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horsena [70]
3 years ago
6

Density of a 8200 gram brick that is 4 inches x 4 inches x 4 inches?

Mathematics
1 answer:
Tanzania [10]3 years ago
3 0
Density = mass / volume
Density = 8,200 grams / (4*4*4)
Density = 8,200 grams / 64 cubic inches
Density = <span> <span> <span> 128.125 </span> </span> </span> grams / cubic inch


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Which is a zero of the quadratic function f(x) = 16x?? + 32x - 9?
STALIN [3.7K]

Answer:

f(x) = 16x2 + 32x - 9

 

To find the "zeros", set f(x) = 0:

 

    0 = 16x2 + 32x - 9

 

The equation is solvable by factoring or by using the quadratic formula.  The factors (use the "ac" method) are:

 

    0 = (4x-1)(4x+9)

 

    x = 1/4 = 0.25 and x = -9/4 = -2.25

Step-by-step explanation:

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3 years ago
The perimeter of a triangle is 56. The side lengths are x + 4, 3x + 7, and x + 9. What is the value of x?
Sidana [21]
<h3><u>Answer:</u></h3>
  • x = 7.2
<h3><u>Step-by-step explanation:</u></h3>
  • Perimeter: Side 1 + Side 2 + Side 3
  • => x + 4 + 3x + 7 + x + 9 = 56
  • => 5x + 20 = 56
  • => 5x = 56 - 20
  • => 5x = 36
  • => x = 7.2
<h3><u>Conclusion:</u></h3>

Therefore, the value of x is 7.2.

Hoped this helped.

BrainiacUser1357

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The order of the scale drawings from smallest to largest is

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Since 1 in is used as the base conversion for all the scales, we can convert the other scales to yards for consistency's sake.

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Convert 1ft to yards. According to conversion factor;

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Ordering the scales from smallest to largest will give

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Learn more here: brainly.com/question/14348682

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