using the following passage from Jean-Jacques Rousseau's 1763 book The Social Contract to answer the following question Which quotation from the Declaration of Independence shows the influence of the idea of the social contract on the founders of the United States?

*July 29, 2016*

**Accounts**

Present value of Rs.2000 due in 6 years if money is worth compounded semi annually

*July 29, 2016*

**Physics**

sqrt (25 +16)

*July 29, 2016*

**math**

In a exam 80% students passed in accountancy, 85% paased in mathematic ,75% passed in both subject. If 45 students fail in boths subject than what is the total number of students?

*July 29, 2016*

**algebra**

The product of two consecutive integer is 5 three times the larger integer, what are the integers?

*July 28, 2016*

**algebra**

The product of two consecutive integer is 5 three times the larger integer, what are the integers?

*July 28, 2016*

**algebra**

The product of two consecutive integer is 5 three times the larger integer, what are the integers?

*July 28, 2016*

**algebra**

The product of two consecutive integer is 5 three times the larger integer, what are the integers?

*July 28, 2016*

**Health care**

it was not correct i believe its white

*July 28, 2016*

**Health care**

united states

*July 28, 2016*

**Health care**

C? I believe

*July 28, 2016*

**Health care**

Of the racial/ethnic groups, which has the highest rate of low birth weight infants? Asian or Pacific Islander Hispanic Black/ African American White

*July 28, 2016*

**General Chemistry**

what is the value of Kc if PbCl(s)=1.5g, [Pb2+]=1.6*10^-2 M and [Cl-] =3.2*10^-2 M at equilibrium? (The molar mass of PbCl(s) is 278 g/mol and its density is 5.85g/cm^3.)

*July 28, 2016*

**math**

An elevator went up 8 floors, then down 6 floors, down 5floors, up to 10 floors down 2floors and up 9 floors. If it stopped on the 15th floors. On what floors did it starts?

*July 28, 2016*

**Chemistry**

Buto pak hang lancau ..aku nk jawapan

*July 28, 2016*

**Math**

In Gulshan the ratio of private homes to apartment is 3:5. If all the apartments are brick made and 1/10 of the private homes are wooden, what is the maximum portion of houses that may

*July 28, 2016*

**Organic Chemistry**

Is helium considered a noble gas?

*July 27, 2016*

**Math**

Tobin borrowed $5000 from the bank in order to buy a new piano. He will pay it off by equal payments at the end of each week for 4 years. The annual interest rate is 3.5%. Determine the size of payments, and the total interest paid. Express your answers rounded to the nearest ...

*July 27, 2016*

**Math**

Carlos and Max are buying a house. They have $24000 for a down payment. The house price is $150000. If the interest rate is 8.85% compounded monthly, determine the size of the monthly payments they must make over the next 25 years to pay off the house. Express your answer ...

*July 27, 2016*

**Maths**

A clock gains 2 mins in a day and another clock loses 3 mins in a day. Both watch are set to the correct time . When will they both next show the correct time?(in number of days) Please show work.

*July 27, 2016*

**Science**

A branch of science concerned with the nature of matter and energy.

*July 27, 2016*

**SPANISH**

Daniel is shaving.

*July 27, 2016*

**physis**

buoyancy force = density * volume * g Net force up = buoyancy force - weight

*July 26, 2016*

**trig**

if sec theta =sqrt -20/3 state the exact value of tan theta

*July 26, 2016*

**MAth Trig**

Find the diameter of a circle with an arc length of 32 cm and a subtended angle of 72 degrees

*July 26, 2016*

**Algebra**

i did synthetic division and got to 52 and since the remainder is -4 i made a= -56 the multiple choice answers are a)48 b)56 c)48 d)-56

*July 26, 2016*

**Algebra**

i get -56 but how do i know this is right, when i plug -2 into equation i get 24

*July 26, 2016*

**Algebra**

when f(x)=2x^3−11x^3−4x+a is divided by x+2, the remainder is −4. What is the value of a

*July 26, 2016*

**math**

Points A, B, C, D, and E are coplanar and no three are collinear. In how many ways can the plane be named using only these points?

*July 26, 2016*

**Science**

How many grams of hydrogen chloride are percent in 250cm3 of comercial 37% by mass hydro chloric acid solution? The density of the acid is 1.19gram/cm3.

*July 26, 2016*

**Science**

What is the concentration off alcohol solution that was prepared by dissolving 40cm3 ethanol in 160cm3 water

*July 26, 2016*

**Maths**

Construct a parallelogram whose he=5cm each=6cm and angle r=85°

*July 26, 2016*

**Maths**

Construct a parallelogram whose he=5cm each=6cm and angle r=85°

*July 26, 2016*

**Math**

Bobby has a 95 in his math class. He had a test and got a 83 on it. What is his grade now?

*July 25, 2016*

**Normal**

Unscramble Canporveapdahograbl into 3 words

*July 25, 2016*

**trigonometry**

well, easy sin^2 (3x)+cos^2(3x)=1 that leaves on the left 1-cos^2 x + sin^2 x but 1-cos^2 x=sin^2 x so, now you are left with sin^2 x + sin^2 x which is NOT zero. The equation is false.

*July 25, 2016*

**rhyming riddles**

i run all day and never walk, i have a big mouth but i never talk

*July 25, 2016*

**rhyming riddles**

i run away every day and return every night, i am disliked by flowers and a thiefs delight

*July 25, 2016*

**Gemotery**

Polygon MNOPQ is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image M′N′O′P′Q′. The coordinates of point M are (2, 4), and the coordinates of point N are (3, 5).

*July 25, 2016*

**ststistics**

24% of college students say they use credit cards because of the rewards program. You randomly select 10 college students and ask each to name the reason he or she uses credit cards. Find the probability that the number of college students who say they use credit cards because...

*July 25, 2016*

**statistics**

2424% of college students say they use credit cards because of the rewards program. You randomly select 10 college students and ask each to name the reason he or she uses credit cards. Find the probability that the number of college students who say they use credit ...

*July 25, 2016*

**Algebra**

72/6 = 12 Therefore, when X is 13, one must multiply X by 12. 13 * 12 = 156 Z = 156

*July 24, 2016*

**$15000.in 1999**

How much should pay back now.

*July 24, 2016*

**MATHEMATICS**

23% boy

*July 24, 2016*

**physics**

SERIES: 2+3+4 OHM PARALLEL: (1/r)=1/2 + 1/3 + 1/4 R=2*3*4/(3*4+4*2+3*2)/(2*3*4) =26/24 OHMS

*July 24, 2016*

**Math**

Agnes had 4 times as many blue beads as yellow beads. For every 5 beads she used to make a necklace, she used 3 yellow beads. She completed the necklace after she had used up all the yellow beads. If she had 35 blue beads left, how many yellow beads did she have at first?

*July 24, 2016*

**physics**

a pendulum swing with a speed of 1.5 m/s at its lowedt point. How high will it rise before it stops

*July 24, 2016*

**Help me anyone - Pre-Calc**

1

*July 23, 2016*

**math**

3x+y=6/2x-y=1

*July 23, 2016*

**Physics**

the same

*July 23, 2016*

**Linear equations in 1 variable**

5x+2(3x)=77 5x+6x=77 11x=77 x=77/11 .`.[x=7]

*July 23, 2016*

**Science**

What is the kinetic energy of 0.5 kg soccer ball that is travelling at a velocity of 3m/s?

*July 22, 2016*

**math**

find the probability of choosing a queen or a diamond from a standard deck of 52 cards

*July 22, 2016*

**math**

Find the probability of choosing spade or a red card from a standard deck of 52 cards

*July 22, 2016*

**math**

Write the equation in standard form, given the following information. vertex(-2,4), directrix y=1

*July 22, 2016*

**probability**

In the state of Georgia, telephone numbers consists of 10 digits, including the area code. One of these area codes is 770. The first digit following the area code cannot be 1 or 0. Find the number of possibilities for telephone numbers in area code 770. How many different ...

*July 22, 2016*

**math**

find missing denominator of 3\7=15\? to show equivalent fraction

*July 22, 2016*

**Math**

a) Find the values of x and y so that the ordered data below has a median of 31 and a mean of 31.25. 13, 17, 25, 27, 28, x, 32, 36, 37, 40, y, 47 b) The numbers below have been written in ascending order. Find the values of a, b, c and d if the mode is 15, the median is 17, ...

*July 22, 2016*

**Math**

A girl leaves her home A at 9am, and after cycling for 25km at 5km/h she reaches her destination B at 2pm. After having lunch at B for 90 minutes, she sets off for home. On the way home she stops for half an hour to see a friend who lives at C, which is 10km from A. At 5:30pm...

*July 22, 2016*

**Physics**

Searches related to a stone is projected vertically upward with a speed of 14m/s from a tower 100m high. find the maximum height attained and the speed with which it strikes the ground

*July 22, 2016*

**Physics**

thanku you soo much

*July 21, 2016*

**Math CSET**

The answe is 99.85%. There is .15% on each side of the normal curve past three standard deviations.

*July 21, 2016*

**Arithmetic/Geometric Sequence**

2/3, 1/3, 2/9, 1/6 Create an explicit formula for this. Is it an arithmetic or geometric sequence?

*July 21, 2016*

**Math**

H-gha37

*July 21, 2016*

**Math**

At a certain store, employees may buy clothing at a 20% discount from the original price, but must pay a 6% sales tax. If the final cost of a sweater purchased by an employee is $55.12 what is the original price of the sweater, before the discount and tax? Explain please

*July 20, 2016*

**Math**

In a group of 500 students, 150 are studying physics, 220 are studying biology, and 100 are studying chemistry. At least 25 students are studying more than one of these sciences. What is the greatest possible number of these students that might NOT be studying any of these ...

*July 20, 2016*