# 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

**Maths lit.Economics.Business.Accounting.English.Afrikaans.**

Can I be an accountant with these subjects

**Maths Lit .Economics .Business.Accounting.English.Afrikaans**

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**

The music industry must adjust to the growing practice o consumers downloading songs instead of buying CDs. It therefore becomes important to estimate the proportion of songs that are currently downloaded. How many randomly selected song purchases must be surveyed to determine...

**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**

Could someone who goes to connexus academy Please please please give me the answers to Human Impact on the Environment Unit Test pretty please im stressed out and im backed up.please please help i will repay you! please!!!! and please may they be the CORRECT answer. Thank you ...

**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

**7th grade challenge math**

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**

@Ms.Sue please check this

**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?

**science(check answers)**

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?

**SimplifyingRadicals**

√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)**

(6p)^-2 how will I write this in positive answer? I got 1 ---p ^-2 136 Please help! thank you

**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%

**8th grade math**

The amount of vitamin c in the breakfast cereal varies directly with the serving size. If 1 and 1/4 cups of cereal provides 10% of the recommended daily value of vitamin c, what percent of the recommended daily value of vitamin c is in two cups of cereal?