Thursday
July 31, 2014

Posts by Miranda


Total # Posts: 231

Math
A factory produces fuses, which are packaged in boxes of 16. Three fuses are selected at random from each box for inspection. The box is rejected if at least one of the three fuses is defective. What is the probability that a box containing six defective fuses will be rejected?

Philosophy
1. d

chemistry
What is the percent yield of NaCl if 31.0 g of CuCl2 reacts with excess NaNO3 to produce 21.2 g of NaCl?

Algebra
Gustav’s father is seven times as old as he is. A year ago, he was nine times as old as Gustav. Find Gustav’s present age.

7th grade English
Is it themselves

7th grade English
Ok one more I need to ask you. The Great Lakes (they, themselves) are Babe's drinking water.

7th grade English
Use the correct pronoun in parentheses. The book ( it, itself) is a collector's item. Please help. Thanks.

science(please check answers)
@queenelsa #12 is b and #13 is d and yes they are all correct I finished and I got 'em all right!

physics
If my kinetic coefficient and static coefficient are both 1.02, how can I explain why they are the same???? (For a horizontal surface)

Physics
If the gravitational force between objects of equal mass is 2.30x10^-8 N when the objects are 10.0m apart, what is the mass of each object?

chemistry
Actually I solved it - and just to clarify what Dr. bob was doing: dHrxn = (n*dH SO3) - (n*dH SO2) where n is equal to 2 based on the stoichiometric equation 2SO2 + O2 ==> 2SO3 Indeed, Find dHf SO3 and dHf SO2 in tables in your text or notes. Then, the number of moles of SO...

Chem
Dr. Bob, I don't think this is the answer. It's close, but I think there is another step. Could you elaborate on your answer to make it more clear?

Physics
A ball rolling down a hill was displaced at 19.6m while uniformly accelerating from rest. If the final velocity was 5.00 m/s what was the rate of acceptation?

Physics
A projectile is fired off a 35m cliff at 18m/s. what horizontal distance does the projectile travel before hitting the ground?

Physics
a rubber ball is thrown downwards off a balcony. after it travels 55m it has a speed of 46.5m/s. what is the initial velocity

chemistry lab
obtaining a smaller amount of sio2 than was present in the original sample

chemistry lab
list the possible manipulation errors that might contribute in obtaining a significantly larger amount of nacl than was present in original sample

Math
I really don't know the answer?

Science - physics
Ms. Sue I hear you are good with these problems could you be of assistance for this one? Thank you!

Science - physics
Imagine you need to deliver a piano over three steps. A longer ramp translates into less force necessary to raise the piano's height than a shorter ramp would require. Calculate the percentage smaller a force would be required using an 2.8m long ramp compared to a 0.9m ramp?

American Goverment
Despite their differences, the Founding Fathers all agreed that _____. democracy was the most important political value the Constitution should balance order, liberty, and popular sovereignty freedom must be protected at all costs a monarchy should be established to ensure orde

American Goverment
Philadelphia, Pennsylvania was NOT _____. the location the 1787 Constitutional Convention. the city where the Declaration of Independence was signed the childhood home of Thomas Jefferson and John Adams an important city in colonial America 22. For the first eleven years of it...

chemistry
The H3o+ concentration of a solution is found to e 3.40*10^-6. What is the pH of the solution? what is the H3O+ concentration? what is the OH- concentration? is this and acidor a base?

chemistry
If 37.0 mL of HCl is used to neutralize 25.0 mL of 0.09345M LiOH. What is the concentration of the acid

chemistry
If 37.0 mL of HCl is used to neutralize 25.0 mL of 0.09345M LiOH. What is the concentration of the acid

chemistry
If 7.50 mL of 0.100M HCl is mixed with 12.5mL of NaOH. What is the concentration of the base

Science
300 mm Hg

Physical sciences
What is the universal law?

poetry
What is the authors tone in the poem arithmetic?

math
the product of 16 and c is increased by 6 to equal the qoutient 25 and 9. what is c?

physics
A collision occurs between two pucks on an air-hockey table. Puck A has a mass of 0.020 kg and is moving along the x axis with a velocity of +5.5 m/s. It makes a collision with puck B, which has a mass of 0.040 kg and is initially at rest. The collision is not head-on. After t...

Physics
A 4.90-kg ball, moving to the right at a velocity of +2.50 m/s on a frictionless table, collides head-on with a stationary 8.00-kg ball. Find the final velocities of the balls if the collision meet the following conditions. (a) elastic 4.9-kg ball = 8-kg ball = (b) completely ...

Algebra 1
thank you!!

Algebra 1
ignore the w= l + 6= < 36!!

Algebra 1
Okay one last one that I've spent all night truing to figue out. 2. The width of a rectangle is 6 cm longer than its length. Its perimeter is more than 36 cm. Let l equal the length of the rectangle. a. for the width in terms of the length. W= l + 6= <36 b. Write an ine...

Algebra 1
So as I was doing me hw, I ran into this question, and I cant figure it out... Anyone wanna try? 7. The ratio of the perimeters of two triangles is 2:5. The perimeter of the larger triangle is 20 cm. What is the perimeter of the smaller triangle?

Algebra 1
Okay. So I am completely lost with this... Any help would be great! 3. Solve the system using any method – graphing, substitution, or linear combination. Make sure to show your work. 2x + 5y= 8 x + 3y= 2

Calculus
the area of the first quadrant region bounded by the y-axis, the line y=4-x and the graph of y=x-cosx is approximately: a) 4.50 square units, b) 4.54 square units, c) 4.56 square units, d) 4.58 square units, e) 5.00 square units

calculus
A ball is thrown vertically upwards from a height of 6 ft with an initial velocity of 60 ft per second. How high will the ball go? Note that the acceleration of the ball is given by a(t)= 32 feet per second per second.

geometry
What is the endpoint of a segment with endpoints -33 and 47?

physics
You drive a car for 2.0 h at 35 km/h, then for another 2.0 h at 64 km/h. (a) What is your average velocity? (b) What is your answer if instead you drive 99 km at each of the two speeds?

physics
An engineer must design a runway to accommodate airplanes that must reach a ground velocity of 60 m/s before they can take off. These planes are capable of being accelerated uniformly at the rate of 2.1 m/s2. (a) How long will it take the planes to reach takeoff speed? s (b) W...

physics
Engineers are developing new types of guns that might someday be used to launch satellites as if they were bullets. One such gun can give a small object a velocity of 2.9 km/s, moving it through only 1.6 cm. (a) What acceleration does the gun give this object? (b) Over what ti...

physics
A supersonic jet flying at 137 m/s is accelerated uniformly at the rate of 23.1 m/s2 for 20.0 s. (a) What is its final velocity? (b) The speed of sound in air is 331 m/s. How many times the speed of sound is the plane's final speed?

physics
You drive a car for 2.0 h at 35 km/h, then for another 2.0 h at 64 km/h. (a) What is your average velocity? (b) What is your answer if instead you drive 99 km at each of the two speeds?

physics
A car is moving down a street at 51 km/h. A child suddenly runs into the street. If it takes the driver 0.62 s to react and apply the brakes, how many meters will the car have moved before it begins to slow down?

physics
A car with a velocity of 19 m/s is accelerated uniformly at the rate of 1.8 m/s2 for 6.8 s. What is its final velocity?

physics
A car with a velocity of 19 m/s is accelerated uniformly at the rate of 1.8 m/s2 for 6.8 s. What is its final velocity?

4th grade math
im stipus

government
Ms Sue those are all my choices i have read and read but cant find my answer but i think B C D might be the answer are one of them the answerws

Chemistry
The mass of a single uranium atom is 4.70E-22 grams. How many uranium atoms would there be in 167 milligrams of uranium?

Physics
11486N. Find velocity 24/0.14= 171.4m/s^2 Then F=MA 171.4*67=11485.71

Math
Mr. Frank is shopping for carpet for his living room and dining room. The living room is 20 feet by 16 feet and the dining room is 11 feet by 10 feet. He looked at two differently priced carpets. One for $14.99 a square yard installed and another for $19.99 a square yard insta...

Math
Thank you

Math
Conrad taxi service charges $1.50 for the first mile and $0.90 for each additional mile. How far can Mr. Kulp go for $20 if he gives the driver a $2 tip. Write a let statement; represent the additional miles in terms of the total travelled. Write an equation... Is ithe answer ...

grade six math
7,555,333

American Government
True or False? About 75 % of those eligible to vote did so in the 2000 presidential election?

Math
Last week Frank worked as a waiter for 6&1/4 hrs, earning $9.80 per hour. He also earned $14.50 per hour delivering packages for 7&1/2 hours. How much money did he earn last week?

Math
Casey paid $45 for one new tire and one used tyre for his bicycle. The new tire costs $17 more than the used tire. How much did the new tire cost? I have worked out the answer in my head, ($31) but is there a particular formula I can use or follow.

childcare
I guess no1 wants 2 answer me Thanks anyways

childcare
Can any1 let me know if my answers are correct

childcare
My Answers are-- 1.d 2.d 3.c 4.b 5.a

childcare
1. A child who moved from throwing a ball using only an elbow movement to throwing a ball using her elbow, wrist, and shoulder is showing signs of ______development. a.intertask b.spatial c.joint-plate d.intratask 2. According to Leeds, at snack time, children should be given ...

Living a Healthy Life
I mean d.

Living a Healthy Life
My answer was c

Living a Healthy Life
Some child psychologists have concluded that _________ is the strongest predictor of both scholastic and career achievement. a.physical illness b.respect for authority c.emotional well being d.inherted intelligence

child care
Some child psychologists have concluded that _________ is the strongest predictor of both scholastic and career achievement. a.physical illness b.respect for authority c.emotional well being d.inherted intelligence My answer-d

Living a Healthy Life
Thank you for you help

Living a Healthy Life
children should not be served drinks in containers made of... a. styrofoam b. uninsultated paper c. treated ceramic d. stainless steal My Answer is... b.

Living a Healthy Life
It doesnt make sense for it to be any, a. b. or d

Living a Healthy Life
Im confussed

Living a Healthy Life
In my book it says Biological Hazards are Arachnids,Spiders make up the majority of these

Living a Healthy Life
Is it Biological?

Living a Healthy Life
1.When playing outside, children should wear protective clothing and play in shaded areas to a.avoid radiation from sunlight b.avoid being stung or biteen by insects c.prevent attacks of scabies d.stay cool and maintain psychological My Answer - C 2. What type of hazard is a s...

Living a Healthy Life
2.Temperatures in child care education setting should be set at __ in the summer and __ in the winter. 1. 55 to 65, 65 to 85 2. 60 to 63, 70 to 73 3. 68 to 72, 65 to 75 4. 72 to 80, 70 to 80 My answer is... 2. 60 to 63,70 to 73 Pls let me know if this is correct Thank you

Algebra
The bus stations in Trawlwy and Fenton are 220 miles apart. A bus left Trawley for Fenton at 9:00am. Traveling at 40 miles per hour. One hour later, an express bus left Fenton for Trawley traveling along the same road at 50 miles per hour. At what time did the buses pass each...

Math
The bus stations in Trawlwy and Fenton are 220 miles apart. A bus left Trawley for Fenton at 9:00am. Traveling at 40 miles per hour. One hour later, an express bus left Fenton for Trawley traveling along the same road at 50 miles per hour. At what time did the buses pass each...

Algebra
The bus stations in Trawlwy and Fenton are 220 miles apart. A bus left Trawley for Fenton at 9:00am. Traveling at 40 miles per hour. One hour later, an express bus left Fenton for Trawley traveling along the same road at 50 miles per hour. At what time did the buses pass each ...

Algebra
Thanks. Typing is correct .. Question is flawed. Will let teacher know. Appreciate your help!

Algebra
Using that equation it comes up to $5.70 not $5.80..?

Algebra
In Vanessa's coin bank there are 4 times as many quarters as nickels, 2 fewer dimes than nickels, and 15 pennies. The total amount in the bank is $5.80. How many of each coin are in the bank? A. Assign a variable to the unknown quantity. B. Write an equation you can use to...

algebra
For what value (s) of P could the expression 100 divided by P squared minus 16 NOT be evaluated? Explain how you arrived at your answer?

calculus
5.6

english IV
no. Although her personality had not changed at all, are italicized. whats the structure?

Chemistry
THANK YOU!!

Chemistry
1. Tube # 3: (a) It started out as purple, and turned into green. (b) No precipitate was noticably formed. Tube #4: (a) This tube was purple, and turned into white. (b) A brown precipitate was formed after adding 1 mL of NaHSO3. Tube #5: (a) This tube was also purple, but then...

math 7th grade
What does it mean to ring four integers that yield a sum. The sum is 2.

hospitality
why and when you whip eggs?

US History
Flow chart. One Box then two boxes then 6 boxes. The words are: Freedom of Religion Freedom of Speech Involvement in Government Obey The Law Respect the Rights of Others responsibilities right to vote rights. Don't know how to put the flow chart together. It falls under go...

poetry
THE GAME OF SOCCER Stadium overcrowded by hooligans and fans Cheering, waving flags, and clapping their hands Players on the field, they’re ready to start There goes the whistle; it pumps up their hearts Adding strength to the ball, and kicking it high The ball travels ov...

8th Grade Math
630000000 4.7 X 10^-7

math
If I have 4 sides of a square and I take out 3 1/2 what do i have left? it has to be a whole

social studies, civics
THANK YOU SO MUCH!

social studies, civics
Thank you! do you have any advice on how to organize it? i want it to be a good speech.. but i am so lost!

social studies, civics
so i have to write a paper pretending to be a republican candidate, and trying to get my class members to vote for me. I really have no idea how to do this /: any ideas?

History
thanks everyone!

History
what did conscientious objectors do during world war one

Chem (last question, I promise)
You measure one edge of a cube using a meter stick marked in centimeters. Unfortunately, the edge is longer than 1 m. You mark the 1-m point on the cube edge with a pen and then, using a 15-cm ruler marked in millimeters, measure the remaining distance to be 1.40cm. (a) What i...

Chemistry
Ooooh, thats easy enough. Thanks a million =]

Chemistry
How do you do this? A block of metal measuring 3.0 cm X 4.0 cm X 5.0 cm has a mass of 470.0g. What is the density of the metal in grams per cubic centimeter?

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