# 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?

**Algebra 1**

Thank you so much, sir!

**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.

**College Algebra**

scored 56, needs between 76 and 87

**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?

**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?

**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

**algebra**

alrigth thanks again

**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 :(

**algebra**

ã

**algebra**

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

**algebra**

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

**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

**algebra**

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

**algebra**

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

**algebra**

thanks jen

**algebra**

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

**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

**algebra**

thanks ariel

**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

**algebra**

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

**algebra**

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

**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

**algebra**

Thank you Jen :)

**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!!!!!!!!!!!!!!!

**algebra**

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

**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

**algebra**

thanks drwls i have the correct answer thanks again :)

**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...

**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

**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

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