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The range of a set of numbers is 15 1/4. The smallest number is –2 7/8. Work out the largest number.

First we need to understand what the range is. It is the difference between the smallest and largest numbers in a sample or list or numbers. If we add the range on to the smallest number we get the largest n...
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Answered by Kirsty A. • Maths tutor
11766 Views

What is excess supply?

Excess supply is a form of allocative inefficiency where the supply of a good or service becomes greater than the demand for this good or service in the market. This often happens because the price for a goo...
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Answered by Chenab B. • Economics tutor
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Solve the following simultaneous equations: 3y=7+5x (1) 9x=-7y-4 (2)

Rearrange (2): x=(-7y-4)/9Substitute the value of x from (2) into (1): 3y=7+5*(-7y-4)/9 Simplify and rearrange for y: y+(35y/27)=(7/3) -(20/27)Resolve for y: y=43/62Substitute y into (1): (3*63)/62=7+5xRearr...
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Answered by Tutor510286 D. • Maths tutor
3279 Views

Solve x(x-1)-12=0

Expand the brackets to find x 2 -x-12=0Factorise the equation to find (x-4)(x+3)=0Check it expands to equal x 2 -x-12=0Find the value of x as:x+4=0 therefore X=4x-3=0 therefore X=-3
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Answered by Sarah W. • Maths tutor
3181 Views

Can you explain reflexive verbs and teach me how to conjugate them?

Of course!Reflexive verbs in Spanish are used when a person or thing is performing an action on itself.here is an example for each of the verb endings:lavarse - to wash oneselfverse - to see oneselfvestirse ...
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Answered by Caylan G. • Spanish tutor
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