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Ksivusya [100]
3 years ago
6

It’s geometry please help me find the perimeter

Mathematics
1 answer:
timama [110]3 years ago
4 0
The perimeter of CDEF is 67.9
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The sphere's radius is one-third the radius of the hemisphere. How does the volume of this hemisphere compare with the volume of
liraira [26]
Volume of the sphere = 3/4 pi r^3 

The spheres radius is one third of the hemisphere's so radius of hemisphere = 3r 
Volume of the hemisphere = 1/2 * 4/3 pi (3r)^3
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So vol hemisphere / vol sphere =  18 pi r^3 / 4/3 pi r^3 = 18 * 3/4 =  13.5

Hemisphere is 13.5 times the volume of the sphere.
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3 years ago
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Amir picked 20 berries Becky picked 15 more than Amir How many berries did they picked in all
makkiz [27]

Answer:

55

Step-by-step explanation:

Amir picked 20, Becky picked 15 more which is 35

all together they picked 20 + 35 = 55

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3 years ago
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If 4 out of every 200 employees that work in Company X have been cited for a safety violation what percentage of Company X's emp
slavikrds [6]

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2%

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Two percent of the employees have been cited for a safety violation because if you divide 200 and 4 by 2, its 2 out of 100 employees. This can be written as 2/100, .02, or 2%

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3 years ago
Tom wants to buy a dictionary that costs $19.50, a dinosaur book that costs $8.50, and a children's cookbook that costs $5.50. I
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The three books cost 33.50 - 9.00 = 24.50. Tom needs 24.50 more to afford all three books

Step-by-step explanation:

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4 0
4 years ago
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