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Statistics: Dave throws a ball at a bucket. The probability the ball goes into the bucket is 0.4. Dave throws the ball four times. What is the probability that he gets it in twice?

When Dave throws the ball, it can either go into the bucket, or miss. The probability of the ball going into the bucket is 0.4 and each throw is independent of eachother so this probability is the same...

JW
Answered by Jack W. Maths tutor
8397 Views

What methods are there for integration?

There are five methods that can help you integrate a function. All these methods do is simplify the expression you're trying to integrate until you are left with something that you can recall what it i...

CA
Answered by Celine A. Maths tutor
5737 Views

Solve the simultaneous equations, 5x + 2y = 20 , x + 4y= 13

(Equation 1) 5x + 2y = 20 (Equation 2) x + 4y= 13
As we know the values for x and y are the same in both equations, we can use them to find out the values for both, In order to do this we need to tak...

EC
Answered by Ellen C. Maths tutor
11885 Views

How would I solve x^2 + 7x + 10 = 0

The first step of solving this equation to find out what x is, is to factorise it.

This means grouping it into a set of double brackets which will take the form (x+a)(x+b)=0.

<...

WN
Answered by Will N. Maths tutor
8734 Views

Factorise (x+3)(x-8)

(x+3)(x-8)

x*x= x^2

x*-8= -8x

3*x= 3x

3*-8= -24

=x^2 - 8x + 3x - 24

=x^2 - 5x - 24
NJ
Answered by Nikhitha J. Maths tutor
3555 Views

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