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Shalnov [3]
3 years ago
6

Find the constant of proportionality for b) y=2x

Mathematics
1 answer:
natima [27]3 years ago
8 0

Answer:

The constant of proportionality is 2.

Step-by-step explanation:

In an equation for which we are looking for the constant of proportionality, we use the base form below.

y = kx

In which k is the constant of proportionality. If we use the equation given

y = 2x

We can see k = 2

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Lina20 [59]

Answer:

a) Yes

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Step-by-step explanation:

<h3><u>Part (a)</u></h3>

The sum of the lengths of any 2 sides of a triangle is greater than the length of the 3rd side.

7 + 8 = 15 > 9

7 + 9 = 16 > 8

8 + 9 = 17 > 7

Therefore, a triangle with side lengths 7, 8 and 9 <u>can</u> be made.

<h3><u>Part (b)</u></h3>

To determine if the triangle is a right triangle, use Pythagoras' Theorem:

a² + b² = c² (where a and b are the legs, and c is the hypotenuse)

The hypotenuse is the longest side, therefore:

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8 0
3 years ago
Simplify enter your answer
ioda
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3 years ago
How much is 1/8 out of 3/4
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