Two variables are said to be proportional or have a proportional relationship when they have equivalent ratios. That is they increase or decrease by a factor.

Let x represent the size of Sugar Buzz soft drink and let y represent the amount of sugar.

y is proportional to x, hence:

y = kx; k is the constant of proportionality.\

When x = 12 ounce, y = 44.4 grams, hence:

12k=44.4

k = 3.7 gram per ounce

Therefore there is 3.7 grams of sugar in each ounce of sugar Buzz.

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6 0

3 years ago

A map of an island is shown on a half-centimetre grid,

SOVA2 [1]

Answer:

The answer is b.

Step-by-step explanation:

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3 years ago

X(15-x)=50 quadratic equations

meriva

Answer:

$15x - {x}^{2} =50 \\ {x }^{2} - 15x + 50 = 0 \\ {x}^{2} - 10x - 5x + 50 = 0 \\ x(x - 10) - 2(x - 10) = 0 \\ (x - 2)(x - 10) = 0 \\ x = 2 \: and \: x = 10$

3 0

2 years ago