# Posts by Stacey

Total # Posts: 368

**Chemistry 101**

Determine the mass aluminum chloride , alcl3 produced when 112.3 g of chloride gas, cl2 is used

**rio mesa**

The difference of three times a number and 44 is ?19?19

**CONSUMER MATH**

Your total bill at a restaurant is $24.89. You were very pleased with your service, so you decide to leave a 20% tip. What is the amount of the tip you will leave your waiter?

**Us History**

how can the great depression in the US give rise to dictators like Hitler and Mussolini?

**ed tech HELP PLS**

C A D

**maths**

At the party,half the guests had left by 10pm. half the remaining guests left about 11pm.the last 6 stayed until midnight how many guests were at the party

**Social studies**

Explained three what's why a newly couple would delay their first child

**Social Studies**

*Plantation owners

**Social Studies**

Why were backcountry colonist more self significant than plantation?

**math**

why might you want to round to the nearest hundred rather than the nearest ten?

**Pre-Algegra**

5(x - 1) + -3x + 6 =9 check plz x = 4??

**Math**

WhT is there relationship between the lines having the equations y=4x+2 and y=1/4x? Is it because they are neither parallel nor perpendicular?

**Language arts**

A C A A C D C A C A A A Essay C C A B

**Algebra**

bacteria triples in size every 5 hours. the inital population is 125 cells what will the population be after 15 hours? 25 hours?

**Chemistry**

A swimming pool, 10.0 m by 4.0 m, is filled with water to a depth of 3.0 m at a temperature of 20.2°C. How much energy is required to raise the temperature of the water to 24.0°C?

**Physics**

A boy weighing 3.9 102 N jumps from a height of 2.15 m to the ground below. Assume that the force of the ground on his feet is constant. a) Compute the force of the ground on his feet if he jumps stiff-legged, the ground compresses 1.80 cm, and the compression of tissue and ...

**Physics**

When a 0.111 kg mass is suspended at rest from a certain spring, the spring stretches 3.90 cm. Find the instantaneous acceleration of the mass when it is raised 6.20 cm, compressing the spring 2.30 cm.

**Mechanics NYA**

Assume you are driving a car at a constant speed of 75.0 km/h. Suddenly you see a deer standing on the highway and you must put on the brakes. Your reaction time (time elapsed between the moment you see the deer and your foot hitting the brakes) is 0.116 sec. The brakes ...

**Math**

A manufacturer has determined that the weekly profit from the sale of x items is given by the function below. It is estimated that after t days in an week, x items will have been produced. Find the rate of change of profit with respect to time at the end of 7 days. P9x) = -x^2...

**Math**

A manufacturer has determined that the weekly profit from the sale of x items is given by the function below. It is estimated that after t days in an week, x items will have been produced. Find the rate of change of profit with respect to time at the end of 7 days. P9x) = -x^2...

**Calculus**

A manufacturer has determined that the weekly profit from the sale of x items is given by the function below. It is estimated that after t days in an week, x items will have been produced. Find the rate of change of profit with respect to time at the end of 7 days. P9x) = -x^2...

**English**

It depends on what you're trying to say... I think determine or identify would work best with the information that I have. Determine - This means you're trying to pin point what's going on Identify - This means you really don't have a clue, but you're going...

**MATHS**

A) 310 It is given that there were 124 stamps from Australia. She had 12 fewer stamps from Japan, than Australia. So, subtract 12 from 124 and you get 112. Then, you know that 30% of the total was from France. B)149

**chemistry**

Answer the following questions based on this reaction: Pb(NO3)2 (aq) + 2 NaCl (aq) --> PbCl2 (s) + 2 NaNO3 (aq) a) If 225 mL of 12.95 M Pb(NO3)2(aq) are reacted with a solution made with 5.05 g of NaCl (aq), how many grams of lead (II) chloride will be precipitated b) If ...

**chemistry**

If 80.0 g of bromine is added to 40.0 g of sodium, a) what is the limiting reactant? b) what is the excess mass of the reactant? c) what is the mass of product?

**Math**

If f (x)=x+2 , g(x)=-4x+3, and h(x)=x^2-2x+1, find each value. 1. (f x g x h) (3) 2. (h divided by fg) (-6) 3. [ g o ( h o f)] (-4) If f(x)=5x , h(x)=x^2+6x+8 , solve f[h(a+4)]

**Algebra**

A shop sells coffee and donuts. The coffee sells for $4.31 and donuts for $0.83 apiece. The cost to produce a cup of coffee is $1.50 and the cost to make a donut is $0.76. In month 1 the quantity of coffee sold is 1,283 and donuts sold was 216. In month 2 the quantity of ...

**health**

1. What is the ideal length of time for a cool-down following an intense workout?

**math**

6*6 = 36 8*8 = 48 You have your ratio wrong. The numerator and denominator have to both be equally multiplied by the same number. So the answer is 36:48 because 6*6=36 and 8*6=48.

**Help with differential eqs problem???? (Calculus)**

Consider the differential equation dy/dt=y-t a) Determine whether the following functions are solutions to the given differential equation. y(t) = t + 1 + 2e^t y(t) = t + 1 y(t) = t + 2 b) When you weigh bananas in a scale at the grocery store, the height h of the bananas is ...

**science**

Part 1: distance: Distance - d=ct Echo time- 10 ms 1540 m/s x .01s = 15.4 m 15.4/2 = 7.7m PRF: PRF = c/2D 1540 m/s / (2 x 7.7 m) =1540 m/s / 15.4 m =100 s PRP: PRP = 1/PRF 1/100 HZ = .01s Period: Period - T= 1/f 1/5 MHZ =.2 us PD: PD= nT 3 cycles x .2 us = .6 us DF: DF= PD/PRP...

**health**

6. ________ is an effective classroom management strategy to help prevent dental cavities. (1 point) Flossing at least once per week Teaching children about plaque and fluoride Using sour candy to make children salivate Serving 100% fruit juice as a snac

**please help english**

8. For question 8, identify which sentence below contains an infinitve phrase used as a noun. (1 point) The girls love to swim at Julie’s house. Susan is trying hard to forget. My group was the last to finish. Jane’s goal to win is extreme

**please check my english**

3. In "The Destructors," which of the following best describes how Blackie feels about T's new role as gang leader? (1 point) resentful curiosity skeptical obedience unwavering support overwhelming resignation 4. Which of the following quotes from "The ...

**english**

my answer is C

**english**

3. In "The Destructors," which of the following best describes how Blackie feels about T's new role as gang leader? (1 point) resentful curiosity skeptical obedience unwavering support overwhelming resignation

**english**

3. In "The Destructors," which of the following best describes how Blackie feels about T's new role as gang leader? (1 point) resentful curiosity skeptical obedience unwavering support overwhelming resignation 4. Which of the following quotes from "The ...

**english**

3. In "The Destructors," which of the following best describes how Blackie feels about T's new role as gang leader? (1 point) resentful curiosity skeptical obedience unwavering support overwhelming resignation 4. Which of the following quotes from "The ...

**chemistry**

The density of silver is 1.050×104 kg/m3. What is the mass of a rectangular ingot of silver with dimensions 1.00 cm × 4.00 cm × 0.780 dm? How do I get started? I really do not understand.

**english**

thanks

**english**

2. Which vocabulary word describes a small sandbar or islet within a river that contains thick brush or trees? (1 point) halter tow-head staving

**english**

so its c

**english**

1. In Adventures of Huckleberry Finn, what was E. W. Kemble hired to do? (1 point) act as Mark Twain’s agent edit the novel illustrate the novel

**college algebra**

7,674

**english**

2. In “Tonight I Can Write,” the poet personifies each of the following except (1 point) the sky. the heart. the soul. the voice

**english**

thank you

**english**

"Tonight I Can Write" 1. Read the following lines from "Tonight I Can Write." Write, for example, The night is starry and the stars are blue and shiver in the distance. The night wind revolves in the sky and sings. Which of the following words is used to ...

**english**

2. In "The Censors," it is ironic that the Censorship Division doesn’t bother to check Juan’s __________ before hiring him. (1 point) mail references health pockets

**writing**

thank you

**writing**

i have to write a compare and contrast essay but i don't know what mt topic should be and ideas

**health**

2. ________ was the more effective policy in reducing the risk for injury and fatality in the early childhood setting according to a recent study. (1 point) Requiring teachers to have more experience Requiring directors to have more experience Requiring teachers to have more ...

**health**

so its D

**health**

8. ________ is the most common and preventable chronic disease in childhood. (1 point) The common cold Cystic fibrosis Hypertension Dental caries

**health**

is it D

**health**

and my answer is B

**health**

9. Which of the following best describes the purpose of the publication Caring for Our Children: National Health and Safety Performance Standards: Guidelines for Out-of-Home Child Care Programs? (1 point) to set immunization requirements and licensing regulations to specify ...

**health**

thank you

**health**

10. Stricter standards intended to improve the health and safety of children in early childhood settings may instead put some children at higher risk because (1 point)implementing more rigorous safety standards tends to increase the cost of care. children engage in more risky ...

**health**

so it is b

**health**

sorry do is it b

**health**

do its d

**health**

but it says that which is not effective for prevention disease

**health**

i think its c

**health**

6. Which of the following policies would not be effective for disease prevention? (1 point) specifying times and techniques for hand-washing requiring daily cleaning of restrooms mandating inclusion of children who are ill denying admission to non-immunized children

**health**

thank you

**health**

a daycare program

**health**

What is a program-specific regulation? (1 point) Participation is voluntary, but its regulations are mandatory. Participation and regulations are mandatory. Only certain programs must participate. Only certain programs must follow its regulations

**health**

1. Compared to early childhood teachers, the National Health and Performance Standards recommend that directors have (1 point) the same qualifications. more advanced educational degrees. more experience teaching children. more pediatric and CPR training.

**math**

thank you

**math**

so now it would be the reason that the compass opening has to be greater than 1/2 of the segment is so it can make arcs. and the arcs would have to cross in the middle so that when go to draw the line it would be straight.

**math**

in the middle

**math**

i don't know how to finish it

**math**

so i would answers it like.... the reason that the compass opening has to be greater than 1/2 of the segment is so it can make arcs.

**math**

i don't get why the compass has to be open more than 1/2 the length segment

**math**

can you explain it to me

**math**

i don't get it

**math**

8. When constructing a perpendicular bisector, why must the compass opening be greater 1/2 than the length of the segment?

**Math**

252

**math**

if 3+x / 7+x = 3/7 + 3/7, then x= what

**English**

To avoid using unnecessary colons, use the colon only after a/an

**statistics**

It is known that the population mean for the Full Scale IQ of the WAIS is 100 with a standard deviation of 15. A researcher assesses a sample of 200 adults and find that they have a mean Full Scale IQ of 102. The point estimate of the mean for this group is ___________ and the...

**Math**

8 inches-4 3/4 inches=3 and 1/4 inches left

**math**

Draw a line down the middle. Then 1 across. Next draw an x through the square. This should give you 8 parts.

**statistics**

The mean score for all individuals who took the Law School Admission Test (LSAT) in 2010 was 155 and the standard deviation was 7. What is the z score for a person, who received an LSAT score of 167? a. +1.71 b. +1.64 c. +1.74 d. -1.71 What is the raw score for a person with a...

**pol201**

4.federal courts supersede state courts

**pol201**

5.the supreme court can invalidate laws of Congress 6. ending racial discrimination and achieving voting rights 7.to provide a fair advantage to defendants 8.each state would still be able to decide for itself whether it recognizes gay marriage or not

**pol201**

Question 4. 4. A federal court is said to have a “federal question” jurisdiction because (Points : 1) federal courts supersede state courts. all laws are federal. they hear cases that touch the Constitution and other federal laws. they hear cases that only deal with ...

**pol201**

Marbury v. madison

**pol201**

Which case established the precedent of the U.S. Supreme Court being able to strike down state laws as unconstitutional? (Points : 1) Marbury v. Madison McCulloch v. Maryland Fletcher v. Peck United States v. Nixon

**pol201**

act providing that the supreme court will issue a writ of mandamus was unconstitutional

**pol201**

Question 2. 2. In Marbury v. Madison, the Supreme Court established the principle of constitutional review by (Points : 1) denying Marbury his right to sue. denying the authority of the President to have made his appointment. claiming that Section 13 of the 1789 Judiciary Act...

**pol201**

a place where decision from state court can be appealed

**pol201**

Question 1. 1. A district court is considered to be (Points : 1) a court that determines the validity of a law. a place where decisions from state courts can be appealed. a court to settle disputes between Congress and the President. a court of original jurisdiction.

**Algebra**

What is the change in Keiko's total pay for each copy of History is Fun she sells? What is Keiko's total pay if she doesn't sell any copies of History is Fun?

**Algebra**

Keiko is a software saleswoman. Let x represent her total pay (in dollars). Let y represent the number of copies of History is Fun she sells. Suppose that x and y are related by the equation 2200+900x=y. Answer the questions below. Note that a change can be an increase or a ...

**Physics**

The acceleration of a particle moving only on a horizontal xy plane is given by a=5ti+6tj, where a is in meters per second-squared and t is in seconds. At t=0, the position vector r=(19.0m)i+(39.0m)j locates the particle, which then has the velocity vector v=(5.70m/s)i+(3.40m/...

**Physics**

For a) I got -4.11 m/s. (This is correct). I am having trouble finding b) though. I only have 2 more attempts and if anyone could help, I would appreciate it.

**Physics**

A particle leaves the origin with an initial velocity v=(3.68i) m/s and a constant acceleration a=(-3.33i-3.72j)m/s^2. When the particle reaches its maximum x coordinate, what are (a) its velocity, (b) its position vector?

**Physics**

I apologize, I meant this for my other question. I got 22.5 for this, but it was wrong. If someone can at least show calculations in getting this, I would appreciate it.