Wednesday
April 16, 2014

Posts by Mika


Total # Posts: 73

Chemistry
I dont really understand these questions and their processes. And I am a bit iffy on redox reactions. For problem 3, can you show a step by step process how to do the problem? Problem 2, I do not fully understand how to do it at all. How would you know the resulted products? A...

physics
Does changing the angle of an incline that you are rolling a ball down change any of these paramaters? Final velocity of the ball, work, initial potential energy, and final kinetic energy?

Physics
A person is travelling 6 km (E) then 4 km (N) and finally 2 km (W). Calculate the average speed And velocity. Show your work

PHYSICS
This is the important eq. F/Ltotal = [uo.I1.I2/(2.pi.r)] r = sqrt(h^2+d1^2), d1=1.5 cm & h=10cm sin(a)=h/r 2*F*sin(a)= m*g = lambda*Ltotal*g in this last Eq replace all values, and be careful with the units... 2*uo*I1*I2/(2*pi*r)*h/r=lambda*g

Physics
really? is 0.001 the answer???

algebra
Factor 2a+13a-7

LIVING ENVIRONMENT
what does this polymer in the diagram most likely contain

Math
Write these in factored form? 12 +6x x+x+x+6 x^2 + 3x x^2 + 4x +3 Combine like terms? 3x + 4x 11 + 5 + 2x + 6x 3x -2 - x + 9 7x - 8 - 11x x^2 + 2 + 7x + 4 - x x + 5x + x^2 + 3 + 2x^2 I don't really understand it so if you could help me, thaanks c:

Algebra
If a nuclear power plant can buy 86% enriched fuel for $21000/lb and can buy cheaper less enriched uranium that is 80% pure and for $14000/lb still using as a mixer the 57% pure uranium at $5000/lb which fuel is going to be more cost effective for the plant?

Chemistry
What is the pH of a 0.125 M solution of a weak base if ∆H° = -28.0 kJ and ∆S° = -175 J/K for the following equilibrium reaction at 25°C: B (aq) + H2O (l) ↔ BH+ (aq) + OH- (aq)

Chemistry
Carbon tetrachloride (CCl4) and benzene (C6H6) form ideal solutions. Consider an equimolar solution of CCl4 and C6H6 at 25°C. The vapor above this solutionis collected and condensed. Using the following data, determine the composition in mole fraction of the condensed vapo...

SCIENCE
Whats a good name for my science fair project? Im going to put a brick,wood,and chicken bone in vinegar. Something creative

Science
No like something creative

Science
Whats a good name for my science fair project? Im going to put a brick,wood,and chicken bone in vinegar.

Social Studies
During the 1930s Camden,New Jersey, became the site of this first. It had a parking lot big enough for 400 cars. What was it?

Social Studies
What was the 1st automobile to be mass produced in the U.S.? It was the 1901 one

SCIENCE
Suppose an astronomer oberserves a huge solar flare. Predict its effect on Earth in the next day or so. I put it would break satellites and powercuts would happen. But would a huge solar flare kill all people on Earth? Im not sure

SCIENCE
I put It would just break satellites and powercuts would happen. But can a huge solar flare kill all the people on Earth? Im not sure

SCIENCE
Suppose an astronomer oberserves a huge solar flare. Predict its effect on Earth in the next day or so

SCIENCE
Suppose an astronomer oberserves a huge solar flare. Predict its effect on Earth in the next day or so

Math
Yeah thats why I am confused

Math
The attendance at the Harmony School carnival has shown a range of 200 people during the years from 2005 through 2008. Which graph could show the carnival attendance correctly? GRAPH A. 2008:360 2007:330 2006:200 2005:100 GRAPH B.2008:300 2007:350 2006:150 2005:100 GRAPH C. 20...

Chemistry
Recently I solved for how many mL of 5% BaCl2.2H20 solution was required to precipitate sodium sulfate. Now the question asks what if the sodium sulfate was potassium sulfate instead. Would the volume required be higher or lowered than the sodium sulfate and why? I got that th...

Chemistry
Assuming the sample is pure sodium sulfate, how many mL of 5% BaCl2.2H20 solution would be required to precipitate the sulfate. Density of barium shloride solution of 1.00 g/mL.

math
In triangle ABC, angle A = 80 degrees. The bisector of angle B and angel C intersect at point P. Angle BPC = what?

math
If L (3x + 50 degrees)is parallel to M (2x - 20 degrees) find X.

math
The slope of any line perpendicular to AB where A(0,-3)and B(1,9) are two points on the line is m = what?

Math
A square with sides x + 2 and an equilateral triangle of sides with 2x have equal perimeters x = what?

math
What is the volume of a sphere with a 10 inch radius?

Math
A metal cylinder with a 4 inch radius and a 10 inch altitude is melted and recast into solid right circular cones each with a 1 inch radius and 2 inch altutudes. What is the number of cones formed?

Math
Enter in standard form of the line passing through point B(2,-5) m= *2/3

Phi103
if then q is what i would say

Phi103
if then q is what i would say

physics
A skier is accelerating down a 30.0 degrees hill at 1.80m/s^2. How long will it take her to reach the bottom of the hill, assuming she starts from rest and accelerates uniformly, if the elevation change is 375 m? Apparently the answer isn't 20.4 s... Can someone help me pl...

math
Stanwood Builders has a development of new homes. There are five different floor plans, four exterior colors, and an option of either two-car or three-car garage. How many choices are possible for one home? A. 60 B. 40 C. 20

physics
if a clinician changes the transmit power from 100 m watts to 1 m watt by how much has the transmit power changed

com155
can someone please review my answers to the questions below and let me know if they seem correct? Review the four paragraphs below. There is one paragraph matching each of the following types: summary, analysis, synthesis, and evaluation. Once you have read each paragraph, com...

com170
i dont understand how to compare

com170
Individual Assignment: Practice with Pronouns, Adjectives, Adverbs, and Comparisons • Write several sentences describing a recent interaction with a friend or family member about personal finance or credit cards. This interaction may be imagined or real. • Use at le...

com170
ok i understand but are the pronouns and adjectives and adverbs right??

com170
3. Individual Assignment: Practice with Pronouns, Adjectives, Adverbs, and Comparisons • Write several sentences describing a recent interaction with a friend or family member about personal finance or credit cards. This interaction may be imagined or real. • Use at ...

com170
recently-adverb i double checked so it should be right

com170
recently-adjective

com170
i dont know thats why i need help i wrote it but i have trouble identifing all that

com170
• Write several sentences describing a recent interaction with a friend or family member about personal finance or credit cards. This interaction may be imagined or real. • Use at least five different pronouns, adverbs, and adjectives in your sentences. • Identi...

comm
envelope-adverb credit-adjective spent-adverb

Calculus
A missile is rising vertically from a point on the ground 75,000 feet from a tracking station. The missile is rising at a rate of 16500 feet per minute at the instant when it is 38,000 feet high.What is the rate of change, in radians per minute, of the missile's angle of e...

geometry
Paula built a play area for her dog in the shape of a regular pentagon. If the perimeter is 35 feet, what is the length of each side of the play area?

math
The lenght and the width of a rectangle are in the ratio 3:2. If the lenght is increased by 20 and the width is decreased by 5, the ratio of the lenght to the width becomes 2:1. Find the lenght and width of this rectangle.

8th grade Math
I'm actually in 7th grade, but I'm doing 8th grade pre-algebra, but anyway, here: I'm supposed to simplify these four problems and I don't really understand how: 28s (15 power) ____ 42s (12 power) 4m+(n[7th power]m) 63m(5 power)n(6 power) ______________________...

2nd Grade Math
The mode is the number that appears the most. If your numbers are 10, 26, 10, the number that appears the most is 10.

1st grade
Most likely a circle.

physics
A butterfly at eye level is 22 cm in front of an plane mirror. You are behind the butterfly, 46 cm from the mirror. What is the distance between your eye and the image of the butterfly in the mirror?

6th Grade Math
If a plane is going on a 500 mile trip, how many minutes will it take to get there for a speed of 400, 300, 200, and 100 mph? For 500 it wil obviously take 1 hour, but my brain is dead today and I can't figure out the other four.

English
Looks fine to me.

Medical Information
d.118

science
part of the plant where the plant`s reproductive organs can be found? (6 letters) is it flower or ovule? thanks

science
crossword puzzle about photosynthesis. this part of the plant is where the reproductive organs can be found (6 letters) flower? these parts of the flower were once the bud(6 letters) petals or sepals? which is right:) thankyou

3rd grade Math
Benchmark numbers are easier to add-usually ending in 0's or 5's. Ex: 28+31 can be turned into 30+30. 28 was rounded up to 30, and 31 was rounded down to 30. 4 and lower is rounded down; 5 and higher is rounded up. If the number is 3,4,5,6 or 7 it is rounded to five, i...

Math
If you have a problem like this: 2/3!+1 ------ 1/2!+4 What does the exclamation point mean? :O

College Algebra
How do I solve by factoring (x2/5) – 3 – 3x = – 3

Thesis statement help
Participants of the Pilgrimage of Grace were concerned primarily with obtaining back certain lost rights while those who opposed their movement wished to maintain order on their own terms.

English2- revised
on the autobiography of malcomx i have to write a summary over it

Language Arts
thank you

Language Arts
What is the adverb in this sentence? How are you?

math
evaluate the squared root of 13.2/0.33,do i work out the division first then find the square root??

CRITICAL THINKING
How can a person distinguish between the prejudicial and nonprejudicial use of rhetorical devices?

calculus
how to you use partial fractions to compute the integral of ax/((x^2)-bx)dx?

calculus
wait, are you doing the convergent problem or the partial fraction problem?

calculus
how do you determine the convergence of : definite integral from 1--> infinity of lnx/(x^3)? i set the problem as lim (R--->infinity) of the integral of lnx/(x^3) from 1--->R, but i can't compute the integral.

Social Studies (Early Native American Tribes)
Can u give me some good places to research the Wobenakiak tribe? I have an essay due tomorrow. thx!

Government
If a proposed ammendment violates the constituition, should the Supreme Court be able to block its ratification? explain. I say yes because the constitution should never be violated. i agree because the constitution is something that basically/kind of is the law

English 2
the auto biography of malcomx

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