4 years ago

Please help with this Question, I've been having trouble with. As soon as possible, thanks

Mathematics

1 answer:

vazorg [7]4 years ago

6 0

I believe it is 12
tell me if i was wrong

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KengaRu [80]

for the health inspector is 4x7=28 days and the fire inspector 12x4=48 days. the last question is confusing?

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4 years ago

Y is inversely proportional to X. When y 20, x = 2 Work out y when x = 5

Oliga [24]

Answer:

When x = 5, y = 8.

Step-by-step explanation:

y is inversely proportional to X.

This means that we solve this using the rule of three for inversely proportional variables, that is, we apply line multiplication instead of cross multiplication.

y = 20, x = 2

Work out y when x = 5

20 - 2

x - 5

Applying line multiplication

$5y = 40$

$y = \frac{40}{5}$

$y = 8$

When x = 5, y = 8.

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3 years ago

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pav-90 [236]

Answer:

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Step-by-step explanation:

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3 years ago

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The options for the first blank are 45, 240, 270, and 315

Schach [20]

Answer:

The solutions are 270° and 450°.

Step-by-step explanation:

Given:

$cos\frac{x}{2} =\frac{\sqrt{2} }{2}$ .

So, the second and third quadrant angle to be calculated.

$cos\frac{x}{2}=135$

$=x=270$ °.

And, $cos\frac{x}{2}=225$

$=x=450$ °

Therefore, the solutions are 270° and 450°.

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3 years ago

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geniusboy [140]

Answer:

irrational irrational rational irrational rational

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3 years ago