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Aleksandr [31]
3 years ago
8

-3c^2 + 12cd-4d2 from 4c2 + 3cd + 2d2.​

Mathematics
1 answer:
madam [21]3 years ago
6 0

Answer:

828

Step-by-step explanation:

12

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Find the volume of the pyramid below.
lora16 [44]

Answer:

B

Step-by-step explanation:

The volume (V) of a pyramid is calculated as

V = \frac{1}{3} area of base × perpendicular height (h)

area of square base = 12 × 12 = 144 units² and h = 8, hence

V = \frac{1}{3} × 144 × 8 = \frac{1152}{3} = 384 units³ → B

6 0
4 years ago
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A rectangle has a length that is 2 greater then its width. The area is 15 square centimeters. what are the dimensions of the rec
GaryK [48]

9514 1404 393

Answer:

  • length 5 cm
  • width 3 cm

Step-by-step explanation:

Your knowledge of multiplication facts tells you 3×5 = 15. Your knowledge of addition facts tells you 3+2 = 5. So, the dimensions 3 cm and 5 cm are the width and length of the rectangle, respectively.

3 0
3 years ago
Steve ordered plastic cases for storing his basketball cards each case has a length of 12 CM and a width of 6.5 cm , and height
AlladinOne [14]
Volume of a rectangular prism(the baseball card case) can be defined as follows:  V = lwh

V = lwh
V = 12(6.5)(1.25)
V = 97.5 cm³
6 0
4 years ago
What would be an equation that gives you the 3 consecutive numbers of 72
Vera_Pavlovna [14]
I'm not sure what you mean by "the 3 consecutive numbers of 72".

Do you mean 3 consecutive numbers that ADD UP TO 72 ?

If that's what you want, then you can use this equation:

The middle number . . . . . x
The smallest number . . . . (x-1)
The biggest number . . . . . (x+1)

The equation:        (x-1)   +   (x)   +   (x+1)   =   72 .

Boil that equation down, and you discover that  x=24 .

So the 3 numbers are  23,  24,  and  25 .
___________________________________

If that's not what your question means, then this answer
isn't what you need, and you should completely ignore it.
8 0
4 years ago
How do I find the intervals when it's set up as a fraction?
AnnyKZ [126]
In this context epsilon mean "member of", so "x ϵ" means "x is a member of."
<span>Epsilon is a Greek letter and its meaning in mathematics depends on context</span>
4 0
3 years ago
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