Please help with the question below

1 answer:

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Paul [167]

X = - 4

2(-4-8) = -4 + 5(-4)

4 0

3 years ago

Ghella [55]

Area of a circle=π*r^2
rate of change in area dA/dt=2*r*π
at r=6 miles
dA/dt=2*2π=4π

hope i am right :)

6 0

3 years ago

Irina-Kira [14]

Answer:

30 minutes

Step-by-step explanation:

7 0

3 years ago

tensa zangetsu [6.8K]

Answer:

x=3

Step-by-step explanation:

$\frac{x}{9} =\frac{8}{21+x}$

x²+21x-72=0

(x-3)(x+24)=0

x=3 or x=-24(rejected)

∴x=3

6 0

3 years ago

Scilla [17]

180-70=110 so with the remaining 110 divide by 10 to get x=11

6 0

3 years ago