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madam [21]
3 years ago
12

Find the volume of a sphere with a diameter of 25 cm. Approximate r as 3.14 and round your answer to the neare

Mathematics
1 answer:
never [62]3 years ago
8 0

Answer:it would be D

Step-by-step explanation:

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8/9 to what power equals 64/81
Ierofanga [76]

2nd

Step-by-step explanation:

8/9 to the second power equals to 64/81. Hope this helps!

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What is the sum of the first 50 terms of the series 2 + 17 + 32 + 47+ ...?​
Alex

Answer:

\huge\boxed{18,475}

Step-by-step explanation:

The terms of this sum make the arithmetic sequence.

The fomula of a sum of <em>n</em> terms of an arithmetic sequence:

S_n=\dfrac{[2a_1+(n-1)d]\cdot n}{2}

We have

a_1=2\\d=17-2=32-12=47-32=15\\n=50

Substitute:

S_{50}=\dfrac{[2\cdot2+(50-1)\cdot15]\cdot50}{2}=(4+49\cdot15)\cdot25=(4+735)\cdot25\\\\=739\cdot25=18,475

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I need help on this question
rewona [7]

x = -7

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They all have either a common factor, common multiple, LCF, GCF, LCM, or GCM. The G and L stand for greater and least.
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