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Colt1911 [192]
3 years ago
12

9a+b-8c-2(a+3b-c) simplified

Mathematics
2 answers:
oksian1 [2.3K]3 years ago
8 0

Answer:

7a-5c-6c

Step-by-step explanation:

9a+b-8c-2a-6b+2c

7a-5c-6c

alekssr [168]3 years ago
5 0

Answer:

The correct simplified answer for 9a + b - 8c - 2 (a + 3b - c) would be 7a - 5b - 6c

Step-by-step explanation:

Hope this helps! Sorry if there is no explanation, I am kinda in a rush.

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3 years ago
(5 + 4) + (2 + 6) = 10 +__<br><br> Find the missing number.
LUCKY_DIMON [66]

Answer:

The Missing number is 7

Step-by-step explanation:

5+4=9

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4 0
3 years ago
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Mekhanik [1.2K]
A.) To find the height (h) of the cone we'll use the slant height (s) and the radius of the hemisphere (r). By Pythagorean Theorem;

s^2 = h^2 + r^2
h^2 = s^2 - r^2
h^2 = 6.1^2 - 1.1^2
h^2 = 37.21 - 1.21
h^2 = 36
h = sqrt(36)
h = 6 cm.

b.)To find the volume of crystal pendulum (V) we'll add the volume of the cone (V1) and the volume of hemisphere (V2).

V = V1 + V2

V1 = (1/3)(pi)(r^2)(h)
V1 = (1/3)(1.1^2)(6)(pi)
V1 = 2.42pi

V2 = (4/3)(pi)(r^3)(1/2) [ multiplied by 1/2 because it is a hemisphere]

V2 = (2/3)(pi)(r^3)
V2 = (2/3)(1.1^3)(pi)
V2 = 0.8873pi

V = V1 + V2
V = 2.42pi + 0.8873pi
V = 3.3073pi cm^3
V = 10.39 cm^3
6 0
3 years ago
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