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There are 895 litres of petrol in Mr Turners petrol tank, he uses 19.7 litres of petrol a day. Estimate the number of days it will take him to use all the petrol in the tank.

895 is approximately 90019.7 is approximately 20 900/20 = 45 it will take approximately 45 days to use all the oil in the tank
HT
Answered by Henry T. • Maths tutor
3134 Views

Solve the following equation: 7x + 6 = -5x - 42

First, we gather like terms: 7x + 5x = -42 - 6 This gives: 12x = -48Now we can divide both sides by 12 to solve for x: 12x/12 = -48/12This gives: x = -4
KY
Answered by Kyle Y. • Maths tutor
4332 Views

Solve this set of simultaneous equations. 1. 4x+2y=12 2. 2x+3y=10

To solve simultaneous equations we need to make either the y coefficients or the x coefficients equal so that we can cancel them out. For this set of equations we are going to make the x coefficients the sam...
GB
Answered by Georgia B. • Maths tutor
4684 Views

Solve ln(2x-3) = 1

e ln(2x-3) = e 1 2x-3 = e x = (e+3)/2
JC
Answered by Jonathan C. • Maths tutor
6173 Views

Find all solutions to the trig equation 2sin(x)^2 + 3sin(x) - 2 = 0 in the range 0 <= x <= 360 degrees

Assuming knowledge of solving regular quadratic equations.Treat this as a regular quadratic equation, except it is in terms of sin(x) instead of just x as you might be used to.So using the quadratic equation...
TM
Answered by Toby M. • Maths tutor
5288 Views