Which expression is equivalent to 7 2/3 ⋅ 7 1/4?
2 answers:
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Answer:
y = x²
Step-by-step explanation:
Given that y and x² are directly proportional then the equation relating them is
y = kx² ← k is the constant of proportion
When x = 2
y = k × 2² = 4k
When x = 5
y = k × 5² = 25k
Then
25k - 4k = 20 ( difference between values is 20 )
21k = 20 ( divide both sides by 21 )
k =
y = x² ← equation of proportion
<span>This polygon is composed of a right triangle and <span>a parallelogram.
The area of right angle :
The area of the </span></span><span>parallelogram</span>:
The area of the polygon is equal:
Therefore, the answer is:
The area of right angle :
The area of the </span></span><span>parallelogram</span>:
The area of the polygon is equal:
Therefore, the answer is: