# Posts by sarah

Total # Posts: 5,781

**social studies**

what was the supreme court's ruling on the dred scott case?

**Social Studies 9**

Purpose some reasons why women were unable to keep leadership positions during the rein of terror? There is nothing about this in my textbook.

**math**

90% as a decimal is 0.9. If you multiply 0.9(the result on the test)x90 (how many questions there were) you get 81. Peggy got 81 questions right out of 90 which is 90%.

**English**

In class, we are studying Romeo and Juliet. Do you know what tragedies afflicted Peter ,the servant to the Nurse? I know that the Nurse was affected by the death of her husband and child. However, I don't know what tragedy affected the apothecary or minstrels. Was the ...

**english**

so (not come unless you invite him)

**english**

can anyone help

**english**

(will not) ???

**english**

Put parentheses around the adverb clause by placing the parentheses in their correct locations. He will not come unless you invite him.

**english**

parentheses around (because he canceled the party)

**english**

Put parentheses around the adverb clause by placing the parentheses in their correct locations. He hasn't showed up here because he canceled the party.

**english**

thank you

**english**

would it be (in case i am called away)

**english**

Put parentheses around the adverb clause by placing the parentheses in their correct locations. Please get my mail in case i am called away.

**Chemistry**

@DrBob222 I got the last question that I posted wrong and I solved it the same way. Could you show me the answer and how you got it? My test is Friday and this is a practice problem. Suppose that 30 mL of 0.5 M CsOH and 55 mL of 0.1 M NaHS are mixed. What is the K for the ...

**Chemistry**

Suppose that 30 mL of 0.5 M CsOH and 55 mL of 0.1 M NaHS are mixed. What is the K for the dominant equilibrium in terms of Ka's, Kb's, Kw etc.? Ka of HS- 1/Ka of HS- Kb of OH- 1/Kb of OH- Kb of S-2 1/Kb of S-2 Kw 1/Kw There is no reaction.

**Chemistry**

Suppose that 85 mL of 0.4 M NaF and 50 mL of 0.4 M HCl are mixed. What is the K for the dominant equilibrium in terms of Ka's, Kb's, Kw etc.? Ka of HCl 1/Ka of HCl Ka of HF 1/Ka of HF Kb of F- 1/Kb of F- Kb of Cl- 1/Kb of Cl- Kw 1/Kw There is no reaction.

**math**

a 12.0 gallon gasoline tank holds 66.0 pounds of gasoline. If this gasoline cost $3.50/gallon, what is the cost of 1 gram of gasoline.. I need help with just the set up part.. I don't know where to start.. help please

**Chemistry**

What is the complete ionic equation for the following reaction? Aqueous iron(III) sulfate is added to aqueous sodium sulfide to produce solid iron(III) sulfide and aqueous sodium sulfate.

**EASY Math**

The equation V = -2000t + 20,000 describes the value in dollars of a certain model of car after it is t years old. If a car is worth $14,000, find the age of the car.

**Statistics**

How do I find a P VALUE given the Z statistic using the empirical rule? Doing this by hand

**Statistics**

How do I find a p value given the Z statistic using the empirical rule?

**Math**

The equation V = -2000t + 20,000 describes the value in dollars of a certain model of car after it is t years old. If a car is worth $14,000, find the age of the car.

**English grammar**

1. Some of the pie IS missing 2. All of the pies ARE missing

**Calculus**

Suppose you are in a room that is a*10 meters. You can walk normally along the "a" meter long wall at "s" meters per second and crab walk in any direction at 1 meter per second. You start at one corner of the room, walk normally along the wall of length &...

**Calculus**

Suppose x; y, and z are positive numbers that sum to 10. What is the largest possible value of xy + xz + yz? (a) First, suppose that z is a fixed parameter. Then we have to find nonnegative numbers x and y (depending on the fixed value z such that x+y = 10-z), such ...

**Public Speaking(actually check please)**

1. A - Passive Agreement with a Policy 2. C - Question of Value 3. C - Problem, Plan and Practicality 4. D - Reasoning These are the final and correct answers.

**Public Speaking(check)**

1. A - Passive Agreement with a Policy 2. C - Question of Value 3. C - Problem, Plan, and Practicality 4. D - Reasoning Final and Correct Answers

**STATISTICS PLEASE HELP**

An HR manager at a large agricultural equipment company is considering proposingputting the sales staff on 4 day - 10 hours/day work weeks, instead of their current 5day - 8 hours/day week. It is believed that this will decrease the amount of drivingthey must do during a ...

**Statistics**

What is the critical value in this question? Assume that we randomly sample 200 residents of Indiana and ask them if they favor having the government issue marriage licenses to same-sex couples. 104 say that the do; 96 don’t. Test at the 5% level whether the population ...

**math**

How can you find the volume of a rectanglar prism using a model?!!!

**chemistry**

3NO2(g) + H2O(l) → 2HNO3(l) + NO(g) How many moles of nitric acid are produced starting from 5.00 moles of NO2(g) and 2.00 moles of water? Please help,

**Chem**

How many oxygen atoms are present in 2.00 millimoles of H2SO4?

**magh**

suppose you put money into teo different bank accounts. In account #1 you deposit $500 and you will be earning 6% interest compounded quarterly. in account #2 you deposit $600 and you will be earning 5% interest compounded annually. Which statement below best describes the ...

**Chemistry**

When 28g calcium reacts with 25 grams oxygen, how many grams calcium oxide form? I have 2Ca+ 2O2= 4CaO its is not working. Stoichemistry. I have the Ca as the reactant that is limiting? Please help.

**Accounting**

use the following information to complete the partial worksheet for bills company

**math**

Find c and I. Choose the right answers. Hint: c = total of payments - amount financed Amount Financed (m) = $3,500 Number of Payments per year (y) = 12 Number of Payments (n) = 36 36 payments of $104.50 each. To the nearest penny, total interest(c) = $ To the nearest tenth, I =

**Health**

it could be either a or b is it or would it just be a

**math**

A shirt is on sale for $12.75.this is 15percent off the original price.what was the original price of the shirt?

**Math**

uh idk

**English**

I think its D I'm not sure

**English**

Roosevelt is arguing that journalists must only attack misconduct when they have valid proof. They must not dig just for the sake of digging; it is offensive to good Americans. Which statement most effectively argues against this claim? a) Even sensational journalism is ...

**math**

In the theory of relativity, the mass of a particle with speed v is m=f(v)=m01−v2/c2√, where m0 is the rest mass of the particle and c is the speed of light in a vacuum. Letting m0=1, find f−1(10). f−1(10)=

**Math**

A car fits onto a golden rectangle with a length of 12 ft. What is the cars width? Write your answer in simplified radical form and rounded to the nearest tenth of a foot.

**Statistics**

A bolt manufacturer is using a hypothesis test with α = 0.01 to see if the diameter of their 0.75 cm diameter bolts are being manufactured properly. The goal is to have the average bolt diameter be 0.75 ± 0.0075 cms.

**Statistics**

Drug clinical trials are analyzed using hypothesis testing methods. As we’ve discussed, the null hypothesis in the effective stage of such trials is that the drug being tested is ineffective. The alternative, of course, is that the drug is effective. Explain why such ...

**Statistics**

Recall that the power (1 – β) of a hypothesis test is the probability that we will reject the null hypothesis given that it is false; that is, the probability that we will correctly reject the null hypothesis. All other things being equal, which of the following ...

**College history**

The choice are A.) elementary school B.) Adulthood. C.) high school and D.) College That's why I'm confused I don't know if it's saying when it started or when it was mostly studied

**College history**

Social order and norms of behavior are often learned in what era or school time? I think it's either college or adulthood

**History**

A Story that contains little or no policy content and is not related to the days event but that commonly discussed popular personalities and is designed to draw greater viewer interest is what? I think is biased media coverage

**Science**

How does lustre affect the amount of heat being absorbed by a black can

**MATH**

The answers don't seem to be correct?

**MATH**

Suppose f(x)=3x−2. Then f(1) = f(t) = f(x2) = f(f(x)) =

**math**

25?

**math**

Let f(x)=6x−1 and g(x)=3−x2. Evaluate the following: 1. f(g(0))

**English II**

what was the correct one?

**Math**

A cheese pizza costs $5. Additional toppings cost $1.50 each. Write and graph an equation in two variables that represents the total cost of a pizza.

**Math 7B**

It was 1. A 2. A

**Math 7B**

A bag contains 4 white, 3 blue, and 5 red marbles. 1. Find the probability of choosing a blue marble, then a red marble if the marbles are not replaced. a. 5/44 b. 15/35 c. 2/3 (i pick this) 2. 1/15 2. Find the probability of choosing two white marbles in a row. a. 1/11 b. 1/9...

**Art 6B**

It was D

**Art 6B**

Ok thank you

**Art 6B**

For years, community art was created by a professional for the enjoyment or education of a public group. how did the definition change in the nineteenth century? a. community art was now also exibited in museums. b. community art was now also created to spark a revolution. c. ...

**Music**

What's the scale of the G?

**chemistry**

what would be observed when combining an aqueous mixture of: potassium carbonate and hydrochloric acid, zinc chloride and silver nitrate, magnesium chloride and sodium hydroxide, ammonium nitrate and sodium hydroxide?

**chemistry**

1.what are the functions of pH?

**Biology please assist**

1. Where is pH found? 2.what is the function of pH? 3.what principle guides the phenomenon of pH? 4.what is acid rain ?how is it related to pH values?

**finance**

A 10-year bond has a coupon rate of 7% annually and a principal payment of $1,000.00. Other similar bonds are paying 9% annually. To determine the value of this bond you must:'

**Writing**

Why is it hard to write? I've always had trouble with it, I thought that by now I would've gotten better at it, but unfortunately, I'm even worse than before.

**Writing**

Help, please!!!! I need to write a paragraph How do I write a good one? What types of paragraphs are there?

**History**

What led to the fall of the Roman Empire in Western Europe, specifically in terms of political instability, economic and social problems, weakening frontiers, and the split of the empire. This is a study guide question. I just need some help figuring out a good response to ...

**Physics**

The projectile launcher shown below will give the object on the right an inital horizontal speed of 9.40 m/s. While the other object will be dropped with no initial speed. The objects are initially 114 cm above the ground. What will be the difference in the speeds of the two ...

**English**

Might something as this... A thesis statement: Scientific advances do have an enormousness repercussion which leads humanity to its darkest fears and anxieties.

**English**

Help, Please! I don't quite understand what is asking in this assignment (Essay) Task: Write an essay that compares Frankenstein and his creation to a modern zombie story with the focus on how a monster might be used as a metaphor for science or scientific advances and/or ...

**English**

Okay, but each one of them: 1 Frankenstein 2 Zombie, will have its own body paragraph or not?

**English**

Help, Please! I don't quite understand what is asking in this assignment (Essay) Task: Write an essay that compares Frankenstein and his creation to a modern zombie story with the focus on how a monster might be used as a metaphor for science or scientific advances and/or ...

**COLLEGE HELP LEASE PLEASE !!!!!!!**

I know but someone told me that there a tuitions for different majors I don't see that @ mercy college

**COLLEGE HELP LEASE PLEASE !!!!!!!**

Mercy college is what im talking about

**COLLEGE HELP LEASE PLEASE !!!!!!!**

Is graduate tuition is tuition for graduate school? I want to become a nurse. Graduate tuition Nursing $828.00 per credit But here the tuition is $17,166 The annual total list price cost to go to Mercy was $31,928 I'm sooo confused please help. Does it cost more than $31,928?

**LOGS**

The decibel level of a sound is given by dB=10log(EE0), where E0=10−12wattsm2 and E is the intensity of the sound. (a) Find the intensity of a 80-decibel sound. E= watts per square meter. (b) How many times more intense is the sound from (a) than a 50-decibel sound? A ...

**civic education**

Nigeria,Ondo State

**Science**

The half-life of randon-222 is 8 days. What was the original mass if 6 grams remains after 24 days?

**Chemistry**

A 10.0 L container contains 1.0 L of solution of a gas. Assume [gas]=1.5x10^-4 M in solution when 2 mol of gas remain in gas form. If 1 mol of gas is removed from the gas phase, what will be the new concentration of the gas in solution? What is the value of k?

**Math**

the amount (in milligrams) of a drug in the body t hours after taking a pill is given by A(t)=30(0.8)t . (a) What is the initial dose given? (b) What percent of the drug leaves the body each hour? Percent: (c) What is the amount of drug left after 9 hours? (d) What is the ...

**Health**

Answers: 1. B 2. C & D 3. C

**Physics**

The displacement of a block of mass 439g 439 g attached to a spring whose spring constant is 66N/m 66 N m is given by x=Asin(ωt) x A s i n ω t where A=12cm A 12 c m . In the first complete cycle find the values of x x and t t at which the kinetic energy is equal to ...

**Physics Grade 10**

The speed limit near a school is 30km/h but Joe Cool thinks he can ignore it. He is driving at 60km/h. To make matters worse, he is talking on his cell phone. Suddenly a child rides his bicycle out of school grounds and across the road on the pedestrian crossing. The maximum ...

**Personal learning plan (english?)**

What are some visual, auditory, reading/writing and kinaesthetic learning activities done in high schools?

**science**

Imagine a Rip van Winkle type who lives in the mountains. Just before going to sleep, he yells, "WAKE UP", and the sound echoes off the nearest mountain and returns 7.6 hours later. Find the distance between Rip and the imaginary mountain. I have this equation s= v(...

**physics**

A bullet of mass 0.08kg is fired horizontally into a 10kg block which is free to move. If both bullet and block move with a velocity of 0.6m/s after the impact, find the velocity with which the bullet hits the body

**English**

Please, I don't want to complicate my life, so, what's the best effective way to write a topic sentence for my body paragraphs?

**Calculus**

Using the definition of the derivative, find the equation of the tangent line to y=2x-1/2 at (1/2,-1) Thanks!!

**Physics- Help please!**

A guy riding a buffalo is chasing you at a top speed of 50 km/h, you are well ahead of the rider by 2 km, but your speed is only 20 km/h. How much time do you have to come up with a better plan?

**Physics**

A guy riding a buffalo is chasing you at a top speed of 50 km/h, you are well ahead of the rider by 2 km, but your speed is only 20 km/h. How much time do you have to come up with a better plan?

**Introductory Accounting**

The question is Burlin company starts the year with $188,000 in assets and $37,600 in liabilities. Net income for the year is $47,000, and no dividends are paid. How much is owners' equity at the end of the year? So what I thought what i would have to do is add the 188,000...

**Social Studies**

That is not a valid link

**Social Studies**

Hi, I'm having a really hard time understanding this concept. I know the answers because my teacher told us them but I don't know why they are the answers. Could you explain them please? 1. Professor Roth's rule is that any student who uses a cell phone in class ...

**science**

If exponential growth occurs in the population of a species of predator, the population of its prey will most likely decrease quickly. increase slowly. stay the same. experience exponential growth.

**Physics**

A 300g particle oscillating in SHM travels 11cm between the two extreme points in its motion with an average speed of 65 cm/s. a) Find the angular frequency b)The maximum force on the particle c)The maximum speed

**Science**

Describe one observation astronomers use to show that the universe is expanding

**Science**

-Explain how and when the universe formed according to the big bang theory? -Explain how and when our solar system formed? -Describe one observation astronomers use to show that the universe is Expanding?

**maths/physics**

4. Write down a diﬀerential equation to express each of the following relationships: (a) The rate at which the volume of a sphere changes with radius is proportional to the square of the radius. (b) Gravitational attraction F between two given bodies of masses m1 and m2...