2 years ago

Please help im stuck

1 answer:

5 0

14 male in all
16 female in all
30 combined
if you are finding the probability of a male it would be 14 divided by 30 = 0.4667 which rounded would equal 47%

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What is (2+y)³ written out? 8 + 12y + 6y² + y³ 6 + 8y + 4y² + y³

AveGali [126]

$\boxed{(2+y)^3-cube\ the\ sum\ of\ the\ numbers\ 2\ and\ y}$

$Use:\ (a+b)^3=(a+b)(a+b)(a+b)=a^3+3a^2b+3ab^2+b^3\\----------------------------\\(2+y)^3=2^3+3\cdot2^2\cdot y+3\cdot2\cdot y^2+y^3=8+3\cdot4y+6y^2+y^3\\\\=8+12y+6y^2+y^3\\========================================$

$8+12y+6y^2+6y^3+8y+4y^2+y^3\\=8+(12y+8y)+(6y^2+4y^2)+(6y^3+y^3)\\=8+20y+10y^2+7y^3$

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2 years ago

Read 2 more answers

Can I have to answers for all the ones that are circled please :D

kipiarov [429]

32. Answer: 2+5×3=17
33. Answer: 2×5+3=17
34. Answer: 2×5×3=30
35. Answer: 2×5-3=7

3 0

3 years ago

Explau why 3.14 us rational but pi is not

saw5 [17]

If 3.14 is rational, why should pi also be rational ?

The answer to your question is: Because pi is not 3.14 .

8 0