Tuesday

August 30, 2016
Total # Posts: 936

**Algebra II**

Let f(x) = 2x − 6. Solve f^−1(x) when x = 2. I think it is 4. f(x) = 2x - 6 y = 2x - 6 x = 2y - 6 +6 + 6 x + 6 = 2y ----- ---- 2 2 x + 6 ----- = y or f^-1(x) 2 x = 2: 2 + 6 8 ----- = --- 2 2 8 --- = 4 2
*August 18, 2016*

**hard core physics **

A car is at motion.It horns an hears the echo of the sound after 6 sec.find the speed of the car.
*July 27, 2016*

**Physics**

A 22 kg suitcase is being pulled with constant speed by a handle that is at an angle of 23 ∘ above the horizontal. If the normal force exerted on the suitcase is 150 N , what is the force F applied to the handle? I don't understand how the equations are suppose to be...
*June 16, 2016*

**Stats**

A genetic experiment with peas resulted in one sample of offspring that of 421 green peas 155 yellow peas. Construct a 95% conf. Interval for yellow peas. _<p<_
*May 29, 2016*

**Language Arts**

We have 3 days to read the whole book. 1 lesson you have to read 90 pages. Nobody has the time for this.
*May 18, 2016*

**Language Arts**

I did, multiple times. Spent continuous hours trying. @Reed
*May 11, 2016*

**Language Arts**

You don't have to type a full answer jut an Idea
*May 11, 2016*

**Language Arts**

Act II of A Christmas Carol: Scrooge and Marley contains several messages. In a paragraph, explain how one of these messages is conveyed in the second act of the play. Include at least two details from the play to support your points: When one person changes for the better, ...
*May 11, 2016*

**Language Arts, can anyone check?**

I got 100%? I don't know why people are arguing???
*May 1, 2016*

**L.A**

Setting the background - C,a,a Chapters 1-2 B&d, C,b,d Chapters 3-5 A,a,d,c Chapters 6-7 B,c,b,b,a,d,c,a,a&c,b Chapters 8-10 C,a,a Chapters 11-12 D,c,d Chapters 13-14 A,b,d Chapters 15-17 A,d,b,a,b,a,c,c&d,c Chapters 18-19 D,c,b,c,a Chapters 20-21 A,d,c Chapters 22-23 C,a,d,b,...
*April 28, 2016*

**Science (please check Ms. Sue)**

#8 IS RIGHT
*April 27, 2016*

**Language Arts, check!!!**

B,D,A,A are the right answers Zack and wolfie, ruining peoples grade for their benifits
*April 25, 2016*

**Language Arts, check!!!**

Zackary and wolfie are not correct, I had my answers: 1. B 2. D 3. A 4. A and I changed them for b,c,a,d and got 50% Those little guys ruined my grade.
*April 25, 2016*

**Language Arts**

Thanks
*April 18, 2016*

**Language Arts**

The man quickly but carefully opened the oyster’s hard shell. A. quickly B. but C. carefully D. opened I think the answer is B but i am not sure. Can you check this and explain what a conjunction exactly is. Thanks!
*April 18, 2016*

**Math**

This will help you out - 8 x __ = 80 So you can solve this by doing, 80 ÷ 8 = __ So the answer will be ___ Try doing this by yourself now. The answer is 10
*April 17, 2016*

**math**

The whole bottle = 1 = 7/7 7/7 - 3/7 = subtract 7-3 = 4 since the denominator stays the same the answer would be 4/7 Why don't you try this one for practice- 1/4 of the bottle is full. How much is empty?
*April 17, 2016*

**Statistics**

A card is drawn from a well shuffled deck of 52 cards. Find P (drawing an acre or a 9)
*April 7, 2016*

**Check my answers for drivers education please!**

you got all right but look at #6 again
*March 31, 2016*

**Health**

yes that is right
*March 31, 2016*

**PHYSICS**

With what maximum speed can an unsecured passenger stay in their seat on a Ferris wheel that has a diameter of 12 m. so, this happens when Fn is zero or mg = mv^2/r. v = sqrt(gr) so is it v=sqrt9.8 what would happen with the 12m
*March 23, 2016*

**math**

the one for bulbs is a and 3. is d
*March 22, 2016*

**math**

the one for bulbs is a and the equation is 12
*March 22, 2016*

**Microbiology**

PLEASE HELP I AM NOT SURE WHAT THE CORRECT ANSWERS ARE: I have guessed them please let me know if they are correct. 1. The LEAST likely microbe to be used as a biological weapon would have which of the following characteristics? a. spread by insect vectors b. spread by ...
*March 21, 2016*

**Calculus**

A rectangle is inscribed in the interior section cut from the parabola x = 1/4 y2 by the line x=3. One side of the rectangle lies on the line. Fine the maximum area of such a rectangle.
*March 17, 2016*

**Math**

Try different methods of teaching. Make teaching fun. For example, you can try creating a game. Hope this helps, this might be a little late. You can also try waiting depending on her age.
*March 16, 2016*

**math and algebra**

on the number line below locate and label the points the represent the rational numbers listed in part (a).Describe the relationship between these two numbers.Zero on the number line represents Isaac's balance before the mistake was made
*March 4, 2016*

**Science**

it is B the hole quick check anwsers are b b a true hope it helpss
*February 29, 2016*

**English**

a is the riht one
*February 26, 2016*

**English (Check Answers Please!)**

They are all right. 8a 9a 10a 11c 12a 13b 14c 15b 16c 17d 18d 19b
*February 25, 2016*

**PHYSICS**

a block is given an initial velocity of 3 m/s up the 22 degree plane. A.) How far up will the plane go B.) How much time elapses before it returns to its starting point. IGNORE FRICTION A) I got 1.2m B.) I got 1.6s I'm confused on this question: Both questions I think go ...
*February 24, 2016*

**geomertry**

i am at connexus and on lesson 10 unit 1 in pre-algebra b. we are at the unit test and i want to know what are the awsers please to 1-18 i have the rest, i just need to check.
*February 24, 2016*

**Health**

I have to say B, but not sure. Just because I read an article on this and it said people in suburbs have a higher probability of getting higher blood pressure due to lack of exercise. However, I do not take this course, so I would suggest looking in your textbook or lesson.
*February 18, 2016*

**Health**

I would agree; lotions, ointments, and ESPECIALLY Vaseline would irritate the burn more.
*February 18, 2016*

**maths**

You just have to look for the pattern. you get 0 when you add -2 and 2, you get 3 when you add 0 and 3, and you get 7 when you add 3 and 4. There is a pattern; every time you make the next term, you raise the number by 1 to add to the previous number. Since the gap between 3 ...
*February 18, 2016*

**Algebra**

Also, when I took this course, my teacher told me to go to google and use a standard deviation calculator to find the standard deviation. You just type in the number sequence and I got: 6.08824003031 which rounded out is 6.1
*February 18, 2016*

**Algebra**

the mean is when you add up all of the numbers and divide the sum by how many numbers are given. 6+7+19+7+18+7= 64 there were 6 numbers given, so now we divide: 64/6= 10.66666667 which rounded out is 10.6, therefore, your answer is C :)
*February 18, 2016*

**Science**

I agree with all of your answers! :)
*February 18, 2016*

**Math**

I am not going to give you the exact answers, for that would be cheating, but I will give you some answers and let you use the information to form the explicit formula. It is an arithmetic sequence. Each year, the houses money value goes down by 15,000 dollars. by the time it ...
*February 18, 2016*

**science**

forgot that last calculation :)
*February 18, 2016*

**science**

@Chanz, oops my bad, you are correct. Vf-19.6 m/s= (9.8 m/s/s)(5 s) Vf-19.6 m/s = 49 m/s Vf= 68.6 m/s
*February 18, 2016*

**science**

t=19.6/2 v=5 * 9.8 =49 m/s
*February 18, 2016*

**Math**

I agree, all you have to do is type in your calculator 1000 x 1.5, then move the decimal to the left 2 times and you get 15 dollars
*February 18, 2016*

**Geometry**

True; that would be called an isosceles trapezoid.
*February 18, 2016*

**Chem**

joules needed to melt 30.0 g of ice at 0 ∘C and to warm the liquid to 60.0 ∘C so i did Q=mFf which i set up like 30.g x 334 j/c = 10020 J then i'm sorta confused what i'm doing next. explain in detail please?
*February 15, 2016*

**Social Studies**

How does recycling influence culture
*February 7, 2016*

**READING ASAP ASAP PLEASE HELP ME!!!!!!!!!!!!!!!!!!**

the girl that has no friends is tottaly right
*January 25, 2016*

**Language**

i believe it is C.
*January 17, 2016*

**Math**

thank you
*January 15, 2016*

**math**

according to the triangle inequality, the length of the longest side of a triangle bust be less than the sum of the lengths of the other two sides. the two shortest sides of a triangle measure 3/10 and x + 1/5 and the longest measures 3/2x. write an inequality that uses the ...
*January 15, 2016*

**International business**

critically evaluate this statement 'an international retailers preferred market entry method directly affects its market Selection decisions
*December 17, 2015*

**math**

If it takes a lawn company 5 hours to cut 6 lawns, how many yards can be cut in 12.5 hours?
*December 9, 2015*

**Child Development and Human Behavior**

. Which of the following factors helps a child develop a positive self-concept? A. Material wealth B. The sex of the child C. Family relationships D. Conflicts with teachers
*December 8, 2015*

**civics**

@Reed I think #1 would be A, #3 would be C, and #2 would be B. Am I correct now?
*December 2, 2015*

**civics**

Please check my answers! 1. The Nineteenth Amendment granted women the right to vote, but women had been fighting for years for this right. Before the Nineteenth Amendment was passed, which existing amendment could women have used to argue that they should have the right to ...
*December 2, 2015*

**History**

Yes, C.
*November 30, 2015*

**Chemistry**

If you want to prepare 2.0 liters of a .25 M solution of NH4Cl, how many grams of the salt should you weigh out?
*November 29, 2015*

**Chemistry**

Assume you have prepared 100.0 mL of a buffer solution using 0.400 mol of acetic acid (pKa = 4.74) and 0.400 mol of sodium acetate. The pH of this buffer solution is initially 4.74. After preparing this buffer solution, you added 55.0 mL of a 1.10 M NaOH solution to your ...
*November 26, 2015*

**Chemistry**

A chemist needs to prepare a buffer using the carbonate system (information in the table in the previous quetion) with a final pH of 10. Which components should they mix in water to product this buffer? Question options: H2CO3 HCO3- CO32-
*November 26, 2015*

**Chemistry**

A chemist needs to prepare a buffer using the carbonate system (information in the table below) with a final pH of 6. Which components should they mix in water to product this buffer? H2CO3 HCO3- CO32- pKa 6.35 10.33 N/A
*November 26, 2015*

**Chemistry**

The pH of a buffer can be predicted using the Hendersen-Hasselbach equation: pH=pKa+ log([conjugate base][conjugate acid]) The choice of the conjugate acid-base pair (as you did in the previous questions) determines the pKa value to be used in the H-H equation. By varying the ...
*November 26, 2015*

**Help Math PLZ**

deez nuts is right! 10/10!
*November 22, 2015*

**Science**

A 6.90-g sample of solid NiSO4·6H2O was heated such that the water turned to steam and was driven off. Assuming ideal behavior, what volume would that steam occupy at 1.00 atm and 100.0 °C?
*November 19, 2015*

**Math**

Quinn
*November 3, 2015*

**precalc**

Solve in radians. 1) sin2X = 1/2 2) tan2 (X + pi/2) = 1 3) 5 - 3sec (X - pi/4) = -1
*October 27, 2015*

**Physics**

A boat moving at 5 mi/h is to cross a river in which the current is flowing at 3 mi/h. In what direction should the boat head to reach a point on the other bank of the river directly opposite the starting point?
*October 7, 2015*

**jones**

What is greaterthan 40 and less than7 tens
*October 5, 2015*

**geometry**

I need help to did anyone answer this
*September 25, 2015*

**Science**

no it is true not false
*September 24, 2015*

**W**

Some people in a hotel are dropping water balloons from their window onto the ground below. The balloons take .15s to pass your 1.6m tall window. Where should security look for the raucous guest? Express your answer using tow significant figures.
*September 23, 2015*

**Algebra**

On successive plays, the home football team gains 12 yd, loses 3 yd, loses 5 yd, gains 15 yd and runs 16 yd for a touchdown. What is the average gain or loss in yards per play?
*September 14, 2015*

**chem**

The half-life of the Nobelium isotope No^257 is about 23 seconds. 644 seconds (or 28 half-life periods) after the isotope was released there were 20 grams remaining. The number of grans of No^257 after h half life periods is M= 20 * (1/2)^h where h = 0 corresponds to 644 ...
*September 13, 2015*

**algebra**

Maria shares a house with 4 others. She pays $500 rent per month plus her utilities. If the utilities cost a total of x dollars, how much more money,M, does maria owe Write an equation for how much maria owes.
*September 9, 2015*

**math**

The standard deviation of a sample taken from population A is 17.6 for a sample of 25. The standard deviation of a sample taken from population B is 21.2 for a sample of 30. The standard deviation of the sample mean differences is_____. (Round your answer to the nearest ...
*July 15, 2015*

**Chemistry**

the volume for this question is 1 tsp. still not sure how to solve it.
*June 20, 2015*

**chemistry**

50cm3 of hydrogen is collected over water at 17 degree celsius and 750 mm Hg pressure.Calculate the volume of dry gas at S.T.P.The water vapour pressure at 17 degree celsius is 14 mm Hg?
*May 28, 2015*

**science **

,bb,j
*May 18, 2015*

**Algebra please help**

do your own work, i only come here check work!
*May 14, 2015*

**Art and Creative Development **

Art helps children socially because: A. they can make artistic products for others to see at art shows B. during are activities, they interact and learn social skills such as sharing and taking turns. C. they can make crafts that can be sold to other people. D. children cannot...
*May 4, 2015*

**Art and Creative Development **

Young children who learn easily, ask thought-provoking questions, and are very curious are often: A. gifted or talented B. behavior problems in the classroom C. poor at following directions D. overly shy and withdrawn socially i think it is between a and d but i am not sure
*May 4, 2015*

**Language Arts**

it is so easy just have toread the book you cheeters
*May 1, 2015*

**Language Arts**

i use them to check my anwsers and so far they have been right
*May 1, 2015*

**physics**

two charges of equal magnitude are 25.5 cm apart if the force between the charges is 155 N what is the magnitude of the charges
*April 28, 2015*

**math**

Sam has 18 coins in his pocket that are either quarters or nickels. The total value of these coins is $3.90. Let q represent the number of quarters and n represent the number of nickels. The following system of equations represents this situation: q+n=18 0.25q+0.05n=3.90 How ...
*April 27, 2015*

**math**

A community group bought 25 tickets to a play. Adult tickets cost $30 each and student tickets cost $20 each. In all, the group spent $620 on the tickets. Determine if each equation is a part of the system of equations that can be used to find the number of each type of ticket...
*April 27, 2015*

**Math**

amy and anonymous are right 100% baby!
*April 24, 2015*

**Geometry**

Describe the difference between saying that two segments are congruent and saying that two segments have equal length. When would you use each phrase?
*April 23, 2015*

**World History **

Explain the impact of the Japanese attack on Pearl Harbor.
*April 18, 2015*

**physics**

find the weight of a person with a mass of 68.0kg
*April 15, 2015*

**Language Arts**

1. a is wrong it was b
*April 9, 2015*

**Radiometric (Radioactive) Dating**

How old is a sample that contains 125 atoms of U-235 and 375 atoms of Pb-207? ...Given that the half life values on my handout are 713 million years. *I do not even know where to start so could you please explain in steps too? Thanks.
*March 29, 2015*

**finite math **

Sam wants to invest the same amount at the end of every 3 months so that he will have 4000 in 3 years. The account will pay 6% compounded quarterly. How much should he deposit each quarter.
*March 27, 2015*

**finite math **

A young couple saves for a down payment on a house by depositing $100 each month into an annuity that pays a 4.8% annual rate. Find the amount in the annuity at the end of 2 years.
*March 27, 2015*

**english grade 8**

winter wonder land is right
*March 23, 2015*

**Math**

420 people is t
*March 22, 2015*

**Math**

6 is right
*March 19, 2015*