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damaskus [11]
3 years ago
15

After deciding what the variables of an experiment are, a scientist should write out a __________, which is a step-by-step list

of directions for performng the experiment, including the instruments to be used and how to use them.
A) procedure
B) hypothesis
C) conclusion
SAT
1 answer:
valina [46]3 years ago
7 0

Answer: A Procedure because he needs to know what steps he needs to performing his experiment.

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About how many people had viewed the video once it had been online for 20 days? 190 858 6,271 86,460
aev [14]

About  6,271 people had viewed the video once it had been online for 20 days. The correct option is C.

<h3>What is exponential equation?</h3>

Exponential equation is the equation in which the exponent or part of exponents used as variables.

fx = 33 \times (1.3)^x

where, x is the number of days, given that x = 20

Putting the values in the equation

f\times 20 = 33 \times (1.3)^2^0 = 6,271 \;days

Thus, the correct option is C, 6,271.

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4 0
1 year ago
A typical neutron star has a mass of about 1. 5msun and a radius of 10 kilometers
Triss [41]

How thick a layer would Earth form as it wraps around the neutron star’s surface is: 6.67 10⁻³ m.

<h3>Density of the Neutron star</h3>

Density

ρ = m / V

Where:

ρ= density

m = mass of the planet 5.98 10²⁴ km

V =volume of the spherical layer

Volume of a sphere

Volume = 4/3 π r³

Mass = 1.5 = 1.5 1,991 10³⁰

Mass= 2.99 10³⁰ kg

Density:

ρ = 2.99 10³⁰ / [4/3 π (10 10³)³]

ρ is = 7.13 10 17 kg / m³

V = 5.98 10²⁴ / 7.13 10¹⁷

V = 8,387 10⁶ m³

Thickness of the layer

V = 4π r² e

e = V / 4π r

e = 8,387 10⁶ / [4π (10 10³)²]

e = 6.67 10⁻³ m

Inconclusion how thick a layer would Earth form as it wraps around the neutron star’s surface is: 6.67 10⁻³ m.

Learn more about Density of the Neutron star here:brainly.com/question/15700804

3 0
1 year ago
If countries A and B produce only either rubber bands or paper clips, their maximum outputs are shown in the accompanying produc
katovenus [111]

In Country A, the opportunity cost of one paper clip is 1/2. Option C

<h3>What is opportunity cost?</h3>

The opportunity cost refers to the alternative forgone in production. It means that it is the option that is chosen in the midst of other possibilities.

We can see from the table that in Country A, the opportunity cost of one paper clip is 1/2.

Learn more about opportunity cost: brainly.com/question/13036997

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Missing parts

If countries A and B produce only either rubber bands or paper clips, their maximum outputs are shown in the accompanying production possibilities schedules.

In country A the opportunity cost of 1 paper clip is

A.2 rubber bands.

B.1 rubber band

C.1/2 rubber band.

D.1/4 rubber band.

8 0
2 years ago
Which part of your body is affected by poor ergonomics??
saveliy_v [14]
Pain in the fingers, wrists, or other parts of the body:  may include a dull aching pain,  a sharp stabbing pain, or even a burning sensation
5 0
3 years ago
What is the average of the following numbers? 2, 5, 8, 1.
tensa zangetsu [6.8K]
2+5+8+1=16
16/4=4
4 is the average (mean)
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2 years ago
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