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GrogVix [38]
3 years ago
15

PLEASE HELP ME WILL. MARK BRAINLIEST!

Mathematics
1 answer:
Salsk061 [2.6K]3 years ago
4 0

Answer: C: 0.4

Step-by-step explanation:

1/5 is 0.2 and double that is 0.4 since there are 2 half hours in an hour :)

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Cual es el resultado de simplificar. Adjunto foto
Margaret [11]

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Step-by-step explanation:

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6 0
2 years ago
Suppose that you ask three friends to go to the mall. each one has a 0.80 chance of saying yes. what is the probability that all
blondinia [14]
The probability is 0.512
5 0
3 years ago
Read 2 more answers
Plzzzzzzzz help!!!!!!!!!
aev [14]

Answer:

20

Step-by-step explanation:

The ratio is 3:5, so 3x4 equals 12, then 5x4=20.

7 0
3 years ago
Use pascal's triangle to expand the following binomial expression <br>1.(2k-1/3)⁶​
Gwar [14]

9514 1404 393

Answer:

  64k^6 -64k^5 +(80/3)k^4 -(160/27)k^3 +(20/27)k^2 -(4/81)k +1/729

Step-by-step explanation:

The row of Pascal's triangle we need for a 6th power expansion is ...

  1, 6, 15, 20, 15, 6, 1

These are the coefficients of the products (a^(n-k))(b^k) in the expansion of (a+b)^n as k ranges from 0 to n.

Your expansion is ...

  1(2k)^6(-1/3)^0 +6(2k)^5(-1/3)^1 +15(2k)^4(-1/3)^2 +20(2k)^3(-1/3)^3 +...

     15(2k)^2(-1/3)^4 +6(2k)^1(-1/3)^5 +1(2k)^0(-1/3)^6

  = 64k^6 -64k^5 +(80/3)k^4 -(160/27)k^3 +(20/27)k^2 -(4/81)k +1/729

7 0
2 years ago
Devaughn is 13 years younger than Sydney. The sum of their ages is 75 . What is Sydney's age?
barxatty [35]
S= Sydney
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so s+s-13=75
2s-13=75
now I think you can solve the rest.
6 0
3 years ago
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