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Flura [38]
3 years ago
12

2) Luciano é dono de um terreno em forma de trapézio que possui bases de 10 e 18 metros e comprimento de 8 metros. Qual a área d

esse terreno? 1 ponto (a) 80 m² (b) 144 m² (c) 224 m² (d) 112 m²
Mathematics
1 answer:
Irina18 [472]3 years ago
5 0

Answer:

<h2>(d) 112 m²</h2>

Step-by-step explanation:

We know by given that the bases of the form are 10 and 18 meters, and its height is 8 meters.

The area of a trapezoid is defined as

A=\frac{(B+b)h}{2}

Replacing given values, we have

A=\frac{(18+10)8}{2}=112 \ m^{2}

Therefore, the right answer is D.

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A rectangular solid with a square base has a volume of 4096 cubic inches - determine the dimensions that yield the minimum surfa
Bumek [7]

Answer:

side of base, a = 10.1 inches, height, h = 40.1 inches

Step-by-step explanation:

Volume of rectangular solid, V = 4096 cubic inches

Let the side of base is a and the height is h.

V = a^2h\\\\4096 = a^2 h ..... (1)

surface area of the solid  

S = 2a^2 + 4 ah \\\\S = 2a^2 + 4 \times a \times \frac{4096}{a^2}    from (1)\\\S = 2a^2 + \frac{4096}{a}\\\\\frac{dS}{da}= 4 a - \frac{4096}{a^2}\\\\4 a - \frac{4096}{a^2} = 0 \\\\a^3 = 1024\\\\a =10.1 inches

So, h = 40.2 inches

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2 years ago
What are the numbers less than -7 and greater than -15?
Gnoma [55]

Answer:

-8,-9,-10,-11,-12,-13

Step-by-step explanation:

4 0
2 years ago
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1 year ago
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Please help<br> c=x+b solve for x
fredd [130]

Answer:

x = c - b

Step-by-step explanation:

c = x + b

Subtract b on both sides,

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Hence, solved.

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2 years ago
What Is The Prime Factorization of 212.
DanielleElmas [232]
212
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/ \
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2800
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This might help if you need it again
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3 years ago
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