Friday

February 24, 2017
Total # Posts: 29

**Math**

1/11 of 132 Evaluate

*July 13, 2016*

**someone help me fast please...**

help i don't know how to do this. please help.

*January 6, 2014*

**Reiny please...**

Yes Reiny i was post to hand this in in December but i was sick for lot of days so i couldn't. i have to hand this in tomorrow or my marks will go down. its already down. please help me. i tryed it but i couldn't do these two questions. please Reiny help me please. ...

*January 6, 2014*

**math**

SOMEONE DO THIS FOR ME PLEASE.....PLEASE DO THIS FOR ME PLEASE.....

*January 6, 2014*

**math**

*Consider the function g(x)=x/x-7. a)Summarize the increasing and decreasing intervals. b)Compare the slopes of the tangents at the points where i) x=7.5 and x=20 ii) x=6.5 and x= -20

*January 6, 2014*

**someone help me plz...**

someone answer me plz....

*December 30, 2013*

**bio**

Why does changing the pH affect the enzyme activity?

*December 30, 2013*

**bio**

How is the oxygen production in 30 seconds related to the rate of the reaction?

*December 30, 2013*

**math**

i meant b) please help me....

*December 15, 2013*

**math urgent please...please...**

I couldn't do g). someone help i need it in the morning. help me please. do it for me please. Show me the steps too please...please...

*December 15, 2013*

**thanks Reiny**

Thank you so much Reiny. thanks a lot.

*December 15, 2013*

**help me please**

ya i seen that on have the same question that i got, but when i try to sketch the function of x/x-7 on the wolfram Alpha i get the wrong answer, so i couldn't do a and b without graphing this. *help me please*

*December 15, 2013*

**math**

Consider the function g(x)=x/x-7. a) Summarize the increasing and decreasing intervals. b) Compare the slopes of the tangents at the points where i) x=7.5 and x=20 ii) x=6.5 and x=-20

*December 15, 2013*

**math ergent please please...**

10.a)Solve the inequality x^3-5x^2+2x+8<0 by i) using intervals ii) considering all cases I did this but my teacher said that when i solved this: x^3-5x^2+2x+8<0 (x+1)(x^2-6x+8) (x+1)(x-4)(x-2)<0 She told me to show all the steps, but i don't know how to show more...

*November 29, 2013*

**Reiny help please...**

can u please explain to me how to find these sign < >. how do u know which direction it goes to. help me please. i have a test tomorrow. so please let me know. please quick.

*November 27, 2013*

**math ergent please...**

10.a)Solve the inequality x^3-5x^2+2x+8<0 by i) using intervals ii) considering all cases I did this but my teacher said that when i solved this: x^3-5x^2+2x+8<0 (x+1)(x^2-6x+8) (x+1)(x-4)(x-2)<0 She told me to show all the steps, but i don't know how to show more...

*November 27, 2013*

**math ergent please**

3. Factor x^4-3x^3-11x^2+3x+10 completely using the factor theorem. (5 marks) SHOW ME ALL THE STEPS PLEASE.

*November 26, 2013*

**math**

9. A company that manufactures a specialty line of high performance racing boats has determined that its profit margin can be represented by the equation, PM(x)=-x^3+7x^2-10x, where x is in thousands of dollars. a) graph without technology. b) determine the production numbers ...

*November 26, 2013*

**math ergent please**

7. Given the function f(x)=Kx^3-mx^2+3x+7, determine the values of k and m if the remainder is -2 when f(x) is divided by x+1 and -4 when f(x) is divided by x-1

*November 26, 2013*

**math**

A survey of Chaicago sports fans asked them 3 questions about which they prefer. Each fan must give exactly 1 answer to each question. Given a choice between the Cubs and White SOx, 40% chose cubs. Between the Bulls and Blackhawks, 57% chose bulls. between wildcats and maroons...

*May 3, 2011*

**Physics - Doppler Effect**

25.0 m/s

*March 28, 2011*

**physics H----please help!!!!**

Suppose a cord is a heavy rope of mass 1.0 kg. Calculate the acceleration of each box and the tension at each end of the cord, using the free-body diagrams. Assume the cord doesn't sag. (m1 = 8.5 kg , m2 = 12.5 kg and FP = 36.0 N)

*November 16, 2010*

**physics vs. Chem**

Doesnt physics seem to be harder than chem? Anyone?

*October 24, 2010*

**physics!!!!!! (The questions are actually short)**

CAn an object be increasing its speed with negative acceleration-----explain why or why not give an example of when both velocity and acceleration are neg. can the magnitude of a vector ever equal or be less than one of its components? If you are riding a train that speeds ...

*October 24, 2010*

**5th Grade Math**

43, 59, 73

*October 13, 2010*

**PHYSICS H!!!!**

NOT SURE WUT I M DOING WRONG--- SO HEREZ THE ? PLEEZE HELP ME!!! ----A projectile is shot from the edge of a cliff h = 225 m above ground level with an initial speed of v0 = 155 m/s at an angle of 37.0° with the horizontal Determine the range X of the projectile as ...

*October 11, 2010*

**english**

what about food???? the industry?, the variety?,healthy vs unhealthy?

*October 11, 2010*

**physics honors**

You are given a vector in the xy plane that has a magnitude of 100.0 units and a y component of -50.0 units (b) Assuming the x component is known to be positive, specify the vector which, if you add it to the original one would give a resultant vector that is 85.0 units long ...

*October 10, 2010*

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