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4 years ago

WILL GIVE BRAINLIST AND 21 POINTS

Mathematics

2 answers:

sweet [91]4 years ago

8 0

Answer:

1) 4/(6+4+5) = 4/15

2) incomplete data

3) 16/(12+14+16+18) = 16/60 = 4/15

= 27%

4) (1+3)/10= 4/10 = 2/5

5) 12/30 = 0.4 = 40%

zvonat [6]4 years ago

8 0

Answer:

All of those answers are correct except number 2 that one is 0.3

Step-by-step explanation:

1.) 4/15

2.) 0.3

3.) 27%

4.) 2/5

5.) 40%

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Neko [114]

The cost of 800 bricks having dimensions of $7\frac{3}{4} \ by\ 3\frac{1}{2} \ by \ 2\frac{1}{2}$ at a cost of $0.07 per in.³ is <u>$3,797.5</u>

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The dimensions of the brick are;

$\mathbf{7\frac{3}{4} \ by\ 3\frac{1}{2} \ by \ 2\frac{1}{2}}$

Cost of a cubic inch of brick = $0.07

The volume of 1 brick is therefore;

$Volume \ of \ 1 \ brick \ V_1= 7\frac{3}{4} \ \times \ 3\frac{1}{2} \ \times \ 2\frac{1}{2} = \mathbf{67\frac{13}{16}}$

The volume occupied by 800 bricks is therefore;

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Given that the dimensions of the bricks are in inches, the volume of 800 bricks is therefore;

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The cost of 800 bricks is therefore;

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Learn more about finding the volume of a rectangular prism here:

brainly.com/question/3789826

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2 years ago

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Answer:

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