Answer:
a ≈ 14 or 6
Step-by-step explanation:
264 = π × a × (20 - a)
a(20 - a) = ≈ 84 (rounded off to nearest whole number)
Opening the brackets we get;
a² - 20a + 84 = 0
Applying the quadratic formula we get:
a ≈ 14 or 6
Paul, colin and brian are waiters.One night the restaurant earns tips totalling £78.40.
1 answer:
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Answer:
<
<
< 2.5
Step-by-step explanation:
Given the following numbers, , let's express each as whole or decimal numbers, to find out the least to the greatest.
≈ 2.2
2.5 (already in decimal form)
≈ 1.7
From the least to the greatest, we have:
<
<
< 2.5