Thursday
April 24, 2014

Posts by Isaac


Total # Posts: 92

Algebra
factor 4x cubed - 32

Calculus
How can I prove this series alternating series converges(this is the answer)? (-1)^2*(2/3)^n I tried it this way: an = (2/3)^n, then i just broke it down. 2^n/(3^n) and i took the ratio of it and got 2/3 which does not equal to one which would mean the series diverges.. but th...

math
tap a was turned on to till a rectangular tank of 50cm by 40cm by 28cm with water at a rate of 6 liters per minute. after 2 minutes, tap b was turned on to drain water from the tank at a rate of 2 liters per minutes. 6 minutes after tap b was turned on, both taps were tuned of...

math
tap a was turned on to fill a rectangular tank of 50cm by 40cm by 28cm with water at a rate of 6 liters per minute. after 2 minutes, tap b was turned on to drain water from the tank at a rate of 2 liters per minutes. 6 minutes after tap b was turned on, both taps were tuned of...

Calculus
The question is find the area of the reagion that is bounded by the curve y=arctan x, x=0, x=1, and the x-axis. So I've drawn the enclosed region. To find the area would I use the Disc/shell method? If so the formula that I came up with looks like this: If area = pi(r)^2 t...

Calculus
= 1/(3x+5)*d/dx (3x+5) =3/(3x+5)

Calculus
There is this improper integral problem I've been given. I've completed most of it but still don't understand what I'd get, I don't quite get what it means to go from 'e' to 'infity'. What would I get? -ln(x)+1/x from 'e' to 'inf...

physics
a particle a of mass 2kg and particle b of mass 1kg are connected by alight elastic string c, and initially held at rest 0.9m apart on a smooth horizontal table with the string in tension. they are then simultaneously released . the string releases 12j of energy as it contract...

physics
s = vt s=3×15 s=45m

inorganic chemistry
silt is an example of ........ Hydride

Math
Here is the work 10/3x + 4/3 = (7+x)/2x Multiply both sides by 6x: 2*10 + 8x = 3(7+x) 20 + 8x = 21+3x 8x-3x = 21-20 = 1 5x = 1 X = 1/5.

Math
It's C

Arithmetic
three numbers in an arithmetic sequence sum up to six. if you add 1 to the first number, 2 to the second number, and 5 to the third number, what are the orginal three numbers?

English
No its C. I go to Connections academy and just did that test!

Math
When M+N=8 and 2R+N=8, what is the value of R? A.16 B.4 C.-4 D.-8 E. It cannot be determined from the information given.

math
3 not on the beach

math
At a lake, 40 people are water skiing or on the beach. Nine of the 12 people on the beach decide to swim. How many people are not on the beach?

Ratio
Ratio in simplest form

Chem 1
How can you prepare 2M of 200 ml HNO3 solution from 63% stock solution of HNO3 which has a density of 1.4 g/ml?

Please
The War of the Roses placed the __________ on the English throne. Lancasterists Tudors Sheffields Bosworths Normans

History
well he made plays on this topic so True?

Math
The temperature at the top of Mt. Washington one morning was -10 degrees Fahrenheit. With the conversion formula C=5/9(F-32). What was the temperature in degrees Celsius (to the nearest degree)?

Math
A=p+prt. Solve for p and t

Math
Solve for y and x. x(y+2)=z Please Explain for me

equations
decide whether each equation is true or false.For each true equation,write the number property shown by the equation.0+6=6

Social Studies
its A .

Math ( Palette of Problem)s)
At a lake 40 people are water skiing or on the beach. Nine of the 12 people on the beach decide to swim. How many people are not on the beach? Is it 3?

Math ( Palette of Problem)s)
At a lake 40 people are water skiing or on the beach. Nine of the 12 people on the beach decide to swim. How many people are not on the beach? Is it 3?

Math ( Palette of Problem)s)
At a lake 40 people are water skiing or on the beach. Nine of the 12 people on the beach decide to swim. How many people are not on the beach?

Math ( Palette of Problem)s)
answer:3

science
A relative density bottle has a mass of 40g when empty, 90g when filled with water and 80g when filled with oil. Calculate the relative density of the oil.

mathematics
A sales manbought some plates at$50.00 each.if he sold all of them for$600.00 and made a profit of 20% on the transaction,how many plates did he buy?

mathematics
A sales manbought some plates at$50.00 each.if he sold all of them for$600.00 and made a profit of 20% on the transaction,how many plates did he buy?

mathematics
A sales manbought some plates at$50.00 each.if he sold all of them for$600.00 and made a profit of 20% on the transaction,how many plates did he buy

Life orientation
HUMAN PROBLEM THAT AFFECT THE COMMUNITY

6th grade credits
my mom keeps sayin i need like 100 credits to pass 6th grade,is this true?

6th grade credits
my mom keeps sayin i need like 100 credits to pass 6th grade,is this true?

accounting
Contribution margin = sales revenue - variable cost... So (20000*10) 200000-(20000*4)80000= 120000

physics
so n = 240 and i is 0,61?? and would the radius be 0.018/2??

Math
The inside has to equal 360 since its a 4 sided figure you know 2 sides which are 90 and the third side is 52 so 360= 52 + 90 + 90 + x solve for x 360 - 90 - 90 - 52 = x x=128

math
multiply both sides by 5 to get rid of the denominator and you get w(5)/5 = 6( 5) the 5's cancel out on the left side and you get left with w= 30 ** always remember - whatever you do to the left side you must do to the right* ( in this case we multiplied left side by 5 so ...

Physics Help!!!
A pitcher throws a 0.111-kg baseball, and it approaches the bat at a speed of 37.4 m/s. The bat does 78.6 J of work on the ball in hitting it. Ignoring air resistance, determine the speed of the ball after the ball leaves the bat and is 30.8 m above the point of impact.

math
Ok thanks

math
Th'at didnt really help, heres the choices What is the surface area of a circle that has a diameter of 14 inches? A. 49.86 in 2 B. 153.86 in 2 C. 196.86 in 2 D. 616.86 in 2

math
What is the surface area of a circle that has a diameter of 14 inches?

math
What is the surface area of a circle that has a diameter of 14 inches?

math
Thanks

math
The surface area of any shape is expressed in:

math
10x+10y=40 dived by 10 x=4

algebra
A box of animal crackers measures 12 inches by 8 inches by 2 inches. What is the volume of the box

Physics
Over a time interval of 2.15 years, the velocity of a planet orbiting a distant star reverses direction, changing from +18.9 km/s to -17.3 km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration (in m/s2) during this interval. Inc...

trig
Find the exact solutions of the equation in the interval [0,2pi). sin(x/2)+cos(x)=0

Calculus
Hello, could someone please help me with this problem? I'm a little stuck with it. Thanks, Isaac A rectangle is to be inscribed with its base on the x-axis and its other two vertices above the x-axis on the parabola y=9-x^2 (a) find the dimensions of the rectangle of large...

Home Insurance
These r question tho n i need them lol ppl kum here for answers not watever diss is ^^

Science
In what way is erosion NOT like weathering? A)It is a force that changes the earth's surface B)It is a destructive force C)It changes rocks in some way D)It breaks down rocks I think D??

liquid
Go to google and search it you will find the answer

social studies
If you go to google it says Johann Gutenberg invented the printing press

2nd grade math
2 Quarters equal 50 cents. 1 dime equals 10 cents 2 pennies equal 2... Add then all together 0.50 0.10 0.02 ____ 0. 62 Subtract 0.75 from 0.62 You get 13

English
twitch and rub its back, there are two predicates but question asks for one

English
What is the predicate in this sentence? The wiskers on my kitten twitch when I rub its back.

Calculus
A manufacturer constructs open boxes from sheets of cardboard that are 6 inches square by cutting small squares from the corners and folding up the sides. The Research and Development Department asks you to determine the size of the square that produces a box of greatest volum...

Calculus
I just wasn't sure if the answer was simply a sketch, 6 - 2x each side with the cut-outs. Thanks!!

Calculus
A manufacturer constructs open boxes from sheets of cardboard that are 6 inches square by cutting small squares from the corners and folding up the sides. The Research and Development Department asks you to determine the size of the square that produces a box of greatest volum...

Physics
A hang glider and its pilot have a total mass equal to 120 kg. While executing a 360 degree turn, the glider moves in a circle with an 8-m radius. The gliders mass is 10 m/s. a) what is the net force on the hang glider? b) What is the acceleration?

Math
A plane flies 150km due south and then 150km on a bearing of 45 degrees Celsius. With repeat to it initial position, find a. How far south the plane is b. how far east the plane is is c. It bearing d. How far way it is

home ec
what are both quick breads and yeast bread made from?

Logic
Using truth tree decomposition, determine the consistency of the set of propositions. Include line numbers and justifications, and recover the truth values if consistent. {A and B, ~B v C}

Math
Explain how you could estimate 22% of 78 to check if your answer is reasonable.

math
rectagle

math
same perimeter,diferent area 20 centimeters

math
There are 10 girls and 6 boys in a class. The teacher randomly draws one student's name and then draws another. What is the probability that the first name drawn will be a boy and the second will be a girl?

science
Please help what is the titration product of sodium hydrosulfite Na2S2O4 with sodium hypochlorite NaOCl?

Physics 112
(delta) V=EPE/q 400V = EPE/q 400V*q = Ekfinal (in J) 400V*3.2x10^(-19) (the charge of two protons in helium nucleus) = Ekfinal (in J) = 1.28x10^(-16) J Convert this to eV (divide by the charge on 1 electron), and you get 800

chemistry
calculate the mass that if converted to energy would be equivalent to the energy released when 1g of CH4 is burned

economics
what is taxation

physics...
Where did u get 5.84m

Algebra 2
Write this equation in standard form.. y=x2-6x+11 the x is squared

Algabra
Landscape designers often use coordinate geometry and algebra as they help their clients. In many regions, landscape design is a growing field. With the increasing popularity of do-it-yourself television shows, however, many homeowners are becoming amateur landscape artists. S...

statistics
Find the chance that if you toss a pair of dice, you get 6 for the sum.

math
$112 for 16 tickets, solve by determining the unit rate

Linear Algebra
V = Mnxn is a space vector formed by all the square matrices. Is W = {A in Mnxn : A^x = A} a subspace of V? Thanks

math
2a squared + 8a = -12

11th grade
what major problem in america did the progressives ignore?

Physics
A 3 m, 250 N/m spring is at the bottom of a 10 m, 20 degree frictionless slope with a 30 m drop off the top of the incline. If a 10 kg wight is placed at the end of the spring when it is compressed 2 m, how fast will the block be traveling just before it hits the ground?

Math
What is 25 Divided by (-5)

space
does our solar system move in the milky way galaxy?

Quick general Q:
I dont think so

Math
thank you

Math
thank you

Math
What set of instructions would you give somebody to compare decimal numbers?

Math
How do you compare decimal numbers?

science
On a warm summer afternoon, why would cumulus clouds and thunderstorms form in one part of a town and not in another? Usually such clouds are not in towns. They are in the upper atmosphere. Please read: http://en.wikipedia.org/wiki/Cumulus_cloud THEN TRY FERRETING HERE: http:/...

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