# Posts by Denice

Total # Posts: 24

**Calc**

Can you help me find the first and second derviative for xsquare root 4-x^2. FOr the first one I got -2x^2-4/square root 4-x^2. And for the second derviative I got -4(4-x^2)^1/2x+(2x^3-4x)(1/(4-x^2)^1/2) over 4-x^2 Can u let me know if they are correct if they arent what are ...

**pre calc**

The number N of bacteria in a culture at time t (in hours) grows exponentially according to the function N(t) = 1000e^0.01t. 1.What is the population after 4 hours? 2.When will the number of bacteria reach 1700? 3. When will the number of bacteria double? Please help and show ...

**Chemistry**

2 NH ClO (s) ---> 4 H O(g) + Cl (g) + 2 O (g) + N (g) In an experiment, 4.56 g NH ClO decomposes completely in a rigid 5.00-L container. What is the total pressure in the container if the final temperature is 229 C? Give your answer in atmospheres, accurate to three ...

**math**

a golf driving range charges a flat fee of $20 to practice and then $5.75 for a bucket of balls. write an equation that models the charges (c) in terms of the number of the of bucket of balls (b) that you use.

**Pre-Calculus**

Solve the equation 4sin x = e^x on the interval (0, 1). Correctly rounded to two decimal places, x=

**ECC**

When do parents start to socialize their children in earnest? 1) The 1st year when babies can interact socially. 2) The 2nd year when toddlers are first able to comply with parental directions. 3) The preschool years when children start formal schooling. 4) Early adolescence ...

**algebra**

A jet flies with the wind at 1100 km/hr and 750 km/hr against the same wind. Find the rate of the wind and the speed of the plane show the equation for solving

**Algebra**

SOLID! thanks reiny!

**Algebra**

Ok ive attempted what i think might be an answer... x-12 ---- 3 ---- 5x+1 ---- x Right? and then i flip flopped it so i could multiply it.. (x-12) x ------ x ----- 3 5x+1 (the x in the middle symbolizes multiplication) so after i multiply them out i get... (x^2)-12x --------- ...

**Algebra**

Ok one last complex fraction on the worksheet, can i get some help with it? [(x/3)-4] --------- [5+(1/x)]

**Advanced algebra**

Isn't there a different method you're sposed to use? like finding a common denominator? im thankful that your helping me but all those number got a little confusing... what if i said it looked more like this the dash mark is a division symbol... this is what it looks ...

**Advanced algebra**

How do i simplify this complex fraction? (x+3)/(3x^2)/(6x^2)/[(x+3)^2]

**chemistry**

how to dilute 7.75g of conc. HCl in 1000cm3?

**chemistry**

2L of 2M solute of HCI must be diluted to an 1M concentration. What will the final volume be after ?

**Environmental science Project**

Provide at least three freshwater and three ocean water resource challenges by filling in the following table. Then respond to the question that follows

**adult education**

Post a 200 to 300-word summary of a current issue between Native Americans and the federal government. Identify the legislation you think is linked to the issue, and explain why you think there is a connection. Consult the National Congress of American Indians website, the ...

**Language Arts**

ugly beautiful

**Language Arts**

this is a pair of antonyms with missing vowels glybtfl

**4th grade**

what antonyms are these nncntglty

**antonyms**

ldyng

**English**

Does anyone hae an idea of where I could look for the moral of this fable

**English**

The young man was clean shaven and neatly dressed. It was early Monday morning and he got on the subway. It was the first day of his first job and he was slightly nervous; he didn't know exactly what his job would be. Otherwise he felt fine. He loved everybody he saw. He ...

**English**

I am trying to figure out the moral of a fable written by Robert Fox. It is about a boy going on an interview and meets a girl who is sitting with her mother on the train and before the ride is over says he wants to marry her.

**math (combinations)**

How many different teams of eleven players can be selected from fifteen members?

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