3 years ago

Please help me with this Math question.

Mathematics

1 answer:

Marta_Voda [28]3 years ago

6 0

Answer:

33 is definitely the correct answer

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Answer:

750 square feet

Step-by-step explanation:

The area of a triangle is 1/2bh

Now, we can plug our values in.

1/2(100)(15)

Simplify

50(15)

750

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3 years ago

HELP I WIL GIVE BRAINLIEST!

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Step-by-step explanation:

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Moya picked 3 dozen apples she wents to share her apes in equal groups. show how many different way can she do this

omeli [17]

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3 years ago

Read 2 more answers

Evaluate each of the following. (a) P(11,5) (b) C(11,5) (a) P(11,5) = (Simplify your answer.) (b) C(11,5) = (Simplify your answe

Hunter-Best [27]

<h2>Answer:</h2>

(a) P(11,5)= 55440

(b) C(11,5)=462

<h2>Step-by-step explanation:</h2>

We know that the permutation is the number of ways of arranging r items out of a total of n items and is given by:

$P(n,r)=\dfrac{n!}{(n-r)!}$

and the combination is the number of ways of choosing r items out of a total of n items and is given by:

$C(n,r)=\dfrac{n!}{r!\times (n-r)!}$

(a)

P(11,5)

$P(11,5)=\dfrac{11!}{(11-5)!}\\\\P(11,5)=\dfrac{11!}{6!}\\\\P(11,5)=\dfrac{11\times 10\times 9\times 8\times 7\times 6!}{6!}\\\\P(11,5)=11\times 10\times 9\times 8\times 7\\\\P(11,5)=55440$

(b)

C(11,5)

$C(11,5)=\dfrac{11!}{5!\times (11-5)!}\\\\C(11,5)=\dfrac{11!}{5!\times 6!}\\\\C(11,5)=\dfrac{11\times 10\times 9\times 8\times 7\times 6!}{5\times 4\times 3\times 2\times 1\times 6!}\\\\C(11,5)=462$

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3 years ago

Ms. Salgado needs to have her car repaired but does not want to spend more than $375 for the repairs. The mechanic says that the

elixir [45]

Answer:

The mechanic will need to finish in 4 hours.

Step-by-step explanation:

100+40=140

40+40=80

40+40=80

140 +80 + 80+ 40= 340

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3 years ago