Alge bra
Addition and S ubtraction Equations
65.9
31.5 = a - 34.4
15
42 + y = 57
88.58
x + 76.31 = 164.89
96
23+ y = 119
81
x - 32 = 49
10.16
x + 19.98 = 30.14
69.47
44.58 + y =114.05
53
45 + y = 98
69
x + 23 = 92
35
x - 9 = 26
46
36 = a -10
100
36 = a -
THE
AENLIGHTENMENT
time when scholars dared to
know.
Philosophes believed they could
apply reason to all aspects of life.
18th Century Age of Reason
REASON/NATURE/HAPPINESS/PROG
RESS/
FREEDOM OF INDIVIDUAL
Thomas
Hobbes
Leviathan
All humans are naturally
Answer the following questions based on your climatograms:
1. Describe the difference in temperature and precipitation
a) between a prairie and a temperate forest:
b) between a prairie and a temperate forest:
2. Why arent prairies located in the Southeast
Answer the following questions based on your climatograms:
1. Describe the difference in temperature and precipitation
a) between a prairie and a temperate forest:
b) between a prairie and a temperate forest:
2. Why arent prairies located in the Southeast
Chap3
:
:
:497L0064
3.
Find the de Broglie wavelength of a 1.0-mg grain of sand blown by the
wind at a speed of 20 m/s.
(Sol)
h
h
P rmv
m
m
h
6.626 10 34 J
s
v 20 c 3 10 8
r 1
3.313 10 29 m
m
s
s
mv
10 6 kg 20
s
3
6
1.0mg 1.0 10 g 10 kg
19.
Find t
Syracuse
(then part of Greece)
287-212 BC
Discovered how to calculate the volume
of a sphere, and even wanted this
diagram on his tombstone. He made so
much progress in this area that nothing
could be added for 18 centuries.
EUREKA (I have found it!) Bouy
Introductory Algebra
Glossary
Chapter Ten
quadratic equation
A quadratic equation is an
equation that can be written in the
form ax2 + bx + c = 0, where a, b,
and c are real numbers,
with a 0.
discriminant
The quantity under the radical in the
quadratic f
Algebra I
Mr. Clutter Villegas Middle School Library 2006-2007
Definitions
Variable A variable is a letter or symbol that represents a number (unknown quantity). 8 + n = 12
Definitions
A variable can use any letter of the alphabet. n+5 x7 w - 25
Definit
Given:
A
RA AF
TR FT
R
E
T
Prove RE EF
STATEMENTS
REASONS
F
A
DE AC
Given:
B
E
BF AC
BC AD
AF EC
F
D
Prove: AB DC
STATEMENTS
REASONS
C
Prove that the median to the base of an isosceles triangle is also an altitude
Statements
Reasons
Prove: If all four sid