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NARA [144]
3 years ago
6

HELP I CANT DO THIS-

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
3 0
1. C. Rectangle
2. F. 160
3. D. Triangular prism
4. H. 30 boxes
5. C. Equilateral Triangle
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The total cost of producing a type of tractor is given by C(x)=11000−20x+0.02x2, where x is the number of tractors produced. How
marissa [1.9K]

Answer:

Step-by-step explanation:

You need to complete the square.

C(x) = 0.02(x^2 - 1000x  ...)  + 11000

C(x) = 0.02 (x^2 - 1000x + 500^2) + 11000 - 5000

C(x) = 0.02 (x^2 - 1000x + 500^2) + 6000

C(x) = 0.02(x - 500)^2 + 6000

Now if you look at the answer you will find that the square is completed. That means that number of tractors you could produce is 500 at a cost of 6000

There is a flow to this question that you may have trouble understanding.

First of all the 500^2. That comes from taking 1/2 of 1000 and squaring it. That's what you need to complete the square.

Bur that is not what you have adding into the equation. Remember that there is a 0.02 in front of the brackets.

500^2 = 250000

0.02 * 250000 = 5000

So that number must be subtracted to make the square = 0. When you remove the brackets, you should get 11000 all in all.

So what you have outside the brackets is 11000 - 5000 = 6000

The rest is just standard for completing the square.

5 0
2 years ago
A farmer wants to plant an apple orchard. His design consists of 10 rows of trees, where each row is 29.79 feet long. When he ge
Elis [28]
First divide 29.79 feet by 6
\frac{29.79}{6} = 4.97
But since you can't plant only a fraction of a tree, you can plant a maximum of 4 trees per row.
Now there are ten rows so...
10×4 = 40
You can plant 40 trees at the maximum.
7 0
3 years ago
Match the graph
AVprozaik [17]
It is c because i believe so
8 0
1 year ago
Read 2 more answers
Karla can buy guppies for $0.90 each at the corner pet store. If she has $13.50, how many guppies can she buy? 
pshichka [43]

All we have to do here is divide $13.50 by $0.90 to figure out how many guppies she can buy

$13.50 ÷ $0.90 = 15

Therefore, Karla can buy <u>15 guppies</u> with $13.50

Hope this helps you

Brainliest would be appreciated

- AaronWiseIsBae

3 0
3 years ago
Read 2 more answers
What is the factored form of r^27 - s^30
svlad2 [7]

Answer:

(r^9-s^10) (r^18+r^9 s^10 + s^20)

Step-by-step explanation:

hope this helps :)

8 0
3 years ago
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