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givi [52]
2 years ago
9

I need hlep its do to day

Mathematics
1 answer:
Taya2010 [7]2 years ago
3 0

Answer:

x = -6/5

Step-by-step explanation:

distribute -4 on the left side of the equation first, then distribute 2 on the right side of the equation to get:

16x - 4 - 4x = 2x - 14 - 2

combine 'like terms':

12x - 4 = 2x - 16

subtract '2x' from each side to get:

10x - 4 = -16

add 4 to each side to get:

10x = -12

x = -12/10 or x = -6/5

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Helping others makes a person good ​
oksano4ka [1.4K]

Answer:

9 cm.

Step-by-step explanation:

Let the height of the pyramid be h cm, then the height of the cuboid is (15 - h) cm.

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= s^2(15 - h).

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hs^2/ 3 = 300.......................(1)

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From  equation (1) :

h s^2 = 900

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Now substitute for s^2 in  equation (2) :

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Multiply through by h:

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3 0
3 years ago
Work out the balance for £240 invested for 20 years at 7% per annum
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Step-by-step explanation:

It depends in the type on interest

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3 years ago
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