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Out of a sample of 80 batteries, 3 are faulty. What percentage of the batteries are faulty?

80 F = 100 | F = 10/8 | 3 (10/8) = 3.75 | Therefore, 3.75% of the batteries are faulty.
PS
Answered by Patrick S. • Maths tutor
8090 Views

Show the curve y = 4x^2 + 5x + 3 and the line y = x + 2 have exactly one point of intersection

The curve and the line will intersect when the two expressions are equal, so:4x 2 + 5x + 3 = x + 2 (eliminating y and putting the expressions in terms of one variable).4x 2 + 4x + 1 = 0(2x + 1) 2 = 0 (would ...
JH
Answered by Jacob H. • Maths tutor
3417 Views

How should I organise the structure of a sentence when certain conjunctions or phrases are involved?

In German, there are two main groups of conjunctions; co-ordinating and subordinating. Co-ordinating conjunctions: Do not affect the word order or position of the verb in a sentence. These are limited to a r...
ML
Answered by Millie L. • German tutor
3584 Views

Translate the following sentences into Latin : the girls were walking to the forum, the slave carries the master in the garden

The main thing to do when translating sentences is identifying what is the nominative ( subject), the accusative (object) and the verb. In the 1st sentence we can tell the girls, it is also important to reme...
FM
Answered by finn m. • Latin tutor
4003 Views

Factorise and find the solutions of the equation 6x^2 + 4x -10 = 0

6x 2 + 4x - 10 = 0 6x 2 + 10x - 6x - 10 = 0 2x(3x + 5) - 2(3x + 5) = 0 (2x - 2)(3x + 5) = 0 Case 1: 2x - 2 = 0 2x = 2 x = 1 Case 2: 3x + 5 = 0 3x = -5 x = -5/3
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Answered by Cathy H. • Maths tutor
5417 Views