Answer:
9 1/5
Step-by-step explanation:
Step 1: (-2 2/3) x (-3 5/4)
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Step 2: (-2 2/3) x ( -7/4)
Step 3: = 9 1/5
Hope this helps!

<h2>Explanation:</h2>
When we say that an amount of something increases as another amount increases, at the same rate, then we are talking about Direct Proportion. It is also true for an amount of something that decreases as another amount decreases, at the same rate. So "y varies directly as x" can be written as:

In other words:

Where k is the constant of proportionality, and represents the slope of a line that passes through the origin.
<h2>Learn more:</h2>
About this subject: brainly.com/question/12809482
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Answer:
20 units³
Step-by-step explanation:
Since<em> all dimensions are being reduced by 1/3</em>, that means that the total volume will decrease by <em>1/3 * 1/3 * 1/3 = 1/27</em> the size of its original.
That means that the new volume is 1/27 * 540 = 20 units³
Answer:
k =-2
Step-by-step explanation:
Using the slope formula
( y2-y1)/(x2-x1) = m
( k- -1)/( -10 - -8) = 1/2
( k+1)/ ( -10+8) = 1/2
( k+1) /-2 = 1/2
Multiply each side by -2
( k+1) /-2 * -2 = 1/2 * -2
k+1 = -1
Subtract 1 from each side
k+1-1 = -1-1
k = -2