7th pre alg -l86
TRANSCRIPT
Lesson 86.notebook April 22, 2014
Assignment:
1-->Set 86 (evens) - Due Tomorrow [4/23]2-->Test #12 - Friday [4/25]
Lesson 86.notebook April 22, 2014
Lesson 86 WarmUp:1) Solve for y: y - 7 = 2x - 3
2) Find 33 1/3% of 4/5 of $4.50
3) If a car can travel 192 miles when its gas tank is 75% full, then how far can it travel at that same mileage rate on a FULL tank of gas?
Find the volume in #4-5:4) A rectangular prism with measures:
L = 8 in; W = 6 in; H = 10 in
5) A cylinder with measures:R = 4 cm; H = 9 cm
Lesson 86.notebook April 22, 2014
Lesson 86
*FYI...Volume of 1 Cylinder = Volume of 3 Cones
So, the Formula for Volume of a Cone:
V = r2h
AND...Volume of 1 Prism = Volume of 3 Pyramids
So, the Formula for Volume of a Pyramid:
V = Bh
13
13
Lesson 86.notebook April 22, 2014
Examples - Lesson 86Find the Volume of the following shapes.A)
B)
6
6
5
10
Lesson 86.notebook April 22, 2014
C)
D)
90 cm
90 cm
50 cm
12 in
12 in
12 in