2000 people are selected randomly from a certain population and it is found that 389 people in the sample are over 6 feet tall.
1 answer:
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Answer:
See explanation
Step-by-step explanation:
You are given the equation
1. Add 8 negative x-tiles to both sides of the equation to create a zero pair on the left side. The equation then will have form
2. Add 5 negative unit tiles to both sides of the equation to create a zero pair on the right side. The equation now is
3. Divide both sides by 3:
Answer:
Part 1) The number of cups of flour needed to make 4 pizzas is 26
Part 2) The number of pizzas Luigi can make with 13 cups of flour is 2
Step-by-step explanation:
we know that
Luigi uses 39 cups of flour for every 6 pizzas he makes
Let
y ----> the number of cups of flour used
x ---> the number of pizzas he makes
In this problem
The relationship between the variables x, and y, represent a proportional variation
we have the ordered pair (6,39)
so
Part 1) Find out the number of cups of flour needed to make 4 pizzas
using a proportion
Solve for y
Part 2) Find out the number of pizzas Luigi can make with 13 cups of flour
using a proportion
Solve for x