3 years ago

The bulldog soccer team wants to increase the size of its

Mathematics

1 answer:

kumpel [21]3 years ago

8 0

multiply 80 by 1.5

80*1.5 = 120 feet

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Let A and B be sets with cardinal numbers , n(A) = a and n(B) = b respectively . Decide whether the statement is true or false.

olya-2409 [2.1K]

Answer:

True

Step-by-step explanation:

$A\cup B=A\cup(A-B)\\\\A\ and\ A-B\ are\ disjoint\ that\ means\ there\ is\ no\ common\ element\ in\ these\ two.\\\\n(A\cup B)=n(B\cup(A-B))\\\\n(A\cup B)=n(B)+n(A-B)\ \ \ \ \ \ \ as\ for\ disjoint\ set\ P,Q\ n(P\cup Q)=n(P)+n(Q)\\\\(n(P-Q)=n(P)-n(P\cap Q))\\\\n(AUB)=n(B)+n(A-B)\\\\n(AUB)=n(B)+n(A)-n(A\cap B)\\\\n(AUB)=n(A)+n(B)-n(A\cap B)\\\\Hence\ given\ statement\ is\ true$

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3 years ago

A choir teacher is dividing 3 sopranos and 12 altos into singing groups. he wants each group to have the same combination of sop

Andreyy89

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Use the net to compute the surface area of the three-dimensional figure.

Vlada [557]

The answer is 246 units²

<span>Surface area= 2(lw + lh + wh)</span>

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