The table shows the amount of sugar needed to make lemonade. Are the quantities proportional? Explain which method you used and how you used it to determine if they were proportionate or not. Sugar (grams)

4

6

8

10

Servings

2

3

4

5

Yes

Step-by-step explanation:

For the first sugar and servings part, 4 for sugar, 2 for servings.

The ratio for this example above it for sugars to servings it 2:1. So every 2 sugars is every 1 serving and this applies to every other of the sugars and servings in the table.

Yes there are propotional.

If you pair them up in proportions:

4/2

6/3

8/4

10/5

If you divide them all you get 2 and that means they are all proportional

81 seats

step-by-step explanation:

if you multiply 0.65 times 125 then you get 81.5 seats. well since you can't have half of a seat you have to round down and get 81 seats in the no children zones. that leave 44 seats outside of the no children zone.

< coa = 150 ( given)

as ba and bc are tangents

so oc and oa is perpendicular to cb and ab respectively because in circle normal passes through centre

so in quadrilateral oabc

< coa + < oab + < ocb + < abc = 360

150 +90+90 + < abc = 360

330 + < abc = 360

< abc = 360 -330 = 30

so < abc = 30

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