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Sidana [21]
3 years ago
15

Fide f (-4) evaluate the function

Mathematics
1 answer:
Tems11 [23]3 years ago
3 0
<h3>Solution:</h3>

f(x) =  { - x}^{2}  - 10 \\  =  > f( - 4) =  - ( - 4)^{2}  - 10 \\  =   - 16 - 10 \\  =  - 26

<h3>Answer:</h3>

The answer is -26.

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A right rectangular prism has edges of 2 1/4 in, 1 1/2 in and 1 1/2 in. How many cubes with lengths of 1/4 in would be needed to
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The volume of the big one is  (2.25) x (1.5) x (1.5) = <em>5.0625 cubic inches</em>.

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

Doing it with fractions instead of decimals:

The volume of a rectangular prism is (length) x (width) x (height).
Dimensions of the big one are:

   2-1/4  =  9/4
   1-1/2  =  3/2
   1-1/2  =  3/2

   Volume = (9/4) x (3/2) x (3/2) =
 
                 (9 x 3 x 3) / (4 x 2 x 2)  =

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Volume of the tiny cubie = (1/4) x (1/4) x (1/4) =  1/64 cubic inch.   

The number of little ones needed to fill the big one is

             (Volume of the big one)  divided by (volume of the little one) .

                 (81/16) divided by (1/64)  = 

                     (81/16) times (64/1)  = 

                             5,184/16  =  <em>324 tiny cubies</em>.


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48438283÷473737374832
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