3 years ago

What is a LCM.

Mathematics

1 answer:

Llana [10]3 years ago

3 0

Answer:

Yes your correct

Step-by-step explanation:

Keep it up!

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4vir4ik [10]

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2 years ago

At a point on the ground 20 feet from a building, a surveyor observes the angle of inclination to the top of the building to be

Bess [88]

Answer:

34.64 ft

Step-by-step explanation:

Distance from the building = 20 ft

Angle of inclination = π/3 radians

The tangent of the angle of inclination must equal the height of the building divided by the distance of the observer from the building:

$tan( \pi/3) = \frac{h}{20} \\h = 20*1.73205\\h=34.64\ ft$

The building is 34.64 ft tall

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3 years ago

Solve for a: a(a-3) =100

marissa [1.9K]

$a(a-3) =100\\
a^2-3a-100=0\\
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\sqrt{\Delta}=\sqr{409}\\
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a_2=\dfrac{-(-3)+\sqrt{409}}{2\cdot1}=\dfrac{3+\sqrt{409}}{2}$

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3 years ago

Such that |x-a|<\varepsilon and $x-b|<\varepsilon. can $a$ be countable? can $a$ be uncountable?

Brrunno [24]

It will be uncountable

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3 years ago

Please help me with this a . 18 b . 16 c . 12 d . 9

lbvjy [14]

It would have the be B. 16

8 0

2 years ago