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zimovet [89]
3 years ago
7

Use properties to find the sum or product. 5 x 23 x 2

Mathematics
1 answer:
kkurt [141]3 years ago
5 0
Use commutative property: a × b = b × a

5 × 23 × 2 = 5 × 2 × 23 = 10 × 23 = 230
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$6857 was originally kept
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5 0
2 years ago
I need to know the area of the walkway and how you got the answer
lakkis [162]

The problem statement asks for the area of the pool. We will assume that is an error, and that you want to fill in the table with the area of the walkway.

Consider a walkway of width w. The outside dimension of the walkway will be 2w plus the dimension of the pool (since there is a walk on either side). Thus, the outside dimensions of the pool and walkway are 9+2w and 12+2w yards.

The area of the pool and walkway will be

... total area = pool area + walkway = (9 + 2w)(12 + 2w) = 9·12 + 2w(9+12) +4w²

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Subtracting the pool area gives the area of the walkway as

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Using this formula, we can fill in the table

\begin{array}{cc}\text{width}&\text{area $(yd^2)$}\\0.5&22\\1.0&46\\1.5&72\\2.0&100\\N&2N(2N+21)\end{array}

7 0
3 years ago
If y varies directly as x, and y = 75 when X = 25. Find x when y=21 PLEASE HELP ASAP
user100 [1]
I think x would equal 7 because when y=75 and x=25, x is one third of y so one third of 21 is 7
6 0
3 years ago
Find an expression which represents the difference when (2x − 6) is subtracted
Sloan [31]

Answer:

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Step-by-step explanation:

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First term that into an equation.

Because our first term is being subtracted from our second one, our equation is written as:

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Simplify the first term by subtracting:

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Now simplify the second term by multiplying 2x - 6 by -1 to get them out of the parenthesis. We do this because there is a negative sign in front of it.

-1 (2x - 6)

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Now our equation is:

2 - 2x + 6

Combine like terms:

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(2x - 6) subtracted from (7 - 5) is -2x+8

4 0
1 year ago
What is the lead coefficient of this polymomial?
Nikolay [14]

Answer:

5 is the leading coefficient

4 0
3 years ago
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