# Posts by liana

Total # Posts: 19

**biology**

what kind of bond holds the hydrogen to the oxygen in one water molecule??

**math 103**

find a possible equation for a line that is perpendicular to the graph of 5x-3y=15 if the two lines intersect at x=15

**Math**

I have 13 tens who am I?

**6th grade math**

Dakota, Jacob already wants me. He'll never like anyone like you. No one likes you.

**math class**

If f (3) = 9 and f ´(3) = 4, find the tangent line to the graph of f when x = 3. y = 4x - 3 y = 4x + 21 y = 9x - 23 y = 9x + 31

**math class**

Find the slope of the tangent line to the graph y = x^-3 at the point (0.5, 8). -48 -12 4 16

**solubility**

2.08*10^-9

**chemistry**

What is the de Broglie wavelength in nm of a buckyball, (molecular formula C60), moving at speed 250 m/s? I don't understand how you find the mass from the molecular formula C60. The answer is 2.2*10^-3nm. I tried multiplying the mass of carbon by 60, but it didn't ...

**Geometry**

Why is the apothem of an equilateral triangle one third its height?

**Geometry**

Why is the apothem of an equilateral triangle its one third height?

**math**

jessica has 24 shirts .1/6 are red.1/3 are yellow.4/12 are green. the rest are blue.how many are blue

**3rd grade**

how do you use thought in a sentence

**Math**

At 1 pm two trains, traveling toward each other leave from towns that are 312 km apart. One train averages at most 82km/h and the other at most 74km/h. What is the earliest possible time for them to meet? Please help me solve this. I'm not exactly sure how to set up the ...

**science**

What causes soil erosion

**EA**

Anyone else working on An overview of teaching techniques study unit???

**Teacher Aide**

Where would you most likely find a token economy as a form of classroom management? A} RRP B} Contract approach C} Contingency management approach D} RIP approach

**biology**

during the preparation of the capsule stain, the slide used to spread the India ink/bacteria mixture is discarded in the disinfectant solution why?

**math**

because he has fleece. I had that for homework :)