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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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I WILL GIVE BRAINLIEST
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Step-by-step explanation:

9/8 × (-7/3) =

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3 years ago
Rounded to the nearest hundredth, what is the positive solution to the quadratic equation 0 = 2x2 + 3x – 8? Quadratic formula: x
Lynna [10]

ANSWER

1.39

EXPLANATION

The given quadratic equation is

0 = 2 {x}^{2}  + 3x - 8

This is the same as,

2 {x}^{2}  + 3x - 8 = 0

Comparing to

a {x}^{2}  + bx  + c = 0

We have

a=2, b=3,c=-8

Using the quadratic formula, the solution is given by:

x =  \frac{ - b \pm \:  \sqrt{ {b}^{2}  - 4ac} }{2a}

We substitute the values to get,

x =  \frac{ - 3\pm \:  \sqrt{ {3}^{2}  - 4(2)( - 8)} }{2(2)}

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