An economics professor conducts an experiment to determine if viewing his online video reviews improve the performance of his st
1 answer:
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Answer:
(d) A = 18 units²
Step-by-step explanation:
Line CE can be considered to be the base of two triangles. It is 6 units long. The upper triangle is 4 units high, and the lower triangle is 2 units high. The formula for the area of a triangle is ...
A = 1/2bh
Then the sum of the areas of the two triangles is ...
A = 1/2(6)(4) +1/2(6)(2) = 12 +6 = 18
The area of the polygon is 18 square units.
(C) 7/10 cup is the correct answer
Step-by-step explanation:
First of all we will calculate the 40% of grandmother's recipe then add it to the given flour in grandma's recipe
So,
The amount of flour in grandma's recipe = F_g = 1/2 cups
Calculating percentage
So Evelyn needs to add 2/10 cups more to the original quantity.
So,
Flour used by Evelyn:
Hence,
(C) 7/10 cup is the correct answer
Keywords: Percentage, Quantity
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