# Posts by deb

Total # Posts: 374

**physics**

A small glass bead has been charged to +19 nC. A metal ball bearing 1.0 cm above the bead feels a 0.030 N downward electric force. What is the charge on the ball bearing?

**Math**

Reiny I appreciate your help but this is solving a problem by factoring which means your ultimate goal isnt just to get X=. So the answer you are giving me isnt correct for what I am trying to solve. This one of the of the ways you learn to simplify rational expressions.

**Math**

the question reads 9w-36 over 4-w I am supposed to simplify by removing factors of 1

**Math**

Simplify by removing factors of 1 9w-36/4-w What is the simplified form?

**calculus/physics**

A force of 10 pounds stretches a spring 2 inches. Find the work done in stretching this spring 3 inches beyond its natural length

**physics**

So I need to multiply by 10 not e? Is that right? So the answer should be 7.32e26

**physics**

I came out with 1.99e26 and I got it wrong. What is the point of multiplying by e?

**physics**

How many coulombs of positive charge are in 3.8 mol of O2 gas?

**physics**

A double-slit interference pattern is created by two narrow slits spaced 0.21 mm apart. The distance between the first and the fifth minimum on a screen 55 cm behind the slits is 6 mm. What is the wavelength of the light used in this experiment? Having trouble setting this up...

**physics**

A double-slit interference pattern is created by two narrow slits spaced 0.21 mm apart. The distance between the first and the fifth minimum on a screen 55 cm behind the slits is 6 mm. What is the wavelength of the light used in this experiment? Having trouble setting this up...

**5th grade math**

950 + 550 does not equal 2000. try an equation set equal to 2000 and go from there

**physics**

ok, so I came out with 293.3N...what am I doing wrong???

**physics**

The lowest note on a grand piano has a frequency of 28.1 Hz. The entire string is 2.00 m long and has a mass of 440 g The vibrating section of the string is 1.90 m long. What tension is needed to tune this string properly?

**physics**

Thank you so very much Damon!

**physics**

A 121 cm-long, 3 g string oscillates in its m = 3 mode with a frequency of 154 Hz and a maximum amplitude of 5.0 mm. What are the wavelength and the tension in the string?

**physics**

Half the wavelength is .325 but I am not getting the right answer

**physics**

a standing wave oscillating at 115 Hz on a string. The distance d between the two walls equals 65 cm. What is the wave speed?

**History Thesis....**

can anyone help me is this a good thesis if not what can I change I am lost.... Harold Grey’s Little Orphan Annie comic strip provided a message that helped people get through the Great Depression, it is suggested that this comic strip provided America with understanding ...

**Math**

Explain how a child who has not yet developed base-ten concepts understands quantities as large as say 85. Contrast this with a child who understands these same quantities in terms of base-ten groupings.

**physic**

Vertical T = force of burgular Find inclined tension using Ay = A*sin(theta) Find horizontal tension using Pythag: A^2 = Ay^2 + Ax^2 Ax is the horizontal tension

**physics**

I need to make a holder for a raw egg out of straws so when it is dropped from 8 feet. it will not break I need design ideas.

**Calculus**

limit of ((1/x) - (1/|x|) as x approaches x from the left side. i have no idea how to approach this problem.

**punctuation and capitalization**

When preparing a formal business presentation, what phase can make or break your report?

**adult education**

What is a predicate adjective and how is it used correctly?

**History**

Thank you!!!!

**History**

What was the "romantic impuse" and what did it mean for American culture? Just point me in the right direction please?

**American History**

How did the American population change between 1820 and 1860? What were some of the responses of Americans to these changes? Please just point me in the right direction. I've "googled" and haven't found much help.

**math**

Can you please explain how to put the following fractions in order from Least to Greatest? Thank you 3/10, 2/5, 1/4, 1/2

**math**

please tell me if this is correct: 1/4 + 4/5= 1 1/20 and 5/9+5/6= 1 7/18 thank you

**math**

thanks!

**math**

Please tell me if this is correct 90mm=900cm and 1400mm=14,000cm

**math**

Compare fractions-write in order least to greatest. My daughter wrote them incorrectly at first, then we found what the answer should be, but can you explain to her why the answers are what they are. Thank you. 1. 2/5, 1/10, 3/20 answer----1/10, 3/20, 2/5 2. 1/3, 3/8, 2/9 ...

**math**

Compare fractions-write in order least to greatest. My daughter wrote them incorrectly at first, then we found what the answer should be, but can you explain to her why the answers are what they are. Thank you. 1. 2/5, 1/10, 3/20 answer----1/10, 3/20, 2/5 2. 1/3, 3/8, 2/9 ...

**MATH**

Excellent, thank you!

**MATH**

1. 10 2. 10 3. 2/5 of 10= 4 4. 2/7 of 28= 8

**MATH**

MULTIPLICATION OF WHOLE #'S BY FRACTIONS. FIND EACH PRODUCT: 1. 1/2 OF 20 IS ? 2. 2/3 OF 15 IS ? 3. FIND TWO-FIFTHS OF TEN ? 4. FIND TWO SEVENTHS OF 28? THANK YOU!

**math**

Oh I'm sorry, just trying to be quick. Her answers are as follows: A. 3 B. 9/16 C. 9 and 3 Thank you.

**math**

MULTIPLICATION OF WHOLE NUMBERS BY FRACTIONS: TO FIND 3/4 OF 12... A. 1/4 OF 12 IS ? B. 3/4 IS 3 TIMES AS MUCH AS ? C. 3X3= ? SO 3/4 OF 12 IS? MY DAUGHTER WROTE HER ANSWERS, BUT I WANT TO BE SURE THEY ARE CORRECT. THANKS.

**math**

are 2/3 and 3/4 equivalent fractions?

**HRM 240**

yes, I mean personal questions

**HRM 240**

why would a company want to take out the personal effects on an interview?

**HRM 240**

has anyone ever heard of or experience a Real Job Preview (RJP)?

**Math-help please**

My daughter is doing 5th grade math division. Her teacher has shown her a different way to divide these days. I know the answer I get (the old way), but can you tell me how you get the answer for 233 divided by 29. They have her "Xing" out the last 3 in 233 and ...

**BEH 225**

What are some of the advantages and/or disadvantages of Freud's studies? What are some specifics areas?

**BEH 225**

What areas of psychology gained a positive outcome from the discovery or use of some of the psychological medications used and why?

**Hrm 240 wk1 ckpt**

how do large firms and small firms could utilize change management concepts to meet growing technology demands. Provide one example for a large company and one example for a small company of necessary changes resulting from these growing technology demands. i do not know ...

**BEH WK 1 ckpt**

I have no idea of how to start

**BEH WK 1 ckpt**

A psychologist is planning to conduct a study that would examine pathological liars and the quality of their romantic relationships. You have been asked to provide the psychologist with a recommendation for which research method should be used to gather data on the ...

**Math 115 16**

I just don't get it Simplify (-1/2) (4/3) (-6)

**Math 115 9**

Find the missing length of the right triangle. I have 7 and 24

**Math 115 17**

so -9 is correct?

**Math 115 17**

how do I simplify (-3)^3 - (-8)(-2)

**Math 115 18**

Find the best buy for tomato juice: (a) 8 oz. for $0.37 (b) 1 pt 10 oz for $1.19 (c) 1 qt 14 oz for $1.99

**Math 115 23**

Multiply 3 1/6 X 2 9/11 X 4 6/17. Write your answer in simplest form.?

**Math 115 8**

so my answer is 99

**Math 115 8**

m ‡˜ A = 81 Find the supplement of ‡˜ A. those are angle signs.

**Math 115 6**

Evaluate. 128 ÷(5^2 + 7) 128÷ (25 + 7) = 128 ÷32 = 4 correct?

**Math 115 5**

so I multiply..and my answer is squared?

**Math 115 5**

If the base of a parallelogram is 4 1/2 in. and its height is 5 1/3 in., what is its area?

**math**

Thank you, just to be sure I'm doing it correctly, 48.764 ---rounding to the nearest hundredth is 48.76 ? And 0.809 to the nearest hundredth is 0.81 ?

**math**

Can you show me how to round 3.472 and 15.197 to the nearest hundredths. Thanks.

**Math 115 CAP**

i don't know what they mean by mechanisms

**Math 115 CAP**

Describe some coping mechanisms developed in MAT 115 that can be used for another math course.

**Math 115 15 & 16**

#1. 10-15/(3)(6)-12 #2. 11-15/(6)(4)-18 this is what i come up with #1 -4/24-18=-4/6 #2 -5/18-12=-5/6

**Math 115 25**

the way the problem was originally written is the way it is presented to me. The only parentheses are the ones in the denominator around the 5's

**Math 115 25**

what do u mean this is what i come up with: -2 ÷ -5 = .4

**Math 115 25**

Perform the indicated operation 17-19 ÷ (5)(5) -30

**Math 115 17**

Simplify: -5.4 + (-2.1) + (-3.5) -5.4 +-5.6 =11.0 correct?

**Math 115 15**

sorry..that is the way it was presented to me

**Math 115 15**

Perform the indicated operation. 10-15 ÷ (3)(6) -12

**Math 115 12**

so my answer is: 7/1 and 1/21 correct

**Math 115 12**

sorry i don't understand

**Math 115 12**

Find the reciprocal of (-1/7) (21)

**Math 115 24**

Simplify: -5^3 -3 -125 -3 = 122 correct?

**Math 115 23**

Multiply (1)(–6)(–2). 1 x -12 = -12 correct?

**Math 115 # 19**

Yes..I will do it again

**Math 115 # 19**

The following information shows a relationship between the speed of a certain car over a 100-mi test trip and the gas mileage obtained: Speed 40 45 50 55 60 gas millage 35 33 28 25 22 Use this information to make a line graph and then predict the gas mileage associated with a ...

**Math 115 #20**

thanks

**Math 115 #20**

Label each statement as true or false a. All integers are real numbers. b. All negative integers are whole numbers. c. Zero is neither positive nor negative. d. All integers are whole numbers. I think all answera are TRUE am I correct

**Math 115 3**

do I change the mixed number with a common denminator or just the fradction part first? 4 1/3 = 13/3 =78/18 3 1/9 = 28/9 =56/18 2 1/2 = 5/2 =45/18 78/18 -56/18 + 45/18 =67/18 =3 13/18

**Math 115 3**

don't remember how to do any of this Have no idea of what #3 is

**Math 115 3**

#1 2/3 - 1/6 + 5/9 #2 4 1/3 - 3 1/9 + 2 1/2 #3 Find the five-number summary of the following set of numbers. (Show the work and label your answers.) 335, 234, 187, 394, 237, 452, 300, 201, 303

**Math 115 1**

thanks

**Math 115 1**

so my answer is 10.8 There were no instructions by instructor

**Math 115 1**

I did and get 10.8 so do I round it to 11

**Math 115 1**

Find the mean of the following set of numbers. 10, 8, 10, 12, 14

**Math 115**

in the demonitor, why did you put 2/2 in ().. the denominator is 2-2/(-2)

**Math 115**

why wouldn't it be 4 -3 +1 =2? the denominator is: 2-2 DIVISION SIGN (-2)

**Math 115**

the denominator is: 2-2 ÷ (-2) here is the problem again: 4 - (-3) +1 ______________ 2 -2 ÷ (-2) thanks for any help

**Math 115**

4 - (-) + 1 ____________ 2 - 2 ÷ (2) I have asked for help with this and Ms Sue said is was not able to be solved. Here is what my instruscot says: Debbie, it definitely has an answer. Be careful with your signs and remember that in the denominator you will do the ...

**Math 115**

so why wouldn't the answer be 2 over 0

**Math 115**

i will give it a shot 1 + 1 =2 ______________ -2 = 1

**Math 115**

Still need help with these 2 problems 16 ÷ (-2) * (-4) OVER 2^3 + 4 4 - (-3) +1 OVER 2-2 ÷ (-2)

**Math 115 9.5 58**

they are 2 separate problems

**Math 115 9.5 58**

16 ÷ (-2) * (-4) OVER 2^3 + 4 4 - (-3) +1 OVER 2-2 ÷ (-2)

**math**

how do you write in decimal form, five and fourteen thousandths?

**math**

thanks for your help, can anyone else cofirm?

**math**

how do you graph 0.04 on a grid sheet with counting squares in the hundreths? Would it be the first 4 blocks colored in? _____________________ x_____________________ x_____________________ x____________________ x____________________ _____________________ Same thing on a ...

**8th grade**

what are the pros and cons of industry

**Math 115**

16÷(-2)x 4 OVER 2^3 +4 I have no idea of how to do this