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2 years ago

Here is a picture of a cube, and the net of this cube. What is the surface area of this cube? Enter your answer in the box. ft²

Mathematics

2 answers:

slava [35]2 years ago

7 0

Answer:

Surface area of the cube = 1536 ft²

Step-by-step explanation:

In this picture of a cube and a net of this cube, one side is given as 16 ft.

As per net one side = 16 ft

Therefore area of one face = 16×16 = 256 ft²

Since there are six sides to form a cube so surface area of the net will be = 6×256 = 1536 ft²

Surface area of the cube = 1536 ft²

kobusy [5.1K]2 years ago

3 0

The surface area of the cube is 1536 square feet because (16×16)×6=1536 square feet. Hope it help!

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Please help me!<br> Hint: the number is negative

wel

Answer:

$-36$ goes into the box

Step-by-step explanation:

Let the number be $x$ , then

$(m^x)^{\frac{1}{3}}=m^{-12}$

We now use the following property of exponents to simplify the left hand side of the equation.

$(a^m)^n=a^{mn}$

This implies that;

$m^{x\times \frac{1}{3}}=m^{-12}$

$\Rightarrow m^{\frac{x}{3}}=m^{-12}$

Since the bases are the same, we equate the exponents to get;

${\frac{x}{3}=-12$

We now multiply both sides by 3 to get;

$\frac{x}{3}\times 3=-12\times 3$

$\Rightarrow x =-36$

Therefore the number that goes into the box is $-36$

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Step-by-step explanation:

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