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Kobotan [32]
2 years ago
12

Find the horizontal distance! helppp

Mathematics
1 answer:
lbvjy [14]2 years ago
4 0
Horizontal distance is 47 inches
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9
Gwar [14]

Answer:

It is A and I am positive its A

Step-by-step explanation:

6 0
3 years ago
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
4 0
3 years ago
I need to know the expression for the verbal phrase :
nika2105 [10]

15 ÷ 2 . X =

There's the expression

5 0
3 years ago
Serena wants to create snack bags for a trip she is going on. She has 6 granola bars and 10 pieces of dried fruit. If the snack
MakcuM [25]

Answer:none

j0Step-by-step explanation:

5 0
3 years ago
Please Help me<br> This is due ASAP!
77julia77 [94]

Answer:

20 nickels

23 dimes

Step-by-step explanation:

hope this helps!

7 0
2 years ago
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