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Scilla [17]
3 years ago
5

The polynomial below is a perfect square trinomial of the form A^2-2AB+B^2 4x^2-20x+25

Mathematics
2 answers:
Y_Kistochka [10]3 years ago
4 0

Answer:

true

Step-by-step explanation:

finlep [7]3 years ago
3 0
4x^2 -20x +25 = (2x-5)^2 

hope this will help you 
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Mancini's Pizzeria sells four types of pizza crust. Last week, the owner tracked the number sold of each type, and this is what
Anvisha [2.4K]

Question:

Mancini's Pizzeria sells four types of pizza crust. Last week, the owner tracked the number sold of each type, and this is what he found.

Type of Crust Number Sold

Thin crust          312

Thick crust          245

Stuffed crust          179

Pan style                  304

Based on this information, of the next  4500 pizzas he sells, how many should he expect to be thick crust? Round your answer to the nearest whole number. Do not round any intermediate calculations.

Answer:

1060 thick crusts

Step-by-step explanation:

Given

The above table

Required

Expected number of thick crust for the next 4500

For last week data, calculate the proportion of thick crust sold

\hat p = \frac{Thick\ crust}{Total}

\hat p = \frac{245}{312+245+179+304}

\hat p = \frac{245}{1040}

\hat p = 0.235577

For the next 4500;

n = 4500

The expected number of thick crust is (E(x)):

E(x) = \hat p * n

E(x) = 0.235577 * 4500

E(x) = 1060.0965

E(x) \approx 1060

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3 years ago
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Answer:

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3 years ago
Is the following statement true or false:
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<span>True, Every diameter is a chord

but not every chord is a diameter 

hope this helped :)</span>
6 0
4 years ago
Read 2 more answers
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