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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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If 843 units cost $16,421.40 to produce, how much does each unit cost to produce to the nearest cent?
Alex_Xolod [135]
<span>It costs 19.48, because $16,421.40 / 843 comes out to 19.479, and 19.479 rounds to 19.48. So the answer is B $19.48</span>
8 0
3 years ago
What is equivalent to 8/9 divided by 3/4
Pavel [41]

Answer:

Dividing by a fraction is the same as multiplying with the opposite of the fraction. 8/9 / 3/4=8/9×4/3=32/27=1 5/27.

Step-by-step explanation:

3 0
3 years ago
A triangle has an area of 54 square inches the height of the triangle is 12 inches what is the length of the base of the triangl
prohojiy [21]

Answer:

<em>The base of the triangle = 9inches</em>

Step-by-step explanation:

<u>Explanation</u>:-

The area of the triangle = \frac{1}{2} bh square units

Given area of the triangle(A) = 54 square inches

Given the height of the triangle (h) = 12 inches

now  equating     \frac{1}{2}  b h = 54

                          \frac{1}{2}  b (12)  = 54

now simplification, we get

                           6 b = 54

Dividing '6' on both sides, we get

                             b = 9

The base of the triangle = 9 inches

<u>Conclusion</u>:-

<em>The base of the triangle = 9 inches</em>

6 0
3 years ago
Audrey drew a model to determine how many eighths are in 5.
____ [38]

Answer:

there are 40 eighths in 5

Step-by-step explanation:

40/8 (the fraction)

40÷8=5

is that what the question is asking?

8 0
3 years ago
Read 2 more answers
What is the simplified form of expression<br> -4xy/3x
DiKsa [7]

Answer:

(-4/3)y

Step-by-step explanation:

The x cancels out, leaving:

-4y/3 or (-4/3)y

7 0
3 years ago
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