# Annon

Popular questions and responses by Annon
1. ## Math

Which trigonometric function requires a domain restriction of [0,π/2)u(π/2,π] to make it invertable?

2. ## Algebra

Hey can anyone help me with the Algrbra 1A semester exam lesson 2 unit 4 thank you

3. ## Language Arts Help

Hi, I need u guys to check this Connexus work for me. I'm leaving connexus soon so this may be the only time u see me -> = My Guess/Answer ________________________________________ 1. What is the purpose of subheadings in informational text? A. To Highlight

4. ## math

can someone help me with unit 4 lesson 4 2. x-7>10 thanks

5. ## Math

What is the. Solution to 89+k=-42? A)k=131 B)k=47 C)k=-47 D)k=-131

6. ## science(chem 11)

did a lab on separation of salt and sand. the initial mass that my teacher gave me was the stock mixture that was: salt= 54.79g; sand= 97.90g. after the experiment my mass were as follow: salt= 1.35g; sand= 3.17g. question #1 was asking about the %

7. ## chemistry 11

i did a lab on separation of salt and sand. the initial mass that my teacher gave me was the stock mixture that was: salt= 54.79g; sand= 97.90g. after the experiment my mass were as follow: salt= 1.35g; sand= 3.17g. question #1 was asking about the %

8. ## chemistry 11

i did a lab on separation of salt and sand. the initial mass that my teacher gave me was the stock mixture that was: salt= 54.79g; sand= 97.90g. after the experiment my mass were as follow: salt= 1.35g; sand= 3.17g. question #1 was asking about the %

9. ## physics

As preparation for this problem, review Conceptual Example 10. The drawing shows two planes each dropping an empty fuel tank. At the moment of release each plane has the same speed of 105 m/s, and each tank is at the same height of 4.79 km above the

10. ## gr. 12 vectars

a paralelogram has an area of 74 cm^2 side lengths are 9cm x 10 cm what are the measures of the interir angles of the paralelogram? i did: Area=|axb| 74=9(10)sin(angle) sin^-1(74/90)=angle angle=55.3 degrees

11. ## Vector Cross & Dot Product

Given vector a=(2,1,0)and vector b=(-1,0,3) and vector c=(4,-1,1), calculate the following triple scalar and triple vector products. 1. c x a dot b What I did: c x a = ((-1)(0)-(1)(1), (1)(2)-(4)(0), (-1)(2)-(4)(1) =(-1, 2, -6) (cxa) dot b =(-1,2,-6) dot

12. ## chemistry

If 124 g of ice at 0.0°C is added to 1.36 L of water at 90 °C, what is the final temperature of the mixture?

13. ## Math

Raul says he has equal numbers of dimes and quarters and four times as many nickles as dimes. The value of his nickles and dimes is 50 cents more than the value of his quarters. How many of each kind of coin does he have?

14. ## statistics

800 people where asked what sport they liked 120 said football what is this as a fraction in its lowest form ?

What important contribution did the Phoenicians make to world civilizations? !@#\$%^&sntly, I don't know. How was htat contribution spread to other cultures?

16. ## Geometry

B is the midpoint of AC, if AB=3x+4 and AC = 15x-19, find x and bc

17. ## Math Challenge

Please help, even if you only know 1 answer. 1. The length of each side of rectangle R is an integer, and the area of R is 2009. What is the largest possible perimeter of R? 2. If i place all three operational symbols +, -, x, in all possible way into the

1. ## Algebra

As you can see, once every year this post gets 1000x the attention

posted on February 19, 2020
2. ## Check my work

Your on this website why? Yikes? this is a cheating website REALLY??

posted on February 14, 2020
3. ## Science

No, its A,B,C,B

posted on September 25, 2019
4. ## Chemistry

d. would be lower morality calculated of permanganate than actual molarity

posted on October 5, 2018
5. ## Language Arts

Anna is right stop trying to tell people otherwise I literally just took it and got a 100

posted on September 4, 2018
6. ## math HELP!!!!!!

is anonymous right?

posted on May 16, 2018
7. ## chemistry 11

oh so i was doing it right all along but when i calculate the %error for the salt it gives me something like .1.. then you multiply by 100(to get percentage) and it gives you 100+%. are you supposed to get that?

posted on October 14, 2016
8. ## chemistry 11

i don't get what you mean by "see your post above"? am i doing something wrong or the way im saying it you don't understand it. pls help me.

posted on October 14, 2016
9. ## Science

since density equals mass/volume it would be. 200g/150ml~1.3

posted on October 14, 2016
10. ## Geometry

die

posted on July 21, 2016
11. ## Spanish

c b/c its the yo form...

posted on October 28, 2015
12. ## science

Composite Volcano

posted on December 18, 2012
13. ## English

I am waiting for the rain for such a Long time This heat is suffocating Air conditioner has just become the prime Opening the windows and everywhere there is grime Feels like I am in a desert Will it ever Rain or will it stay forever hazard? Time has

posted on June 6, 2011

thank you so much!!!!

posted on April 28, 2011
15. ## maths

About 5.4 cm ^2. (decimal keeps on repeating with different numbers). P=lw Since the perimeter is 85 cm, and the width is 15.4, you substitude and solve to get 15.7x=85. Do the same for both sides (divide 15.7) and you get x= about 5.4. God Bless!

posted on April 28, 2011
16. ## physics

(1) T cos theta = mg m = (T/g) cos theta (2) T sin theta = m V^2/r = (T/g) cos theta V^2/r tan theta = V^2/(gr) V = sqrt [g r tan theta) 3) V * period = V/f = 2 pi r f = [1/(2 pi)]* sqrt (g r tan theta)

posted on April 20, 2011

Oh yeah! I remeber I learned THIS in schooL! I remeber now!! THANK YOU SOO MUCH MS.SUE!

posted on April 10, 2011
18. ## Chemisdtry - Lewis Structures (check + help)

C has 4 electrons, O has 6 electrons + -2 charge adds 2 more electrons 4 + (3 * 6) + 2 = 24 electrons 4 atoms * 8 electrons per atom = 32 electrons 32 – 24 = 8 electrons 8 electrons ÷ 2 electrons per bond = 4 bonds 24 – 8 = 16 electrons 16 electrons =

posted on February 13, 2011
19. ## Preschool/child dictation

A. When writing dictation for preschool it is most important to respect their words and write them exactly as they say them. Not doing so would confuse them when you read back to them what they have said. (This response was copied verbatim from another

posted on January 14, 2009
20. ## Algebra Problem

7,5 r right

posted on March 22, 2008
21. ## computers

Count in increments of 256MB

posted on March 21, 2008
22. ## computers

Please ignore the last two answers. Suppose Fred's Computers advertises that their new computer comes with exactly 1,200 megabytes of RAM in main memory. Why is this unlikely to be true? Answer: The reason this is unlikely true is due to the 1200MB of RAM.

posted on March 21, 2008
23. ## english

MLA No these are all my words i did not quote anything but stated his position from his essays.. thanks

posted on March 19, 2008
24. ## computers

array programming, module-based programming and object-based programming (Fortran 90 / 95), and object-oriented and generic programming (Fortran 2003).

posted on March 19, 2008
25. ## home economics

buy hybrids. reduction in .35 to .20 or less

posted on March 19, 2008
26. ## Physical Science

(B) is typically measured in either teslas (SI units) or gauss (cgs units), while the magnetic field intensity (H) is measured in Amperes/meter (SI units) or oersted (cgs units). First, changes in either of these fields can cause ("induce") changes in the

posted on March 19, 2008
27. ## Algebra

what do u need to figure out with the 2 givens?

posted on March 19, 2008
28. ## Math

25mpg..excluding other factors 1 mph = 1.609 km/h

posted on March 19, 2008
29. ## American History

Try to read a little about the roaring 20's and what happened to women at that time. The womens rights movement is a part of something much larger. Woman fought for a long time. The Bill of Rights, due process clause of the 14th Amendment and related

posted on March 19, 2008
30. ## marketing

they just want you hooked, want their product to cycle through your diet as often as possible. I feel that the wellness and health are just used to push their products, quick meals, snacks...like i said as often as possible, fast. Kraft products are full

posted on March 19, 2008