Thursday

March 5, 2015

March 5, 2015

Total # Posts: 26

**math**

A student’s final grade in chemistry is determined by the following weights: Quizzes 5% Exam 1 20% Exam 2 20% Lab Reports 15% Research Paper 15% Final Exam 25% The student received the following grades: Lab reports: 75 80 70 75 85 69 90 75 Quizzes: 85 60 70 0 75 80 80 80 ...
*February 6, 2015*

**algebra I**

nope
*August 14, 2014*

**rate of change**

What's the avearage rate of change of f(x)=x^2-4x+7 on the interval 1<=x<=3
*February 15, 2014*

**math**

a game is watch by 60 adults and some are children. if there are 20 more adults than children how many children are watching the game
*January 16, 2014*

**4th grade math**

23
*November 4, 2013*

**Geometry **

Please answer at least one . PLEASE 1. Triangle XYZ has a right angle at Y. V,W are on XZ such that XV=XY. WZ=YZ, find ANGLE VYW . 2. STUVWXYZ is a regular octagon. Find SW/ TZ. 3. The interior angles of a convex polygon form an arithmetic progression with a common difference ...
*October 19, 2013*

**help**

how would you write an annotated bibliography
*September 26, 2013*

**math**

Given two similar triangles, find a' to two significant digits if a = 8.6 * 10^4, b = 1.5 * 10^5, and b' = 1.3 * 10^4.
*May 25, 2013*

**World Geography**

1. During the late 18th and mid-19th centuries, Europeans and North Americans were attracted to nearby coastal waters due to potential economic gains from (1 point)catching trout and cod fish. catching seals and whales. shipbuilding. finding riches on unexplored islands. 2. ...
*May 9, 2013*

**Spelling**

Sort each spelling word by determining if it follows the v/vc or the vc/v pattern tyrant, equal, humor, recent, profile, linen, closet, student, smokey, legal, comet, shiver, minus, loser, punish, cavern, local, decent, vacant, panic.
*February 3, 2013*

**Spelling**

Sort each spelling word by determining if it follows the v/vc or the vc/v pattern
*February 3, 2013*

**MATH**

my tenths digit is 3 less than my hundredths digit. The difference between my tenths and hundredths digit is 5. The sum of my digits is 10. What number am I?
*January 15, 2013*

**Lab Questions**

1. Use the Van der Waals equation to calculate the pressure exerted by 1.00 mol of Cl2; in 22.41 L at 0.0 degrees C. The constants for Cl are a = 6.49 L2 atm/mol2 and b = 0.0526 L/mol. 2. How much potassium chlorate is needed to produce 20.0 mL of oxygen at 670 mm Hg and 20 ...
*December 3, 2012*

**Lewis Dot Structure?**

I am unable to draw the label for CN, I tried to make a triple bond between C and N, then place two electrons for each, but I was incorrect.
*December 3, 2012*

**Chemistry**

Place the following elements in order of decreasing atomic size: selenium, chlorine, fluorine, rubidium, calcium, and sulfur.
*December 2, 2012*

**Chemistry - Melting Ice**

The heat of fusion of ice is 6.00 kJ/mol. Find the number of photons of wavelength = 6.78×10^−6 m that must be absorbed to melt 6.80 g of ice.
*November 29, 2012*

**Physics**

Is the mass of a 1m ruler essentially equally distributed throughout its length if the center of mass is at 0.496m instead of 0.5m. Why
*November 5, 2012*

**math**

the answer to this question is 35.4%
*April 17, 2012*

**math**

on monday, ivy crawled one inch more than tuesday. on tuesday, ivy crawled twice as much as on wednesday. on wednesday, ivy crawled 4 inches. how many inches did ivy crawl each day
*March 20, 2012*

**English Journey Assessment Task**

WHAT IS IT? Speech on the ways the concept of JOURNEY is expressed throughout Rabbit Proof Fence and two other related texts of your choosing PLUS a typed transcript of that speech. Focus Area: What are the messages / ideas continued within the texts about JOURNEY and HOW (...
*February 20, 2012*

**Precalculus**

A woman who is 6 feet tall stand near a light that is 13 feet tall. Find a function for the length of her shadow in term of her distance from the base of the lamp.
*February 15, 2012*

**Math**

Jamila
*February 13, 2012*

**canyons,dunes,and deltas SCIENCE **

What are some interesting facts about dunes,canyons,and deltas?
*October 13, 2011*

**math**

the quotient of -54 and 9, suntracted from 8 times a number is, -18
*October 3, 2011*

**Chemistry**

A typical fat in the body is glyceral trioleate, C57H104O6. When it is metabolized in the body, it combines with oxygen to produce carbon dioxide, water, and 3.022 x 10^4 kJ of heat per mole of fat. B)How many kilokoules of energy must be evolved in the form of heat if you ...
*March 19, 2010*

**clark**

Why might you use the distributive property to solve 4(78)
*September 8, 2009*

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