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Tatiana [17]
3 years ago
6

Generally what do the elements in a group have in common with each other?

Mathematics
1 answer:
Tatiana [17]3 years ago
6 0

They have the same number of valence electrons which, in general, gives them similar oxidation numbers and other similar chemical and physical properties. The similarities are most pronounced in the groups at either side of the standard periodic table, and are least pronounced for the transition and rare earth elements.

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What is the greatest whole number that is less than ( 5\2)^3 divided by (3\4)^2
12345 [234]
First work out (5/2)³ by cubing both the numerator and denominator to give: 125/8

then work out (3/4)² by squaring both the numerator and denominator to give: 9/16 

then divide 125/8 by 9/16
using the stay-change-flip method of division:
the first term stays the same, the divide becomes multiply and the second fraction is flipped upside down.
so:
125/8 x 16/9 =2000/72
then just divide 2000 by 72 to give: 27.78 to 2 d.p
therefore the greatest whole number than 27.78 is 27.
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3 years ago
The original price of a tortoise is
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$77 since 110 x 0.3 = 33. Then minus this value from 110, then the answer is $77
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Please help me ASAP!!!<br> WILL MARK BRAINLIEEST TO WHOEVER IS RIGHT
konstantin123 [22]

Answer:

The answer is 5 x 2 x 3 x 2 x 2

Step-by-step explanation:

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3 years ago
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Look at the theater on First Ave, between Alder and Birch. If the corners of the theater are all right angles, is the theater a
insens350 [35]

Answer:

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3 years ago
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Steven estimates how long his computer repairs will take. He discovers that ABC Tech and Tech Squad will charge the
katrin2010 [14]

You didn't include the costs of doing repairs at both computer repair firms. I fixed that for you.

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Steven's estimate of the repair time is 2 hours.

Step-by-step explanation:

Now in this case, we were told that ABC Tech normally charges $20 service charge and $15 per hour of computer repair service. The second tech firm charges $30 service charge and $10 per hour for computer repair service. We are now simply required to find out or calculate the number of hours of computer repair service whereby the cost of doing repairs at both tech firms become equal.

Let us use "x" to represent that unknown number of hours. The equation needed to calculate this is:

20 + 15x = 30 + 10x

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15x - 10x = 30 - 20

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Therefore the number of hours of computer repair service whereby the cost of doing repairs at both tech firms become equal is 2 hours.

8 0
3 years ago
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