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RSB [31]
3 years ago
6

A 52-centimeter-long board is cut into 3 pieces. The longest piece is twice as long as the shortest piece. The other piece is 4

cm longer that the shortest piece. How long is each piece?
Mathematics
1 answer:
lilavasa [31]3 years ago
7 0

Answer:

4c <em><u>6th fastest</u></em><em><u> </u></em><em><u>9</u></em><em><u>.</u></em><em><u>I</u></em><em><u> </u></em><em><u> </u></em><em><u>gghiii</u></em>

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Answer:

Negative linear association.

Step-by-step explanation:

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Heyyy who can answer these?? (Just the top 3)
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The Johnson Farm has 500 acres of land allotted for cultivating corn and wheat. The cost of cultivating corn and wheat (includin
babunello [35]

Answer:

He should plant 100 acres of corn and 400 acres of wheat.

Step-by-step explanation:

This problem can be solved by a siple system of equations.

]x denotes the number of acres of corn

y denotes the number of acres of wheat

Building the system:

The Johnson Farm has 500 acres of land allotted for cultivating corn and wheat. This means that:

x + y = 500

The cost of cultivating corn and wheat (including seeds and labor) is $42 and $30 per acre, respectively. Jacob Johnson has $16,200 available for cultivating these crops. This means that:

42x + 30y = 16,200

So, we have the following system

1) x + y = 500

2) 42x + 30y = 16,200

If he wishes to use all the allotted land and his entire budget for cultivating these two crops, how many acres of each crop should he plant?

1) x + y = 500

2) 42x + 30y = 16,200

I am going to write y as a function of x in 1), and replace in 2). So:

x + y = 500 means that y = 500-x

42x + 30y = 16,200

42x + 30(500-x) = 16,200

42x + 15000 - 30x = 16,200

12x = 1,200

x = \frac{1,200}{12}

x = 100

Now, going back to 1:

y = 500 - x = 500 - 100 = 400

He should plant 100 acres of corn and 400 acres of wheat.

5 0
3 years ago
A.(2,1)
Alex17521 [72]

Answer:

  D(6, 3)

Step-by-step explanation:

The diagonals of a rectangle bisect each other, so the midpoint of AC is the same as the midpoint of BD. This means ...

  (A +C)/2 = (B +D)/2 . . . . the midpoints are the same

  A +C = B +D . . . . . . . . . multiply by 2

  D = A +C -B = (2+5-2, 1+5-3) . . . . . solve for D, substitute given coordinates

  D = (6, 3)

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3 years ago
What is the domain of the following parabola? (5 points)
nikitadnepr [17]

Answer:

the domain for this parabola is all real numbers

6 0
2 years ago
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