Lance wants to find the total length of 3 boards.He uses the expression 3 1/2+( 2+4 1/2 how can lance rewrite the expression usi
ng both the associative and commutive properties of addition
2 answers:
A right parenthesis ) is missing from this problem statement. I'm assuming that you meant
<span>3 1/2+( 2+4 1/2).
There are at least two ways in which you could do this problem. One would be to simply drop the parentheses entirely:
</span><span>3 1/2+ 2+4 1/2 It'd make sense to add 3 1/2 and 4 1/2 together FIRST, and then to add 2 to the result.
Or, do the work inside the parentheses FIRST: </span><span>3 1/2+( 2+4 1/2).
</span>
This simplifies the problem to <span>3 1/2+( 6 1/2).
You MUST get the same answer either way.</span>
Step-by-step explanation:
This problem bothers on the use of mathematical properties
Given the expression
3 1/2+( 2+4 1/2)
Applying the associative property rule which says we can add or multiply regardless of how numbers are grouped
Associative property
3 1/2+( 2+4 1/2) can re re-written as
(3 1/2+2) +4 1/2
Commutative property
This rule states that the we can move (commute) figures about and still get same result.
Hence 3 1/2+( 2+4 1/2) can also be expressed as (2+4 1/2+3 1/2)
Or (4 1/2 +2+ 3 1/2)
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Volume of a volleyball (a sphere) = 4/3πr³
= 4/3π(11.4)³
= 1975.392π
= 6210 cm³ (to 3 significant figures)
The volume of a volleyball with a radius of 11.4 cm will be 6210 cm³.
1/3x+11.
1/3 of a number can be shown as 1/3x, since the number is not identified.
We can represent 11 more as +11.
This, our expression is 1/3x+11
Hope this helps!
Answer:
108 cm cubed
Step-by-step explanation:
(1/2 of length•height)•width
(1/2 of 6•4)•9
(1/2 of 24) •9
12•9
108
Answer:
4.5 miles
Step-by-step explanation:
2 times as far as last week
last week was 2.25 miles
2* 2.25 = 4.5 miles
Answer:
Coefficient of Performance