MATHEMATICS HIGH SCHOOL

Steve is turning half of his backyard into a chicken pen. His backyard is a 242424 meter by 454545 meter rectangle. He wants to put a chicken wire fence that stretches diagonally from one corner to the opposite corner. How many meters of fencing will Steve need?

Answers

Answer 1
Answer:

Answer:

51 meters

Step-by-step explanation:

The shape of the backyard is rectangular having a length, l=45 meters, and a width, w=24 meters as shown in the figure.

As wants to put a chicken wire fence that stretches diagonally from one corner to the opposite corner. So,

The length of fencing = The length of the diagonal AC or BD

As the length of both the diagonals of a rectangle are equals, AC=BD.

The length of fencing =√(l^2+w^2) [length of the diagonal]

=√(45^2+24^2)=51 meters

Hence, Steve needs 51 meters of fencing.

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Calculate {dx x2
A. 1/x+c
B.-1/x+c
C.1/3x3+c
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7. $65Alexis owed her brother $30. After her birthday, she was able to pay him back
and still have $35. How much money did Alexis receive for her birthday?

Answers

Answer:

$65

Step-by-step explanation:

65-30=35

Is 21,28,35 a right triangle?

I will mark the CORRECT answer Brainiest.

Answers

Answer:

Yes

Step-by-step explanation:

If the sides match Pythagoras' Theorem, the triangle is a right triangle.

21^(2) +28^(2)

= 441+784

= 1225

= 35^(2)

Answer:

Yes

Step-by-step explanation:

Criteria for finding a right triangle is that sum of square of two sides = square of the third side.

Let the sides be A, B and C.

( i.e )

A² + B² = C²

So,

Let,

A = 21

B = 28

C = 35

21² + 28² = 35²

441 + 784 = 1225

1225 = 1225

Hence,

Sides 21, 28, and 35 will form a right triangle.

If g(x)=x squared+2 find g(3)

Answers

Answer:

11

Step-by-step explanation:

x^2+2

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Answers

7.2 is the square root of 53

Convert the number below from exponential to standard notation.6(104) + 4(103) + 8(102) + 1(101) + 7(100)

6,481,700
648.17
648,170
64,817

Answers

6(10^4) + 4(10^3) + 8(10^2) + 1(10^1) + 7(10^0)\n\n = 6(10,000) + 4(1,000) + 8(100) + 1(10) + 7(1)\n\n=60,000 + 4,000 + 800 + 10 + 7\n\n = \boxed{\bf{64,817}}

Your answer is D.
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