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Xelga [282]
3 years ago
8

9) A building's basement is 12 feet below ground. If the total length of the building from basement to roof is 62 feet, what is

the building's elevation above ground? A) 38 feet B) 50 feet C) 62 feet D) 74 feet
Mathematics
1 answer:
lions [1.4K]3 years ago
4 0
62-12=50 B is the correct answer.
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In the diagram, GB = 2x + 3..
zaharov [31]

<u>Answer-</u>

\boxed{\boxed{GB=15\ units}}

<u>Solution-</u>

From the attachment,

AD = AE, so FA is a median.

BD = BF, so BE is a median.

CF = CE, so DC is a median.

And G is the centroid.

From the properties of centroid, we know that

The centroid divides each median in a ratio of 2:1

So,

\Rightarrow FG:AG=2:1

\Rightarrow \dfrac{FG}{AG}=\dfrac{2}{1}

\Rightarrow FG=2\times AG

\Rightarrow 5x=2\times (x+9)

\Rightarrow 5x=2x+18

\Rightarrow 3x=18

\Rightarrow x=6

So, GB will be 2(6)+3=15 units

5 0
3 years ago
Read 2 more answers
Factor completely: 2x3 + 6x2 + 10x + 30
qwelly [4]
The complete factor from:

2x3 + 6x2 + 10x + 30
2x(x+3) + 10(x+3)
(x+3)(2x+10)
2(x+5)(x+3)

hope this help
3 0
3 years ago
Read 2 more answers
Someone please help!
Kay [80]

Answer:

I think the answer would be the 9 pack.

Step-by-step explanation:

Think, if you divide each of the packs by their price the 9 pack is cheaper for one roll.

7 0
3 years ago
Fill in the blanks to show the steps in solving the inequality -2x + 12&lt;-4
professor190 [17]
-2x + 12 < - 4......subtract 12 from both sides
-2x + 12 - 12 < -4 - 12....simplify
-2x < -16...divide both sides by -2, changing the inequality sign
(-2/-2)x > -16/-2....simplify
x > 8
8 0
3 years ago
What is 5 2/3 as a improper fraction
leva [86]

You would write it as 17/3 because you times 3 by 5 and get 15 and then you add the 2 to get 17 and you leave the 3 underneath the 17 so you final answer is 17/3 and that is a improper fraction

4 0
3 years ago
Read 2 more answers
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