Thursday

September 29, 2016
Total # Posts: 100,275

**college mathematics**

Write each phrase as a variable expression: The difference of twenty and a number.

*May 9, 2016*

**P.E**

100% thanks

*May 9, 2016*

**science**

how many electrons are trasfered if a liquid has a on 7,5×10-19C

*May 9, 2016*

**Sign Language**

that answer is correct

*May 9, 2016*

**math**

Two events are independent if the first event has no effect on the second event. Two events are dependent if the result of one event has an effect on the other event. One of the most common examples of these are situations involving picking 2 items from a group of items. If ...

*May 9, 2016*

**Geometry**

A glass dome covers a pool making an indoor Waterpark. If the height of the dome is 30 feet then what is the surface area of the glass dome? Round to the nearest tenth

*May 9, 2016*

**Geometry**

The volume of a hemisphere is 250pi/3. Inches cubed. What is the radius

*May 9, 2016*

**math**

May anyone give me an example of a independent and an dependent probability word problem about food?

*May 9, 2016*

**math**

A number cube is rolled and a marble is selected from a bag. There are 2 reds, 2 yellows, 2 greens, 1 blue, and 1 purple marble in the bag. Find the probability of the following: roll a 1 and pick a red marble.

*May 9, 2016*

**Algebra II**

eryeryeryery

*May 9, 2016*

**Algebra II**

Rewrite each degree measuring in radians and each radian measure in degrees. 324˚

*May 9, 2016*

**Algebra II**

Rewrite each degree measuring in radians and each radian measure in degrees. 7𝜋/3

*May 9, 2016*

**Algebra II**

What is the length of the arc given that the radius is 12cm and the central angle is 4𝜋/3? Round your answer to the nearest tenth.

*May 9, 2016*

**Algebra II**

The terminal side of θ in standard position contains each point. Find the exact values of the six trigonometric functions of θ. Given point: (7, -6)

*May 9, 2016*

**Algebra II**

Solve the triangle for angle B. 𝐴=102˚, 𝑎=15, 𝑏=9

*May 9, 2016*

**Algebra II**

Erik and Zach are camping. Erik leaves Zach at the campsite and walks 3.6 miles. He then turns at a 114˚ angle and walks another 2.3 miles. If Erik were to walk directly back to Zach, how far would he walk? (draw a picture to help you solve)

*May 9, 2016*

**math**

8 Which numbers from this list are less than −0 9. 4?

*May 9, 2016*

**chemistry **

how many unpaired electrons are in this complex? Ni(en)2(CN)2 where en is the neutral ethylenediamine and CN is cyanide as the counter ion, I want to say there are no unpaired e- but I'd like a check

*May 9, 2016*

**life orientation**

people will lost thr jobs

*May 8, 2016*

**Social Studies**

Explain why our founding fathers thought that the Separation of Powers was necessary

*May 8, 2016*

**math**

A jar of jelly beans contains 50 red gumballs , 45 yellow gumballs, and 30 green gumballs. You reach into the jar and randomly select a jelly bean, then select another without putting the first jelly bean back. What is the probability that you draw two red jelly beans?

*May 8, 2016*

**math**

Two less than three times the width of a rectangle is equal to the length. The area of the rectangle is 65 square ft. What is the length of the rectangle?

*May 8, 2016*

**math**

How many 4 letter words can we make with the letters in the world gumball?

*May 8, 2016*

**calculus**

Find the limit lim x ->0 (sin^2 2x)/(x^2)

*May 8, 2016*

**calculus**

evaluate the definite integr 2 ∫ (x+1/x)² dx 1

*May 8, 2016*

**English**

Change the sentence into the passive voice the boys dag of the garden

*May 8, 2016*

**math**

So it's dependent event because you don't replace it, so instead of having a total of 32 it's 31?

*May 8, 2016*

**Algebra**

The diameter of bolts produced by a certain machine distributed with a mean of 0.30 inches and a standard deviation of 0.01 inches. What percentage of bolts will have a diameter greater than 0.32 inches.Does your answer make sense based on the given information? Explain why or...

*May 8, 2016*

**statistics**

A zip-code is a five-digit number identifying where in the U.S. an address is located. The first four digits in a zip code can be any number 0-9, but the fifth digit cannot be 0. In addition to this, each address has a “plus-four” code that more specifically ...

*May 8, 2016*

**Math**

mrs walker and mrs thomson share 4.27kg of cherries in the ratio 2 : 5. how much cherries must mrs thomson give to mrs walker so that both of them will have the same amount of cherries?

*May 8, 2016*

**Statistics Algebra 2**

4/4096

*May 8, 2016*

**Math**

A new car manufacturer is designing a logo. It is in the shape of a diamond inside a rectangle. The diamond is to have a horizontal width of 3 cm and an area equal to one sixth of the area of the rectangle. Find the required height of the diamond.

*May 8, 2016*

**Algebra 1**

ok thanks

*May 7, 2016*

**Algebra 1**

How do you factor 3y^3-x^2

*May 7, 2016*

**chem**

oh, this was for mass spec

*May 7, 2016*

**chem**

my professor asks for the M+ peak for a set of metal complexes, and on it he has Cu(bpy)2 + , isn't this already a M+ ion? Is this a trick question? bpy is a bipyridine ring

*May 7, 2016*

**math**

In a school, the church building is 300 m due East of the Assembly Hall. A classroom is 200 m on a bearing or 123° from the Assembly Hall. How far is the classroom from the church ?

*May 7, 2016*

**gpa calculation**

thank you, I never knew how to calculate it

*May 7, 2016*

**gpa calculation **

if i get A's in all my classes which are 4 credits, 3 credits, 3 credits, 1 credit, 1 credit and I get like a C in another 1 credit class, will this have an effect on my GPA...I'm at 3.7 right now and really tried to stay on deans list. :(

*May 7, 2016*

**geography**

Rf calculations? Is this thin layer chromatography? if so, you simply divide the two. 2.5/4 =

*May 7, 2016*

**Finance**

Sunset, Inc., has a book value of equity of $14,340. Long-term debt is $8,300. Net working capital, other than cash, is $2,190. Fixed assets are $19,810 and current liabilities are $1,790. a. How much cash does the company have? b. What is the value of the current assets? No ...

*May 7, 2016*

**math**

9-3/1/3+1 M.D.A.S 1/3*3=1 9-1+1 =9

*May 7, 2016*

**Math**

Final all the solutions for ONE + ONE = TWO each letter stands for a different digit

*May 6, 2016*

**Education technology**

Is it C???

*May 6, 2016*

**Language Arts**

I just took this test and these are the correct answers for all but the essay questions. 1. doubtful 2. "I'm worried sick, I must confess/I wonder if they'll have success." 4. Spelling 5. Rescuing the princesses 6. stunned 7. critical 8. Milo is transfixed by...

*May 6, 2016*

**math**

y=− 2/3 x+ 1/6 ; A(...; 6), B(9; ...) how do you solve this too?

*May 6, 2016*

**math**

how to find the slope of the line passing through: A(a, b) and B(c, d)

*May 6, 2016*

**math**

can any one plz help asap

*May 6, 2016*

**math**

(3.6−1 1 8 ÷ 3/4 )·15 how to solve

*May 6, 2016*

**math**

by how much did faster did the second cr go

*May 6, 2016*

**math**

wich car went faster

*May 6, 2016*

**math**

A car went 60 km in 5/6 of an hour while a second car went 54 km in 2/3 hour. Which car was faster? How many times faster?

*May 6, 2016*

**math**

Jocelyn has read 156 pages of a book. This is 4/5 of the entire book. How many pages does the book have?

*May 6, 2016*

**Social studies**

Even if you take a sentence from one and a sentence from another we can find it. And yes, I am your teacher. And no this answer you wrote out is not correct.

*May 6, 2016*

**language arts**

1 is b not c

*May 6, 2016*

**language arts**

to help the answers are 1. C 2. B 3. A 4. D 5. D 6. C 7. C 8. A 9. A

*May 6, 2016*

**language arts**

Also don't rely on Ms. Sue,she is very unreliable, count on the students, like me

*May 6, 2016*

**language arts**

I'm guessing you go to connexus, its pretty easy to do this, but there are few incorrect, number 8, is A, number 9 is A as well, if you are unsure about any questions, just ask.

*May 6, 2016*

**L.A. The Giver!**

1.D 2.C 3.B 4.C 5.A

*May 6, 2016*

**social studies**

1. B 2. A 3. D 4. C 5. A 6. C 7. D 8. B 9. C 10. A 11. D 12. A 13. C 14. A 15. D 16. C 17. B 18. C

*May 6, 2016*

**social studies**

1. B 2. A 3. D 4. C 5. A 6. C 7. D 8. B 9. C 10. A 11. D 12. A 13. C 14. A 15. D 16. C 17. B 18. C

*May 6, 2016*

**Math**

"2-inch" and "3-inch" presumably refer to the diameter of the pipe, so the 3-inch pipe has (3/2)^2 or 2.25 times the cross-sectional area. Which means it can deliver fluid at 2.25 times the rate. 6 hours / 2.25 = 2 2/3 hours (2 hours and 40 minutes)

*May 6, 2016*

**Math**

This doesn't make sense. I need further explanation please and thank you.

*May 6, 2016*

**Geography**

It would be a rapid decline in human population. Say there are 6,000 people in an area. If about 1,000 people die every week, with no population growth, then in about 6 weeks there will be no population at all.

*May 6, 2016*

**math**

What two numbers multiply to 42 and add to 3

*May 6, 2016*

**Geometry **

The surface area of the right circular cone topped with hemisphere is? 2cm radius and 4cm height

*May 6, 2016*

**math**

A cockroach traveling 2 feet per second takes how long to scurry a distance of 46 feet?

*May 6, 2016*

**science**

I believe the angle of refraction will be ___________ when it goes from a ________ to a _______________ because ____________________________________. Please help

*May 6, 2016*

**math**

Tasha and Lee played a series of games against each other. Tasha won three more than twice as many games as Lee. Lee won 15 games. Find the probability that Tasha won a game

*May 5, 2016*

**Trigonomentry**

A ladder 35 foot long is leaning against an embankment, inclined 62.5 degrees to the horizontal. if the bottom of the ladder is 10.2 feet from the embankment, what is the distance from the top of the ladder down to the embankment to the ground?

*May 5, 2016*

**math**

On the first two days of Mark's vacation, the weather forecaster reports a 25% chance of rain. On the third day of his vacation, Mark is faced with a 50% chance of rain. What is the probability that Mark will have three straight days of rain?

*May 5, 2016*

**math**

The first term of a geometric sequence is 9 and the common ratio is -1 over 3. find the fourth term

*May 5, 2016*

**math**

$31.398 is correct ? idk what it is to nearest penny -.- it doesn't say to round but what is it.

*May 5, 2016*

**math**

$31.39. is that correct

*May 5, 2016*

**math**

162/27=6 6*12=72 This is what i got

*May 5, 2016*

**math**

I got 4000 is that right?

*May 5, 2016*

**math**

An average of 1.8% of Apex Alarm systems need a battery replacement after 3 years in operation. Seventy-two battery replacements are needed in the next three years. What is the best estimate of how many Apex Alarm systems were sold?

*May 5, 2016*

**math**

A sum of money is invested in a business. In each year, this investment earns 11 over 2 times as much as in the preceding year. If the investment earned a total of $29,250 in four years, how much did it earn in the fourth year?

*May 5, 2016*

**math**

If you multiply your neighbor's age by 4, add 7, divide by 3, and subtract 9, the result is 20. how old is your neighbor?

*May 5, 2016*

**math **

Find the length of an arc of a circle of radius 6cm which subtends an angle of 105 degree at the Centre of the circle

*May 5, 2016*

**Science**

Early this spring researchers have recently discovered that there is one small remnant population of endangered bluegrass left in a small prairie plot outside of Kansas City. If there are approximately 850 individuals in the cohort, how many individuals can the researchers ...

*May 5, 2016*

**Math **

Early this spring researchers have recently discovered that there is one small remnant population of endangered bluegrass left in a small prairie plot outside of Kansas City. If there are approximately 850 individuals in the cohort, how many individuals can the researchers ...

*May 5, 2016*

**Math**

product of 7 and x decreased by x

*May 5, 2016*

**Science**

2 whole rabbits?????

*May 5, 2016*

**Science**

2 whole rabbits?????

*May 5, 2016*

**chemistry **

im having trouble understanding this hw question, okay here's the question: A 0.326 8-g unknown containing Pb(CH3CHOHCO2)2 (lead lactate, FM 385.3) plus inert material was electrolyzed to produce 0.111 1 g of PbO2 (FM 239.2). Was the PbO2 deposited at the anode or at the ...

*May 5, 2016*

**languge arts**

thank u

*May 5, 2016*

**alebra**

please check my answers. 2: how is the graph of y=-6x^2+4 different from the graph of y=6x^2 A: it is shifted 4 units to the left B: it is shifted 4 units to the right C: it is shifted 4 units up**** D:it is shifted 4 units down 3: A model rocket is launched from a roof into a...

*May 5, 2016*

**language arts**

it would be regret or shame

*May 5, 2016*

**Algebra**

Gigi wants to sell 18 kilograms of a cookie mix for $7 a kilogram. She starts with a $5 cookie mix and a $10 cookie mix. How many kilograms of each does she need to make the final mix?

*May 5, 2016*

**Science **

Consider the following food chain: hawk - rabbit - clover. Each species will contain a different amount of calories in its body (clover: 10 calories, rabbit: 500 and hawk: 1200). Each species has a different daily caloric requirement (clover: sunlight, rabbit: 100 calories, ...

*May 5, 2016*

**Bio- HELP?**

Which of the following pairings of organisms and their method of obtaining nutrients is incorrect? autotrophs - chemosynthesis herbivores - algae detritivores - inorganic matter carnivores - other animals herbivores -algae seems more sufficent?

*May 5, 2016*

**Language Arts**

Thanks Anonymous

*May 5, 2016*

**Language Arts**

"Happiness Is a Charming Charlie Brown at Orlando Rep" tells about the making of You're a Good Man, Charlie Brown. Like it explains how the play relates to the comic strip. So I am guessing it would be to inform. Because it gives specific details about who took ...

*May 5, 2016*

**Language Arts**

I think the purpose of You're a Good Man, Charlie Brown is to entertain. I also think that the purpose of "Happiness is a Charming Charlie Brown at Orlando Rep" is to inform but I am not real sure. I do not know how they reaveal the purpose.

*May 5, 2016*

**Language Arts**

I think the main thing I am not understanding is how the purpose of each selection is revealed and why the purpose fits the genre.

*May 5, 2016*

**Language Arts**

You're a Good Man, Charlie Brown and "Happiness Is a Charming Charlie Brown at Orlando Rep" have very different purposes. In a paragraph, discuss how the purpose of each selection is revealed and why the purpose of each fits the genre, or kind of writing. Use ...

*May 5, 2016*

**math. compounding interest**

regina deposits 3500 in a savings account that pays 7 1/2 % interest , compounded semiannually. how much interest does the account earn in the first 6 months?

*May 5, 2016*

**Trigonomentry**

A ladder 35 foot long is leaning against an embankment, inclined 62.5 degrees to the horizontal. if the bottom of the ladder is 10.2 feet from the embankment, what is the distance from the top of the ladder down to the embankment to the ground?

*May 5, 2016*