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KATRIN_1 [288]
3 years ago
10

I need help with this question please

Mathematics
1 answer:
koban [17]3 years ago
5 0

Answer:

w = \frac{t}{4}

Step-by-step explanation:

We have t = 4w, the question is asking to rearrange the equation to make "w" the subject, meaning that we have to isolate the variable w.

When we have a number (usually known as a coefficient) next to a variable and want to get rid of it, we need to divide it by both sides. Therefore :

t = 4w

\frac{t}{4} =\frac{4w}{4}

[\frac{t}{4} =w]

Since "t" is an undefined variable and has no initial value, you cannot divide it by anything, therefore it'll stay as [t/4 = w]

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Answer:3/7

Step-by-step explanation:

Since a coin has a head(H) and a tail(T), if two coins are flipped, the total outcome will be 4 i.e(HH, HT, TH and TT)

If 3coins are now flipped, then we will have 8total possible outcomes. The general formula being '2^n' where n is the number of coins.

The outcomes will be matching (H,T) with (HH, HT, TH, TT) to give (HHH, HHT, HTH, HTT, THH, THT, TTH and TTT). Since at least one if the 3coins shows head, then we have 7total possible outcomes excluding TTT.

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