Top answers

All subjects
All levels

1. (a) Find the sum of all the integers between 1 and 1000 which are divisible by 7. (b) Hence, or otherwise, evaluate the sum of (7r+2) from r=1 to r=142

1a) 1000/7=142.8.... Therefore there are 142 multiples of 7 between 1 and 1000
Therefore the sum of series from 1 to 142 is 1/7th of the solution
Calculation:70.5142143=71071
...

JF
Answered by Jack F. Maths tutor
5841 Views

Was machst du am liebsten in deiner Freizeit? Folgefragen: Warum macht es dir Spaß? Wo machst du es? Sind andere Leute dabei? etc.

The answer is different for every student - and that is what I like about open questions like this. They are a great starter for a session, but also great to get to know the student and their interests. T...

JP
Answered by Johannes P. German tutor
4057 Views

Describe why a person with type 2 diabetes would struggle to control their blood sugar

Insulin resistance

AR
Answered by Ahmed R. Biology tutor
2356 Views

Given that x : y = 7 : 4 and x + y = 88, calculate x - y.

From x : y = 7 : 4 work out an expression for x: x = y (7/4) and substitute into x + y = 88: y(7/4 + 1) = 88y( 11/4) = 88 y = 88 (4/11) = 8 x 4 = 24substitute this into x + y = 88 to get x = 88 - 24 = 64....

TD
Answered by Tutor157746 D. Maths tutor
3509 Views

What is meant by the term "economies of scale" and what types of EOS exist?

Economies of Scale are defined as the reductions in the cost per unit produced that are a result from the increase in the overall scale of production. In other words, as the business prod...

AK
2474 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning