Saturday

January 21, 2017
Total # Posts: 577

**Physics**

A 36-kg girl is bouncing on a trampoline. During a certain interval after she leaves the surface of the trampoline, her kinetic energy decreases to 185 J from 460 J. How high does she rise during this interval? Neglect air resistance.

*October 3, 2014*

**Physics**

A 7300-kg satellite has an elliptical orbit, as in the figure. The point on the orbit that is farthest from the earth is called the apogee and is at the far right side of the drawing. The point on the orbit that is closest to the earth is called the perigee and is at the far ...

*October 3, 2014*

**College algebra**

There were 40,000 people at a ball game in Los Angeles. The days receipts were 298,000. How many people paid $12.00 for reserved seats and how many paid $5.00 for general admission?

*October 1, 2014*

**Reading/language arts**

Write a sentence for the given topic, using a form of one of the following linking verbs in each sentence: smell, sound, feel, taste, grow. Use at least one predicate noun or predicate adjective in each sentence. 1) (dificulty or ease of writing) can you please help me by ...

*September 27, 2014*

**US History**

truck drivers

*September 27, 2014*

**Physics**

Consider two spherical stones with same density (mass per unit volume). The larger stone has radius R = 8.58 cm and the smaller stone has radius r = 3.37 cm. Find the ratio of the terminal speed in air of the larger stone to that of the smaller stone.

*September 25, 2014*

**Physics**

13.36 m/s^2

*September 25, 2014*

**Physics**

Air rushing over the wings of high-performance race cars generates unwanted horizontal air resistance but also causes a vertical downforce, which helps the cars hug the track more securely. The coefficient of static friction between the track and the tires of a 650-kg race car...

*September 25, 2014*

**Physics**

Vx=Ux+at Vx=16.1-(.65*9.81)(1.2) Vx=8.4482

*September 25, 2014*

**Physics**

Traveling at a speed of 16.1 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.650. What is the speed of the automobile after 1.20 s have elapsed? Ignore the effects of ...

*September 25, 2014*

**math**

using comparative thinking which equations are true a.50+64=62+48 b.50+64=62+62 c.50+64=124+52 d.50+64=66+52

*September 24, 2014*

**PHYSICS**

The weight of an object is the same on two different planets. The mass of planet A is only thirty-five percent that of planet B. Find the ratio rA/rB of the radii of the planets.

*September 20, 2014*

**Physics**

An electron is a subatomic particle (m = 9.11 10-31 kg) that is subject to electric forces. An electron moving in the +x direction accelerates from an initial velocity of +5.06 105 m/s to a final velocity of +2.03 106 m/s while traveling a distance of 0.034 m. The electron'...

*September 20, 2014*

**physics**

A spider crawling across a table leaps onto a magazine blocking its path. The initial velocity of the spider is 0.850 m/s at an angle of 34.3° above the table, and it lands on the magazine 0.0780 s after leaving the table. Ignore air resistance. How thick is the magazine? ...

*September 13, 2014*

**Physics**

Two stones are thrown simultaneously, one straight upward from the base of a cliff and the other straight downward from the top of the cliff. The height of the cliff is 5.53 m. The stones are thrown with the same speed of 8.62 m/s. Find the location (above the base of the ...

*September 13, 2014*

**Physics**

How long is Mayra, a ballerina, in the air when she leaps striaght up with a speed of 1.23 m/s?

*September 11, 2014*

**US Government**

What regulates the electronic media, except the Internet?

*July 9, 2014*

**MAT 222**

-10 < -2 + 8x < 22 compound inequalities

*June 23, 2014*

**Chemistry**

how many moles of oxygen are needed to react with 3.5 moles of isopropyl alcohol, C3H7OH

*June 5, 2014*

**Multiple Choice**

Physics 2. Which of the following is equivalent to one ampere? (Points : 1) 10 s/10 C 10 C/10 m 1.5 C/1.5 s 15 C/10 s Question 3.3. A stream of moving charges results in a current of 5.6 A. How long does 116 C of charge take to flow past a fixed point? (Points : 1) 2.0 s 5.6 s...

*May 8, 2014*

**science**

The amplitude is given in the equation = .30

*May 1, 2014*

**math**

write and solve an equation to find the missing dimension of the rectangular prism. Volume= 1km cubic L=3/4 km W=2/3 km H= ?

*April 28, 2014*

**Biology**

your welcome

*April 28, 2014*

**Biology**

yes its hard to pick between b and d.

*April 28, 2014*

**Math**

0.30 rounded

*April 28, 2014*

**Math**

7x7x2=28 cubic inches

*April 28, 2014*

**Math**

A calendar that has one page per day is 7 inches long, 7 inches wide, and 2 inches high. What is the volume of one page of the calendar? Round your answer to the nearest thousandth.

*April 28, 2014*

**Math**

help MS.SUE

*April 28, 2014*

**Math**

what happens to the volume of a rectangle if you multiply the length, the width, and the height by 2?

*April 28, 2014*

**Math**

HELP!!!!!!!!!!!!!!!!!!

*April 28, 2014*

**Math**

What happens to the volume of a rectangular prism length, the width, and the height by 2?

*April 28, 2014*

**math**

HELP PLS I NEED TO DO HOMEWORK.

*April 28, 2014*

**math**

A cube with side length 4 centimeters is 25% full of sand.What is the volume of the sand?

*April 28, 2014*

**Math**

A filling cabinet is 35 centimeters by 70 centimeters by 115 centimeters. The bottom drawer is 30% of the volume of the filling cabinet. What is the volume of the bottom drawer?

*April 28, 2014*

**reading**

YES good job! Nice Essay! i would give it an A+

*April 28, 2014*

**reading**

i would add "Many woman suffer but Ida Tarbell changed that".

*April 28, 2014*

**reading**

youre right i agree

*April 28, 2014*

**Science**

1. How does sea-floor spreading occur? A. New materials are being added to the asthenosphere. B. Earthquakes brake apart the ocean floor. C. Sediments accumulate at the area of spreading. D. Molten material beneath Earth's crust rises to the surface.*

*April 22, 2014*

**math**

The director of the center has asked you to design a garden. The director has asked you to design different sections of the garden that meet the following: Section 1 must be shaped like a square. Section 1 must have an area between 26 square feet and 50 square feet. section 2 ...

*April 13, 2014*

**chemistry**

You need to determine the concentration of a sulfuric acid solution by titration with a standard sodium hydroxide solution. You have a 0.1896 M standard solution. You take a 25.00 mL sample of the original acid solution and dilute it to 250.0 mL. You then take a 10.00 mL ...

*April 11, 2014*

**science**

Describe DNA replication in prokaryotes. Include the major steps for origins of replication, unwinding DNA, and synthesis of new strands. Include at least 1 simplified diagram.

*April 8, 2014*

**science**

Using your knowledge of physiology, genes and evolution, discuss organism adaptations to the environment using clear and specific examples.

*April 8, 2014*

**science**

22. Given that humans thermoregulate, explain why your skin is cooler than your body core.

*April 8, 2014*

**Math**

Monique is making cookies for the pajama party at her house. She has 3-1/2 cups of sugar. The recipe calls for 3/4 cup of sugar for one batch of cookies. Write an equation that can be used to find c, the total number of batches of cookies she can make.

*April 7, 2014*

**Math**

What is the distance between (-2,-5) and its reflection over the x-axis?

*April 7, 2014*

**Math**

thanks

*April 7, 2014*

**Math**

At a baseball stadium, every eighth person received a coupon for free popcorn. Every thirtieth person received a free hot dog. WHich person was the first to receive both free gifts?

*April 7, 2014*

**Physics**

All I'm looking for is confirmation that I correctly solved the problem. I know that I can use the formula: λ(wavelength) = v/f When I put in the numbers it gives me 5.666666666666667, which I then round up to 5.7. Is 5.7m the correct answer?

*March 19, 2014*

**Physics**

Bats chirp at a high frequency which humans cannot hear. They use the echoes to detect small objects, such as insects, as small as one wavelength. If a bat were to emit a chirp at a frequency of 60.0 kHz and the speed of sound waves in the air are 340 m.s, what is the size in ...

*March 19, 2014*

**chemistry**

thank you!

*March 17, 2014*

**chemistry**

A laboratory instructor gives you a test tube containing Ag+ ,Ba 2+ , and Cu 2+ ions. Devise a reaction scheme that would allow you to selectively precipitate each of these ions. Write a balanced net ionic equation for each precipitation reaction.

*March 17, 2014*

**social studies**

Kyle you shouldnt just give the answers away they need to understand it and why it is that answer. 1. A. because in the western part of colombia you find the cool mountain ranges. 2. C. because a cordillears is very parallel and it has a 3 way mountain range that you can find ...

*March 17, 2014*

**8th Grade Science (Periodic Table)**

1.a 2.b,c,d 3.a 4.b,d 5.a,d,e These are the correct answers. I learned the hard way. Always look your own up and not get in a hurry and trust someone else's answers.

*March 13, 2014*

**college chemistry**

Copper(II) sulfide reacts with oxygen to produce copper (II) oxide plus sulfur dioxide. Suppose you start this reaction with 50.0 grams of copper(II) sulfide and 50.0 grams of oxygen and you actually produce 33.5 grams of copper(II) oxide. Calculate the percent yield for the ...

*March 5, 2014*

**chemistry**

Copper(II) sulfide reacts with oxygen to produce copper (II) oxide plus sulfur dioxide. Suppose you start this reaction with 50.0 grams of copper(II) sulfide and 50.0 grams of oxygen and you actually produce 33.5 grams of copper(II) oxide. Calculate the percent yield for the ...

*March 5, 2014*

**science**

Two forces of 5 N and 12 N respectivlely act on the same point. Show how to determine the magnitude of the resultant by using the tail to head and tail to tail methods and pythagoras theorem.

*February 22, 2014*

**civics**

In the Battle of _______, a disastrous charge against forces holding Cemetery Ridge led to Confederate defeat.

*February 20, 2014*

**Math**

Never mind, I figured it out myself!

*February 5, 2014*

**Math**

P.S. Double Bogey +2 Bogey +1 Par 0 Birdie −1 Eagle −2 (you might need this)

*February 5, 2014*

**Math**

I don't really understand this, could someone help me solve it? a) In her ﬁrst round as a professional golfer, Michelle Wie made 12 pars, 4 birdies, and 2 bogeys. Refer to the chart of golf terms on page 336. How many strokes above or below par was she that round? b...

*February 5, 2014*

**Math**

A) 1/4 B) 1.25 pounds C) 8 Ounces (oz)=1 pound,approx 1.6 or 1.7 pounds per bird feeders. See if you can figure this on your own

*February 5, 2014*

**computer Science**

17 You purchase a used optical drive from a second and store replace a single optical drive that has gone bad on your desktop. How would you set the jumper? a. Single b. Cable select c. Master d. Slave

*February 3, 2014*

**computer Science**

17 You purchase a used optical drive from a second and store replace a single optical drive that has gone bad on your desktop. How would you set the jumper? a. Single b. Cable select c. Master d. Slave

*February 3, 2014*

**computer Science**

14 Your brother is going to serve in the military overseas for four years and asks you about storing his computer in a public storage facility while he is away. The storage unit is not temperature controlled. What could be the negative impact of doing this? a. The internal ...

*February 3, 2014*

**computer Science**

14 Your brother is going to serve in the military overseas for four years and asks you about storing his computer in a public storage facility while he is away. The storage unit is not temperature controlled. What could be the negative impact of doing this? a. The internal ...

*February 3, 2014*

**Science**

and also how? (if it even does)

*February 2, 2014*

**Science**

Does foam prevent convection? If not, what does it prevent? (radiation and conduction)

*February 2, 2014*

**computer Science**

20 You are trying to boot your computer but your computer keeps displaying a message after the POST that says â€œ'invalid specificationâ€. What does the error mean?â€ a. an attempt to overclock the primary drive has failed...

*January 28, 2014*

**computer Science**

18 You started your new job as a PC tech and are at a customerâ€™s house. The computer has failed to boot. The fan is running but the POST fails every time. What is the best thing to do to possibly find quickly? a. Check the electrical outlet the computer is ...

*January 28, 2014*

**computer Science**

20 You are trying to boot your computer but your computer keeps displaying a message after the POST that says â€œ'invalid specificationâ€. What does the error mean?â€ a. an attempt to overclock the primary drive has failed...

*January 22, 2014*

**psychology**

20 You are trying to boot your computer but your computer keeps displaying a message after the POST that says â€œ'invalid specificationâ€. What does the error mean?â€ a. an attempt to overclock the primary drive has failed...

*January 22, 2014*

**Also in connexus**

THE OTHER CONNEXUS PERON IS RIGHT!@!!!

*January 20, 2014*

**Discrete Math**

A bag contains 5 red marbles, 4 yellow marbles, 3 green marbles, 2 orange marbles and 2 purple marbles. If three marbles are removed, what is the probability that at least one of them is red?

*January 19, 2014*

**Math**

Ignore this one, I accidently posted a second one

*January 12, 2014*

**Math**

How would you find the area of a shape shaped like a candy cane?

*January 12, 2014*

**Math, area**

Ok, thanks!

*January 12, 2014*

**Math, area**

one of those oval shaped, racecar/track and field tracks

*January 12, 2014*

**Math, area**

Along with this question, how would you find the area of the outer-part of a racing track?

*January 12, 2014*

**Math, area**

How would you find the area of a shape shaped like a candy cane?

*January 12, 2014*

**math**

5 quarters (1.25)+23 dimes(2.30)

*January 12, 2014*

**social studies**

I was wondering, what are some similarities between Hudson Bay Company and the Northwest Company

*January 7, 2014*

**math help please...**

1.You want to use the interval method to solve a rational inequality. Explain how to find the intervals. 2.Explain how the interval method works. 3.Explain in your own words what a reciprocal function is.

*January 6, 2014*

**thank u steve**

thanks

*January 6, 2014*

**someone help me fast please...**

someone do it fast please i need it tomorrow, please do it.

*January 6, 2014*

**math**

1.How is the maximum or minimum point of the original quadratic function related to the maximum or minimum point of its reciprocal function? 2.How can you use the leading coefficient of the original quadratic function to tell you whether its reciprocal will have a maximum or ...

*January 6, 2014*

**geometry**

what is the area of a hexagon with a base of 11m to the nearest whole number?

*January 3, 2014*

**math**

spencer morris works in the telemarketing division for a company that pays a salary of $735 per hour plus a commission of 3 1/2 of all sales greater than $15,500. if he sold $45,900 last month. what was his total gross pay? weggy

*December 27, 2013*

**statistics**

A student union wants to obtain a 90% confidence interval for the proportion of “full time” students who hold a part-time job for 20 hours or more per week. For this purpose, they want to interview a sample of full-time students. They want a margin of error to be at ...

*December 20, 2013*

**MATH Statistics**

A student union wants to obtain a 90% confidence interval for the proportion of “full time” students who hold a part-time job for 20 hours or more per week. For this purpose, they want to interview a sample of full-time students. They want a margin of error to be at ...

*December 20, 2013*

**statistics 3.**

A student union wants to obtain a 90% confidence interval for the proportion of “full time” students who hold a part-time job for 20 hours or more per week. For this purpose, they want to interview a sample of full-time students. They want a margin of error to be at ...

*December 17, 2013*

**statistics 4.**

The manufacturer of Porshe 918 Spyder car claims that their car can go from 0 mph to 60 mph speed in less than 2.5 seconds. To test this claim, a sample of 40 new cars of this type were driven and their average 0-60 mph time was 2.6 seconds with a standard deviation of 0.5 ...

*December 17, 2013*

**statistics 3.**

A student union wants to obtain a 90% confidence interval for the proportion of “full time” students who hold a part-time job for 20 hours or more per week. For this purpose, they want to interview a sample of full-time students. They want a margin of error to be at ...

*December 17, 2013*

**statistics 4.**

The manufacturer of Porshe 918 Spyder car claims that their car can go from 0 mph to 60 mph speed in less than 2.5 seconds. To test this claim, a sample of 40 new cars of this type were driven and their average 0-60 mph time was 2.6 seconds with a standard deviation of 0.5 ...

*December 17, 2013*

**Statistics 4**

The manufacturer of Porshe 918 Spyder car claims that their car can go from 0 mph to 60 mph speed in less than 2.5 seconds. To test this claim, a sample of 40 new cars of this type were driven and their average 0-60 mph time was 2.6 seconds with a standard deviation of 0.5 ...

*December 16, 2013*

**Statistics 3**

A student union wants to obtain a 90% confidence interval for the proportion of “full time” students who hold a part-time job for 20 hours or more per week. For this purpose, they want to interview a sample of full-time students. They want a margin of error to be at ...

*December 16, 2013*

**Statistics 2**

The body temperature of healthy human beings can be assumed to have a normal distribution with mean and standard deviation . Body temperature measurements taken from a sample of 130 healthy individuals shows the sample mean temperature to be 98.249O F and ...

*December 16, 2013*

**Statistics**

How would you check the Z table for the first problem?

*December 16, 2013*

**Statistics**

A manufacturing facility produces iron rods whose mean diameter is 2.5 inches with a standard deviation of 0.2 inch. If a sample of 50 metal rods produced by the facility were randomly selected, what is the probability that the mean of these rods will lie between 2.4 inches ...

*December 16, 2013*

**Psychology**

17 Albert Ellis depicts the relationship between irrational belief and negative emotions through use of: a. a contingence contract. b. dialectrical theory. c.the A-B-C model. d. observational learning.

*December 9, 2013*

**Psychology**

4 The big Five in personality theories refers to which of the following? a. a set of functional traits such as neuroticism and openness to experiences. b. the group of personality theorists who criticized Freud's theory as too sexual. c. The effect of positive ...

*November 22, 2013*