Find the product please i need it ?

Mathematics

1 answer:

Ipatiy [6.2K]3 years ago

5 0

Answer:a2=5 , a1=1 , a0=3, a5=2 , a4=5 , a3=2 , a6=0 , a10=5 , a9=3 , a8=8 , a7=2

Step-by-step explanation:

63 x 45=2835

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At a school 1/2 of the pupils walk to school.

netineya [11]

Answer:

i guess the answer is 680.

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3 years ago

A weight suspended by a spring vibrates vertically according to the function D D given by D(t)=2sin(4π(t+18)) D ( t ) = 2 sin (

STALIN [3.7K]

Answer:

21.75 cm/s

Step-by-step explanation:

1 cm above central position means D = 1, so we plug in 1 into D(t) and find the time and which this occurs.

$D(t)=2Sin (4\pi(t+18))\\1=2Sin (4\pi(t+18))\\\frac{1}{2}=Sin(4\pi t +72\pi)\\4\pi t + 72 \pi = \frac{\pi}{6}\\4\pi t = \frac{\pi}{6}-72\pi\\t=\frac{\frac{\pi}{6}-72\pi}{4\pi}$

This is the time at which this occurs.

To find instantaneous rate of change, we differentiate D(t) and plug in this t we found. Remembering that d/dt (Sin t) = Cos t

$D(t)=2Sin (4\pi(t+18))\\D(t)=2Sin(4\pi t + 72\pi)\\D'(t)=2Cos(4\pi t + 72\pi)(4\pi)$

Now putting t:

$D'(t)=2Cos(4\pi t + 72\pi)(4\pi)\\D'(\frac{\frac{\pi}{6}-72\pi}{4\pi})=2Cos(4\pi (\frac{\frac{\pi}{6}-72\pi}{4\pi}) + 72\pi)(4\pi)\\=8\pi Cos(\frac{\pi}{6})\\=21.75$

Thus, the instantaneous rate would be around 21.75 cm/s

8 0

3 years ago

Joe made 15 points in a basketball game, 3 points are given for a long shot, 2 points given for a field goal, and 1 point is giv

Vinil7 [7]

I tried to make a list and found 27 ways tell me if I missed any order is (3point,2point,1point) (0,0,15) (0,1,13) (0,2,11) (0,3,9) (0,4,7) (0,5,5) (0,6,3) (0,7,1) (1,0,12) (1,1,10) (1,2,8) (1,3,6) (1,4,4) (1,5,2) (1,6,0) (2,0,9) (2,1,7) (2,2,5) (2,3,3) (2,4,1) (3,0,6) (3,1,4) (3,2,2) (3,3,0) (4,0,3) (4,1,1) (5,0,0) 27 is my answer

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3 years ago

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Svetllana [295]

Answer:

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Step-by-step explanation:sorry lol

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