3 years ago

Write each fraction as the sum of two unit fractions 3/4, 5/12, 7/10 Please Help!

Mathematics

1 answer:

Alborosie3 years ago

4 0

<span> Sometimes a cell inaccurately duplicates its DNA, and the resulting cells are not identical.</span>

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Step-by-step explanation:

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V = 4/3 pi r^3

So we need the radius

We know the diameter

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We need to take the diameter and divide by 2

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3 years ago

In relation to a computer what do the letters cpu stand for

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2 years ago

Find the sum of the series given in sigma notation.

Kryger [21]

Answer:

Option b is correct 175

Step-by-step explanation:

n = 7

k = 6

3k -2 ------1

put k = 6 in above eq. for finding first term

a1 = 3(6) - 2 = 18 - 2 = 16

put k = 7 in above eq. for finding first term

a2 = 3(7) - 2 = 21 - 2 = 19

a3 = 3 (8) - 2 = 24 - 2 = 22

16, 19 , 22, ... //Arithmetic series formation

a1 = 16 , a2 = 19

d = a2 - a1 = 19 - 16 = 3 //Difference of first two terms

Using sum forumula for arithmetic series

sum = $\frac{n}{2}(2a1 + (n-1)d)$

= $\frac{7}{2}(2a1 + (7-1)d)$

= $\frac{7}{2}(2(16) + (6)3)$

= $\frac{7}{2}(32 + 18)$

= $\frac{7}{2}(50)$

= 7 * 25

= 175

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3 years ago

Thang decided to borrow $7000 from his local bank to help pay for a car. His loan was for 3 years at a simple interest rate of

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3 years ago

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