# Posts by Bob

Total # Posts: 3,224

**Physics**

Two stones are thrown simultaneously, one straight upward from the base of a cliff and the other straight downward from the top of the cliff. The height of the cliff is 6.41 m. The stones are thrown with the same speed of 8.35 m/s. Find the location (above the base of the ...

*October 1, 2015*

**algebra**

i dont know

*September 30, 2015*

**math**

all multiples of 12

*September 29, 2015*

**Physics**

A car, moving along a straight stretch of high- way, begins to accelerate at 0.014 m/s2. It takes the car 23.2 s to cover 1 km. How fast was the car going when it first began to accelerate? Answer in units of m/s.

*September 24, 2015*

**physics**

12.254

*September 23, 2015*

**Vpe**

Estimate to 70+146 and got 300 her estimate reasonable explain

*September 21, 2015*

**Logarithm help**

Write each expression as a single logarithm I need help really fast. I have to finish this by today. log4^3 + 1/2log4^8 - log4^2

*September 19, 2015*

**Chemistry**

I am really lost with this. Calculate the amount of energy released in kJ/mol for the fusion reaction of two 1H atoms to yield a 2H atom and electron: 1/1H+1/1H→2/1H+0/1e The atomic masses are 0/1e (0.0005486 u), 1H (1.00783 u), 2H (2.01410 u), and 3He (3.01603 u). I ...

*September 19, 2015*

**Logarithm help**

Use logarithms for these questions After every 10 pages of painting, the ribbon in the dot matrix printer loses about 0.5% of its ink. A) What percent of the ink is left in the ribbon after printing 100 pages and 1000 pages B) write an equation which expresses the percent p of...

*September 18, 2015*

**Logarithm help**

Solve to the nearest thousandth. 5^1+x = 2^1-x

*September 18, 2015*

**Geometry**

What about the last three c by the 180???

*September 17, 2015*

so i divide it by 60?

*September 16, 2015*

**algebra**

The wheels of a moving bicycle have 27-inch diameters, and they are spinning at 200 revolutions per minute. How fast is the bike traveling in miles per hour? 27*π*200=16964.6 1mi=63360in 63360/16964.6=3.73 I am not sure if i did it right

*September 16, 2015*

**Math**

So 10.25=0.05n+0.1d+0.25q n=3d q=4*d+1 Substitute d and q to the top equation So 10.25=0.05(3d)+0.1d+0.25(4*d+1) Distribute 10.25=0.15d+0.1d+1d+0.25 Simplify 10.25=1.25d+0.25 10.25-0.25=1.25d --> 10/1.25=d--> d=8 plug 8 back into the equations 3*8=n --> n=24 4*8+1=q...

*September 16, 2015*

**Physics**

6.6m/s

*September 13, 2015*

**Elementary Mathematics**

2/5*7/10*9/10

*September 12, 2015*

**Physics**

115.256 cm

*September 11, 2015*

**Genetics**

Well educational parents providing environment that do not foster children learning Abilities.

*September 11, 2015*

**Math**

Solve this radical equation algebraically: 2x-5(sqrtx)-3=0

*September 11, 2015*

**Pre Cal**

Let me try again, because I keep getting something different. This is the problem: ( (2x^-4y-1)(2y^4z^-1) )^-2/2yx^3z^0 Can you please help me simply this. I didn't get what you got. Thanks.

*September 7, 2015*

**pre cal**

Can you simplify (2x^-4 y^-1 times 2y^4 z^-1)^-2/ 2yx^3 z^0 I got the numerator to be 16x^16 y^17 z and then divided by the denominator to get 8x^13y^16z

*September 7, 2015*

**Pre cal**

I didn't ask for the problem to be solved, just simplified. I know I shouldn't have used an x for a multiplication sign, sorry. My bad. Thank you. I found my error.

*September 6, 2015*

**Pre cal**

Simply the equation: 2x^4y^0z^2/(yz^2)^-2 x 2zx^2y^-4 Can you help? I got the denominator to be y^-6 x 2z^5 x x^2 When I solved it, I got x^2y^6/z^3

*September 6, 2015*

**financial literary**

this helped me none

*September 6, 2015*

**Spanish**

what did u get?

*September 4, 2015*

**Physics**

A speeding motorists passes a stopped police car. At the moment he passes, the police car begins accelerating at a constant rate of 4.4 m/s^2. The motorist unaware that he is being chased, continues at a constant speed until the police car catches him 12s later. How fast was ...

*August 23, 2015*

**Algebra**

while turning a city, you see a skyscrape and wonder how tall it is. You see that it is clearly divided into floors . You estimate that each floor is 20 feet high . You kill that the skyscraper as 112 floors .how tall is the skyscraper

*August 22, 2015*

**Algebra**

You go to a forest and measure the shadow of a tree as being 6 m long. The shadow of your meter stick is 2 m long .How tall is the tree ?

*August 22, 2015*

**PleaseHelp! Geometry!**

Ditto and COPYCAT!

*August 22, 2015*

**physics**

boob

*August 18, 2015*

**reading and literature**

simile

*August 17, 2015*

**PHYSIC**

148cal

*August 14, 2015*

**Math**

its actually 15/52 because there are only 12 other hearts and 3 other aces.

*August 10, 2015*

**chemistry**

0.1428

*July 23, 2015*

**History**

james madison

*July 23, 2015*

**History**

Prior to 1954, if a state wanted to enact a program that separated individuals based on their race, but still provide both sets of persons equal services, what would the government have to demonstrate for this program to be deemed constitutional? A. it was necessary to promote...

*July 23, 2015*

**algebra**

A country's population in 1995 was 175 million. In 2000 it was 181 million. Estimate the population in 2020 using the exponential growth formula. Round you answer to the nearest million. P=Ae^kt

*July 15, 2015*

**Math**

Thank you Steve

*July 13, 2015*

**Math**

Barry is 6 yrs old.Larry is twice as old as Barry.Terry is the same number of years older than Barry as he is younger than Larry.How many years old is Terry?

*July 13, 2015*

**physics**

This one is bookwork. Google "Electric field generated by two point charges utexas" and the first link will help.

*July 8, 2015*

**Physics**

I want to calibrate a barometer using current pressure. I live in a town with altitude 540m (at the top of an escarpment) but the closest internet pressure readings are from a town which is 50m above sea level(at the bottom of the escarpment). Assuming the temperature varies ...

*July 8, 2015*

**PHYSICS PLS HELP**

What is her weight force? Use Newton's 2nd Law to find the unbalanced force which she will need to make her 50kg mass accelerate upwards. (remember, the acceleration is only upwards because it's caused by the unbalanced force acting on her in the opposite direction in ...

*July 7, 2015*

**math**

Sam is four years younger than Jo. But in five years' time Jo will be twice Sam's age now. How old are they now?

*July 7, 2015*

**Math**

Thank You.

*July 2, 2015*

**Math**

Mary is getting paid $383.00 every two weeks at her job. How much does she make hourly? How would I figure this out?

*July 2, 2015*

**Math**

I think it's A. 15,000(0.986975)^10(12)

*June 28, 2015*

**Math**

You have a balance of $15,000 for your tuition on your American Express credit card. If your APR is 21%, you make no further charges, and each month you make only the minimum payment of 3% of your balance, then the formula for the balance after t monthly payments is given by ...

*June 28, 2015*

**Government**

Iowa has to honor a marriage that was granted in Indiana. True False Im so confuse

*June 16, 2015*

**science chemistry**

A basic amino acid,arginine,has a molar mass of 174g.mol^-1.it has the following percentage composition:41,38% carbon, 18,39% of oxygen,32,18% of nitrogen and 8,O5% of Hydrogen.determine the molecular formular of arginine

*June 14, 2015*

**math**

If one bag of skittles contains 1 and 1/4 cups then how many bags of skittles would 12 cups of skittles be divided into?

*June 11, 2015*

**math**

HEHE

*June 9, 2015*

**geometry**

the answer is 10

*May 28, 2015*

**Chemistry**

A 50 ml sample of .150M Ch3CooH is titrations with .150 M NaOh solution. Calculate the ph after the following volumes of base have been added: 49 ml, 51ml

*May 27, 2015*

**LA**

Hey Ms.Sue, its pretty obvious what this site is used for. If you havent gotten that yet, then let me explain this to you: student give student answers, mostly from connections academy, and other online schools.

*May 22, 2015*

**The giver**

For connexus these are wrong i just got 0/3 f**k

*May 19, 2015*

**LA**

I was not asking for anyone to just give me an essay a website was fine but now I got my answer

*May 14, 2015*

**LA**

In the play the importance of being earnest by Oscar Wilde. How are the characters jack and lager in developed through the use of dialogue? How are these characters similar? How are they different?

*May 14, 2015*

**LA the giver chapters 1-2**

B C B D These are correct answers for connection academy

*May 13, 2015*

**Algebra 2 Honors**

UR right

*May 11, 2015*

**math**

logb3=1.099 logb8=2.079 find logb216 i am just lost on what to do

*May 11, 2015*

**Calculus**

I BELEAVCE IT IS CORRECT

*May 8, 2015*

**history**

would it be a

*May 8, 2015*

**math**

6.3

*May 6, 2015*

**chemistry**

select one acid, one base, and one salt and describe specifically how and where they are used in therapeutic processes.

*May 6, 2015*

**math**

6 minutes

*May 5, 2015*

**science**

31 mL servings, 170 left over

*May 5, 2015*

**science**

thx Ms. Sue :)

*May 5, 2015*

**science**

Earth's energy sources include both nonrenewable and renewable resources. Name at least three sources of energy that could be used in your house. The describe the ideal energy source for generating most of your home's electricity, and explain why you chose that source...

*May 5, 2015*

**chemistry**

what is a mole

*May 5, 2015*

**physics**

X=V^2 / 2(mu)(9.8) X=4.1m

*May 3, 2015*

**Chemistry**

250.0 mg solid magnesium placed in 9.1 g aqueous zinc nitrate... What is the limiting reagent? I balanced the equation: Mg (s) + 2HNO3 (aq) -> Mg(NO3)2 (aq) + H2 (g) 250 mg 9.1 g

*May 1, 2015*

**math**

jamie is joining a music club as part of her 4-cd introductory package she can choose from 12 rock selection, 10 alternative selection 7 country selections and 5 classical selection if jamie chooses on selection from each category how many ways can she choose her introductory ...

*April 29, 2015*

**Physics**

1.36

*April 26, 2015*

**math**

a=70

*April 22, 2015*

**math**

2a-140

*April 22, 2015*

**math**

140

*April 22, 2015*

**SS 6th grade**

Does anyone have the answers to the test

*April 21, 2015*

**math**

A study of two types of weed killers was done on two identical weed plots. One weed killer killed 15% more weeds than the other. This difference was significant at the 0.05 level. What does this mean? A. The improvement was due to the fact that there were more weeds in one ...

*April 17, 2015*

**math**

If you have a twelve gallon bucket, a seven gallon bucket, and a six gallon bucket, how can you get exactly nine gallons into one bucket

*April 16, 2015*

**algebra**

the isotope has a very short life of 13 half-life days. estimate the percentage of the original amount of the isotope released by the explosion that remains 3 days after the explosion?

*April 16, 2015*

**statistics**

The distribution of B.A. degrees conferred by a local college is listed below, by major. Major Frequency English 2073 Mathematics 2164 Chemistry 318 Physics 856 Liberal Arts 1358 Business 1676 Engineering 868 9313 What is the probability that a randomly selected degree is not ...

*April 16, 2015*

**biology**

Ms. Sue, woyls it be B?

*April 13, 2015*

**SS Help!!**

Latfia is right

*April 13, 2015*

**geometry**

have 2 || lines C and d. lines intersect lines are a and b. On a, has 2 alternate interior <s 95 and x; 2 al. exterior <s 95 and 85 degrees. On b, consecutive interior <s 72 and y. What is x and y. Please explain reasoning in paragraph proof.

*April 12, 2015*

**Integration**

Integrate: ∫ x^2(x^2+1)sqrt(4-2x^3-x^4) dx

*April 11, 2015*

**physics**

A cat usually lands on its feet regardless of the position from which it is dropped. A slow-motion film of a cat falling shows that the upper half of its body twists in one direction while the lower half twists in the opposite direction. (See figure below.) Why does this type ...

*April 10, 2015*

**Calculus**

List x1, x2, x3, x4 where xi is the right endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 3 and x = 5. 3, 3.5, 4, 4.5 3, 3.2, 4.6, 5 3.5, 4, 4.5, 5 3.25, 3.75, 4.25, 4.75 my answer was a because i kept getting numbers like 3, ...

*April 3, 2015*

**math**

1/4 of henry sticker is equal to 2/3 of daisy. difference in number of sticker each of them has is 135. how many stickers do they have in all?

*April 2, 2015*

**math**

Sam and Jill had 576 stamps in all. Sam gave 1/7 of his stamps to Jill. Then Jill gave 1/4 of the total number of stamps she now had to Sam. In the end, both of them had the same number of stamps. What was the difference in the number of stamps they each had at first?

*April 2, 2015*

**math**

Esth had five times as many cards as Rich. Esth gave 1/4 of her cards to Rich. Rich. gave 1/6 of his cards to Esth in return. In the end, Esth had 90 cards more than Rich. How many cards did Esth have at first?

*April 2, 2015*

**Algebra 2**

Use trigonometric identities to solve each equation for the given domain. sin 2θ = -cos θ for 0 ≤ θ < 2π *Anyone who has any idea which identity to use is welcome to help

*April 1, 2015*

**Math / Algebra 2**

Use trigonometric identities to solve each equation for the given domain. sin 2θ = -cos θ for 0 ≤ θ < 2π *Anyone who has any idea which identity to use is welcome to help.

*April 1, 2015*

**algebra**

The angle of elevation from the tip of the shadow to the top of the tree is 36°. Find the distance from the top of the tree to the tip of the shadow. Round the answer to the nearest tenth.

*March 30, 2015*

**math**

it doe snot say

*March 30, 2015*

**math**

An office supply company is shipping a case of wooden pencils to a store. there are 64 boxes of pencils in the case. If each of pencils weighs 2.5 ounces, what is the weight, in pounds, of the case of wooden pencils?

*March 30, 2015*