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2 years ago

15

Really easy for some people DUE TONIGHT AT 11:59

1 answer:

Rainbow [258]2 years ago

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There’s no picture? i cant view it ):

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The diagram shows a 5 cm x 5 cm x 5 cm cube.

mylen [45]

Answer:

~8.66cm

Step-by-step explanation:

The length of a diagonal of a rectangular of sides a and b is

$\sqrt{a^2+b^2}$

in a cube, we can start by computing the diagonal of a rectangular side/wall containing A and then the diagonal of the rectangle formed by that diagonal and the edge leading to A. If the cube has sides a, b and c, we infer that the length is:

$\sqrt{\sqrt{a^2+b^2}^2 + c^2} = \sqrt{a^2+b^2+c^2}$

Using this reasoning, we can prove that in a n-dimensional space, the length of the longest diagonal of a hypercube of edge lengths $a_1, a_2, a_3, \ldots, a_n$ is

$\sqrt{a_1^2 + a_2^2 + a_3^2 + \ldots + a_n^2}$

So the solution here is

$\sqrt{(5cm)^2 + (5cm)^2 + (5cm)^2} = \sqrt{75cm^2} = 5\sqrt{3cm^2} \approx 5\cdot 1.732cm = 8.66cm$

5 0

2 years ago

Read 2 more answers

Find the zeros of the function. Enter the solutions from least to greatest.

Harman [31]

9514 1404 393

Answer:

x = 5, x = 11

Step-by-step explanation:

Set f(x) = 0 and solve for x.

0 = (x -8)² -9

9 = (x -8)² . . . . . add 9

±√9 = x -8 . . . . . take the square root

±3 +8 = x . . . . . . . add 8

That is, ...

x = 8 -3 = 5 . . . . lesser x

x = 8 +3 = 11 . . . greater x

3 0

2 years ago

Can I get some help?

Naya [18.7K]

Type in the question without g(x)

6 0

2 years ago

Find the period of the function y=3/2 tan(1/3^x)<br> A) π/3<br> B) π/6<br> C) 3 π<br> D) π

Anna71 [15]

C is the right answer because the period should be pi/(1/3), so the answer is 3pi

3 0

2 years ago

Write the quadratic equation in standard form please<br> -5x^2-6x=-1+2x

slava [35]

Answer:

-5x^2-8x+1=0

Hope this helps!!

8 0

2 years ago