Choose all the expressions that are equal to 27,000 ÷ 30
1 answer:
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Real word problem ⇒ constant of proportionality
$4.16 for 4 pounds of bananas ⇒ 1.04
$16.48 for 8 pounds of potatoes ⇒ 2.06
$18.36 for 2 pizzas ⇒ 9.18
2 cups of flour to make 36 cookies ⇒ 18
<em><u>Solution:</u></em>
A proportional relationship is one in which two quantities vary directly with each other.
We say the variable y varies directly as x,
if for x ∝ y
then, x = y k
Where "k" is called constant of proportionality
<em><u>$4.16 for 4 pounds of bananas</u></em>
x = 4.16 and y = 4
Thus constant of proportionality is 1.04
<em><u>$16.48 for 8 pounds of potatoes</u></em>
x = 16.48 and y = 8
Thus constant of proportionality is 2.06
<em><u>$18.36 for 2 pizzas</u></em>
x = 18.36 and y = 2
Thus constant of proportionality is 9.18
<em><u>2 cups of flour to make 36 cookies</u></em>
x = 36 and y = 2
Thus constant of proportionality is 18
Answer:
The volume of the water in the pool is 1,017 cubic feet
Step-by-step explanation:
we know that
The volume of a cylinder is equal to
we have
----> the radius is half the diameter
Remember that
so
To find out the height of the water, subtract 0.5 feet from the height of the swimming pool
assume
Find the volume of the water