# Posts by bill

Total # Posts: 877

Calc
At noon, ship A is 100 Kilometers due east of ship B, Ship A is sailing west at 12 k/h, and ship B is sailing S10degrees west at 10k/h. At what time will the ships be nearest each other and what time will the distance be? (not a right triangle)? Not a right triangle? You know...

Calc
Still trying to figure this out. Am i going in the right direction? c2=(12t)^2+(10t)^2-2(12t)(10t)Cos100

Calc
c^2=100^2-x+(-12t)^2-2(100-x)(-12t) Cos100 or maybe this?

Calc
Ok. So c^2=100^2+b^2-2(100)b Cos100 ?

Calc
At noon, ship A is 100 Kilometers due east of ship B, Ship A is sailing west at 12 k/h, and ship B is sailing S10degrees west at 10k/h. At what time will the ships be nearest each other and what time will the distance be? (not a right triangle)?

Chemistry
How many grams of HCl are produced according to the following equation, H2 + Cl2 = 2 HCl, when 4.0 g of hydrogen reacts completely?

mr. macho ate 125 hotdogs over a five day peroid each day he ate seven more hotdogs than the previous day. how many hot dogs did he eat on the first day.

physics
Thank you drwls!

physics
How long does it take a plane, traveling at a speed of 170 m/s, to fly once around a circle whose radius is 2900 m?

physics
Me don't know

Economics
Which government bodies influence national fiscal policies that potentially affect the housing market?

physics
The mass ratio is 3.

Explain how 8 ten thousand can be equal to 80,000.

No???

calculus
-ln(6x+1) + e^24x-1

it is 1,235,1469,2587,265,874 times 1million

physics
please HELP!!! What is the magnitude of the momentum of a baseball (m = 1.450 kg) traveling at a speed of 102 mi/h? Express your answer in SI units. I am unsure where to start

physics
A simple pendulum is made by attaching a small cup of sand with a hole in the bottom of a 1.2 m long string. The pendulum is mounted on the back of a small motorized car. As the car drives forward, the pendulum swings from side to side and leaves a trail of sand (15 cm from ...

physics
A certain car is capable of accelerating at a rate of +0.60 m/s2. How long does it take for this car to go from a speed of 20 mi/h to a speed of 65 mi/h?

physics
HELP PLEASE!!! A satellite moves in a circular orbit around Earth at a speed of 5085 m/s. (a) Determine the satellite's altitude above the surface of Earth. (b) Determine the period of the satellite's orbit.

Physics
A chain composed of four identical links is suspended by a rope and does not move. What are the forces on each chain? (include where they come from)

biology
are the antipodals hapliod or diploid?

Math
value of \$25000.00 compounded semi annually at 7% for 5 years

Calc 1
y=108x-243

Calc 1
108

Calc 1
Find the equation of the tangent to the graph y=f'(x) at x=3 where f(x)=x^4 So I did : f'(x)=4x^3 y-81=4x^3(x-3) y=4x^4-12x+81 ?? Am i even remotely correct?

Calculus 1
According to Ohm's law, the voltage V, current I, and resistance R in a circuit are related by the equation V=IR, where the units are volts, amperes, and ohms. Assume that voltage is constant with V=12V. Calculate: The ROC of I with respect to R for the interval from R=8 ...

math
(x)/(x-8)= (x-7)/(x+3) how do u solve this for x?

Honors Chemistry
Due to the screening effect, the 3s electrons of magnesium (Mg) feel an effective nuclear charge (Zeff) of: 1. +1 2. +2 3. −2 4. +12 5. +4

physics
PLEASE HELP !!!!!!Find the acceleration reached by each of the two objects shown in figure below if the coefficient of kinetic friction between the 7.00 kg object and the plane is 0.250. img411.imageshack.us/img411/5841/p449.gif I keep getting 3.9=a

physics
You are trying to slide a refrigerator across a horizontal floor. The mass of the refrigerator is 199 kg, and you need to exert a force of 343 N to make it just begin to move. (a) What is the coefficient of static friction between the floor and the refrigerator? F=(mu)m*g 343\...

physics
A certain car is capable of accelerating at a rate of +0.60 m/s2. How long does it take for this car to go from a speed of 20 mi/h to a speed of 65 mi/h?

calculus
Oh, right . I forgot all about the -1. Thanks.

calculus
The sum from 0 to infinity of (-1)^n(3/3^n) is convergent or divergent? If convergent, what is the sum? I got that it's convergent and the sum is 9/2, but that's wrong.

algebra
Are the following true or false? 1. The difference of two natural numbers is always a natural number. 2. The sum of two natural numbers is always a natural number. 3. The quotient of two natural numbers is always a natural number. 4. The difference of two natural numbers is ...

calculus
Determine whether the sum from n=1 to infinity of arctan(2n^2/(25n+1)) converges or diverges. If it converges, what is the sum?

Chemistry
8.4cm = m 1333.8g=kg 119cm=mm 2391mL=L 3.22Mm=km 4.68fs=ps 8.86*10^11=Gm 1.57*10^-10m=picometers 381cm=in 94mm=in 5.0L=q 132kg=lbs

physics
A car is traveling at 28 m/s when the driver spots a large pothole in the road a distance 37 m ahead. She immediately applies her brakes. If her acceleration is -7.8 m/s2, does she manage to stop before reaching the pothole? What is this stopping distance?

chemistry
Nevermind I figured it out myself.

chemistry
Out of these choices what would you say? 1. The same number of electrons would be emitted, but they would have a lower velocity 2. The same number of electrons would be emitted, but they would have a higher velocity 3. No electrons would be emitted from the surface. 4. More ...

chemistry
We conduct an experiment by shining 500 nm light on potassium metal. This causes electrons to be emitted from the surface via the photoelectric effect. Now we change our source light to 450 nm at the same intensity level. Which of the following is the result from the 450 nm ...

Biology
What is the name given to the types of organisms that exclusively use aerobic cellular respiration to break down glucuse to produce ATP for energy? Provide three specific examples

Math
need help in identifying the y intercept for 2y+5=-2. my ordered pairs are (0,4) and (6,-2). I am visually impaired when it come to trying to see the tics. Thanks Bill

english
1. c 2.d 3.c 4.c 5.c 6.b 7.d 8.c 9.a 10.b

MATH
HOW LONG WILL IT TAKE A CAR BEING DRIVEN AT A SPEED OF 15 MILES PER HOUR TO TRAVEL 26,400 FEET? AN OBJECT MOVING AT A RATE 0F 15 MILES PER HOUR TRAVELS 22 FEET IN ONE SECOND.

MATH
How much larger than 327 is 609?

MATH

MATH
WRITE IN DIGITS EIGHT BILLION TWO.ANSWER SHOULD BE 8,200,000,000

math
When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -16t^2 + v*t + k gives the height of the ball at any time, t in seconds, where “v” is the init

Physics
Charge A and charge B are 2.00 m apart, and charge A is +3.90 C and charge B is +4.00 C. Charge C is located between them at a certain point and the force on charge C is zero. How far from charge A is charge C?

Ur mom
It was sweaty down there

Let us adopt the following symbols for the variables: · Sales: S (\$) · Salesperson's level of education: E (Years of education). · Gender (M): We use a single dummy variable for two categories. If the observation is male, then the variable M=1, if ...

physics
Two masses are hanging over a frictionless, massless pulley as shown blocks_pulley_aMass m1 is 5.0 kg and mass m2 is 7.0 kg

History
but it wasn't a test.. its a chapter review i was trying to make it sound urgent so id get help

History
Why did president hoover's emphasis on voluntarism fail to resolve the problems of the great depression of the united states?

math
1. In a survey of a TriDelta chapter with 46 members, 13 were taking mathematics, 33 were taking English, and 6 were taking both. How many were not taking either of these subjects?

Algebra
f(x) = (x - 3)2, with domain [3, ∞) What is the range of function f?

Algebra
If f(x) = - 2x2 + 2x - 3, what is f(5)?

algebra
The radius of a large pizza is two times plus 3 inches larger than a small pizza. The area of the small pizza is 33 square inches less than the large pizza. What is the radius of the larger pizza?

math
The heights in inches of 18 randomly selected adult males in LA are listed as: 70, 69, 72, 57, 70, 66, 69, 73, 80, 68, 71, 68, 72, 67, 58, 74, 81, 72. Display the data in a stem-and-leaf plot. 1. Find the mean. 2. Find the median. 3. Find the mode. 4. Find the range. 5. Find ...

College Chemistry
Is 50.0mL of 1.0 MHF and 50.0 mL of 1.0M NaOH a buffer solution with a pH of 3?

Chemistry
What is the pH when 0.40 g of NaOH is added to 50,0 mL of 0.10 M HCOOH? No volume change. (Ka for HCOOH - 1.8 x 10^-4.)

chemistry
Write a net equation for the reaction between aqueous solutions of NH4Cl and Na2SO3.

flvs??

Accounting
Hanson Corp uses a process costing system. Materials are added at the start of the process. Beginning inventory for January consisted of 1,900 units (40% complete for conversion) with a cost of \$15,000. 10,900 units were started and completed during January. On January 31, the...

chemistry
323K

Chemistry
y=mx+b Is slope

algebra 1
(-1,1),y=x-4

chemistry
What volume does 7.50 ´ 1020 molecules of O2 occupy at STP?

chemistry
What is the volume of 62.3 g of nitrogen gas at STP

Chemistry
gas chromatography i think but not sure why

Chemistry(defintions)
I need help on finding the definitions to these: Pressure being constant, the amount of heat in a chemical equation ___________. Randomness of particle measurement is called __________. Calories required to convert 1gm of liquid to vapor without a change in temperature ...

trig
Is the somewhere where I could learn how to graph polar coordinates such as (1,pi/3)?

Algebra 3
sin(180 + 0)

Math
Given:a and b are first-quadrant angles, sin a = 5/13 , and cos b = 3/5 , evaluate sin(a - b).

trig
you use a polar calculator converter

4gr math
18

social studies
in what way could putting a tariff on foriegn shoe imports result in a disadvantage to the untited states economy or to the United states consumers.

Calculus
Determine the convergence or divergence: An=(-1)^n(n/(n+1))

trigonometry
2. two look out situations, which are 25 miles apart along the coast on a north-south shoreline, spot an approaching yacht. One lookout station measures the direction to the yacht at N33 degrees E, and the other station measures the direction of the yacht at S62 degrees E. ...

logic
3. Translate the following argument into symbolic for, and determine whether it's logically correct by constructing a truth table. -If the team wins, then the team remains in the playoffs. If the team stays in the playoffs, then the championship is within reach. Therefore...

math
A projectile is fired directly upward with a muzzle velocity of 860 feet per second from a height of 7 feet above the ground. a. Determine a function for the height of the projectile t seconds after it’s released. b. How long does it take the projectile to reach of height...

math
Determine whether the following argument is correct. If it’s not correct, explain what is wrong with the argument and change the minor premise to make a correct argument. If a triangle is equilateral, then it has three equal sides. Triangle ABC doesn’t have three ...

math
The Fibonacci sequence of numbers begins 1,1,2,3,5,8,13,21,34,55,…and continues by the rule: every number is the sum of the two previous numbers. a. Determine the next five (eleventh through fifteenth) elements of this sequence. b. Compute the ratio of the fourteenth and ...

physics
A T-bar tow is planned in a new ski area. At any one time, it will be required, to pull a maximum of 80 skiers up a 600-m slope inclined at 15 degrees above the horizontal at a speed of 2.5 m/s. The coefficient of kinetic friction between the skiers skis and the snow is ...

physics
You are designing a game for small children and want to see if the ball’s maximum speed is sufficient to require the use of goggles. In your game, a 15.0-g ball is to be shot from a spring gun whose spring has a force constant of 600 N/m. The spring will be compressed 5....

physics

enlish
how would I use the word turbid in a sentence

Physics
2*F*mus=weight 2*F*0.36=32N F=32/(2*0.36) F=44.4

chemistry
stuck at step 5! help please!

math
Evalute: -1/3+2/3(1/2-1/3) what are the steps involved with this problem? thanks

Literary Analysis and Composition
These questions are from K12 Online school.

Chemistry
17.7

english
hi what does the alliteration in the first line of this poem represent In The Gallery Here neither nymph nor naiad ever bathed nor Saint refreshed herself in pristine water, here, in The Gallery, between Tie Rack, Camera Shop, B. Dalton, Radio Shack, Dad's Pizzas, Message ...

english
hi can someone pleases help me analyze this poem. I need a lot of help In The Gallery Here neither nymph nor naiad ever bathed nor Saint refreshed herself in pristine water, here, in The Gallery, between Tie Rack, Camera Shop, B. Dalton, Radio Shack, Dad's Pizzas, Message ...

english

english
hi can someone pleases help me analyze this poem. I need a lot of help In The Gallery Here neither nymph nor naiad ever bathed nor Saint refreshed herself in pristine water, here, in The Gallery, between Tie Rack, Camera Shop, B. Dalton, Radio Shack, Dad's Pizzas, Message ...

government
in the book of social studies why did the people fought for better working condition

finance
Wheeler Corporation is planning to expand its business and needs \$30,000,000. The company believes that a 12-year term loan can be negotiated with a bank at an annual rate of 10%. Alternatively, an investment banking firm has indicated that it is willing to underwrite a common...

Posted several times know one gets A
Kinetics Challenge Problem Consider the following reaction: CH3X + Y → CH3Y + X At 25oC, the following two experiments were run, yielding the following data: Experiment 1 : [Y]0 = 3.0 M [CH3X] Time(hr) 7.08 x 10-3M 1.0 4.52 x 10-3M 1.5 2.23 x 10-3M 2.3 4.76 x 10-4M 4.0 8...

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