Saturday

October 22, 2016
Total # Posts: 101,213

**physics**

A Zip-liner is gliding along a horizontal wire over a lake. They must release themselves from the wire and drop down to the water to get off the zip-line. They are 6.50 m above the water and release themselves when they are travelling at 2.20 m/s. How fast are they travelling ...

*September 27, 2016*

**Physics **

An escalator is 20 m long. If a person stands on the 'up' side, it takes 50 seconds to ride to the top. a) If a person walks up the escalator at a speed of 0.5 m/s relative to the escalator, how long wil it take to get to the top? b) If a person walks down the 'up...

*September 27, 2016*

**Physics **

A golfball with an initial speed of 50 m/s lands exactly 240 m downrange on a level course. a) Neglecting air friction, what two projection angles would achieve this result? b) What is the maximum altitude reached by the ball, using each of the two angles from Part A?

*September 27, 2016*

**Physics **

An arrow was fired horizontally from a platform above the ground. Exactly 3 sec after it was released, it struck the ground at an angle of 45o from the horizontal. 1) With what speed and from what height was it launched?

*September 27, 2016*

**Physics **

A ball thrown horizontally from the top of a 13m high building strikes the ground 5m from the base of the building. 1) With what velocity was the ball thrown?

*September 27, 2016*

**Algebra**

Nope. It's B

*September 27, 2016*

**physics**

A plane needs to drop supplies off to victims of natural disasters around the world. The first stop is for flood victims but they must drop the box so it lands perfectly on a target. If they are flying at 153 m/s and are 126 m above the ground, what distance before the target ...

*September 27, 2016*

**physics**

poop

*September 27, 2016*

**physics**

A hockey player lobs a puck at an empty net with an initial velocity of 8.00 m/s at an angle of 26.0°. What is the maximum height the puck reaches?

*September 27, 2016*

**Algebra **

Write an equation for the trend line and predict the value when x is 15. x y 0 17.5 3 35.4 6 50.5 9 60.6 12 66.3

*September 27, 2016*

**further maths**

25x-30(5x)+125=0

*September 27, 2016*

**Counting and Probability**

If 4 boys and 5 girls are seated in a row of 9 chairs, what is the probability that the 2 girls will sit next to each other?

*September 27, 2016*

**math**

Convert 4.75 decimal into fraction in simplest form

*September 27, 2016*

**Chemistry**

How many different oligosaccharides can be made by linking one glucose and one galactose if the anomeric carbon of glucose is involved in the glycosidic bond? Assume that each sugar is in its pyranose form. A. 5 B. 4 C. 2 D. 1 E. 3 Would it be 4?

*September 26, 2016*

**Chemistry**

c-3?

*September 26, 2016*

**Chemistry**

The bond between a glycoprotein and a carbohydrate is made to which atom of a monosaccharide? A. C-3 B. C-6 C. varies with different glycoproteins D. anomeric carbon E. C-4 Would the answer be (E) C-4?

*September 26, 2016*

**physics**

You create a centripetal force apparatus consisting of a mass m attached to the end of a string and spun in a uniform circular path of radius R, where R = 65.5 cm. The mass is spun in a uniform circular path for 60.0 seconds, during which a total of 117 revolutions are ...

*September 26, 2016*

**History**

Some scholars have identified similarities between Bodhisattva of Compassion and the Virgin Mary in Christian tradition. What common elements and what differences can you identify?

*September 26, 2016*

**physics**

all

*September 26, 2016*

**physics**

a 15kg rock falls from the top of a building 8.0m high. Find its PE and KE a.when at rest at the top of the building b. halfway down the ground c. when it reaches the ground d.speed when it reaches the ground

*September 26, 2016*

**History**

why might greco roman cultural influence have stimulated physical representations of the buddha I said the Greco Roman influence of the Dandhara style was fading and became replaced by more completely Indian images of Buddha is this correct

*September 26, 2016*

**Chemistry**

A 19.3L expandible container is filled in a room where the pressure is 761mmHg. It is filled with 600.4mmHg nitrogen, 108mmHg oxygen, 32.1 mmHg water vapor. The rest of the pressure is made up by carbon dioxide. The temperature is 20.3°C a. What is the partial pressure of ...

*September 26, 2016*

**chemistry**

i figured it out 11.5 g

*September 26, 2016*

**chemistry**

i came up with a MM of 42.2 but i do not feel that it is the correct answer how would i solve this problem

*September 26, 2016*

**chemistry**

A sample of neon gas is held in a rigid 2.284L container with a pressure of 1.036 atm at 24.3°C. 4.093g of an unknown cold gas is added to the container. The temperature drops to 20.3°C, but the pressure rises to 1.960atm. What is the molar mass of the added gas?

*September 26, 2016*

**math**

the product of a 3-digit number and a 1-digit number will be either a 3-digit number or 4-digit number.Does Emma's statement make sense?

*September 26, 2016*

**Writing**

What is the best way to write this sentence? If we were teenagers at the time theses licenses signified our passage to adulthood.

*September 26, 2016*

**Math**

Meow

*September 26, 2016*

**Math**

20,10,5 50,25,10

*September 26, 2016*

**Algebra **

A countrys population in 1995 was 56 million in 2002 it was 59 million. Estimate the population in 2016. Exponential growth formula

*September 26, 2016*

**Physical education HELP PLS!!!!!!!!!**

what is it

*September 26, 2016*

**Translate to an algebraic expression**

q=some number

*September 26, 2016*

**stats**

(a) The test had six multiple-choice items that were scored as correct or incorrect, so the total score was an integer between 0 and 6. Do you think that these data are Normally distributed? Explain why or why not. The distribution is Normal because the standard deviation is ...

*September 26, 2016*

**stats**

(a) The test had six multiple-choice items that were scored as correct or incorrect, so the total score was an integer between 0 and 6. Do you think that these data are Normally distributed? Explain why or why not. The distribution is Normal because the standard deviation is ...

*September 26, 2016*

**math**

Ali has 16 1/2 yards of fabric. She will use 5 2/5 yards to make each costume. How many costumes can Ali make?

*September 25, 2016*

**Calculus**

Evaluate the limit using algebraic techniques. limit of (x^2 - 25)/(x^2 - 4x - 5) as x approaches 0. How do I do this?

*September 25, 2016*

**Math**

You say the number when you count by 2s. You say the number when you count by 3s. You say the number when you count by 4s. The number is more than 20 but less than 30. What is the number?

*September 25, 2016*

**Biology**

Batches of seeds are soaked in salt solutions for different concerntrations and germination is counted for each batch.

*September 25, 2016*

**Biology **

Light absorption by a pigment is measured for red, blue, green, and yellow light.

*September 25, 2016*

**physics**

a student weighing 160 pounds hangs for dear life from a cable tied to two other cables fastened to a support as shown above. the upper cables make angles of 39 and 55 with the horizontal. these upper cables are not as strong as the vertical cable and will break if the tension...

*September 25, 2016*

**Chemistry**

The density of a sample of F2(g) is 1.559 g/L. If the gas is held at 755 torr, calculate the temperature. how would i calculate the volume to use

*September 25, 2016*

**phsyics**

i have no idea

*September 25, 2016*

**american government**

2 is wrong The answer A

*September 25, 2016*

**Physics**

Still need help

*September 25, 2016*

**Physics **

Judy walks a certain distance due north, then walks twice as far due west. At the end of her trip, the straight-line distance from her starting point to her final position is 112m. a) What is the length of each leg of the trip? b) What is the direction of her total ...

*September 25, 2016*

**Math Algrebra Word Problems People on a line**

1) How many people are there between the 4,000th person from the front end and the 1,000th person from the back end when there are 4,000 people on a line? 2) There are 2,500 people on a line. The 100th person counted from the front is Adam. Adam is what number when he is ...

*September 25, 2016*

**math**

if, instead of assuming that the mean body temperature is 98.20 degree Ferinheight, we assume that the mean is 98.60 F(as many people believe), wht is the chance of randomly selecting 106 people and getting a mean of 98.20 degree F or lower? (continue to assume that the ...

*September 25, 2016*

**Physics**

A body slides down from the rest from the top of6.4m long rough inclined plane at 30 degree with the horizontal.find the time taken by the body in reaching the bottom of the plane. Take mu k=0.2 and g=10m/s2

*September 25, 2016*

**science**

what is the focal lenght of an object 10cm in front of a convex mirror having image that is 5cm behind the mirror?

*September 25, 2016*

**Further mathf**

In a senior secondary school, 80 students play hockey or football. The number that play football is 5 more than twice the number that play hockey. If the 15 students play both games and every student in the school playsat least one game, find: The number of students that play ...

*September 25, 2016*

**Chemistry**

if I want to show the results of a nitrate analysis as nitrogen what is the equation

*September 25, 2016*

**Maths**

The sum of two fractions is 2 1/6 if one of the fraction is 1 1/3 then what is the other

*September 25, 2016*

**Math**

Jacob opens a savings account on Jan 1 with a deposit of $250. Every other week $25 is deposited. The bank charges $3 for a processing fee monthly. How much will he have at the end of the year?

*September 24, 2016*

**Math/Chem**

Is it possible to get a negative percent as an answer to a problem

*September 24, 2016*

**Physics**

i don't know

*September 24, 2016*

**Organic Chemistry **

What would happen to the melting point of a solid if it is mixed with granular particles of glass? Explain.

*September 24, 2016*

**Math**

I meant to say -4, sorry.

*September 24, 2016*

**Math**

Then how come when it says 0 is greater than or equal to 4 she says that is false?

*September 24, 2016*

**Math**

I have a question. My teacher wrote down that 0 is less than or equal to 10 is true. Why is that?

*September 24, 2016*

**Math**

If you had an inequality x is less than or equal to 8 would you shade towards the origin or away from the origin

*September 24, 2016*

**Math**

If you had an equation zero is less than or equal to 2 would you say that's true because 0 is less than 2 or false because it isnt equal to 2? What would I write down if it asked for T or F

*September 24, 2016*

**English**

Teen Financier Gets Oprah's Attention. How did Lesley Scorgie acquire the money to make her investments? Why is Lesley Scorgie unusual? Why do you think she was invited to be a guest on Oprah Winfrey's talk show? In what ways could Lesley Scorgie influence other teens?

*September 24, 2016*

**american government**

Its easy to look up the answers anywhere. Mr.M

*September 24, 2016*

**american government**

yoooo lets goo team connections academy

*September 24, 2016*

**american government**

lmaoooo connections academy what's good

*September 24, 2016*

**chemistry**

464

*September 23, 2016*

**University South Carolina **

A movie theater has fixed costs of dollar-sign 9000 per day and variable costs averaging dollar-sign 3 per customer. The theater charges dollar-sign 12 per ticket. How many customers per day does the theater need in order to make a profit? Give the smallest possible value.

*September 23, 2016*

**math **

Solve. 3x < 18 A) x < 6 B) x > 6 C) x < 15 D) x > 54

*September 23, 2016*

**math**

Jennifer walked 4 miles in 40 minutes. Predict how far she would walk 6 minutes if she continues to walk at the same pace.

*September 23, 2016*

**Physics**

1.5s

*September 23, 2016*

**Physics**

1.5s

*September 23, 2016*

**check my work**

???

*September 23, 2016*

**Algebra**

What is f(4) if f(x)= |3x + 4| - 2

*September 23, 2016*

**health care tech**

Each of the following are specific transaction standards for types of electronic data interchange EXCEPT: claims status. employment status. enrollment and deenrollment in a health plan. first report of injury. premium payments. Help

*September 23, 2016*

**Health care tech**

Licensed nurses was my second chice

*September 23, 2016*

**Health care tech**

RNs who receive additional training and certification in pregnancy and childbirth are called: nurse practitioners. nurse anesthetists. nurse midwives. licensed practical nurses. None of these Practioners are more right help??

*September 23, 2016*

**history (check my work)**

1.b 2.d 3.a

*September 23, 2016*

**history (check my work)**

1 is B. 2 is d

*September 23, 2016*

**Algebra**

The graph of g(x) is the graph of f(x)=x^2 shifted 4 units left, vertically stretched by a factor of 3, then shifted 5 units up. What is the function rule for g(x)?

*September 23, 2016*

**Career**

Please check my answers. Thank you! The amount of goods and services that people want to buy. Producers Consumers Supply Demand* Question 2 (Multiple Choice Worth 10 points) (02.08 LC) Knowledge and tools that enable us to do new tasks more efficiently are knows as _____. ...

*September 23, 2016*

**math**

You purchased a suit on sale for $220 that was originally priced for $275. what was the percent of discount?

*September 23, 2016*

**social studies**

Syn post answer when you finish the test

*September 23, 2016*

**Maths**

I have a map with a scale of 2cm to 5 km. On the map, two towns are eight cm apart. What is the actual distance between the two towns?

*September 23, 2016*

**Math**

Ashleigh moed 50 lawns last Month. Keshia mored 40 less than twice than ashleigh. How many laws did Keisha moe

*September 23, 2016*

**12**

look at this series 940 940 931 931 922 922 ...what numbers should come next?

*September 23, 2016*

**12**

let X=(3^5^7^9)+1 find the last digit of x

*September 23, 2016*

**12**

the product of 4 consecutive even number is always divisible by

*September 23, 2016*

**jv**

how many mole of nog can be produced in the reaction of 3.36 nik nh3(g)and 5.20 mole 02g? in the 4nh3(g)+ 5o2(g)------->4nog+6h2o(1)

*September 22, 2016*

**Algebra**

Please how I solve this equation giving the domain of -3 I know that i have to replace the -3 where the x is but I do not know how to solve with the fraction. Thank you. -2x+1/3y=4

*September 22, 2016*

**Wold History**

these answers were WRONG

*September 22, 2016*

**Math**

Solve each equation if the domain is: (-3,-1,2,5,8) 3x-1/2y=6

*September 22, 2016*

**help**

Can you help me explain how visual memory works? Many thanks.

*September 22, 2016*

**Computing**

can you help me explain how visual memory works? Many thanks.

*September 22, 2016*

**Math **

The bearing of P from Q is 140degree and that of X from P is 315degree. If |PQ|=36km, and |PX|=55km, find |QX| and the bearing of Q from X.

*September 22, 2016*

**Physics**

Thanks! So the final velocity is not a single, known value? Also how do I find out if the object is still going up or coming down?

*September 22, 2016*

**Physics**

An object is thrown up in the air at 15 meters per second. You want to figure out how high the object will be at 2.5 seconds after its release. Use the 5 motion variables and list the values and directions of the variables already known. Use a motion equation to find the ...

*September 22, 2016*

**Physics **

If a ball is thrown off a 123 m cliff at a speed of 18 m/s, how far from the base of the diff is the ball? Givens: Unknown: Equation: Substitute: Solve:

*September 22, 2016*

**history,maths lit,business studies,life sciences**

Can I do nursing with maths lit,business studies and life sciences

*September 22, 2016*

**chemistry**

Is the following sentence true or false? The value of an error must be positive.

*September 22, 2016*