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kvasek [131]
3 years ago
7

Diagnostic Pre Test

Mathematics
1 answer:
choli [55]3 years ago
5 0

We can make this:

x^2=7x-12

This becomes:

x^2-7x+12=0

Factored form:

(x-4)(x-3)=0

The numbers are either 4 or 3, so D is correct

Hope this helped!

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A rectangular plot 72 metres long and 20 metres wide on a school farm sided into 18 equal plots. What the area of each plot?
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Answer:

Step-by-step explanation:

There are many ways this could be done, but the simplest way is to divide 18 into 72. That gives 4. So each plot is 4 * 20 = 80 m^2

If you are willing to use fractions, the answer could be 20*72 / 18 = 8 * 10  which is more feasible and still gives 80, but the land may not permit it. However math will.

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Read 2 more answers
Whats the length of the patio?
nikdorinn [45]

Answer:

Length = 20 feet; x = 14

Step-by-step explanation:

Parameter = width + length + width + length

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14 = x

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