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nasty-shy [4]
3 years ago
10

There are (4^2)^3 ⋅ 40 horses at a stud farm. What is the total number of horses in the farm?

Mathematics
1 answer:
STatiana [176]3 years ago
8 0
(4^{2})^3 - 40 \\ 
16^3 - 40 \\
4096 - 40 \\
4056
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The perimeter of a rectangle is 36m. If its length is increased by 1m and the width is increased by 2m, its area will increase b
maw [93]

Answer:

  80 m^2

Step-by-step explanation:

The given information lets you write two equations involving length (x) and width (y).

  • 2(x +y) = 36 . . . . the perimeter is 36 m
  • (x+1)(y+2) -xy = 30 . . . . increasing the length and width increases area

The second of these equations simplifies to another linear equation, giving a system of linear equations easily solved.

  xy +y +2x + 2 -xy = 30

  2x +y = 28 . . . . . . . subtract 2

Dividing the first equation by 2 gives

  x +y = 18

and subtracting this from the above equation gives ...

  (2x +y) -(x +y) = 28 -18

  x = 10

Then

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The area of the original rectangle is xy = 10·8 = 80 m^2.

4 0
2 years ago
What is the answer and how do I solve it?
vichka [17]
The lengths of the rectangles are 7 and 12 respectively.  Form the ratio 7/12.  The widths of the rects. are x and 5 respectively.  Form the ratio x/5.  Now equate these two ratios:

7       x
--- = ---
12     5

Solve this for x.  One way to do this would be to cross-multiply, obtaining 12x = 35, and solving this result for x.  x will be a fraction.  Write the numerator and denominator in the boxes given.
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2 years ago
The price of a particular stock is represented by the linear equation y=-0.91x+103.47
Mama L [17]

To find the price of the stock after 12 weeks, you would have to plug in 12 to x

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Then, you solve:

-0.91(12) would be -10.12

Your equation will now look like this:

y = - 10.12 + 103.47

Then you add -10.12 to 103.47

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y = 92.55

After 12 weeks, the price of the stocks would be $92.55

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3 years ago
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kotegsom [21]

Answer:

Target distance is 4/5 miles

walked 2/5 miles  and walked 1/4 miles

so distance need to walk is 3/20

-heart or brainly me :3-

5 0
3 years ago
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Evaluate sum r=1 ^ infty 1 r(r+2)^ prime
sasho [114]

1^infinity = 1

Thus :

r = 1

______________________

r ( r + 2 )^prime =

1 × ( 1 + 2 )^1 =

1 × 3^1 =

1 × 3 =

3

3 0
3 years ago
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