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2 years ago

Please help me please please

Mathematics

2 answers:

Harman [31]2 years ago

8 0

Answer:

I think but l sure answer is A

olchik [2.2K]2 years ago

5 0

Answer:

I am pretty sure the answer is A

Step-by-step explanation:

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2 years ago

What is 4/9 closest to 0,1/2 or 1

topjm [15]

Answer:

1/2

Step-by-step explanation:

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Natali5045456 [20]

Answer:

False

Step-by-step explanation:

If the conditional statement was if you have a dog then you have a pet, that would be the biconditional statement. The conditional is true but since not both parts of the biconditional are true, it is false.

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2 years ago

What choices are equivalent to the quotient below ?

pshichka [43]

OPTION A , C,D

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4 0

2 years ago

The gravitational force exerted by the planet Earth on a unit mass at a distance r from the center of the planet is:

jolli1 [7]

Answer:

Yes, F is a continuous function of r

Step-by-step explanation:

We are given that

When r<R

$F(r)=\frac{GMr}{R^3}$

$r\geq R$

$F(r)=\frac{GM}{r^2}$

Where M=Mass of the earth

R=Radius of earth

G=Gravitational constant

We have to find the function is continuous of r or not.

LHL

$\lim_{r\rightarrow R-}\frac{GMr}{R^3}=\frac{GMR}{R^3}=\frac{GM}{R^2}$

RHL

$\lim_{r\rightarrow R+}\frac{GM}{R^2}=\frac{GM}{R^2}$

$F(R)=\frac{GM}{R^2}$

When a function is continuous at x=a

Then, LHL=RHL=f(a)

RHL==LHL=F(R)

Hence, the function is continuous of r.

8 0

2 years ago