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Helen [10]
3 years ago
12

Find the volume - leave answer in terms of π​

Mathematics
1 answer:
Andreas93 [3]3 years ago
5 0

Answer:

144\pi

Step-by-step explanation:

Volume of a Sphere :

V = \frac{4}{3}\pir^{3}

V = \frac{4}{3}\pi6^{3}

V = \frac{4}{3}(216)\pi (216 times 4, divided by 3)

V  = 288\pi

Now divide by 2, it's only half of a sphere.

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Consider the following system of equations:
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Answer:

x = 6 ; y = -9

Step-by-step explanation:

8 x + 2 y = 30  ..........equ No 1

7 x + 2 y = 24......... equ No 2

8 x = 30 - 2y

∴ x =\frac{ 30 - 2 y}{8}

substituting the value of x in equ No 2

7 \frac{30 - 2 y}{8} + 2 y = 24

7 ( 30 -2 y) + 2 y × 8 = 24 × 8

7 × 30 - 14 y + 16 y = 192

210 + 2 y = 192

2 y = 192 - 210

2 y = - 18

∴ y = - 9

put y = -9 , 8 x = 30 - 2 y

        8 x = 30 - 2 ( -9)

    8 x = 30 - ( -18)

  8 x = 48

∴ x = 6

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Given the figure below, find the values of x and z
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Step-by-step explanation:

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