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1 year ago

An experiment involves flipping a coin three times.

Mathematics

1 answer:

Xelga [282]1 year ago

3 0

Answer:

19/50

Step-by-step explanation:

If you put this in decimal form, it's 0.38.

All you have to do is convert the decimal to a reduced fraction, which is 19 over 50 (19/15).

Hope this helps you!

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Can someone pls help??

ch4aika [34]

Answer:

No. A = 32 square units B= 42 square units

Explanation:

When finding the area of composite figures, add the area of each figure.

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3 years ago

What is 149/18 in its simplest form

Helga [31]

Its simplest form is 8 5/18

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3 years ago

Read 2 more answers

Leo is planning a trip with his friends by renting a bus. He found that the bus cost $75.50 for 5 people if he is planning to go

kolezko [41]

Step-by-step explanation:

75.50 x 13

=151 is the anser for 10 people you need to figure out how much it costs per person to find your complete answer and don't forget get that your adding "Leo " into the eqation

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3 years ago

Find the slope of the line passing through the points (-5,3) and (-5,-7)

padilas [110]

Answer:

The slope is Undefined.

Step-by-step explanation:

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2 years ago

Let n be a natural number. Show that 3 | n3 −n

Vladimir [108]

Let $n=1$ . Then $n^3-n=1^3-1=0$ . By convention, every non-zero integer $n$ divides 0, so $3\vert n^3-n$ .

Suppose this relation holds for $n=k$ , i.e. $3\vert k^3-k$ . We then hope to show it must also hold for $n=k+1$ .

You have

$(k+1)^3-(k+1)=(k^3+3k^2+3k+1)-(k+1)=(k^3-k)+3(k^2+k)$

We assumed that $3\vert k^3-k$ , and it's clear that $3\vert 3(k^2+k)$ because $3(k^2+k)$ is a multiple of 3. This means the remainder upon divides $(k+1)^3-(k+1)$ must be 0, and therefore the relation holds for $n=k+1$ . This proves the statement.

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3 years ago