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pishuonlain [190]
3 years ago
13

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Mathematics
2 answers:
Damm [24]3 years ago
4 0
The answer is B?amandiodosoenwjdid
djyliett [7]3 years ago
3 0
B explination ?????????,????,? &#£$£$£$£$£$???
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3 years ago
If a+b= -1 then the value of a^3+b^3 - 3ab= ?
Neporo4naja [7]

Answer:

-1

Step-by-step explanation:

(a + b)^{3}  =  {a}^{3}  +  {b}^{3}  + 3ab(a + b) \\ ( - 1)^{3}  =  {a}^{3}  +  {b}^{3}  + 3ab( - 1) \\  - 1 =  {a}^{3}  +  {b}^{3}   -  3ab\\  \\  \huge \red{ \boxed{{a}^{3}  +  {b}^{3}   -  3ab =  - 1}}

5 0
3 years ago
Find the volume of a cone with radius 28 and height 44.
Brut [27]
The volume formula for a cone is V = 1/3 pi r^2 h.  We have everything we need to find the volume. V = 1/3 pi 28^2* 44.  Doing that math and leaving it in terms of pi you have that the volume is 11,498.67 pi units cubed.  If you multiply pi in, the answer would be 36,123.06 units cubed.
4 0
3 years ago
(2) How many 3-meter pieces of rope can be cut from a rope
Liono4ka [1.6K]

Answer:

6 pieces, 2 meter left

Step-by-step explanation:

20/3=6 pieces and 2 meter left

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4 years ago
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According to this diagram, what is tan 62°?
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Ok done. Thank to me:>

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