Chef Goodwin baked her famous casseroles for a company holiday party. The casseroles had different shapes and different deliciou
s fillings.
What is the probability that a randomly selected casserole is filled with spinach?
A. 3/14
B. 3/8
C. 3/5
D. 4/7
What is the probability that a randomly selected casserole is filled with spinach?
A. 3/14
B. 3/8
C. 3/5
D. 4/7
1 answer:
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Answer:
Q7. 11.3 inches (3 s.f.)
Q8. 96.2 ft
Q9. 36.4cm
Step-by-step explanation:
Q7. Please see attached picture for full solution.
Q8. Let the length of a side of the square be x ft.
Applying Pythagoras' Theorem,
Thus, the perimeter of the square is
Q9. Equilateral triangles have 3 equal sides and each interior angle is 60°.
Since the perimeter of the equilateral triangle is 126cm,
length of each side= 126÷3 = 42 cm
The green line drawn in picture 3 is the altitude of the triangle.
Let the altitude of the triangle be x cm.
sin 60°=
(to 3 s.f.)
Therefore, the length of the altitude of the triangle is 36.4cm.
