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2 years ago

A chef uses a circular pan with a 24-inch diameter to make a pizza. What is the area of pizza

Mathematics

1 answer:

RUDIKE [14]2 years ago

4 0

Answer:

The area of a pizza made in that circular pan is 452.39 inches²

Step-by-step explanation:

1. Let's review the information provided to us to answer the question correctly:

Diameter of the circular pan = 24 inches

Radius of the circular pan = 24/2 = 12 inches

2. What is the area of the pizza?

Let's use the formula of the area of a circle, this way:

Area = π * r²

Substituting with the real values, we have:

Area = 3.1416 * 12²

Area = 452.39 inches²

The area of a pizza made in that circular pan is 452.39 inches²

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2 years ago

At a bake sale, as student spent $11.00 buying 3 brownies and 5 cookies. His friend spent $3.95 buying 1 brownie and 2 cookies.

riadik2000 [5.3K]

Answer:

$ $$2.25$

Step-by-step explanation:

Let $b =$ the cost of one brownie, $c =$ cost of one cookie

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Times $3$ on both sides on the second equation above to get the following:

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$3b+6c - (3b+5c) = 11.85-11$

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To find the value of $b$ , use substitution:

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$b = 3.95-2c$

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3 years ago