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How would you find the mean for the numbers 100, 230, 450, 120 and 250?

The first step would be to add all of the numbers together. In this example the sum of the numbers would be 1150. The second step would be to count how many numbers there are, so 100 would count as 1 numb...

JC
Answered by Jemilla C. • Maths tutor
2995 Views

15/7 + 5/4

Find the lowest common denominator between the two fractions, which is 28 (74 = 28).Multiply the fractions numerator (15 and 5) by the same number that you have used to multiply the denominator when f...

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Answered by Allan D. • Maths tutor
6398 Views

Given that f(x) = 1/x - sqrt(x) + 3. Find f'(1).

We are given that f(x) = 1/x - sqrt(x) + 3. Here, f(x) represents a function. A function is a relation or expression involving one or more variables. We are able to differentiate f(x) in order to find the...

Answered by • Maths tutor
7176 Views

The point P has coordinates (3, 4) The point Q has coordinates (a, b) A line perpendicular to PQ is given by the equation 3x + 2y = 7 Find an expression for b in terms of a.

y = (7-3x)/2m = -3/2 therefore:Y = 2/3 X + cwhen Y = 4 and X = 3, c = 2therefore b = 2/3

DP
Answered by Dilan P. • Maths tutor
3514 Views

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