2 years ago

How do I state the excluded values for this rational expression: 60x^3/12x

Mathematics

1 answer:

Stella [2.4K]2 years ago

7 0

Answer:

5x^2

Step-by-step explanation:

12 can be taken out from the top and bottom then for the x you subtract

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Tom wants to reach a second floor window on a house that is 20 feet above ground. If he must put the ladder at a 70° angle to th

vovangra [49]

Let the ladder length be L, then

sin 70 = 20/L, L = 20/sin70 = 21.3 feet
the length of ladder is 21.3 feet

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2 years ago

Rewrite as a product of two factors: 3 + 18d + 21y

Vlada [557]

Answer:

the Expression is :

(3) × (1 + 6d + 7y)

Step-by-step explanation:

here's the solution : -

=》

$3 + 18d + 21y$

=》

$(3 \times 1 )+ (3 \times 6d) + (3 \times 7y)$

now, since 3 is common in all terms let's take it out.

=》

$3 \times (1 + 6d + 7y)$

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2 years ago

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Multiply (-8x - 9)(-9x2 + 7x - 9).

Misha Larkins [42]

= <span>(-8x - 9)(-9x2 + 7x - 9)

= 72x</span>³ - 56x² + 72x + 81x² - 63x + 81

= 72x³ + 25x² + 9x + 81

In short, Your Answer would be: Option D

Hope this helps!

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2 years ago

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What is -24 divided by 7 as a mixed number, in simplified form

elena55 [62]

-7 * 3 = -21 so the answer is

-3 3/7

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2 years ago

Find the simple interest.

forsale [732]

Answer:

$35.20

Step-by-step explanation:

S.I. = (P×R×T)/100

=(160×5.5×4) /100

= (640×55) / 100×10

= (64×55) / 100

= 3520 / 100

= $ 35.20

brainliest plz

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2 years ago