# Posts by LIZZY

Total # Posts: 215

Physics
A 12.0 kg object is on a surface that is inclined 30 degrees and the coefficient of friction is 0.65. Determine the force of static friction if the block remains stationary.

Statistics
A friend gives you the following Fs and decision made. Does the decision appear to be correct? Explain.Do NOT provide critical or table values as explanations. F(2, 63) = .10, not significant F(3, 85) = -1.70, not significant F(1, 120) = 64.32, not significant F(5, 70) = 1.00...

English
Did anyone check if these were right

maths
A plane takes off from Lagos at 10.30a.m. it flies to Accra in 65 mins, makes a stop of 40 mins at Accra airport. And then flies back. To Lagos in 70 mins. At What time does it land again At Lagos airport

life orientatio
The physical, social and economic consequences of president Jacob Zuma's corruption and fraud

life orientation
Limpopo Life Orantation grade 12 Learners guide 2016

life Orientation
Identify your 3 human rights violations or discriminations and explain in an lntroductory paragraph why you choose the specific human rights violation or discrimination.

Math
Just to make sure I'm correct for this problem .04 is 1/8% of what number I would put .04 over x and I could use 12.5% over 100 since 1/8%=12.5 and I would get 3.125

Can I be an accountant with these subjects

Can I be a Accountant studying these subjects

Identities
Verify the following identity cos2x/sin2x+sinx/cosx=csc2x

Pre calc
Let sin u=-8/17 and cos v= 12/13, with pie<u<3pie/2. Find the exact value of cos(u+v)

Statistics

Statistics
A survey of 925 voters in one state reveals that 408 favor approval of an issue before the legislature. Construct the 90% confidence interval for the true population of all voters in the state who favor approval.

Statistics
The Tyco Video Game Corporation finds that it is losing income because of slugs used in its video games. The machines must be adjusted to accept coins only if they fall within set limits. In order to set hose limits, the mean weight of quarters in circulation must be estimated...

Statistics
I'm not quite sure I understand. What do I use as the score, and what do I use for n.

Elementary statistics
Thank you so much!!!

Elementary statistics
Scores on an English test are normally distributed with a mean of 78% and a standard deviation of 4.5%. Find the value of the first quartile.

Elementary Statistics
Thank you so much. I greatly appreciate it.

Elementary Statistics
The diameters of pencils produced by a certain machine are normally distributed with a mean of 0.39 inches and a standard deviation of 0.04 inches. If 500 pencils are selected how many would you expect to have a diameter more than 0.33 inches?

Math statistics
A mountain search and rescue team received an average of 600 calls per year. Use the poisson dustribution to find the probability that on a randomly selected day, they will receive 1 or more calls.

Math statistics
Ten percent of Americans adults are left-handed. A statistics class has 50 students in attendance. Find the standard deviation for the number of left-handed students in such classes of 50 students

Math statistics
For a certain computer program a password must be exactly 5 characters long. The first character must be a mnber 0-8, the second, third and fourth character can either be one of the 26 letters or a number 0-5, the fifth character has to be exactly the same as the second ...

Math Statistics
In the power ball lottery game, winning the jackpot requires that you select the correct five unique numbers between 1 and 58 inclusive (don't have to match the order) and, in a separate drawing, you must also select the correct single nber between 1 and 13 inclusive. Find...

amplifiers
Question 10. 10. (TCO 3) A particular BJT has a base DC current of 1 mA and a collector DC current of 10 mA. What is the DC beta for this transistor? (Points : 7) 1 10 100 1,000

math117A
An object 4.2 feet tall casts a shadow that is 12.6 feet long. How long in feet would the shadow be for an object which is 20.4 feet tall? A.12 feet B. 6.8 feet C.28.8 feet D.61.2 feet

science
i live in orlando?

science

english
I read it. I thought the theme is related to gentleness and good nature. But I can't come up with a good theme for this story that relates to gentleness and good nature

math
what is the theme of the story the Christmas goblin by Charles Dickens?

civics and careers
Canadian charter of rights and freedom

civics and careers
How does people's legal rights in the charter related to citizenship (informed, active citizen)? As many reasons as possible

Mathematical literacy
Assume there are 4 people living in the house nd their daily average consumption is 25litres per person per day nd there are 30days in a month . Calculate the average monthly water consumption for the household.

math
Solve 6k^2-17k-3=0

Math
x^3-x^2-36x+36=0

of 109.6 million house holds, 19,508,800 watched the television show CIS during the week of October 3, 2005. what percent of american households watched CIS this week?

History

History
1.Which of these was a precedent that George Washington set? A. constitutional amendment process B.formal presidential dinners C.singing of the national anthem D.use of a presidential cabinet 2.“The time for a new election of a citizen be president of the United States is...

math
It would have to be 4 feet because if yards then it would be 12 feet (there are 3 feet in a yard).

English
Would it be Feeling some stress when you face difficulties is natural Or Feeling some stress when you face difficulties are natural

Statistics
As the sample size gets larger, what happens to the size of the correlation that is needed for significance?

Statistics - Help!!!
An independent measures research study compares three treatment conditions using a sample of n=5 in each treatment. For this study, the three samples have SS1=10, SS2=20, SS3= 15. What value would be obtained for MS within?

statistics
A research study comparing three treatments with n=5 in each treatment produces T1=5, T2=10, T3=15 with SS1=6, SS2=9, SS3=9 and (Greek letter E)X squared =94. What is SS total? What is SS between and what is SS within?

ok I think U got them all right why the Heack U ️forgot 8-15

Honors Physical Science
An object is moving at 25 m/s and has a kinetic energy of 12,500 J. If the acceleration due to gravity on Mercury is about 3.8 m/s2 , what would be the weight of this object on Mercury?

Sociology
What social policies to reduce crime would likely be recommended by a sociologist who favors Merton's Strain Theory? Why?

√162+11√243-7√128+√192 a.)√2 +17√3 b.)-47√2+107√3

Further mathematics
An exponential sequence (GP)of positive terms and a linear sequence (AP)have the same first term.the sum of their first terms is 3,the sum of their second terms is 3 and the sum of their third terms is 6. Find the sum of their fifth terms

books
I'm sorry to ask again but the answer has to come from Chapter 18 of the book "In the Garden on Beasts" And the question is At this point in Hitler’s rise to power no military action was taken to halt his ascension. What would have been the most likely ...

books
In the book "In the Garden of Beasts", chapter 16 it asks What did Klemperer notice about Hitler’s use of language? What was the purpose of the Editorial Law?

books
In the book In the Garden of Beasts, Chapter 18, it asks, At this point in Hitler’s rise to power no military action was taken to halt his ascension. What would have been the most likely outcome of preemptive military action?

Calculus
A particle moves along the curve y = sqr(1+x^3). As it reaches the point (2,3), the y-coordinate is increasing at a rate of 4 cm/s. How fast is the x-coordinate of the point changing at that instant.

Calculus
On what intervals of t is the curve described by the given parametric equation concave up? Concave down? x=t^2; y=t^(3)+3t

Calculus
For the curve r = 2 sin 3(theta): Find the arc length of one petal

math
4x(3x+8y)-7y(5x-1)

English
Mike, I don't think jumping right into it is a good idea. You want to lead them to it. What is the question starting the intro?

Honors Math
Thank you Mr. Bob Pursley!

Honors Math
Please help! Malia incorrectly graph the equation y=2/3x+12 with a slope of 3/2. What should malia's corrected graph look like? The answers can be: A. Vertical B. Horizontal C. Less Steep D. More Steep P.S. The / doesn't mean divide in this equation. It is refering to ...

social studies
In referrencing Lenin's "What is To Be Done" Lenin is here calling for unity among socialist thinkers, emphasizing that criticisms made by socialist thinkers against one another’s thoughts strengthen the enemy (bourgeois ideology”). Put in other words, ...

social studies
Referencing Vladimir Lenin, "What is To Be Done?" (1902) Why do you think it was left to the “bourgeois intelligentsia” to transform the quest for working class rights into a philosophy?

Biochemistry
b anyone, stuck :p

Math HELP!! :(
@bobpursley

Math HELP!! :(
I can't I won't let me

Math HELP!! :(
a contractor's designing one side of an office building 48 feet in length the windows are each 5 feet long and will be placed Six feet apart and 5 feet from the end of the building wall how many windows can a contractor design

math
the answer for the triangular prism with these dimensions 6.0cm 7.5cm 9.6cm what is the answer

Math
Position Term 1 10 2 14 4 22 8 38 n a) Create an expression that represents the term’s value in terms of the position.

AP Chemistry
The pH of a solution of Sr(OH)2 is 12.42. What is its pOH? What is its [H3O^+]? What is its (OH^-)? What is its [Sr(OH02]? Is the solution acidic or basic?

AP Chemistry
The pH of a solution of Sr(OH)2 is 12.42. What is its (OH^-)

child care
promote the benefits of change

mlit
a plane at a height of 5000m is travelling ata constant speed of 300m.s. A heat seeking missile is fired at the plane when it is 5000m due east of an airbase. if the missile's speed is 350m.s, will the missile hit the plane before it reaches 9000m due west?

Math
Thank you Ms. Sue! I appreciate it!

Math
Please help! It says- A machine takes 4.0 hours to make 8 parts. At that rate, how many parts can the machine make in 31.0 hours? Anybody want to explain it to me?

Honor'sMath/UsingSimilarFigures
I've got the area part but I typed exactly what was in the textbook.

Honor'sMath/UsingSimilarFigures
Help! I cannot figure out how to do this and my teacher does not explain things very well! The question is- An image is 16 in. You want to make a copy that is similar. Its longer side will be 38 in. The copy costs \$.60 per square inch, Estimate the copy's total cost. *What...

Math
You divide 925 by 37 and you get an answer of A.25ft. Your welcome! :)

Math
/:

math
johanna has a cellphone plan that has a monthly charge plus a per text fee. In October , she sent 45 texts and her bill \$37.25. In November, she sent 118 texts and her bill was \$40.90 write the y-intercept in coordinate form.Explain what the y-intercept represents in the ...

maths
how fast does a child`s heart beat in a minute?

Math
i am a number between 50 and 60. one of my factors is 28. qhat number am I?

Math
HELP! I have a math question the says this: In track practice, Jesse ran a mile in 7 minutes. His mile time was 2 1/2 minutes faster than Michael's time. Write and solve an equation to calculate Michael's mile time. I can't figure out what to do and it's due ...

Math/Algebra
Thank you Ms. Sue!

Math/Algebra
I really need help! I have a paper due tomorrow and I can't find out this answer. Can you help me? The question says this: -2=n+5. Under it it says: (-2)-____=n+5-____. I know that n equals -7 but I can't find out the blanks. Please help!

College Physics
I figured it out! I wasn't putting the t at omega=0 in the first equation in properly before converting from radians to revolutions!

College Physics
At t=0 the current to a dc electric motor is reversed, resulting in an angular displacement of the motor shaft given by theta(t)= 258t - 20.4t^2 - 1.47t^3 How many revolutions does the motor shaft turn through between the time when the current is reversed and the instant when ...

calculus help!!!!
Find derivative of: g(theta) = cos^2(2theta-1)

Calculus: free body diagram--PLZ HELP!=)
Grain is being poured through a chute at a rate of 8 cubic feet per minute and forms a conical pile. The radius of the bottom of the pile is always half of the heightof the pile. How fast is the circumference of the base increasing when the pile is 10 feet high? ..I keep ...

CALCULUS
Find derivative of: g(theta) = cos^2(2theta-1)

calculus
find the derivative of y=2sqrt(x)-(1/x)

Calculus - free body diagram
A water tank has the shape of an inverted right circular cone whose base radius is equal to half its height. Water is being pumped in at 2 cubic meters per second. How fast is the water rising when the water is 3 meters deep?

CALCULUS help! =)
WOW!! You are such a lifesaver!!!!!!!!!=) ...and also very good at math !

chemistry
A chemist must dilute 55.6 ml of 1.48 M aqueous silver nitrate (AgNO3) solution until the concentration falls to 1.00M. He'll do this by adding distilled water to the solution until it reaches a certain final volume. Calculate this final volume, in milliliters. Round your ...

Algebra 1 (exponents)
Thank you

Algebra 1 (exponents)

chemistry
A 150-mL sample of a .600-mol/L calcium nitrate solution is mixed with a 1.00L of .500-mol/L NaOH(aq). Calculate the mass of precipitate produced in this reacton.

animals
What is the habitat and location for the Florida Bonneted bat*? Also, what is its kingdom, phylum, class, order, and sub order? *Also known as the Wagner's Mastiff bat or the Wagner's Bonneted bat

geometry
Anon is Right. Those answers above are right! B D D B C

to Lizzy and ms.sue
no problemo

Math
The time it takes Javier to go to school and his walking rate are inversely proportional. If it takes him 12 mins walking at 3 mph how long does it take if he walks at 4 mph?

math
The answer to the second one is 25%