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Find the second derivative of a function

Find the second derivative of the function .  

If 25.00 mL of 0.1105 M NaOH requires 16.15 mL HCl solution to reach the phenolpthalein endpoint, (a) what is the volumetric ratio of HCl to NaOH?(b)what is the molarity of the HCl solution?

One of the ways we can improve reading comprehension is by asking ourselves specific questions about the text. Answer the following question to try and better comprehend "Specimen Days" by Walt Whitman.

In the underline portion of section one, WHEN are the event in the text occurring?

A. April 13th, 1861

B. the present day

C.  14 days before 1861

Virtual memory with pagination system is a central memory management mechanism that allows:

a. To significantly increase the number of processes in central memory.

b. To greatly increase the physical memory space of the machine.

c. To increase only the space of memory shared between processes.

d. None of the answers.

9. A right triangle is given (ABC=90)

BD is the height to the hypotenuse AC. F is on the side BC

making DF ⊥ BC. E is on BA making DE ⊥ BA.

a. Prove: EF and BD are equal to one another and intersect one another

b. Prove: ED²=DF*AE

Security is assured more with:

A. centralized system.

b. distributed system.

c. personal computer

d. None.

First time earth in coming the age or hen

The area of a square field is 617796cm^2. Find the length of its each side.

Plz Answer StepByStep and correct.

1. what is pollution

What is 1+1