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Rashid [163]
3 years ago
9

Why must a scientist keep a complete record of an experiment?

Mathematics
1 answer:
Musya8 [376]3 years ago
3 0
Because if he don’t he wouldn’t keep track on a invention he has made
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What is the approximate area of the shaded sector in the circle shown below
jeyben [28]

Answer: B

Step-by-step explanation:

The area of a circle is pi*radius^2. But only a diameter is given, so in order to find the radius, you must divide the diameter by 2:

3.6/2 = 1.8

Now, you can plug the radius, 1.8, into the equation pi*radius^2 (\pi r^{2}):

\pi (1.8)^2 = \pi(3.24) = about 10.18

Lastly, you must divide the area 10.18 by 2 because you are looking for only half the area.

10.18/2 = 5.09

6 0
3 years ago
Solve for x.<br> Please help
Andrei [34K]

Answer:

x=3

Step-by-step explanation:

(11-3)+3x+1 = 5x+3

8+3x+1 = 5x+3

9+3x= 5x+3

6=2x

x=3

8 0
3 years ago
A band sold out 4 of its last 20 shows. What is the experimental probability that the band's
kykrilka [37]

Answer:

\frac{1}{5} probability

Step-by-step explanation:

P(Sold Out)= \frac{4}{20}

\frac{4}{20} =\frac{1}{5}

So since the experimental probability is the number of times an event occurs out of the total number of trials...

The answer to "what is the experimental probability that the band's  next show will be sold out?" Is \frac{1}{5}!!!

Hope this helped you!

Have a nice evening!

8 0
3 years ago
4x &lt; 16 or 12x &gt; 144
Leviafan [203]
4x < 16\ or\ 12x > 144\\\\x < 16:4\ or\ x > 144:12\\\\x < 4\ or\ x > 12\\\\x\in(-\infty;\ 4)\ \cup\ (12;\ \infty)
4 0
3 years ago
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. What is the volume of t
katen-ka-za [31]

Answer/Step-by-step explanation:

Volume = L*W*H

L = 10.4

W = 5

H = 8

10.4* 5 = 52

L*W = 52

52* 8 = 416

L*W*H = 416

Therefore,

ANSWER: 416

if needed in volume form 416^3

3 0
3 years ago
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