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Arada [10]
3 years ago
7

HELP ON A TEST Factor the expression: 4x^2 - 121 (x^2 means x squared)

Mathematics
1 answer:
GenaCL600 [577]3 years ago
8 0
(2x-11)(2x+11) is the answer
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Given cube inscribed in sphere with edges √243 cm. Find the volume of sphere
g100num [7]

Answer:

10,300.77 cm³

Step-by-step explanation:

Radius = ½(diameter)

Diagonal:

sqrt[243 + 243]

sqrt(486)

Diameter

sqrt(486 + 243)

27

Radius: 27/2

Volume of sphere:

4/3 × pi × r³

4/3 × 3.14 × (27/2)³

10300.77 cm³

3 0
3 years ago
Find the value of this fraction computation: 6(1/2 + 2/3 + 3/4) Show the steps.
Marta_Voda [28]

6(1/2 + 2/3 + 3/4)

= 6(1/2) + 6(2/3) + 6(3/4)

= 3 + 4 + 4 1/2

= 11 1/2

Answer

11 1/2  (23/2 or 11.5)


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3 years ago
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VikaD [51]

Answer:

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