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RoseWind [281]
3 years ago
6

2Ra=B a=? Please help

Mathematics
1 answer:
jolli1 [7]3 years ago
4 0

Answer:

a = B/(2R)

Step-by-step explanation:

2Ra = B

a = B / (2R)

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a farmer grows corn and soybeans on her 300-acre farm. She wants to plant 110 more acres of soybeans than corn. How many acres o
tigry1 [53]
A) C + S = 300
B) S -C = 110
Adding A and B we get:
2 S = 410
Soybeans = 205 acres
Corn = 95 acres


3 0
3 years ago
a farmer wants to fence in three sides of a rectangular field shown below with 960 feet of fencing. The other side of the rectan
Alika [10]

9514 1404 393

Answer:

  240 ft by 480 ft

Step-by-step explanation:

Area is maximized when the long side is half the total length of the fence. That makes the short side (out from the river) be half the length of the long side.

The fenced field dimensions are 240 feet by 480 feet.

__

You can let x represent the length of the long side. Then the length of the short side is half the remaining fence: (960 -x)/2.

The total area is the product of these dimensions:

  A = x(960 -x)/2

We note that this is the equation of a parabola with zeros at x=0 and x=960. The maximum will be found on the line of symmetry, halfway between the zeros. That is at x = (0 +960)/2 = 480.

The area is maximized for a long-side dimension of 480 feet. The short sides are 240 feet.

3 0
3 years ago
90 Points!! PLEASE MAKE SURE THE INORMATION IS CORRECT THAT YOU GIVE ME!
jekas [21]

Answer:

They bought 23 tickets for children and 52 for adults.

Step-by-step explanation:

So first you must find what i represents so here it is

A= Adult

C= Children

They both sold the tickets which is going to be

A + C = 75

Now here it shows

12= each adult ticket

8= each children ticket

find the equation like this 12 A + 8C = 808

Now to find the C

You can find by resolving it like this

C= 75 - A

Solve the A and C

4A = 208

A = 52

12 (52) + 8C = 808

624 + 8C = 808

Children = 23

Adult= 52

8 0
3 years ago
What is?...<br><br> 18 1/7 - 11 5/6
Daniel [21]
18+1/7-(11+5/6)
=18-11+1/7-5/6
=7+(6-5*7)/42
=7-29/42
=6+13/42
=6\frac{13}{42}
3 0
3 years ago
Evaluate the expression: –(31 + 2) + 72 – (–5)2.
Rudiy27

Answer:

 14

Step-by-step explanation:

Order of operations rules require that we do any work inside parentheses first.  Thus,

–(31 + 2) + 72 – (–5)^2

becomes:

     -33    + 72 -  25, or

               14

Important:  Please use " ^ " to denote exponentiation; (-5)2 is incorrect, whereas (-5)^2 or (-5)² is correct.

4 0
3 years ago
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