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Stels [109]
3 years ago
11

What is the answer????????????

Mathematics
1 answer:
vazorg [7]3 years ago
6 0

Answer:

43.8

Step-by-step explanation:

Remark

Are there ever a lot of assumptions!!

  • The rectangles are all the same size
  • the triangles are the same size
  • The rectangles are indeed rectangles.
  • The triangles are isosceles.
  • The two equal sides are both equal to the width of the rectangles.

Area of the rectangles

A = L * W

L = 4 m

W = 3 m

Area = 4*3 = 12

There are 3 rectangles so the total area = 3*12 = 36

Area triangles

Area = 1/2 b * h

b = 3

h = 2.6

Area = 1/2 * 2.6 * 3

Area = 1/2 7.8

But there are 2 of them so the area for the 2 is

Area = 2* 1/2 7.8

Area = 7.8

Total area = 36 + 7.8

Total area = 43.8

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(1 point) For the equation given below, evaluate ′ at the point (−1,2). (5−)^4+4^3=2433. ′ at (−1,2) =
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Answer:

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Step-by-step explanation:

Given the equation

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((5x-y)^4+4y^3)'=(2433)'\\ \\4(5x-y)^3\cdot (5x-y)'+4\cdot 3y^2\cdot y'=0\\ \\4(5x-y)^3\cdot (5-y')+12y^2y'=0

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4(5\cdot (-1)-2)^3\cdot (5-y')+12\cdot 2^2\cdot y'=0\\ \\4(-5-2)^3(5-y')+48y'=0\\ \\4\cdot (-7)^3\cdot (5-y')+48y'=0\\ \\-1,372(5-y')+48y'=0\\ \\-6,860+1,372y'+48y'=0\\ \\1,420y'=6,860\\ \\y'=\dfrac{6,860}{1,420}=\dfrac{686}{142}=\dfrac{343}{71}

6 0
3 years ago
Thomas says the following is a right triangle. Is he correct? Justify your answer.
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Answer:

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Step-by-step explanation:

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5 0
4 years ago
Help me pls thank you<br>​
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Answer:

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Step-by-step explanation:

you need it to be a<b+c

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