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STALIN [3.7K]
3 years ago
10

How do I do this problem

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
3 0
You have to add AB and for BC you have to add it then you get your answer
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PLZ ANSWER 75 POINTS FAST!!!!!!!!!!!!!!!!
Contact [7]

Answer:

6 inches

Step-by-step explanation:

The volume of a triangular pyramid can be found using

v=1/3bh

where b is the area of the base, and h is the height

We know the volume is 12, so let's find the area of the base

The area of a triangle can be found using:

a=bh/2

We know the base is 4, and the the height is 3, so we can substitute them in

a=4*3/2

a=12/2

a=6

Now, we can solve for the height

v=1/3bh

Substitute 12 in for v, and 6 in for b

12=1/3(6h)

Multiply both sides by 3

3*12=1/3(6h)*3

36=6h

Divide both sides by 6

h=6

The height is 6 inches

5 0
2 years ago
Read 2 more answers
−2x=x^2 minus 6, <br> Rewrite the equation by completing the square. please answer
Paul [167]

Answer:

(x+1)^{2} -5

Step-by-step explanation:

-2x=x^{2} -6 \\x^{2} +2x-6\\(\frac{b}{2}) ^{2} =(\frac{2}{2}) ^{2} =1^{2} =1\\so, (x^{2} +2x+1)-6+1\\ x^{2} +2x+1=(x+1)^{2} \\-6+1=5\\(x+1)^{2} -5

Sorry it took so long

4 0
2 years ago
The ratio of the interior angle measures of a triangle is 2:3:5. What are the angle measures?
romanna [79]

Answer:

36:54:90

Step-by-step explanation:

you add all the parts together (2+3+5) which is 10. then you divide 180 by 10 because angles in triangle add up to 180. so 18 is one part

then you just times 18 by each part in the ratio

3 0
2 years ago
Find the slope of this line
Yanka [14]

Answer:

Undefined (DNE)

Step-by-step explanation:

Any vertical line has an undefined slope.

8 0
1 year ago
Can someone please help me and ill mark you as brainlest
Vitek1552 [10]

9514 1404 393

Answer:

  F.  30·tan(52°)

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you of the relationship between the opposite and adjacent sides in a right triangle.

  Tan = Opposite/Adjacent

  tan(52°) = BD/DL

  BD = DL·tan(52°)

The boat-to-dock distance is ...

  30·tan(52°) . . . . matches F

6 0
3 years ago
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