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Cloud [144]
3 years ago
5

Round off 3. 55 to one significant figure

Mathematics
1 answer:
Anika [276]3 years ago
8 0

Answer:

3.6

Step-by-step explanation:

We must first clarify how a number is rounded.

To round a number to unity we have to look at the first number after the comma.

If this number is less than 5 (1, 2, 3, 4) we should not do anything, but if that number is 5 or greater (5, 6, 7, 8, 9) we must add a unit to the number.

That is to say:

<5 do nothing

=> 5 round to the next number (+1)

So in the case of 3.55 it would be.

3.55 = 3.6

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The revenue each season from tickets at the theme part is represented by t(x) = 3x. The cost to pay the employees each season is
Triss [41]

Answer: The profit after 5 seasons is $239.94.

Step-by-step explanation:

Since we have given that

Revenue function is given by

t(x)=3^x

Cost function is given by

r(x)=1.25^x

So, We need to find the total profit:

As we know the formula for profit:

Profit = Revenue - Cost

P(x)=t(x)-r(x)\\\\P(x)=3^x-1.25^x

We need to evaluate the profit after five seasons:

P(5)=3^5-1.25^5\\\\P(5)=\$239.94

Hence, the profit after 5 seasons is $239.94.

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3 years ago
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Which expression correctly shows 2x³y - 2y factored completely?
OverLord2011 [107]

Answer:

2y(x-1)(x^2+x+1)

Step-by-step explanation:

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1. f(x) = x(x-6)(x+3)
maks197457 [2]

Answer:

x3squared-3x2squared-18x

Step-by-step explanation:

1 Expand by distributing terms.

({x}^{2}-6x)(x+3)(x

​2

​​ −6x)(x+3)

2 Use the FOIL method: (a+b)(c+d)=ac+ad+bc+bd(a+b)(c+d)=ac+ad+bc+bd.

{x}^{3}+3{x}^{2}-6{x}^{2}-18xx

​3

​​ +3x

​2

​​ −6x

​2

​​ −18x

3 Collect like terms.

{x}^{3}+(3{x}^{2}-6{x}^{2})-18xx

​3

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​2

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​2

​​ )−18x

4 Simplify.

{x}^{3}-3{x}^{2}-18xx

​3

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​2

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5 0
3 years ago
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