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andreyandreev [35.5K]
3 years ago
12

From a group of six people, two individuals are to be selected at random. how many possible selections are there

Mathematics
1 answer:
Murrr4er [49]3 years ago
6 0
You can do C(6,2) which gives 6*5/2 which is 15!
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Please may someone help with c
german

Step-by-step explanation:

Distance between two villages = d

(a) \:  \frac{4}{5}  \: of \: d =  \frac{4}{5} d \\  \\ (b) \:  \frac{3}{4}  \: of \: d =  \frac{3}{4} d  \\  \\ (c) \: \frac{4}{5} d -   \frac{3}{4} d = 1.5 \\  \\  \therefore \:   \bigg(\frac{4}{5} -   \frac{3}{4} \bigg) d = 1.5 \\  \\ \therefore \:   \bigg(\frac{4 \times 4 - 3 \times 5}{5 \times 4} \bigg) d = 1.5 \\  \\ \therefore \:   \bigg(\frac{16- 15}{20} \bigg) d = 1.5 \\  \\ \therefore \:   \bigg(\frac{1}{20} \bigg) d = 1.5 \\  \\ \therefore \: d = 1.5 \times 20 \\  \\ \:  \:  \:  \:  \:  \huge \orange{ \boxed{{ \therefore \: d = 30}}}

4 0
3 years ago
What is the branch of mathematics developed by isaac newton called today?.
joja [24]

Answer: Calculus.

Step-by-step explanation: He created calculus.

3 0
1 year ago
What is the density of the oak board, it's 5.5 inches wide, 1.5 inches thick , 3 feet long and weighs 8.05 lbs? Please show work
laiz [17]

Answer:

37 - 56 lb / ft3

0.6 - 0.9 103 kg / m3

Step-by-step explanation:

The density or hardness of wood varies by species, and the value is necessary to approximate the weight of lumber by volume. In this table, the density of different species of wood is expressed as weight in pounds per cubic foot and kilograms per cubic meter. The density will vary based on the moisture content of the wood.

8 0
3 years ago
Which line intersects the parabola y = x^2 + 6x-2 at two points?
schepotkina [342]

Answer:

C

Step-by-step explanation:

You find y-intercept x=0

3 0
3 years ago
Figure B is a scaled copy of Figure A
Licemer1 [7]
Answer: 72 HOPE THIS HELPS!
6 0
3 years ago
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