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Posts by cyn

Total # Posts: 54

how does novikov describe the united states ?what evidence does he use to support his description

the product of two whole number is 65 what is the sum of the two number

The sum of the diameter of 2 circles is 28". Once circle has a diameter that is 8" longer. What are the diameters of each circle?

this is a problem in my statistics class, and I am lost to me, it is confusing or missing something here is the problem please help grade points are assignede as follows: a=4,b=3,c=2,d=1,f=0. grades are weighted according to credit hours. if a student receives an A in a four-...

Movement and Music
Can you please check my semester exam before I turn it in? 1. Children who do poorly in school are primarily ______ learners. a. Auditory b. Kinesthetic c. Spatial d. visual My answer: c 2. A movement program that emphasized divergent problem solving, discovery, and self-...

Movement & Music
A movemnt program that emphasizes divergent prolem solving, discovery, and self-expression to foster creativity utilizes the _______ teaching method. a. command instruction b. direct instruction c. exploration d. guided discovery I chose D...

Movement & Music
Children who do poorly in school are primarily ________ learners. a. auditory b. kinesthetic c. spatial d. visual I think C is correct..

entify the data set's level of measurement. gender profile of the 111th congress average january snowfall for 15 cities

Chemistry- help
1) How do I calculate what the mass would be for the flask containing water and alkaseltzer if: -mass of flask and the 10ml of water equals 150.23g -mass of alkaselzer equals 0.65g Calculate the mass of the carbon dioxide gas if: -mass of flask , water , and alkaseltzer ...

Find the value of c that will make the expression x^2-15x+c a perfect square. would c = 56.25 ?

(√ 10 +3)(√ 10 - 3) When I multiply the √ 10's what would it come out to be? That's what throws me off >_<

integrate 2/((2x-7)^2) from x=4 to 6

Twenty (20) students randomly assigned to an experimental group are studying for a test while listening to classical music. Thirty (30) students randomly assigned to a Control group are studying for the same test in complete silence. Both groups take the test after studying ...

Joe Reseacher asks for access to patient records as part of a research project.What should the health information manager do?

How would you make this sentence into a parrell sentence. One gypsy explained that telling fortunes was less about helping others' lives than to make his own living.

college math

college algebra
find the x-intercept and the y-intercept for f(x)=16x^+24x+9 type in ordered pair

college algebra
The number of tickets sold each day for an upcoming performance of Handel's Messiah is given by N(x)=-0.4x^2+12x+10, where x is the number of days since the concert was first announced. When will daily ticket sales peak and how many tickets will be sold that day?

What formula do I need to use to solve for r

Hint: Pay attention to the units of measure. You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1. Many people know that the weight of an object varies on different planets, but did you know that ...


To train for a triathlon Cartman swims 125m daily for one week.Each subsequent week he doubles the daily amount until he swims 4km each day for one week. The total distance he has swam is? What is the equation for this,since he doubles every week

Determine the inverse of f(x)=(x^3)-2 Is the inverse the switch of coordinates between x and y or is it 1 over the whole equation?

solve: log base2(log basex(x+6)=1 There's 2 different bases, how do I solve for x?

A supersoaker water pistol can hold up to 4 litres of water. If each shot uses 11/12 of amount of water of its previous shot, the amount of water fired by a fully loaded supersoaker's first shot is? x/4000ml=11/12 x=3666.7mL why is the answer 333mL?

Why do enzymatic reactions proceed slowly at 0°C?

Math 12
In a geometric series S4 = 64 and r = -2/3. The first term in the sequence is? Thanks for your help!

What would happen to your cells if they made a poisonous chemical?

and more math. :)
Given (1/logy 4) = (log1/4 1/8x), express y as a polynomial function of x. State the restrictions on x and y.

math againnn!
Solve for x: 2log(3-x) = log2 + log(22-2x)

^(x+1) my bad =]

Solve: (log2 8)^x - (log9 3)^x+1 = 0

Given the fuction y = log3(x+3)+2, calculate the zero of the function. GIve an exact answer.

determine all the values of x, such that (x^2-15)^x^2-4 = 1.

math - logs
if logx3 = a and logx25 = b, determine an expression for logx(9/5).

Calculate the force of gravity on a spacecraft 12800 km above the earth's surface if its mass is 700 kg.

An amount of money is invested at 12%/a interest. Write an equation and solve it to determine the length of time it will take for the original amouunt to double if the interest is compounded annually.

MATH - logarithms
is ln the same as log? and is its ln485 + or ln485 * ?

MATH - logarithms
solve for x. 485 * 5^x+2 = 12^2x-1

science - biology
If our cells and body fluids are hypertonic to the water of a swimming pool, then why do we not swell and pop when we go for a swim?

MATH - solving exponential equations
The half-life of sodium-24 is 14.9 hours. A hospital buys a 40 mg sample of sodium-24. a) How many grams, to the nearest tenth, of sodium-21 will remain after 48 h? b) After how long will only 2.5 mg remain? I don't know how to write the exponential function in order to be...

a) 3(2)^2 - 8(2) = 6^2 - 16 = 36-16 = 20 b) 3(-3)^2-8(-3) = -9^2 - (-24) = 81 + 24 = 105

if you're trying to solve for b, isolate b. b = 5*8 b = 40

Another one, sorry! =P This stuff is really confusing.. Why doesn't friction depend on surface area?

When an object slides over a smooth horizontal surface, how does the force of friction depend on the force of gravity on the object?

OH, i understand now, 7.77 is the combination of iron and oxygen.. whereas 5.44 is just iron, so therefore to find the mass of the oxygen, you minus the two.. thank you so much!

Thank you! I don't get one part though, to find the mass of the oxygen, why did you minus 5.44 and 7.77?

7.77 g of rush (an oxide of iron) is heated until all the O2 atoms combine with charcoal. When this is done, a pellet of pure iron with a mass of 5.44 g remains. What is the empirical forumla for rust?

Solve. |3w-1| = |3w| or abs(3w-1) - abs(3w) I know you can use a calculator and find the answer easily, but we're supposed to know how to do this without a calculator.

Grade 8 science
I remember in grade 8, we studied cells and we examined cork under a microscope. Corks contain cells, but is a non-living object.

after you get 3x(x^2-2x-8), look at what is in the parenthesis. x^2-2x-8 what are 2 numbers that add to the constant, 8? at the same time, these 2 numbers must equal -2 the two numbers should be -4 and 2 so the final answer would be.. 3x(x-4)(x+2) hope this helps. =)

the answer should be 8/7 when you are dividing expressions with exponents of the same letter, you just subtract the exponents so 3 - 3 = 0, therefore there would be no more t. so 16/14 simplifies to 8/7

If our company's bank loan has a 12 interest rate, what is our effective, after-tax interest cost? Assume the tax rate = 38% If our preferred stock is paying a contractual $1.85 annual dividend and has current market price of $13.50, what is our cost of preferred stock? A ...

If our company's bank loan has a 12 interest rate, what is our effective, after-tax interest cost? Assume the tax rate = 38% If our preferred stock is paying a contractual $1.85 annual dividend and has current market price of $13.50, what is our cost of preferred stock? A ...

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