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Bas_tet [7]
3 years ago
5

Help. it's multiple choice. idk what it is​

Mathematics
1 answer:
kykrilka [37]3 years ago
8 0

Answer:

Barium, Strontium and Beryllium

Explanation:

There are 18 groups in the periodic table and the previous 3 all belong to the same group, group 2 the alkali metals

Silicon is group 14, the carbon group

Aluminum is in the boron group, group 13

Osminium is in the  group 8 transition metals

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What does 256 to the power of 0 equal too?
morpeh [17]

Answer:

1

Step-by-step explanation:

Anything to the power of 0 is 1

Hope I helped :)

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8 0
4 years ago
Help me please <br> It would mean the world
solniwko [45]

The answer is A. If they buy 16 masks and 12 noses then that is 28.

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4 years ago
Supplementary angles: look at the attachment to see the question
Zina [86]

Answer:

x = 21

Step-by-step explanation:

21 x 3 = 63 and 63 + 67 = 130 and sense there across from eachother this is correct because vertical angles are always the same measure.

Hope this helps!

4 0
3 years ago
URGENT
Ivan

This is a question of proportions:

First we can work out how many feet it goes up for each feet he steps back:

5.5/6 ft per each feet he steps back.

Now we can multiply this by the amount of ft back the cliff is:

(5.5/6)*30 = 27.5 ft

Thus the cliff is 27.5 ft tall,

Hope this helps :)

3 0
3 years ago
NEED NOW PLEASE..........
Arada [10]

Answer: C. -12 - 3 + 9

Step-by-step explanation:

-12 because the fish are 12 m <em>below</em> the ocean.

-3 because the fish swim <em>down</em>.

+9 because the fish swim <em>up</em>.

8 0
3 years ago
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