# Posts by Sue

Total # Posts: 1,108

**environmental science**

Suppose a trout eats a smelt and then the human eats the trout. About how many of the original 1000 calories contained in the algae reach the human? 30 calories makes it into the smelt so only about 6 calories make it to the humans who ate the smelt.

**government**

what is a green party? A green party is committed to values-based politics as it is expressed in their Ten Key Values that involves environmentalism, non-violence, social justice, and grassroots

**Algebra**

Ulani has two sisters. Ulanis older sister is twice her age plus one. Her younger sister is 3 years less than ulanis age. What is ulsnis age if their sum of she's equals 26?

**math**

The result of an exam score for a given class is normally distributed. If the mean score is 85 points and the standard deviation is equal to 20 points, find the cutoff passing grade such that 83.4% of those taking the test will pass.

**English**

From what point of view is a Midsummer Nights Dream narrated? Third person point of view

**Pre-Algebra**

List three different ways to write 511 as the product of two powers

**Cda **

1. To enable an entire class to comfortably view an image directly from a computer screen, you could use an overhead projector and a(n) A. LCD panel. B. opaque projector. C. document camera. D. videocassette recorder.

**English**

Who is the protagonist and antagonist in the short story "The Machine That Won the War?" Protagonist- I do not think there is just one. I think that Swift, Henderson, and Jablonsky are the protagonists since they are all having discussions throughout the whole story...

**Trig**

In which quadrant would the image of point (5,-3) fall after a dilation using a factor of -3?

**Trig**

Right circular cylinder A has a volume of 2700 cubic inches and radius of 15 inches. Right circular cylinder B is similar to cylinder A and has a volume of 800 cubic inches. Find the radius of cylinder B.

**History**

Thank you.

**History **

Efforts to address the human rights violations during holocaust.

**Just Curious**

I have gotten an amazing amount of great help from the tutors here at jishka. I am forever thankful for their help!

**Math**

You purchase a life insurance premium for? $250 annually. The probability of a claim is 0.001 for your age bracket. The policy is worth? $50,000. What is your? gain/loss that? year?

**Trig**

Find the area of a triangle whose vertices are A(0,2), B (2,7), C (0,10).

**Trig**

Find the area of quadrilateral whose verties are A(0,2), B(2,7), C(6,10), and D (9,-2).

**Science**

A pendulum is made with a bowling ball as the bob and a wire attached to the ceiling, as shown in the illustration below. The person in the illustration pulls the bowling ball back until it touches his nose, then releases the bowling ball. Assume that he does not move. 1....

**Science**

how much work is done on a 50kg cart that is pushed 10m at a constant rate of 5m/s^2

**Science**

so the ball at first has no KE but has only KE and the as it swings PE transforms into KE and then as the ball is swinging back and forth,KE turns into mechanical and heat energy?IS this correct

**Science**

i don't understand the first subquestion

**Science**

A pendulum is made with a bowling ball as the bob and a wire attached to the ceiling, as shown in the illustration below. The person in the illustration pulls the bowling ball back until it touches his nose, then releases the bowling ball. Assume that he does not move. 1....

**Science**

A pendulum is made with a bowling ball as the bob and a wire attached to the ceiling, as shown in the illustration below. The person in the illustration pulls the bowling ball back until it touches his nose, then releases the bowling ball. Assume that he does not move. 1....

**Science**

can u help bobpursley

**precalculus**

how long will it take an investment of $1,750 to double in value at 8% annual interest compounded continuously?

**SS**

what are the rest of the answers?

**English**

What is the genre of John Henry? What led you to this conclusion? The genre of the story John Henry is a folktale. What led me to this conclusion is that historians believe it is based on an actual even of an African American man who took on a steam driving machine and won.

**Algebra**

Nico is saving money for his college education. He invests some money at 8% and $1400 less then the amount at 7%. The investments produced a total of $217 interst in one yeat. How much did he knvest at each rate? So far I have 0.08 (1400)(0.07)

**math**

what is 1.9 times 10 to the third power?

**physics**

calculate the volume in cubic centimeters and area in square millimeters of a spherical bacterium of diameter 2.0um. model the bacteria is spheres

**physics**

Suppose a river flows due south with a speed of 2.0 m/s. Given that speed of motorboat relative to water is 4.2 m/s due east. (a) In what direction should the motorboat head to reach a point on the opposite bank directly east from your starting point? (b) What is the velocity ...

**algebra**

The perimeter of the rectangle is 62 meters. what is the value of x if one side equal 10 meters.

**Probability**

A multiple choice test has 10 items and each problem has four choices A, B, C, and D. How many ways can the answer sheet be completed so that every answer is wrong?

**physics**

Two forces are exerted on a hockey puck which initially stopped on frictionless ice. Force 1 is exerted in the positive x direction with magnitude of 10 N and Force 2 is exerted in the positive Y direction with magnitude 4 N. The hockey puck has a mass of 0.5 kg. What is the ...

**Math**

The ratio of the number of boys to the number of girls in a theater is 7:9. There are 12 More girls than boys in the theater. How many children are in the theater?

**Math**

An open box is to be made from a square piece of material by cutting four-centimeter squares from each corner and turning up the sides (see figure). The volume of the finished box is to be 144 cubic centimeters. Find the size of the original piece of material.

**English**

Identify the subject, verb, Object Formal writing shows writers' critical thinking. Verb- critical thinking Subject-writers Object-writers'

**physics**

A 3 kg block is released from rest at the top of a 20 m long frictionless ramp that is 5 m high. Find the values for the block just before it reaches ground level. (a) gravitational potential energy ----J (b) kinetic energy ----J (c) speed -----m/s (d) momentum ------kg·...

**physics**

What is the rotational speed of the hour hand on a clock? -----rev/s

**physics**

What is the rotational speed of the hour hand on a clock? -----rev/s

**physics**

A variable-speed drill, initially turning at 150 rpm, speeds up to 1300 rpm in a time interval of 1.0 s. What is its average rotational acceleration? ----rpm/s2

**physics**

A volume of 140 cm3 of an ideal gas has an initial temperature of 20°C and an initial pressure of 1 atm. What is the final pressure if the volume is reduced to 120 cm3 and the temperature is raised to 40°C?

**physics**

A child with a mass of 46 kg is riding on a merry-go-round. If the child has a speed of 3 m/s and is located 2.2 m from the center of the merry-go-round, what is the child's angular momentum? ____kg2/s

**physics**

A variable-speed drill, initially turning at 150 rpm, speeds up to 1300 rpm in a time interval of 1.0 s. What is its average rotational acceleration? ______rpm/s2

**physics**

A variable-speed drill, initially turning at 150 rpm, speeds up to 1300 rpm in a time interval of 1.0 s. What is its average rotational acceleration? ______rpm/s2

**physics**

A child with a mass of 46 kg is riding on a merry-go-round. If the child has a speed of 3 m/s and is located 2.2 m from the center of the merry-go-round, what is the child's angular momentum? ____kg·m2/s

**physics**

What is the gravitational potential energy of a ball with a weight of 72 N when it is sitting on a shelf 1.4 m above the floor?

**Chemistry**

According to the quantum-mechanical model for the hydrogen atom, which of the following transitions would produce light with longer wavelength: 3p to 2s or 4p to 2s? A) The 3p to 2s transition would produce light with longer wavelength. B) The 4p to 2s transition would ...

**physics**

Two identical boxcars (m = 14866 kg) are traveling along the same track but in opposite directions. Both boxcars have a speed of 5 m/s. If the cars collide and couple together, what will be the final speed of the pair?

**chemistry**

If 20 grams of zinc reacts with hydrochloric acid, how much zinc chloride is produced?

**Physics**

A coach is hitting pop flies to the outfielders. If the baseball (mass=145 g) stays in contact with the bat for 0.04 s and leaves the bat with a speed of 79 m/s, what is the average force actions on the ball?

**Physics**

A bowling ball rolls off the edge of a giant' table at 18 m/s. If it takes 6 s for the ball to hit the ground. A) How far does it land from the base of the table? B) how far does it fall?

**Physics**

A rock is thrown off a cliff with a vertical speed of 53 m/s upward and a horizontal speed of 30 m/s. A) what will these speeds Vx and Vy be 4 second later? B) what will be the x and y displacements of the rock be 4 second later?

**Physics**

A cyclist whose mass is 48 kg turns a corner with a radius of 30 m at a speed of 25 m/s. A) What is the magnitude of the cyclist's acceleration? B) what is the magnitude of the force action on the cyclist?

**Physics**

Please show me how to work the following problems. 1) A cyclist whose mass is 48 kg turns a corner with a radius of 30 m at a speed of 25 m/s. A) What is the magnitude of the cyclist's acceleration? B) What is the magnitude of the net force acting on the cyclist? 2) A rock...

**Physics**

What changed Newton's original work on the movement of the Moon around the Earth into the law of universal gravitation? 1) his conclusion that the same laws applied to all objects, no matter how small 2) his connection of gravitation to his first law 3) his connection of ...

**physics**

This figure shows the force on a 0.1-kilogram mass at various distances from Earth. Notice that the force decreases as the square of the distance. Now, consider satellites A and B, both circling Earth. If A has ten times the mass of B but B is 1/10 of the distance to the ...

**physics**

What two facts did Newton need to be able to calculate the acceleration of the Moon? 1) the distance to the Moon and the diameter of the Moon. 2) the time it takes the Moon to make one revolution and the distance from the Earth to the sun. 3) the diameter of the Moon and the ...

**Chemistry**

Complete and balance the following equation. If no reaction occurs, write noreaction . NaOH(aq)+FeBr3(aq)→

**LA**

THE BED FELL AND STOLEN DAY WHO LEARNED THE MOST AND WHO LEARNED THE LEAST

**Chemistry**

Consider the following reactants. Which produces a gas? 1. NH4Cl(aq) + AgNO3(aq) → 2. Na2CO3(aq) + BaCl2(aq) → 3. Na2S(aq) + HCl(aq) → 4. All of these would produce a gas.

**Math**

Lana took one and a half tines as long as jayden to finish a project. If lana took 15 days, how long did jayden take?

**History**

the correct answer would be c.

**physics**

What two facts did Newton need to be able to calculate the acceleration of the Moon? A) the distance to the Moon and the diameter of the Moon B) the time it takes the Moon to make one revolution and the distance from the Earth to the sun C) the diameter of the Moon and the ...

**Physics**

A 51kg person on a merry-go-round is traveling in a circle with a radius of 2 m at a speed of 6 m/s A) What acceleration does the person experience? B) What is the net horizontal force? C) How does it compare with the person's weight?

**Math**

The teacher says the correct answer for 18x24=432. How is it I keep getting 532.

**English II**

Write a letter as if you are a foreign exchange student living in America. Pretend you are writing to your family in your homeland and you must explain an American custom they know nothing at all about. To write a convincing letter, you must examine the American custom through...

**English II**

Explain how your mystery/legend contains the following literary elements: I chose Atlantis as my mystery/legend. I am not sure what they mean when they say scene. My answer is as follows. a. Setting b. Plot c. Characters d. Conflict e. Scene The legend/mystery of Atlantis ...

**English II**

No, I am not expecting anyone to do the work for me. I have answered three questions and would like to get the opinion as to whether I am doing it correctly.

**English II**

1. Explain the difference between a mystery and a legend. 2. Create a list of at least five (5) of these proven and unproven beliefs about your chosen event. 3. Explain why each of the items in the list are proven or unproven. 1. A mystery is something that remains unexplained...

**math**

Ravinder surveyed 36 student in the school. nine of them said they would attend the dance. if the school has 900 students, how much can Ravinder expect to attend the dance.

**American History**

what are the biggest challenges facing the average American citizen today? I feel that the biggest challenges facing the average American today include lack of jobs, state of our economy, terrorism, and gun violence. Unfortunately in America today wages are not being able to ...

**American History**

how does the foreign oil situation affect Americans today? Oil dependency is a huge issue in today's world. Between oil fracking destroying our environment, creating earthquakes, and oil spills destroying our oceans and potential drinking water, i feel oil is simply is not...

**American History**

how does the foreign oil situation affect Americans today? Americans continue to rely heavily on foreign oil. The United States consumes about twenty million of the roughly eighty million barrels of oil consumed daily in the world, and three-fifths of that is imported.

**American History**

The statement above is my answer.

**American History**

We choose what are the biggest challenges facing the average American citizen today and then they want us to explain.

**American History**

What are the biggest challenges facing the average American citizen today? Jobs, state of the economy, along with terrorism on our soil. Budgets cuts in our Defense has led to inefficient weapons available to the soldiers to fight wars here in America or Overseas. Wage incomes...

**American History**

how does the foreign oil situation affect Americans today? Americans continue to rely heavily on foreign oil. The United States consumes about twenty million of the roughly eighty million barrels of oil consumed daily in the world, and three-fifths of that is imported.

**American History**

Describe the impact of the social changes of the 1960's on today's culture in America? Female activists demanded more rights for women, whose role in society began to change. Today women are head of big company's. The birth control pill and other contraceptives ...

**American History**

How did the policies set forth by President Johnson's administration affect our country's economy today? Explain. The policy to continue the war in Vietnam by Lyndon Johnson strengthened the military Industrial Complex that is costing taxpayer Billions today.

**history**

Is it a good idea for consumers to spend on credit cards? Why or Why not? Can it be both good and bad to buy on credit? It is not a good idea for consumers to spend on credit cards because it gives a false sense of security you have money that you really do not have. It can be...

**history**

Compare and Contrast American Expansion in the late 1800's with the expansion in the 1900's. (How the expansion efforts were the same and how they were different.) During the expansion of the late 1800's and early 1900's shared similarities in that the ...

**American History**

For centuries Americans had been moving westward and had been developing a continent. The Realization that all the frontier land was gone and since the Civil War there was an incredibly productive industrial complex that Americans had built. This brought a belief that ...

**American History**

Compare and Contrast American Expansion in the late 1800's with the expansion in the 1900's. (How the expansion efforts were the same and how they were different.) During the expansion of the late 1800's and early 1900's shared similarities in that the ...

**Math**

A 104 ft. ladder is leaned against a wall. If the base of the ladder is 40 ft. from the wall, how high up the wall will the ladder reach? 104ft.^2 + b^2 = 40ft.^2 10,816 + b^2 = 1,600 0 + b^2 = 10,816 - 1,600 = 9,216 C^2 = SQRT of 9,216 or 96ft.

**math**

A 104 ft. ladder is leaned against a wall. If the base of the ladder is 40 ft. from the wall, how high up the wall will the ladder reach? 104ft.^2 + b^2 = 40ft.^2 10,816 + b^2 = 1,600 0 + b^2 = 10,816 - 1,600 = 9,216 C^2 = SQRT of 9,216 or 96ft.

**math**

Mike rides his bike 33 km south and then 56 km west. How far is the shortest distance from his starting point? 33^2 + 56^2 = C^2 1,089 + 3,136 = C^2 4,225 km = C^2 C^2 = SQRT of 4,225 km or 65 km

**math**

A 12ft. pole casts a shadow of 16ft. What is the distance between the end of the shadow and the top of the pole? A^2 + 12ft^2 = 16^2 A^2 + 144 = 256 A^2 + 0 = 256 - 144 A^2 = 112 A^2 = SQRT of 112 or 10.58ft.

**Health**

Two to three weeks.

**history**

Compare the civil reform of the 1800's to social reform today. civil reform of the 1800's led to the passing of the Pendleton Act of 1833 that gave government jobs based on qualification of the candidate, and not political belief. Social reform today is built on the ...

**History**

Compare the civil reform of the 1800's to social reform today. civil reform of the 1800's led to the passing of the Pendleton Act of 1833 that gave government jobs based on qualification of the candidate, and not political belief. Social reform today is built on the ...

**History**

Many are fighting for equal pay, healthcare costs, etc. When I mention transcends I mean it falls into many different categories.

**History**

Compare the civil reform of the 1800's to social reform today. civil reform of the 1800's led to the passing of the Pendleton Act of 1833 that gave government jobs based on qualification of the candidate, and not political belief. Social reform today is built on the ...

**American History**

Compare the civil reform of the 1800's to social reform today. civil reform of the 1800's led to the passing of the Pendleton Act of 1833 that gave government jobs based on qualification of the candidate, and not political belief. Social reform today seeks to change ...

**math**

Given that sinx = cos(x+20o) write tanx in terms of sin20o and cos 20o. a) Hence find the values of tan x. b) Find the general solution of 3sec2y=5(1+tany)

**Math**

A car traveled 20 kilometers at 2pm and 90 km at 5pm pm how fast did the car travel? Round to the nearest whole number

**Math**

Why is the Cartesian System unique? The Cartesian System is unique because you can specify any point uniquely in a two or three dimensional space by using two or three Cartesian coordinates

**Riddle**

There are many keys but can't open a single door

**American history**

Who do you think profited the most during the industrialization? I think the middle class of factory owners, shippers, and merchants benefited the most because American cities allowed many middle-class Americans to live a more glamorous lifestyle with all the new technology ...

**math**

You're welcome.

**Geometry (check my work)**

A scoop of ice cream shape like a sphere with a diameter of 6 cm is placed on an ice cream cone the has a diameter of 5 cm and a height of 9 cm, show that the cone is or is not big enough to hold all of the ice cream when it melts ? Answer- I said the cone is too small ...