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Roman55 [17]
3 years ago
14

I would appreciate if someone can help me. At least the first 3 and 16, 18, 20

Mathematics
1 answer:
s2008m [1.1K]3 years ago
3 0
The answer to the questions.

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Hey guys please help find the area
V125BC [204]

Answer:

70.15 ft²

Step-by-step explanation:

The figure consists of two adjacent equilateral triangles (all angles are 60 degrees and all outer edges are 9 ft).

If we focus on one of these equilateral triangles, we can get the final area by multiplying the area of that one triangle by 2.

The formula for the area of a triangle is (1/2)(base)(height).  Remembering to multiply this by 2, we get

area of figure = (base)(height)

                                             √3

                       = (9 ft)(9 ft)(--------) = (81 ft²)(1.732) = 70.15 ft²

                                               2

4 0
3 years ago
Help Plz 15 Points And brainliest!!!
madam [21]

Answer:

-2

Step-by-step explanation:

Hope this was helpful

6 0
3 years ago
Read 2 more answers
Simplify -4 1/4-(-9 1/2) = ? <br><br>A. -13 1/3 <br>B. -5 1/4<br>C. 13 1/3<br>D. 5 1/4​
bagirrra123 [75]

Answer:

B

Step-by-step explanation:

Hope this helps

5 0
3 years ago
Solve the system of equations by elimination <br> 3x+4y=31<br> 2x-4y=-6
ANEK [815]
3x + 4y = 31
2x - 4y = -6

*The +4 and -4 in the center of the equation cancel out because 4-4 = 0*

3x = 31
2x = -6
------------

*add like terms*

3x + 2x = 5x

31 - 6 = 25

So now you should have this written on your paper ... > 5x = 25

*Divide by 5 on each side*

5x = 25
_      _
5      5

x = 5
5 0
3 years ago
Read 2 more answers
12 ounces is roughly the same
PSYCHO15rus [73]

Answer:

Roughly the same as what?

Step-by-step explanation:

3 0
3 years ago
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