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saw5 [17]
3 years ago
12

If DE = 8x, EF = 2x, and DF = 10, what is DE?

Mathematics
1 answer:
Drupady [299]3 years ago
5 0

Answer: The answer will be 8x.

Step-by-step explanation:

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How is the "subtraction method" used to derive the formula for volume of a cylinder?
NikAS [45]

Answer:

The subtraction method is used to find the volume of the cylinder by recalling that the volume of the cylinder consist of the volume of the cone and the volume of the sphere.

Step-by-step explanation:

In the subtraction method, we have that a cylinder of radius r, equal to that of a circle, and height 2·r consist of a cone of base radius r and height 2·r and a sphere of radius r as follows;

Volume or sphere of radius r = Volume of cylinder of radius r and height 2·r - Volume of cone of base radius r and height 2·r

∴ 4/3·π·r³ = Volume of cylinder of radius r and height 2·r  - 2/3·π·r³

Hence, volume of cylinder of radius r and height 2·r = 4/3·π·r³ + 2/3·π·r³ = 2·π·r³

Hence the subtraction method is used to find the volume of the cylinder by recalling that the volume of the cylinder consist of the volume of the cone and the volume of the sphere.

7 0
3 years ago
Henry bought 5/6 pound of roasted almonds for five dollars he wants to know the price per pound
Andrej [43]

Answer:

$6

Step-by-step explanation:

p=pound

5/6p= 500

p= 500(6/5)

p=600 cents

p=$6

Hope this helps!!!

8 0
3 years ago
Connor was given a box of asstorted chocolates for his birthday. Each night, Connor treated himself to some chocolates. There we
swat32

Answer: 18- 3t

Step-by-step explanation:

7 0
3 years ago
Find the measure of angle A
blagie [28]

Answer:

43°

Step-by-step explanation:

(x + 53)° + (x + 74)° + 73° = 180°

(x + 53 + x + 74)° = 180° - 73°

(2x + 127)° = 107°

2x + 127 = 107

2x = 107 - 127

2x = - 20

x = - 20/2

x = - 10

m\angle A = (x +53)\degree \\\\m\angle A = (-10 +53)\degree \\\\m\angle A = 43\degree \\\\

4 0
3 years ago
a clothing store has sing has the sign shown is in the shop windoe pani sees the sing and want s to buy 3 shirts
goldfiish [28.3K]

What are we exactly supposed to solve for here

5 0
3 years ago
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