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sleet_krkn [62]
3 years ago
11

WILL MAKE THE BRAINLIEST!

Mathematics
1 answer:
mojhsa [17]3 years ago
7 0

Answer:

A. (x,y) → (x-5,y-3)

Step-by-step explanation:

That's the answer

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M A. 59<br> B. 31<br> C. 149<br> D. 62
lbvjy [14]
I think The answer is a.59
4 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
At a toll booth, an attendant found that for every 5 vehicles that passed through the toll, 2 were trucks.
kompoz [17]

Answer:

Step-by-step explanation:

5-2=3

other vehicles:Trucks::3:2

3 0
3 years ago
Apply the distributive property and then combine like terms to write an equivalent expression
Norma-Jean [14]

x + 7(x + 1)

7x + 7

x + 7x + 7

8x + 7

x + 7(x + 1) = 8x + 7

8x + 7

3 0
3 years ago
How do you calculate the volume of a cone when given the height and diameter?
Umnica [9.8K]
That will be radius * radius theeeeeen multiply it on the height 
7 0
3 years ago
Read 2 more answers
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