3 years ago

Can someone please help me:)

Mathematics

1 answer:

Zarrin [17]3 years ago

6 0

Answer:

I don't know what you are saying and please zoom it I can't understand.

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A right triangle has a hypotenuse of length 9 inches. If one angle is 35 degrees, find the length of each leg.

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90 + 35 = 125.
180 -125 = 55 degrees.

4.59^2 + 6.55^2 = 8^2
21.1 + 42.9= 64 inches

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3 years ago

What does 9(3j-6) equal?

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9(3j-6) = 27j - 54

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William had $500 in his bank account. He purchased textbooks for $285. He wants to spend the remaining amount of money on meals.

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3 years ago

LCM of x2+5x+6 and x2-x-6 is ………………………

sergejj [24]

Answer:

$(x^2 - 9)(x + 2)$

Step-by-step explanation:

Given:

$x^2 + 5x + 6$

$x^2 - x - 6$

Required:

LCM of the polynomials

SOLUTION:

Step 1: Factorise each polynomial

$x^2 + 5x + 6$

$x^2 + 3x + 2x + 6$

$(x^2 + 3x) + (2x + 6)$

$x(x + 3) + 2(x + 3)$

$(x + 2)(x + 3)$

$x^2 - x - 6$

$x^2 - 3x +2x - 6$

$x(x - 3) + 2(x - 3)$

$(x + 2)(x - 3)$

Step 2: find the product of each factor that is common in both polynomials.

We have the following,

$x^2 + 5x + 6 = (x + 2)(x + 3)$

$x^2 - x - 6 = (x + 2)(x - 3)$

The common factors would be: =>

$(x + 2)$ (this is common in both polynomials, so we would take just one of them as a factor.

$(x + 3)$ and,

$(x - 3)$

Their product = $(x - 3)(x + 3)(x +2) = (x^2 - 9)(x + 2)$

4 0

3 years ago