# Posts by Kiddo

Total # Posts: 31

**Physics **

A spring is compressed a distance of 'x' stores 500J of energy. How much energy is stored in the spring if it is compressed a distance of 4x?

*March 22, 2017*

**Algebra 1**

Thank you so much, sir!

*September 23, 2015*

**Algebra 1**

Which sum of difference is equivalent to the following expression? 2x + 3 ______ 4 a.) x/2 + 3/4 b.) x/2 - 3/4 c.) 3x/4 + 3/4 d.) 8x + 24 I think it's either a or d, please help me.

*September 23, 2015*

**College Algebra**

scored 56, needs between 76 and 87

*September 25, 2011*

**physics**

a 145g baseball is thrown up at 40 m/s. after traveling a distance of 50m in the air, the baseball is caught. the ball experienced air resistance of what magnitude?

*November 30, 2010*

**physics**

a 145g baseball is thrown up at 40 m/s. after traveling a distance of 50m in the air, the baseball is caught. the ball experienced air resistance of what magnitude?

*November 30, 2010*

**algebra**

find the distance between (0,-5) and (-6,8) a)6.70 b) 13 c) 14.32 d)3.87 and the answer i picked was c can you tell me if its right or wrong

*June 24, 2010*

**algebra**

alrigth thanks again

*June 24, 2010*

**algebra**

well reiny i did you said to do and it still didn't come out like yours i don't know what that might be :(

*June 24, 2010*

**algebra**

Goodmorning Reiny why can't I put the square root sign like you have it and I have a Dell computer. T

*June 24, 2010*

**algebra**

simplify: sqrt (6/11) a) sqrt (66/11) b) 6 sqrt (11/11) c) 6 sqrt (11) d) 6

*June 24, 2010*

**algebra**

Solve: sqrt (3)b + sqrt (2) = sqrt (7)b - 10 a) none b) (3) c) (-3) d) (-4) i need to know if my answer is correct or not and the answer i picked is a thanks

*June 24, 2010*

**algebra**

simplify the following radical expression: 4 sqrt (625) a) 5 b) sqrt (25) c) 25 d no solution exists''. a

*June 23, 2010*

**algebra**

``find the distance between (-2,9) and (-5,15) a)45.02 b) 6.17 c)24.18 d) 18.67''. d

*June 23, 2010*

**algebra**

thanks jen

*June 23, 2010*

**algebra**

Simplify: sqrt (12) - sqrt (27) a) - sqrt (15) b) -5 sqrt (3) c) -15 sqrt (3) d) -sqrt (3) i think d

*June 23, 2010*

**algebra**

Solve: sqrt (3)b + sqrt (2) = sqrt (7)b - 10 a) none b) (3) c) (-3) d) (-4) i need to know if my answer is correct or not and the answer i picked is a thanks

*June 23, 2010*

**algebra**

thanks ariel

*June 23, 2010*

**algebra**

Solve: -d = 3 sqrt () d - 2 a) {6} b) {3,6} c) {3} d) none can you show me how to put the symbols for sqrt

*June 9, 2010*

**algebra**

sqrt () 1 - s = 2 a) {3} b) {1} c) {-3) d)0

*June 9, 2010*

**algebra**

i think i figure out this answer myself its d but i could be wrong

*May 30, 2010*

**algebra**

Find the sum in simplest form. 7mn + 5m^2 + 3n^2 + 2mn a) 15m^2n^2 + 9mn b) 7mn + 5m^2 +3n^2 + 2mn c) 15m^2n^2 + 9m^2n^2 d) 5m^2 +3n^2 + 9mn

*May 30, 2010*

**algebra**

Thank you Jen :)

*May 30, 2010*

**algebra**

What is the complete factored form of the following polynomial? 40u^2v + 50uv^2 a) 10u(4uv + 10v^2) b) 5u(8uv + 10v^2) c) 10uv(4u + 5v) d) 5v(8u^2 +10uv) Thanks!!!!!!!!!!!!!!!

*May 30, 2010*

**algebra**

Classify the following polynomial -32xyz a) monomial b) binomial c) trinomial

*May 29, 2010*

**algebra**

Write the answer to this problem in scientific notation. (6.50*10^-2) (2.00*10^4) a)1.30*10^-6 b)1.30*10^-8 c)13.0*10^2 d)1.30*10^3

*May 28, 2010*

**algebra**

thanks drwls i have the correct answer thanks again :)

*May 6, 2010*

**algebra**

Sara and her sister Emily both collect charms for their charms bracelets. Together they have 42 charms. Emily has 2 more charms than Sara. How many charms does each girl have? a) Emily has 22, and Sara has 20. b) Emily has 20, and Sara has 22. c) Emily has 18, and Sara has 24...

*May 6, 2010*

**algebra**

what is the solutionof the following linear system? 2x + y = -1 x + 1/2y =-1/2 a) (2,1) b) none c) (1/2,-2) d) infinite number of solutions

*May 6, 2010*

**algebra**

what is the solutionof the following linear system? 2x + y = -1 x + 1/2y =-1/2 a) (2,1) b) none c) (1/2,-2) d) infinite number of solutions

*May 5, 2010*

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