Can someone please help me and write the answer out and use demos

Mathematics

1 answer:

Elden [556K]2 years ago

6 0

Answer:

I think that's right not 100% but hope it helps? xx

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1/9(8 1/3(21x-51y)1x-108y+2x^2)

Ann [662]

Answer:

569/ 9 x^2−153xy−12y

Step-by-step explanation:

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3 years ago

What does the simple interest stand for? Interest = Principal x Rate x Time Interest = Per unit x Rate x Time Interest = Price x

ValentinkaMS [17]

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Answer:

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Step-by-step explanation:

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I = Prt

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2 years ago

Triangle A B C is shown. Angle A C B is a right angle. The length of the hypotenuse is 20.

kherson [118]

Answer:

The length of BC is needed because it is the side opposite ∠A.

Step-by-step explanation:

Given the right angles triangle as shown in the attachment, we can get sin(A) without using Pythagoras theorem. Instead we will use SOH CAH TOA trigonometry identity.

According to SOH:

Sin(A) = Opposite/Hypotenuse

Sin(A) = |BC|/|AB|

Opposite side of the triangle is the side facing ∠A.

Based on the formula, we will need to get the opposite side of the triangle which is length BC for us to be able to determine sinA since the hypotenuse is given.