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3 years ago

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A zoo has a circular pool for its seals. The diameter of the pool is 32 feet. Formulas Hide calculator ⇐Clear789/456*123-0.=+ Se

lect the best answer How much fence is needed to enclose the pool?

1 answer:

sveta [45]3 years ago

8 0

9.85 square feet. 32/2=16 16*3.14^2=9.85

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Explain why it is helpful to know the basic function shapes and discuss some ways to remember them.

postnew [5]

<h3>Explain why it is helpful to know the basic function shapes and discuss some ways to remember them. </h3>

Knowing the basic function shapes and discuss some ways to remember them is helpful because this is useful tools in the creation of mathematical models because we constantly make theories about the relationships between variables in nature and society. Functions in school mathematics are typically defined by an algebraic expression and have numerical inputs and outputs.

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1 year ago

A circular tablecloth has a diameter of 70 inches. Max wants to add a decorative fabric around the edge of the tablecloth.Approx

JulijaS [17]

Answer:

219.8

Step-by-step explanation:

you multiply 70 and 3.14 and get 219.8

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1 year ago

Triangle Q R S is shown with exterior angles. Line R Q extends through point D. Line Q R extends through point E. Line Q S exten

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Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

Find the number of elements in A1 ∪A2 ∪A3 if there are 100 elements in A1, 1000 in A2, and 10,000 in A3 if a) A1 ⊆ A2 and A2 ⊆ A

Stella [2.4K]

Answer:

Step-by-step explanation:

Given that there are 3 sets such that there are 100 elements in A1, 1000 in A2, and 10,000 in A3

a) If A1 ⊆ A2 and A2 ⊆ A3

then union will contain the same number of elements as that of A3

i.e. $n(A1 ∪A2 ∪A3)=n(A3) =10000$

b) If the sets are pairwise disjoint.

union will contain the sum of elements of each set

$n(A1 ∪A2 ∪A3) = 100+1000+10000=11100$

c) If there are two elements common to each pair of sets and one element in all three sets

We subtract common elements pairwise and add common element in 3

i.e. $n(A1 ∪A2 ∪A3) = 100+1000+10000-2-2-2+1\\= 10995$

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2 years ago

What is the quotient of −1 and y

Tom [10]

Answer:

-1/y

Step-by-step explanation:

This quotient is the result when you divide y into -1: -1/y

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2 years ago