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Posts by bob

Total # Posts: 3,261

World History
NVM! B D IS CORRECT OPS XD

World History
6. Is c, d not b, d

Government
^^^OCA was totally correct^^^^ Thanks so much

physics
A particle is traveling counterclockwise in a circle of radius r = 2.30 m. At some instant in time, the particle is located by the angular coordinate α = 24.0°, the total acceleration has a magnitude of a = 15.0 m/s2 and is directed at an angle β = 20.0° with...

stuff
is hair biotic or abiotic

english
"I hear American siniging the varied carols I hear" Is this a) onomatopea b) anaphora c)Aliteration d)Antithesis E) Personification I think it is personification because Americaa is not a person therefore it can't sing?

math
Water contained by a dam exits a spill-way 685ft above the base of the dam. Determine the velocity of the water as it strikes the base of the dam if its initial velocity as it leaves the spillway is negligible.

history
1. A & C 2. A & C 3. B

Algebra II
What is the standard deviation of the data set? Round the answer to the nearest tenth. 5, 9, 11, 4, 8, 9, 12

biology
explain the following statement: "life is complex on the molecular level"

math
The coach of a baseball team separates the players into groups for drills. Each group has the same number of players. Is the total number of players on baseball team prime or composite? Explain.

History
What can we learn from reading ancient greek dramas?

Math
Find the real part of (sqrt{3} - i)^{2011}.

Math
Find the imaginary part of (cos12 degrees +i*sin12 degrees +cos48 degrees +isin48 degrees)^6.

American government
its ADDC

American Government
No Number 1 is B

Lead Skls Dev
Haileab Asgedom lived a wild young adulthood primarily due to the lack of parental figures in his life. What did he say was his greatest regret about this period in his life?

Social studies (Ms.Sue are these correct?)
13.is c and 16. is a

Math
It is saying it is wrong where have i messed this up?

Math
I think it is 9. Am I right?

Math
A lattice point is a point with integer coordinates. How many lattice points (x,y) with -100 less than or equal to x less than or equal to 100 and -100 less than or equal to y less than or equal to 100 are on the graph of the parametric equations x=30-40 cos t y=-50 + 30 cos t...

Math
Let G be the graph of the parametric equations x = cos(4t), y = sin(6t). What is the length of the smallest interval P such that the graph of these equations for all t E P produces the entire graph G?

Math
Yeah sorry I don't know why it keeps happening.

Math
1. The graph of the parametric equations x= 2-3t, t= -1+5t is a line. What is the slope of this line? Please help!!!!!

Math
Sorry it was a typo it was the first one thanks a lot!!!

Math
At what point does the graph of the parametric equations y=3-2t, y=-2+5t intersect the graph of the parametric equations x = -1+3s,y=5-9s. The answer is the point of intersection (x,y). Please help! I am really confused!

math
The amount of medicine ingested by the body is a function given by A(t)= 5/6 (12t-t^2) Estimate the slope of the tangent at the point (4, 80/3). Use an interval of 0.01. Explain what the value represents for this situation.

Math please help!!
In most geometry courses, we learn that there's no such thing as "SSA Congruence". That is, if we have triangles ABC and DEF such that AB=DE, BC=EF, and ∠A=∠D, then we cannot deduce that ABC and DEF are congruent. However, there are a few special ...

Math
ABC is an equilateral triangle with side length 4. M is the midpoint of BC, and AM is a diagonal of square ALMN. Find the area of the region common to both ABC and ALMN.

Math
If Jane walks North for 3 miles, turns 45 degrees to the right, and then walks another 4 miles, how many miles will Jane be from her starting point? Give your answer as a decimal rounded to the nearest hundredth. Plz help!!!!

Math
The sound intensity of a soft whisper is about 1/200000 of the sound intensity of a shout. What is the decibel level of a whisper if a shout has a loudness level of about 85 dB? L = 10log(i1/10^-12)

Chemistry
alculate the amount of energy released in the formation of one mole of MgSe bonds (not lattice energy). The radius of the magnesium ion is 0.65 Å, and the radius of the selenide ion is 1.98 Å. Note that 1Å=10−10m

Maths
In class 8m, there are 27 pupils. There are twice as many boys as girls. How many boys are there?

Math
Katie makes 65% of her shots from the free throw line. Can you determine how many consecutive free throws she must make in order to increase her percentage to 68%? Explain.

math
6/5

Calculus
I meant to say it is a piecewise function

Calculus
What kind of discontinuity is this: F(x)= (2x^2 - 5x -3)/(x-3) if x does not equal 3 6 if x=3 It is a pieces use function. I thought it was removable but my answer key says it is a jump discontinuity. This is from an exam review and I want to get it right.

Math
Thanks steve!!!! It is correct! Also thanks Damon for giving this an attempt!

Math
It is saying that 39/12 which is 13/4, is wrong.

Math
The sum of the three smallest positive values of theta such that 4(cos*theta)(sin*theta) = 1 is k*pi. Find k. Help!!!!!

Math
Thanks! Actually, I had like the same method as you for like the first few steps then I had a miscalculation

Math
If sin (a) +cos (a) =1.2, then what is sin(a)^3 + cos(a)^3? I was having some trouble with this problem. I got .98 as an estimate. Why is this wrong!!!1

Math
the answer is 15 because 15*5=75 75-5 ( the 5 you got wrong) = 70

math
the answer is 30

area of a circle
What is the aera of the circle whose center is at (2,3) and that's tangent to x-axis?

math
How many possible points so that the x-coordinate an the y-coordinate are additive inverses of each other, and the differnce of the coordinates is 10.

English
Write a speech in the following situation- You are the leading actor in a school play It is the interval in the play. The first half was dreadful, with actors forgetting their lines, props falling over and the audience laughing for the wrong reasons..‟ Use a range of ...

uncc
A projectile fired at 30 degrees with a velocity if 15 m/s would have an x-velocity component of????m/s and a y-velocity component of????m/s. Please help.. thank you

English
Khianna is preparing an informational presentation for her science class. Her presentation discusses three different theories about what killed the dinosaurs 65 million years ago. The first theory is that an asteriod hit the earth, the second theory is climate change, and the ...

5th Grade Math - Urgent Part II
Peace

Math
9 + 10 = 21!!!!

Topic
I need an acrostic poem for the word PAGANISM. Can I have some help please?

Math
Second Power.

physical science
John is using a pulley to lift the sail on his sailboat. The sail weighs 150 N, and he must lift it 4.0 m. How much work must be done on the sail?

language arts
Is it better or correct to write like this: A. "...would be the classic idea box..." or this? B. "...would be the classic, idea box..."

6th grade math - Ms. Sue please check!
You're right Lily Longoria

Career Research and Decision Making
A. an intrinsic career value. B. an extrinsic career value. C. a lifestyle value. D. a self-discovery exercise. A or B

Career Research and Decision Making
Mai is looking for a career that lets her travel and spend time in other countries. For Mai, work-related travel is:

Career Research and Decision Making
Maybe D

Career Research and Decision Making
bruce is trying to imagine the worst possible day on the job in order to help him figure out what he values at work. For bruce, this nightmare job scenario is: A. an intrinsic career value. B. an extrinsic career value. C. a lifestyle value. D. a self-discovery exercise.

Career Research and Decision Making
Thank you Ms.Sue

Career Research and Decision Making
A. an intrinsic career value. B. an extrinsic career value. C. a lifestyle value. D. a self-discovery exercise.

Career Research and Decision Making
jermaine wants to find a career that involves a lot of physical activety and risks. For jermaine exciting work is?

science
Which kind of energy transformation occurs when a skater's board falls back to the ramp?

comprehension science
how can a cyclist minimize friction as he or she rides?

physics
You throw a softball (of mass 300 g) straight up into the air. It reaches a maximum altitude of 17.9 m and then returns to you. What is the gravitational potential energy of the softball at its highest position? Assume the ball departed from and returned to ground level.

Physics
1234

Career res & dec
i think c

Career res & dec
Stella believes it is important to be able to stay at home with her children when they are sick or have a day off school. For Stella, spending tie with her children is: A. an intrinsic career value. B. an extrinsic career value. C. a lifestyle value. D. a self-discovery exercise.

Linguistics
type in: how to know if a syllable is stressed and click rymeweaver . c o m

Math Help!!
What is the answer i need it

Civics
Should we pay taxes why or why not?

science
thx also if your still here could you help the guy under me with his question about math?

science
why do we put salt on sidewalks when it snows?

math
The area of a triangle is 45cm and the altitude is 5cm greater than the base. Find the length of the base.

English
Well idk because the dialogue that was given is "Every night i think back over all this i did that day were wrong...like putting that wet mop in mr.dussel's bed...and this thing now with mother. i say to myself, that was wrong. i make up my mind, im never going to do ...

English
these lines of dialogue from the dairy of anne frank, act 1 reveal a lot about anne's character. In the paragraph , explain at least two things that you find out about anne's personality from her words. can someone start me out please im not good at essays

Physics
A steel cable of diameter 15mm supports a lift of total mass 1500kg. If the maximum safe working stress for steel is 10^8 N/m^2, calculate how the lift was moving when the wire broke

Language arts, huge favor
PLEASE TELLL ME IF THESE FRICTION ANSWERS R FRICTION CORRECT

Economics
A monopoly firm faces a demand curve given by the following equation: P = $500 − 10Q, where Q equals quantity sold per day. Its marginal cost curve is MC = $100 per day. Assume that the firm faces no fixed cost. You may wish to arrive at the answers mathematically, or ...

math
i do not know

math
Pedro pours 3 pints of iced tea into separate containers that can hold 1/2 pits of iced tea. how much iced tea Pedro had.

Science
In a series circuit if the circuit resistance is 560ohms and the inductive reactance is 1200ohms, what would be the voltage drop across the inductor

PreCal
Express the set W = { x ∣ | x | < 1 } using interval notation.

PreCal
Express the set W={x∣0<x<8} using interval notation.

PreCal
Express the setW={x∣x>2} using interval notation.

PreCal
Over a 5 week period, the price of an MP3 player dropped steadily, from $140 to $90. What was the average weekly change in the price of the MP3 player over this period?

physics question help plz!
1-What is the shape of the trajectory of a charged particle moving in a uniform electric field if its initial velocity is null? 2-What is the shape of the trajectory of a charged particle moving in a uniform electric field if its initial velocity is perpendicular to the field...

physics question
1-What is the shape of the trajectory of a charged particle moving in a uniform electric field if its initial velocity is null? 2-What is the shape of the trajectory of a charged particle moving in a uniform electric field if its initial velocity is perpendicular to the field...

Math
I have no idea. Sorry :(

Math
One alloy is 2 parts iron to 3 parts silver and another alloy is 7 parts iron to 3 parts silver. How much of each should be combined to produce a 30 pound alloy that is 1 part iron to 1 part silver?Please show me how to do this

calculus 1
L=22.360 W=44.722

accounting
98000

science
what was the answers?

Math
What is 18 millionths written in standard form

math
x<0 or x>0 what's another way of expressing it in perfect square terms?

Physics
A 5.8 kg object is accelerated from rest to a speed of 53.3 m/s in 55 s. What average force was exerted on the ob- ject during this period of acceleration? Answer in units of N.

USA TEST PREP
c

Art
Is it not b?

Math
We can't help you if not all information is present. If we see the whole question, we can provide a more accurate response to which will benefit you. Ms. Sue is correct; this post is insufficient.

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