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3 years ago

HELP!! Can anyone answer this?

Mathematics

1 answer:

olya-2409 [2.1K]3 years ago

5 0

I think that it is d

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Can someone help please~~!?

stepladder [879]

12x + 12 + 15 + 3x + 18 = 180
15x + 45 = 180
15x = 180 - 45
15x = 135
x = 135/15
x = 9

m < A = 12x + 12 = 12(9) + 12 = 108 + 12 = 120....A is 120
m < C = 3x + 18 = 3(9) + 18 = 27 + 18 = 45....C is 45

5 0

3 years ago

The volume of a cube is 8cm3, find the length of one of it's sides

Angelina_Jolie [31]

Answer:

The side length is 2 cm

Step-by-step explanation:

The volume of a cube is s^3

V = s^3

8 = s^3

Take the cube root of each side

8 ^ 1/3 = s^3 ^ 1/3

2 = s

The side length is 2 cm

7 0

3 years ago

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Arthur tells you that he is thinking of an irrational number between 4 and 5, and he wants you to guess what it is. One possibil

Naddika [18.5K]

Answer:

$\sqrt{20}$

Step-by-step explanation:

Square root of 9 is 3

20 is 4.472135955

27 is 5.19615242271

4.5 is intantly wrong because it is rational.

3 0

3 years ago

Which of the following is the slope of the line passing through the

julia-pushkina [17]

Answer:

I think the slope is UNDEFINED

y²-y¹/x²-x¹

(-5)-(16)/(-12)-(-12)

-21/0

=Undefined

6 0

2 years ago

I need to find the Missing angle of this equilateral triangle

Marysya12 [62]

Answer:

X...................

5 0

3 years ago

Read 2 more answers