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2 years ago

Must explain HOW you got the answer to, so I can understand it PLEASEEEE HELP

Mathematics

1 answer:

alina1380 [7]2 years ago

8 0

Answer:

Ethan

Step-by-step explanation:

Get a common denominator and then subtract Ethan from the whole.

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Given that the mass of an average linebacker at Ursinus College is 250 lbs and the radius of a pea is 0.50 cm, calculate the num

Brilliant_brown [7]

Answer:

1.544*10⁹ Linebackers would be required in order to obtain the same density as an alpha particle

Step-by-step explanation:

Assuming that the pea is spherical ( with radius R= 0.5 cm= 0.005 m), then its volume is

V= 4/3π*R³ = 4/3π*R³ = 4/3*π*(0.005 m)³ = 5.236*10⁻⁷ m³

the mass in that volume would be m= N*L (L= mass of linebackers=250Lbs= 113.398 Kg)

The density of an alpha particle is ρa= 3.345*10¹⁷ kg/m³ and the density in the pea ρ will be

ρ= m/V

since both should be equal ρ=ρa , then

ρa= m/V =N*L/V → N =ρa*V/L

replacing values

N =ρa*V/L = 3.345*10¹⁷ kg/m³ * 5.236*10⁻⁷ m³ /113.398 Kg = 1.544*10⁹ Linebackers

N=1.544*10⁹ Linebackers

7 0

3 years ago

Between what two consecutive integers does √35 lie?

SSSSS [86.1K]

the answer is b. I'm pretty sure at least because the square root it roughly 5.91 and that's between 5 and 6.

3 0

2 years ago

Read 2 more answers

First person to answer with an explanation get Brianliest

slavikrds [6]

Hope this helps if so please brainliest :)

and also sorry for the wait

Step-by-step explanation:

I believe B

Because on the x axis it reaches 600 on eight and the last number that was recorded was 450 so 600-450=150

5 0

3 years ago

Read 2 more answers

BRAINLIEST iF correct

mezya [45]

Answer:

See below.

Step-by-step explanation:

There are 28 things in the jar, of which 7 are watermelon.

You pick one at random, the chance it is NOT watermelon would be 21/28.

This is equal to 75% and 3/4

4 0

3 years ago

Read 2 more answers

The scale of a model train is 1 inch to 13.5 ft. One of the cars of the model train is 5inches long. What is the length in feet

aleksklad [387]

Answer:

The length of the actual train's car is 67.5 feet.

Step-by-step explanation:

Given:

The scale of a model train is 1 inch to 13.5 ft.

Now, to get the length of the actual car of the train.

Let the length of actual train's car be $x.$

And, the length of the car of model train = $5\ inches\ long.$

According to the scale of the model train, 1 inch is equivalent to 13.5 ft.

Thus, 5 inches is equivalent to $x.$

Now, to get the length of actual train's car using cross multiplication method:

$\frac{1}{13.5} =\frac{5}{x}$

By cross multiplying we get:

$x=67.5\ feet.$

Therefore, the length of the actual train's car is 67.5 feet.

7 0

3 years ago