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Durga Jeyasingham

Medical student with tutoring experience, studying at King's College London

221Students helped
2Questions answered
£25Per hour
Maths

Asked by Georgia · 5 months ago

7x^2 = 2 X needs to be the subject?

Answer: sqrt(2/7) Explanation: 7x^2=2 x^2=2/7 (divided both sides by 7) x=sqrt(2/7) (squarerooted both sides to get x)

Maths

Asked by Lara · 6 months ago

Nth term of 25 21 17 13 9 5?

To find the nth term you need to find the constant difference This is the term to term rule In this case 21-25=-4, 17-21=-4, etc So our constant difference is -4. This becomes the coefficient (number next to) n in the nth term The next step is to find out what we need to add to this to reach our first term As the nth term in linear sequences is an+c, we know a=-4 Substitute n=1 so we have -4 * 1... more

Durga's profile picture

Not currently taking bookings

Durga Jeyasingham

Medical student with tutoring experience, studying at King's College London

221Students helped
2Questions answered
£25Per hour