what distance? solve, name the property.

Mathematics
Tutor: None Selected Time limit: 1 Day

The expression 16t² models the distance in feet that an object falls during t seconds after being dropped. What distance will an object fall in 4 seconds?

a. 128 ft

b. 256 ft

c. 32 ft

d. 1024 ft

Solve: C = π/d for d.

a. C = π/d

b. d = C/π

c. d = π/C

d. d = πC

Name the property of real numbers illustrated by the equation ( x + 8 ) + 4  = x + (8 + 4).

a. Commutative Property

b.  Associative Property

c. Inverse Property

d. Distributive Property

Solve: 3 (x + 4) ≤ 36

a. x ≤  12

b. x > 12

c. x > 8

d. x ≤  8

May 7th, 2015

1. 16*(4)^2=16*16=256 => b is correct

2. C=pi/d = > dC=pi=> d=pi/C  c is correct

3. Associative properties   - it's b

3. x+4<=36/3=12

x<=12-4 = 8 it's d.

May 7th, 2015

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May 7th, 2015
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May 7th, 2015
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