3 years ago

Exponential functions help please

Mathematics

1 answer:

4vir4ik [10]3 years ago

8 0

Answer:

8400/2 then simplify

Step-by-step explanation:

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shepuryov [24]

The correct answer is C) 20 cents.
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3 years ago

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Find f(-2) when f(t) = -2t + 3 A) -7 B) -1 C) 1 D) 7

Lady bird [3.3K]

Answer: -1

Step-by-step explanation:

f(t) = -2t + 3

f(-2) = -2 x -2 + 3 [ substituting the value]

f(-2) = -4 + 3

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3 years ago

£440 is divided between David, Mark & Henry so that David gets twice as much as Mark, and Mark gets three times as much as H

Lesechka [4]

Mark received £ 132

Solution:

Given that £440 is divided between David, Mark & Henry

Let "d" be the share of david

Let "m" be the share of mark

Let "h" be the share of henry

Total amount is 440

Therefore,

share of david + share of mark + share of henry = 440

d + m + h = 440 ------- eqn 1

David gets twice as much as Mark

d = 2m ----- eqn 2

Mark gets three times as much as Henry

m = 3h

$h = \frac{m}{3}$ ------ eqn 3

Substitute eqn 2 and eqn 3 in eqn 1

$2m + m + \frac{m}{3} = 440\\\\\frac{6m + 3m + m}{3} = 440\\\\10m = 1320\\\\m = 132$

Thus Mark received £ 132

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3 years ago

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zavuch27 [327]

3-2*x is th answer hop it helps

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3 years ago