# Carolina

Most popular questions and responses by Carolina
1. ## Math I need help ASAP!

1. which of the following is true of a random sample? a. it is the only way to sample a population. b. each member of the sample is a volunteer. c. it is always the easiest way to sample a population. d. each member of the population has an equal chance of

2. ## Math

Three times as many children as adults attend a concert on Saturday. An adult's ticket cost \$7 and a child's ticket cost \$3. The theater collected a total of \$6,000. How many people bought tickets?

3. ## physics

A student throws a set of keys vertically upward to his fraternity brother, who is in a window 3.95 m above. The brother's outstretched hand catches the keys 1.80 s later. (a) With what initial velocity were the keys thrown?

4. ## phyisics

an orangutan throws a coconut vertically upward at the foot of a clif 40 m high while his mate simulaneously drops another coconut from the top of the clif. the two coconuts collide at an altitude of 20 m what is the initial velocity of the coconut that

5. ## math

A square with side length 5.5 mm is increased by a factor of 11. What will be the perimeter of the square after dilation?

6. ## Math

A cookie recipe called for a half cup of chocolate chips per 3 dozen cookies. How many cups of chocolate chips should be used for 10 dozen cookies?

7. ## Math

4 ^ (3x–1) = 1.5625 × 10 ^(–2)

8. ## Chemistry

Magnesium metal reacts with HCl solution, liberating H2 gas and generating Mg2+ cations in solution. A 2.970-g sample of Mg metal is added to 50.0 mL of a 4.00 M HCl solution, and the reaction goes to completion. How many grams of H2 are formed?

9. ## mba business reserach methods

Sampling A manufacturing company's quality control personnel have recorded the proportion of defective items for each of 500 monthly shipments of one of the computer components that the company produces. See data below. The company doesn't have time to

10. ## english

children insulted palmer ans sometimes threw stones at him. Grown men hurled rocks though the windows of his house. Even the local minister _______(e)d palmer, telling the congregation that palmer admired only himself. One day, four men carrying scissors

11. ## CST GEOMETRY

a tree is situated on level ground from a point 135 feet from the base of the tree the measure of the angle of elevation from the ground to the top of the tree is 43 degrees which is the height of the tree to the nearest foot?

12. ## Geometry

Two secants are drawn to a circle from an external point. The external secant length on the first secant is 12 and the internal segment length is 3x +1. The external secant length on the second secant is 15 and the two internal segment length is 3x-1.

hundred chart to subtract 12 from 46

14. ## Chemistry

Write net ionic equations for these reactions : Cu^2+ + Fe -> Hg^2+ + Fe-> Fe^3+ +Fe-> Pb^2+ +Fe-> Ag^+ + Fe-> and then the same but instead of Fe, addition of Cu to the six solution that I wrote before.. What ions are reacting in each case? please help me

15. ## calculus

how do not understand how to find a deriviative of this function?Do i use chain rule and product rule? r= the square root of (theta*sin*theta)

16. ## Calc--derivatives

find the der of y= x^(lnx) thanks

17. ## math (factoring)

how do i factor: 4q² - 9r² ??

18. ## math

solve the equation Ig(x+14)-Ig(x-2)=2Ig5

19. ## algebra

math question: you want to mat and frame a 5x 7 photograph. The perimeter of the outside of the mat is 60 inches. the mat is twice as wide at the top and the bottom as it is on the sides. Find the dimensions of the mat

20. ## chemistry

Iron reacts with HCl solution to give H2 gas and Fe2+ ions. Suppose that 5.4 g of iron are to be dissolved in 1.1 M HCl. What is the minimum volume (in mL) of the acid solution required to react with all of the iron?

21. ## mathematics

if k=log(squareroot9+squareroot5)/log(2), express log(squareroot9-squareroot5)/log(squareroot2) in terms of k.

22. ## Math

Three times as many children as adults attend a concert on Saturday. An adult's ticket cost \$7 and a child's ticket cost \$3. The theater collected a total of \$6,000. How many people bought tickets?

23. ## math

can somebody show me how to do this? at what point on the graph of y= 3^x +1 is the tangent line parallel to the line y= 5x -1 ?

24. ## math

how do i find dy/dx using implicit rule? (x^2)y +x(y^2)=6

25. ## science

what force is keeping an object in the air and what force is bringing it down

26. ## social studies!!

What William Penn's and Benjamin Franklin's contribution to the Middle Colonies?

27. ## algebra

how do you work this problem ???? . . . X+(-9)=-5

28. ## Geometry

how do you find length when you are given perimeter and width? area? the length of what??????? wow You divide the perimeter by the width!Somebody helped me with this question to. in.=4yd.

29. ## math

i)use the substitution u=2^y to express the equation 3(2^y-1)=2^y+4 as a linear equation of u ii)hence solve the equation 3(2^y-1)=2^y+4

30. ## English

can you help me to answer these questions? What lifestyles (lifestyle is a manner of living that reflects the person's values and attitudes) can people lead? What are the main differences among lifestyles? What do you have in mind when you speak about

31. ## health

what is a sentence with the word nutrition

32. ## math

the water tank begins full.create a scatter plot to represent the amount of water in the tank over a 24-hours period

33. ## algebra

how do you simplify this with a positive exponent: p^8/p^-5

34. ## Chemistry

How Many molecules Of sodium are contained in 2 L Of sodium dichromate? The density Of sodium dichromate is 3.7 g/ml

35. ## math

can someone actually show me all the steps to finding this deriviative. I keep doing the problem out and getting the wrong answer. Find the deriviative of: INVERSEsin(2t)^1/2

36. ## Math

compare to 1/2 to tell which fraction is greater 8/17 , 13/23

37. ## science! help

What are some ways that energy from the sun is being used in a community??? Please Help

What are some ways that energy from the sun is being used in a community!! Please Help

39. ## social studies!!

Why was a milliner important to the village?

40. ## social studies!!

What tools did a milliner use? I have needles, iron, thread, fabric, thimble, and scissors!

41. ## science

I have a science fair project and i was wondering what is a good green plant to use that grows quickly?

42. ## social studies!!

I need a sentence using two of these three words!! proprietor, representative, and treaty!! HELP!!

43. ## English!!

I need help!! what is the blank? change: variable:: move:_______ private:public:: major:_______ ancient:old::______:new go:went::_____:rose tree:forest::star:galaxy please reply!!

44. ## science

how dose oceanography effect the planet earth

1. ## Geometry

How will the area of the circle change if it is dilated by a scale factor of mc004-1.jpg?

posted on July 5, 2019
2. ## Chemistry

2141.37

posted on February 13, 2017
3. ## Chemistry

While in Europe, if you drive 123 per day, how much money would you spend on gas in one week if gas costs 1.10 per liter and your car's gas mileage is 23.0 ? Assume that .

posted on February 13, 2017

susie has 3 quarts of milk how many oints does she have

posted on May 12, 2016
5. ## Maths

A=4πr^2=4·π·100^2≈1.25664×10^5 V=4/3π r ^3=4/3·π·100^3≈4.18879×10^6

posted on November 17, 2015
6. ## Barrles

The value of c could be 5 or any number greater than 5. The solution is the intersection of both solution sets of the given inequalities. The solutions of the compound inequality must be solutions of both inequalities. A number cannot be both less than 5

posted on November 17, 2015
7. ## Math I need help ASAP!

1. d

posted on May 27, 2015
8. ## Math I need help ASAP!

2. false 3. b.

posted on May 27, 2015
9. ## Math

Sarah was cutting fabric for a quilt. She cut a strip of fabric that was inches long into 5 equal pieces. When she was finished cutting, Sarah had a piece that was inches long. How long was each piece that she cut for the quilt

posted on October 10, 2013
10. ## Algebra

The area of a triangle is 22 , with a base of 8 yards. What is the height, in yards?

posted on June 26, 2013
11. ## MATH

459+20x=559 5 hours

posted on May 3, 2012
12. ## Health-Care

Some technical terms pass into common usage as knowledge about a field spreads. Think of three such terms that have passed into common usage recently

posted on November 2, 2010
13. ## algebra

x*84=12*91 x*84=1092 x=1092/84 x=13

posted on September 16, 2010
14. ## math

explain how you can use a hundred chart to subtract 12 from 46

posted on September 15, 2010

writing in math explain how you can use a hundred chart to subtract 12 from 46

posted on September 15, 2010
16. ## English

thanks :)

posted on September 14, 2010
17. ## English

thank you :) What are the main differences among lifestyles?

posted on September 14, 2010
18. ## English

i don't know that is traditional and modern lifestyles.

posted on September 14, 2010
19. ## chem

He's right. When you reduce H2O2 in basic solutions you have to add OH- to balance the equation.

posted on May 14, 2010
20. ## urgent math

write an integer for a profit of \$12.00

posted on January 27, 2010
21. ## health

thank you

posted on November 11, 2009
22. ## Calc--derivatives

did u get e^(lnx) / x^2 ??

posted on October 13, 2009
23. ## Calc--derivatives

ummm.. i don't understand your language! can you explain that in baby terms? thanks!

posted on October 13, 2009
24. ## phyisics

why didyou use these equations Go to the bottom coconut 20=Vi*t-1/2 g t^2 Now go to the top coconut 20=40-1/2 g t^2

posted on October 12, 2009
25. ## phyisics

and what do you mean by top and bottom? thanks

posted on October 12, 2009
26. ## phyisics

waht is g?

posted on October 12, 2009
27. ## science! help

i know but i need more ideas!!

posted on May 25, 2009
28. ## social studies!!

thanx!!

posted on May 10, 2009
29. ## social studies!!

THANX!! SOCIAL STUDIES IS CONFUSING SOMETIMES!!

posted on April 7, 2009
30. ## social studies!!

thanx!!! but i can't use it since i haven't learned about it!! It has to be about starting the middle colonies new york and new jersey!

posted on April 7, 2009
31. ## English!!

thanx!!

posted on April 7, 2009
32. ## HSPA

please i need help in math now i'm in 10 grade but i'm very worry about the hspa i think that won't pass it if i don't have help i'm so confuse !!!

posted on January 4, 2008
33. ## algebra

yes thanx now i get it

posted on August 28, 2007
34. ## algebra

i still don't get it

posted on August 28, 2007
35. ## algebra

ii still don't get it

posted on August 28, 2007
36. ## algebra

but why does X = -5 +9

posted on August 28, 2007