7th pre alg -l86

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Lesson 86.notebook April 22, 2014 Assignment: 1-->Set 86 (evens) - Due Tomorrow [4/23] 2-->Test #12 - Friday [4/25]

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Page 1: 7th pre alg -l86

Lesson 86.notebook April 22, 2014

Assignment:

1-->Set 86 (evens) - Due Tomorrow [4/23]2-->Test #12 - Friday [4/25]

Page 2: 7th pre alg -l86

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

Page 3: 7th pre alg -l86

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

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Page 4: 7th pre alg -l86

Lesson 86.notebook April 22, 2014

Examples - Lesson 86Find the Volume of the following shapes.A)

B)

6

6

5

10

Page 5: 7th pre alg -l86

Lesson 86.notebook April 22, 2014

C)

D)

90 cm

90 cm

50 cm

12 in

12 in

12 in