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olga_2 [115]
3 years ago
6

Can anyone help this is for a grade?

Mathematics
1 answer:
natali 33 [55]3 years ago
6 0

Answer:

14.13 square centimetres

Step-by-step explanation:

To find the area with the diameter, simply divide the diameter by 2, plug it into the radius formula, and solve as before.

Divide your diameter which is 9 by 2 then times it by 3.14=14.13

I hope this helps

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An entrepreneur estimates that the total profit (profit = total revenue minus total cost) from his proposed company will be give
Studentka2010 [4]
I found the same problem but with given choices:
A.1 year 
<span>B.2 years </span>
<span>C.3 years </span>
<span>D.4 years </span>
<span>E.6 years
</span>
profit = total revenue - total cost
p(x) = x³ - 4x² + 3x - 12

simply plug each choices to solve. answer must be 0.

A) p(1) = 1³ - 4(1²) + 3(1) - 12 = 1 - 4 + 3 - 12 = -12
B) p(2) = 2³ - 4(2²) + 3(2) - 12 = 8 - 16 + 3 - 12 = -17
C) p(3) = 3³ - 4(3²) + 3(3) - 12 = 27 - 36 + 9 - 12 = -12
D) p(4) = 4³ - 4(4²) + 3(4) - 12 = 64 - 64 + 12 - 12 = 0
E) p(6) = 6³ - 4(6²) + 3(6) - 12 = 216 - 144 + 18 - 12 = 78

It would take 4 years for the company to reach break-even point.
5 0
3 years ago
11B. Long Beach Towing Company charges $40 plus $5 per mile to
gavmur [86]

Answer:

The charges will be the same after 10 miles.

Step-by-step explanation:

Long Beach Towing Company:

Charges $40 plus $5 per mile. So after x miles, the charge will be of:

L(x) = 40 + 5x

Five-Star Towing Company:

Chargers of $70 plus $2 per mile. So after x miles, the charge will be of:

F(x) = 70 + 2x

After how many miles the charges for the two companied will be the same?

This is x for which:

L(x) = F(x)

So

40 + 5x = 70 + 2x

5x - 2x = 70 - 40

3x = 30

x = \frac{30}{3}

x = 10

The charges will be the same after 10 miles.

5 0
3 years ago
Can someone please help me on this
mafiozo [28]

9514 1404 393

Answer:

  y = -5x³

Step-by-step explanation:

The point of inflection of the parent cubic function f(x) = x³ is at the origin, the same place it is shown on the graph. So, there is no translation involved in creating the graph.

We know the parent function gives f(1) = 1, but here, we have (x, y) = (1, -5). This suggests a vertical scale factor of -5. So, the transformed function is ...

  y = -5x³

5 0
3 years ago
A random sample of residents of the county were categorized according to gender (male or female) and whether they supported a pr
Lilit [14]

I fail to understand what exactly you are asking. Could you be more specific and include and image of the table maybe?

4 0
4 years ago
Multiple choice plz help!!!
Drupady [299]
Umm..it should be C
OnlyZX in the mutiple choice have pass through the center
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4 years ago
Read 2 more answers
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