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If I toss a coin 3 times what is the probability of it landing on heads at least once?

The probability of getting heads at least once is the same as saying the probability of getting heads: exactly once, exactly twice or exactly three times. This is also 1 minus the probability of getting ...

JV
Answered by Joseph V. Maths tutor
6066 Views

Die Universität soll kostenlos sein. Was denken Sie?

Intro: Politik der Labor-Partei, "Es ergibt sich die Frage, ob..."Para 1 - Kontra: "Es liegt auf dem Hand, dass..." 1. Wirtschaftskrise - nicht nahhaltig, schon unterfinanzierte Dienst...

LG
Answered by Lily G. German tutor
2124 Views

Prove that n(n+5) + 2(n+3) is always a product of two numbers with a difference of 5.

n(n+5)+2(n+3) = n2+5n+2n+6 = n2+7n +6 = (n+6)(n+1) = (n+6) x (n+1).
The difference between (n+6) and (n+1) is 5, so this is a product of two numbers with a difference of 5.

EG
Answered by Eleanor G. Maths tutor
4615 Views

When should I use the subjunctive mood?

Unlike a tense such as past or present, the subjunctive mood refers to the attitude of the speaker. The subjunctive is commonly used to express doubt, desire, wishes, requests and more. A good way to reme...

PH
Answered by Phoebe H. Spanish tutor
2149 Views

A ball is released from rest at a height of 4m. At what speed does it hit the ground?

First write out information from the question.s=4m u=0m/s v=? a=9.8m/s2 t=Choose correct "suvat" equation: v2=u2+2asSubstitute in known variables.Obtain v= 8...

MA
Answered by Molly A. Maths tutor
4185 Views

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