Tell whether x and y are in a proportional relationship. Explain your reasoning.

Mathematics

1 answer:

notsponge [240]2 years ago

8 0

No because they 90 to 200 is 110 but 200 to 325 is 125

110 obviously does not equal 125

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What is the value of x in the following equation, x/4 = -120? (Btw, it's x over 4 not division :)

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If you mean by x over 4 that it is fraction then there is no different between it and divisions
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In the right triangle shown in the diagram below,

adelina 88 [10]

QUESTION :-

what is the value of x to the nearest whole number?

ANSWER :-

$\cos( \theta) = \frac{base}{hypotenuse} \\ \cos(30) = \frac{x}{24} \\ \frac{ \sqrt{3} }{ \cancel2} = \frac{x}{ \cancel{24}} = \frac{x}{12} \\ 1.732 = \frac{x}{12} \\ 12 \times 1.732 = x \\ x = 20.7$

the nearest whole number-->

20.7 --> approximately --> 21 units

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