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Zepler [3.9K]
3 years ago
10

George built the figure shown using seven unit cubes. how many such cubes does he haze to add to the figure to make a cube with

the edges of length 3?

Mathematics
1 answer:
Jet001 [13]3 years ago
8 0
<h3>Answer:  20</h3>

===============================================================

Explanation:

Think of a Rubik's cube. Each face is composed of 9 small squares, in which the goal is to get each side to have the same color of 9 squares.

Since we have 9 squares on one face, this means we have each side that is sqrt(9) = 3 units long. Each little square is 1 unit by 1 unit.

The volume of the Rubik's cube is 3*3*3 = 27 cubic units. Meaning that we need 27 small cubes to build up the entire device. We can think of it like saying there are 9 cubes in the top row, 9 in the middle row, and 9 in the bottom row to give 9+9+9 = 27 total cubes.

This figure shows 7 such cubes, so we need 27-7 = 20 more cubes to form a complete Rubik's cube.

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Find the value of x then tell whether the side lengths form a Pythagorean triple 6 , 10 , x
masya89 [10]

Answer:

Explanation:

Use the Pythagorean theorem (

a

2

+

b

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2

)

Lets label the right triangle such that:

a

=

12

b

=

16

c

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Thus,

12

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=

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2

144

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=

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2

400

=

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√

400

=

x

20

=

x

So our missing side,

c

is

20

We can now say that the sides of our triangle are

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20

I've included a link that lists a couple of Pythagorean triples (a couple because they are infinitely many).

Step-by-step explanation:

Hope it helpful

3 0
2 years ago
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Please help ill give brainiest answer
trapecia [35]

Answer:

1: AAS, RQC 2: ASA, SRP

Step-by-step explanation:

(1) We are shown that two angles and one side are congruent in the order of AAS. Make sure you write the letters in terms of the corresponding angles. The angles and sides are congruent because the problem labels it for us. For example, B,A,C=R,Q,S. Answers: AAS, RQC.

(2) We are shown that two angles and one side are congruent in the order of ASA. Make sure you write the letters in terms of the corresponding angles again. For example, P,Q,R=P,S,R. The angles are congruent because the problem labels it for us. Side PR is congruent to side PR by reflexive property. Answers: ASA, SRP.

I hope this helped :) Good luck

4 0
3 years ago
Carlos, Tyjuan and Sarah all went to the same gas station to fill their tanks with regular grade gas. Carlos filled up his gas t
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Im pretty sure its 2.30 per gallon
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2 years ago
Given the perimeter of a rectangle and either the length or​ width, find the unknown measurement using the appropriate formula.
Ad libitum [116K]
The width is 18.

step by step:
1. 2 lengths are 20 which is 20+20 that's 40.
2. 76-40= 36
3. Two widths are 36 cm.
4. so do 36÷2 and that equals 18
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3 years ago
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Find the circumference and area of a circle with diameter 22 ft.
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