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3 years ago

2.094 x 10^4 kg written in standard form

Mathematics

2 answers:

Fantom [35]3 years ago

7 0

Answer:

20940 x

Step-by-step explanation:

musickatia [10]3 years ago

3 0

Answer:

20940

Step-by-step explanation:

10^4 is 10000

therefore you move the decimal four places to the right (since there is four zeros) and you get 20940

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Naomi starts the engine on her small private airplane. The engine drives a propeller with a radius of 8 feet and its centerline

icang [17]

Answer:

5.13 feet

Step-by-step explanation:

Engine is driving the propeller with a radius of 8 feet and its centerline 13 feet above the ground.

And the speed is 700 revolutions per minute, the height of one propeller tip as a function of time is given by:

$h=13+8 \sin(700t)$

We have been asked to find the value of height, 'h', when t=4 minutes.

Plugging the value of time, 't', in the equation, we already know that we need to use degrees (not radians) we get:

$h=13+8 \sin (700 \times 4)$

$h=13+8 \sin (2800)$

$h=13+8 \times (-0.984)$

$h=13+(-7.872)$

$h=13-7.872$

$h=5.128\approx 5.13$

So the height of one propeller tip at t=4 minutes is 5.13 feet.

8 0

4 years ago

Consider A = (-9,4) and B (11,17). = Point P₂ partitions the segment from B to A in a 3:5 ratio. Find the coordinates of point P

Bogdan [553]

An easy way to do this is to parameterize the directed line segment from B to A by the function

$\ell_{B\to A}(t) = (1-t) B + t A = (1 - t) (11, 17) + t (-9, 4)$

with 0 ≤ t ≤ 1.

The point P₂ splits up AB so that BP₂ = 3/8 AB and AP₂ = 5/8 AB. Then we reach the point P₂ when t = 3/8, so its coordinates are

$P_2 = \ell_{B\to A}}\left(\dfrac38\right) = \dfrac58 (11,17) + \dfrac38 (-9,4) = \boxed{\left(\dfrac72, \dfrac{97}8\right)}$

3 0

2 years ago

What is the slope of (-2,13),(1,4)

Musya8 [376]

The slope is -3

work:
m= y2-y1 / x2-x1
m= 4-13 / 1 - (-2)
m= -9 / 3
m= -3

5 0

4 years ago

3( _______ ) + -2+ (-2) + (-2)=_______

svlad2 [7]

Answer:

I think the question is not right

4 0

4 years ago

Read 2 more answers

If g(x) =5-2x and H(x)=3x +1 then go (x) is

Alona [7]

Yes i agree with 5-2

3 0

2 years ago