3 years ago

Multiply polynomials (4x-5)^2

1 answer:

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16x^2-40x+25 Yes I know my phone is messed up but at least you got the answer

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Delvig [45]

Answer:

The height of the building is $73.2\ ft$

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

In the right triangle ABC

$tan(38\°)=\frac{BC}{AB}$

we have

$AB=63\ ft$

substitute and solve for BC

$tan(38\°)=\frac{BC}{63}$

$BC=(63)tan(38\°)=49.2\ ft$

Find the height of the building

The height of the building (h) is equal to

$h=BC+24=49.2+24=73.2\ ft$

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Flura [38]

1/4x -2 = -6 + 5/12x
3x - 24 = -72 +5x
3x -5x = -72 +24
-2x = -48
x = 24

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denis23 [38]

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astra-53 [7]

Answer:

7 horses,and 6 chickens

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Reika [66]

Do 5 divided by 6 to get your answer

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