3 years ago

Anyone need help with multiplying decimals I got u

Mathematics

1 answer:

const2013 [10]3 years ago

7 0

I know u gonna use calculator girl.

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When x represents whole numbers less than 200, the function f(x) = 2x - 20 represents the profit earned from selling x carnation

solmaris [256]

Answer:

260

Step-by-step explanation:

When x represents whole numbers less than 200, the function

f(x) = 2x - 20 .......... (1)

represents the profit earned from selling x carnations for a school fund-raiser.

Therefore, the profit earned from selling 140 carnations for the school fund-raiser will be given by the equation (1) as

f(140) = 2(140) - 20 = 280 - 20 = 260.

Therefore, 260 is the value of f(140). (Answer)

8 0

3 years ago

A scientist placed fish eggs in a tank. Each day, twice the number of eggs from the previous day hatch. The expression 5 times 2

kykrilka [37]

Answer: The answer is 20 eggs.

Step-by-step explanation: Given that a scientist placed fish eggs in a tank. Also, each day, twice the number of eggs from the previous day hatch, .i.e, if 'x' number of eggs hatch on first day, then '2x' number of eggs will hatch on the second day.

The number of eggs that hatch on the sixth day is given by 5 times 2 to the second power.

So, the number of eggs got hatch on the sixth day is

$E_6=5\times 2^2=5\times 4=20.$