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Natasha2012 [34]
2 years ago
10

Giving brainliest. !!

Mathematics
2 answers:
LUCKY_DIMON [66]2 years ago
8 0

Answer:

um im pretty sure its E

Step-by-step explanation:

aivan3 [116]2 years ago
8 0

Answer:

You put the correct answer in, are you just giving titles away?

Step-by-step explanation:

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69) Half-way to the center of a planet of uniform density, your weight compared to that at the surface would be :
mel-nik [20]

Answer:

One- half

Step-by-step explanation:

Since the density is uniform  

Mass of the sphere = [(4/3) π r^3] d

where d is the uniform density.

Mass of the sphere = [(4/3) π d] r^3 = k r^3

where k = [(4/3) π d] is a constant  

Weight = mg = G m M / r^2 = G m [k r^3] /r^2 = G m k r

Using Gauss’ law for gravitation,

Half way to the center of a planet the weight is only due to the inner sphere and the outer sphere does not contribute to his weight,  

Inside his weight is mg’ = (G m k  r) /2   = mg/2  

Answer is one-half.

7 0
2 years ago
An initial population of 535 quail increases at an annual rate of 25%. Write an exponential function to model the quail populati
olchik [2.2K]

Answer: c

Step-by-step explanation:

5 0
3 years ago
If 75% is £45 what is the full cost
SpyIntel [72]
X × 75% = £45
x = £45 / 75%
x = £45 / 0,75
x = £60
6 0
3 years ago
What one should I choose I'm stumped ??
Karolina [17]
The second one is the best answer in my opinion i'm not sure.
8 0
3 years ago
Read 2 more answers
The Surface Area of this cylinder rounded to the nearest square
kipiarov [429]

Answer:

1728

Step-by-step explanation:

2\pir h

2\pi(11) × 14

968

B=\pi r^{2}

B=\pi11^2 =121\pi

S=2\pirh + 2\pi r^{2}

S=968 +2 x 121

S=968 +242\pi= 1728

6 0
2 years ago
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