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marishachu [46]
3 years ago
15

Give at least examples where an object has multiple motions. ​

Mathematics
1 answer:
borishaifa [10]3 years ago
5 0
Our heart,Cars, Jets in pools
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172.5 inches cubed

Step-by-step explanation:

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2xsquared + 19x -6 = 180
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Step-by-step explanation:

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The altitude of a triangle is increasing at a rate of 1 cm/ min while the area of the triangle is increasing at a rate of 2 cm2
serg [7]
Ya, calculus and related rates, such fun!




everything is changing with respect to t

altitude rate will be dh/dt and that is 1cm/min
dh/dt=1cm/min

area will be da/dt which is increasing at 2cm²/min
da/dt=2cm²/min

base=db/dt

alright

area=1/2bh
take dervitivie of both sides
da/dt=1/2((db/dt)(h)+(dh/dt)(b))
solve for db/dt
distribute
da/dt=1/2(db/dt)(h)+1/2(dh/dt)(b)
move
da/dt-1/2(dh/dt)(b)=1/2(db/dt)(h)
times 2 both sides
2da/dt-(dh/dt)(b)=(db/dt)(h)
divide by h
(2da/dt-(dh/dt)(b))/h=db/dt

ok
we know
height=10
area=100
so
a=1/2bh
100=1/2b10
100=5b
20=b

so
h=10
b=20
da/dt=2cm²/min
dh/dt=1cm/min

therefor
(2(2cm²/min)-(1cm/min)(20cm))/10cm=db/dt
(4cm²/min-20cm²/min)/10cm=db/dt
(-16cm²/min)/10cm=db/dt
-1.6cm/min=db/dt

the base is decreasing at 1.6cm/min
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3 years ago
(x + 3)2 + (y – 1)2 = 9
snow_tiger [21]

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do yr work lazey

Step-by-step expl

you will find this very intersting

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3 years ago
I provided it in the picture, please help!
Goshia [24]
The answer would be D.
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