Kim rode her bicycle 135 miles in 9 weeks, riding the same distance each week. Eric rode his bicycle 102 miles in 6 weeks, ridin
1 answer:
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Answer:
cm²
Step-by-step explanation:
Surface area of the composite figure = Surface area of the lateral surfaces of the given pyramids
Lateral surface area of a square pyramid = 4
Therefore, lateral surface area of the pyramid
=
Now lateral surface area of the composite figure = 2(lateral surface area of two pyramids)
=
Therefore, Expression for the surface area of the given composite figure is,
cm²
(1) The expected number of copies sold is 75
(2) The expected wage is $720
Explanation:
From the graph, we can see that x represents the number of copiers sold.
y represents the wages.
The equation of the graph is
(1) Given that an employee earn $570.
We need to determine the number of copiers sold.
Let us substitute in the equation
, we get,
Thus, the number of copiers sold is 75
(2) Given that if an employee sells 100 copiers, we need to determine the expected wage.
Let us substitute in the equation
, we get,
Thus, the expected wage is $720