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Maslowich
3 years ago
14

What is the surface area of the cube​

Mathematics
2 answers:
SpyIntel [72]3 years ago
7 0

1734 centimeters. I just used the formula for the cube

Arlecino [84]3 years ago
4 0

Answer:

A=1734 cm

Step-by-step explanation:

A=6a²

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Rewrite the equation of the parabola in vertex form. y= x2 + 8x - 21
sergey [27]

Answer:

y=(x+4)^{2}-37

Step-by-step explanation:

we know that

The equation of a vertical parabola into vertex form is equal to

y=a(x-h)^{2}+k

where

(h,k) is the vertex of the parabola

if a> 0 then the parabola open upward (vertex is a minimum)

if a< 0 then the parabola open downward (vertex is a maximum)

In this problem we have

y=x^{2}+8x-21

Convert to vertex form

Complete the square

y+21=x^{2}+8x

y+21+16=(x^{2}+8x+16)

y+37=(x^{2}+8x+16)

y+37=(x+4)^{2}

y=(x+4)^{2}-37 --------> equation in vertex form

The vertex is the point (-4,-37)

the parabola open upward (vertex is a minimum)

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2 years ago
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ira [324]

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Step-by-step explanation:

3 0
2 years ago
Answer please! 11y - 3y = 24
Zarrin [17]
11-3 = 8
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Answer:

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Step-by-step explanation:

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