Saturday

January 31, 2015

January 31, 2015

Total # Posts: 76,971

**Algebra B**

What is the coefficient of x in the division (18x3 + 12x2 – 3x) ÷ 6x2 ? 3 2 –0.5 –3 I am helping my granddaughter and I need help to explain...
*November 29, 2014*

**English**

What is this?
*November 29, 2014*

**geometry**

which propery of a rigid transformation is exclusive to a ratio?
*November 29, 2014*

**physics**

44 foot skid from a jeep cherokee, how fast was it traveling.
*November 29, 2014*

**Additional maths**

Solve the equation 8x^3 -2x*2 -5x-1=0 Hence find the values of Theta< between 0 and 18 which satisfy the equation 8 tan^2 theta-2 tan theta -5=cot theta
*November 29, 2014*

**maths**

an observer 1.5meters tall is 20.5 metres away from a tower 22 metres high. determine the angle of elevation of the top of the tower from the eye of the observer
*November 29, 2014*

**math**

an observer 1.5meters tall is 20.5 metres away from a tower 22 metres high. determine the angle of elevation of the top of the tower from the eye of the observer
*November 29, 2014*

**Math**

Simplify 25a³b - 10a²b³ + 19b² -10a³b + 30a²b³ - 29b² and factor. I got 5b( 3a^3 - 2b + 4a^2b) But how do I find the GFC?
*November 28, 2014*

**math**

1289530
*November 28, 2014*

**Math**

A cube has a volume of 50 653 cubic metres. What is the surface area of the cube?
*November 28, 2014*

**English**

How do you write reflection and response outline?
*November 28, 2014*

**English**

A for the second choice
*November 28, 2014*

**English**

You___determined to write an A paper for your English class,___ you? a. were, weren't b.was, wasn't c. am ,aren't d. is , isn't I am think A My bus driver __to make up for the time he while__a flat tire. A.hurried,fixed b.hurry,fix c.hurried,fixing d.hurried,...
*November 28, 2014*

**English**

yes c is the rghit answer
*November 28, 2014*

**physics**

A hot air balloon is traveling vertically upward at a constant speed of 2.7 m/s. When it is 11 m above the ground, a package is released from the balloon. After it is released, for how long is the package in the air? The acceleration of gravity is 9.8 m/s 2 . Answer in units ...
*November 27, 2014*

**Math**

The two equal sides of an isosceles triangle are each 24 centimeters. If each of the two equal angles measures 60, find the length of the base and the altitude. (leave your answer in radical form).
*November 27, 2014*

**Pre-Calc.**

The two equal sides of an isosceles triangle are each 24 centimeters. If each of the two equal angles measures 60, find the length of the base and the altitude. (leave your answer in radical form).
*November 27, 2014*

**algebra 2**

16x^2=56x
*November 27, 2014*

**Maths**

How many integer solutions of x1 + x2 + … x6 = 20 satisfies 1 ≤ xi ≤ 9? (use inclusion exclusion principle)
*November 27, 2014*

**Chemistry**

compose the micelle 2 agno3 + bacl2 - 2Agcl + ba (no3) 2
*November 27, 2014*

**PHI208**

The rise in a laregly texhnical approach to healing
*November 26, 2014*

**math**

They are the same.
*November 26, 2014*

**MATHEMATICS**

IN A GP THE 5TH AND THE 8TH IS 24 AND 72 FIND THE 6TH
*November 26, 2014*

**Chem**

if a person inhales 0.1 mol air per breath, and the pressure is 92kpa and body temp is 37 degrees celcius what is the maximum volume of air this person can inhale
*November 26, 2014*

**math**

Scenario 1) You and your friend enjoy riding your bicycles. Today is a beautiful sunny day, so the two of you are taking a long ride out in the country side. Leaving your home in Sunshine, you ride 6 miles due west to the town of Happyville, where you turn south and ride 8 ...
*November 26, 2014*

**Math--1 question**

Find the mean, median, mode, and range of the data: 32, 34, 30, 35, 33, 31, 54. If necessary, round to the nearest tenth. Show your work.
*November 26, 2014*

**MATHEMATICS**

IN A GP THE 5TH AND 8TH IS 24 AND 72 FIND THE 6TH
*November 26, 2014*

**adult education**

criticism of the information processing approach is that it.. a. doesn't form a comprehensive theory b. lacks scientific research c. focuses on creativity and imagination, while ignoring other mental processes. d. views children a blank slates
*November 26, 2014*

**MATHEMATICS**

IN A GP THE 5TH AND 8TH IS 24 AND 72 FIND THE 6TERM
*November 26, 2014*

**environmental Science**

the entire area of land that a river drains is called
*November 26, 2014*

**Environmental Science**

what did Thomas Malthus believe
*November 26, 2014*

**MATHAMATICS**

5 .55
*November 26, 2014*

**MATHAMATICS**

IN A GP THE 5TH AND 8TH IS 24 AND 72 FIND THE 6TERM
*November 26, 2014*

**Calculus**

i plugged in 11/3 x^3 -1/4 but the answer wasnt correct
*November 26, 2014*

**Calculus**

solve the differential equation dy / dx = 11x^2y^2 with the condition that y(0) = 4 The solution to the equation is y =
*November 26, 2014*

**analytic**

One line passes through the points (1,9) and (2,6), and another line passes through (3,3) and (-1,5). Determine the acute angle between the two lines.
*November 26, 2014*

**analytic**

One line passes through the points (1,9) and (2,6), and another line passes through (3,3) and (-1,5). Determine the acute angle between the two lines.
*November 26, 2014*

**physics **

a projectile is fired from the vertical tube mounted on the vehicle which is travelling at the constant speed of 30kph. the projectile leaves the tube with a velocity of 20m/s relative to the tube.neglecting air resistance.
*November 26, 2014*

**chemistry----please help**

calculate the molar hydroxide ion concentration of each of the following solutions given the pH 4.53. Answer should be for OH-. Please show me how to do this in step by step I tried putting in 10 xy-4.53= 0.000029512 which is 3.0 * 10^-5 It says that the answer is wrong.
*November 25, 2014*

**Chemistry**

OH=9.47 -log= 0.976349979 is this correct
*November 25, 2014*

**Chemistry**

calculate the molar hydroxide ion concentration of each of the following solutions given the pH 4.53. Answer should be for OH-. Please show me how to do this in step by step
*November 25, 2014*

**Science 1 easy question!!!!**

Is K^+1 and F^-1 an ionic bond? My answer: yes
*November 25, 2014*

**Maths**

Thank You ;)
*November 25, 2014*

**Maths**

In the village school the ratio to boys to girls is 5:6. there are 175 boys. how many girls. please show me full working out but don't give me the answer as I want to find it out for myself. I just need to know how to do it. Thank you
*November 25, 2014*

**Chemistry**

Given the molar concentration of hydroxide ion, calculate the concentration of hydrogen ion. [OH-]=0.0010 Can someone please help me with this process. Thanks
*November 25, 2014*

**Chemistry**

Determine the acid and base that were neutralized to produce each of the following salts. Li2CO3 (aq). I don't understand how to solve this.
*November 25, 2014*

**Chemistry**

Given the molar concentration of hydrogen ion, calculate the concentration of hydroxide ion [H+]=7.9*10-7
*November 25, 2014*

**1 Math question**

Estimate $6.56 + $13.02 using front-end estimation. about $19.60 about $18.60 about $20.10 *** about $17.10
*November 25, 2014*

**Biology**

In what form of energy does energy from sunlight end up after photosynthesis and cell respiration?
*November 25, 2014*

**math**

a 154 lb person burns 420calories per hour riding an exercise bicycle at a rate of 15 mi/hr write a function rule to represent the total calories burned over time by that person.
*November 25, 2014*

**algebra**

Tarot cards are used for telling fortunes, and in a reading, the arrangement of the cards is as important as the cards themselves. How many different readings are possible if three cards are selected from a set of seven Tarot cards?
*November 25, 2014*

**physics**

a convertible travels down a straight, level road at a slow speed of 13 km/h. A person in the car throws a ball with a speed of 3.6 m/s forward at an angle of 30 degrees to the horizontal. Where is the car when the ball lands?
*November 25, 2014*

**maths**

Average weight 0f 6 balls is 6kg.average weight of 7balls is 7kg what's the weight of 7th ball
*November 25, 2014*

**Algebra**

I can find the finite differences, but how do I find the number of birds in July? owl.bcpnet. net/Algebra%202/ch6/section09/problem_solving.pdf
*November 25, 2014*

**business math **

Molly Ellen, bookkeeper for Keystone Company, forgot to send in the payroll taxes due on April 15. She sent the payment November 8. The IRS sent her a penalty charge of 8.80% simple interest on the unpaid taxes of $3,600. Calculate the penalty. (Remember that the government ...
*November 25, 2014*

**Spanish**

This is really long and I'm behind on my homework so I couldn't read it all I'd change the first line to Pablo Neruda es un famoso poeta de Chile. Hope it helped :)
*November 24, 2014*

**Primary Sources Search Help**

I'm looking for primary sources from when Sacagawea was alive that relate to her in some way Otherwise any tips for finding primary sources?
*November 24, 2014*

**history/engllish-thesis**

I also have- Sacagawea played a significant role in the Corps of Discovery journey, making her one of America's most influential females in history.
*November 24, 2014*

**history/engllish-thesis**

I need help writing a thesis for my history day project, my person is Sacagawea and this years theme is leaders and their short and long term legacies. I don't exactly know where to start. Sacagawea has played a big role in the discovery of Louisisana territory, making her...
*November 24, 2014*

**chemistry-naming **

How do I name the following- C3H8? (the numbers are supposed to be subscripts) KCl?
*November 24, 2014*

**Science**

2 ml of stock antibiotic (64 mg/ml) was diluted into a test tube containing 2 ml of broth (final volume is 4). A series of 2-fold SERIAL DILUTIONS were performed by transferring 2 ml to three other tubes, consecutively (final volumes now 2 ml in each tube). The final ...
*November 24, 2014*

**Microbiology**

2 ml of stock antibiotic (64 mg/ml) was diluted into a test tube containing 2 ml of broth (final volume is 4). A series of 2-fold SERIAL DILUTIONS were performed by transferring 2 ml to three other tubes, consecutively (final volumes now 2 ml in each tube). The final ...
*November 24, 2014*

**Chemistry**

I think this is another 2-fold dilution where the answers are 16, 8, 4, and 2, but I'm not sure.
*November 24, 2014*

**Chemistry**

2 ml of stock antibiotic (64 mg/ml) was diluted into a test tube containing 2 ml of broth (final volume is 4). A series of 2-fold SERIAL DILUTIONS were performed by transferring 2 ml to three other tubes, consecutively (final volumes now 2 ml in each tube). The final ...
*November 24, 2014*

**Algebra**

99 inch pipe is cut into two pieces. One is two times the length of the other. Find the lengths of the two pieces
*November 24, 2014*

**Math - ratio**

Mr. Rahim had the same amount of money in his three bank accounts at first. He deposited $44 into account b and $ 80 into account c. In the end, the ratio of the amount of money in account a to the amount of money in account c was 2:7. How much money was there in account b in ...
*November 24, 2014*

**Math**

A worker uses 4gray tiles for every 5blue tile That he uses .if he uses 60gray tiles how many blue tiles does he use
*November 24, 2014*

**math**

uhm, how do you get it though, but the answer is 41.4
*November 24, 2014*

**math**

A cone is made from the figure shown by joining the straight edges and securing them with tape, calculate the angle of inclination, to the nearest tenth of a degree, for the side of the cone.
*November 24, 2014*

**physics**

on the surface of planet y, which has a mass of 4.38 x10^24 kg, an object has a weight of 50.0 N and a mass of 30.0 kg. What is the radius of this planet?
*November 24, 2014*

**English**

My teammates and___ practice every day after classes are over. a.I b.me c.my d.us I am think a ___ said in our orientation that we much make our decisions about how we are going to make a difference. A.It B.Our Leader C. They D. Them I am think B ____of my friends believe__ ...
*November 24, 2014*

** ratios and proportional relationships **

if a tiger eat food that weights up to 15% of its body weight and it eats 75 pounds of food how much does the tiger weigh
*November 24, 2014*

**Math**

As a savings plan for college, when their son Bill was born, the Johnson's deposited $10,000 in an account paying 4% compounded quarterly. How much is this account when Bill is 18 years old?
*November 24, 2014*

**Calculus**

What does y'' mean in calculus? Is there a word for it? Also is there a word for f'(x)? Thanks.
*November 24, 2014*

**math**

Jane had $7 and her sister had $2. Their parents gave each of them an equal amount of money. Then, Jane had twice as much money as her sister. How much money did their parents give each of them
*November 24, 2014*

**grammar**

Which is a similie? A) riding like the wind or B) looked like they had come from far
*November 24, 2014*

**government**

three types of political party systems and how they affect governing
*November 24, 2014*

**Spanish 1 question**

How are lunch traditions changing in the Spanish-speaking world, and why?
*November 24, 2014*

**Spanish**

What is a bodegón? What is its significance?
*November 24, 2014*

**Pre-Calc/Trig**

okay thank you
*November 24, 2014*

**Pre-Calc/Trig**

is the integer n odd or even, explain
*November 24, 2014*

**chemistry**

If you need to multiply the following reaction by 2 to be an intermediate reaction in a Hess's law problem, what would be the final value for the enthalpy of reaction you use for this intermediate reaction? C2H4 + 3 O2 2 CO2 + 2 H2O, H = -1410 kJ
*November 24, 2014*

**statistics**

from the following list of numbers of discharges each day in september, compute the mean, mode, and range.
*November 24, 2014*

**physics**

is it possible to a have a percentage difference of zero in physics
*November 24, 2014*

**accounting**

On October 10, 2010, Mason Engineering Company completed negotiations on a contract for the purchase of new equipment. Under the terms of the agreement, the equipment may be purchased now or Mason may wait until January 10, 2011, to make the purchase. The cost of the equipment...
*November 24, 2014*

**chemistry**

0.195 m of ca oh 2 solution to neutralize 750 ML of a 0.235 m of hno3 and balance it
*November 24, 2014*

**business math**

The weekly payroll of Abkar Hardware includes 19 employees who earn $280. How much is the employer's share of total social security and Medicare taxes for the first quarter of the year?
*November 24, 2014*

**Pre-Calc/Trig**

Help me please, I don't understand this write using exponential notation √ 36* 3√ 64 oh and 3 is an exponent
*November 24, 2014*

**physics**

n=1, L=0, m=0 n=2, L=0, m=0 L=1, m= -1, 0, 1 n =3, L=0, m=0 L=1, m= -1, 0, 1 L=2 , m=-2,-1,0,1,2 n =4 L=0, m=0 L=1, m= -1, 0, 1 L=2, m=-2,-1,0,1,2 L=3, m=-3,-2,-1,0,1,2,3 n=5, L=0, m=0 L=1, m= -1, 0, 1 L=2, m=-2,-1,0,1,2 L=3, m=-3,-2,-1,0,1,2,3 L=4, m=-4,-3,-2,-1,0,1,2,3,4 The...
*November 24, 2014*

**physics**

it takes about 560 kilowatts to run a diesel locomotive at speed around 180km/h.Magnetically levitated trains(mag levs) on the other hand require less power because the magnetic levitation eliminates energy loss to friction.The worst maglev system requires 270 watts to ...
*November 24, 2014*

**Math**

Given TriangleABC with a = 9, b = 15, and m<A= 28 degrees, find the number of distinct solutions. I got two solutions. Not sure if I am correct though.
*November 24, 2014*

**Math**

Given TriangleABC with a = 9, b = 15, and m<A= 28 degrees, find the number of distinct solutions. I got two solutions. Not sure if I am correct though.
*November 24, 2014*

**Math**

Given TriangleABC with a = 9, b = 15, and m<A= 28 degrees, find the number of distinct solutions. I got two solutions. Not sure if I am correct though.
*November 24, 2014*

**Math**

Determine the linear velocity of an object with an angular velocity of 8.1 radians per second at a distance of 10 centimeters from the center. Use pi. Round the answer to the nearest tenth. I got 47, is this correct?
*November 24, 2014*

**math**

Ron will have 10 dimes
*November 24, 2014*

**statistics**

your medical terminology instructor listed the following grades for the class out of a 75-point: 33,34,43,45,45,54,59,60,62,64,66,67,68, 67,68,68,69,70,70
*November 24, 2014*

**physics**

A(n) 1949.1 kg car is coasting along a level road at 22.9 m/s. A constant braking force is applied, such that the car is stopped in a distance of 74.6 m. What is the magnitude of the braking force? Answer in units of N
*November 23, 2014*

**chemistry**

Use the Henderson-Hasselbalch equation to calculate the pH of a solution that is 0.140M in propanoic acid and 0.120M in potassium propanoate
*November 23, 2014*

**physics**

It's due in 5 minutes just tell me the answer.
*November 23, 2014*

**physics**

A 1.2kg lead ball is launched off a cliff top at 16m/s at an angle of 20 degrees above the horizontal. The height of the horizontal is 15m. Determine the net force acting on the lead ball that caused the ball to drop 4.0m from point P.
*November 23, 2014*

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