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Alinara [238K]
4 years ago
10

I don't get what is divisible by three

Mathematics
1 answer:
mestny [16]4 years ago
3 0
75 is divisible by 3. It equals 25.

I hope this helped!!
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the sum of the measures of the three of a angles of triangle is 180. In a triangle, the measures of three angles are x,x-5 and x
Veseljchak [2.6K]

x + x-5 + x +23 = 180

 combine like terms:

3x +18 = 180

 subtract 18 from each side:

3x = 162

divide both sides by 3

x = 162 / 3 = 54

Angle x = 54 degrees

 Angle x-5 = 54-5 = 49 degrees

Angle x +23 = 54 +23 = 77 degrees

7 0
4 years ago
How do I find the answer
boyakko [2]

Hi

The answer is <em>D. 39 degrees.  </em>The area where b is shows an acute angle. The only answer shown with an acute angle is 39. 141 and 180 are obtuse angles, and 90 is a right angle.

6 0
4 years ago
Read 2 more answers
Gabriela drew a net of a rectangular prism on
shtirl [24]

Answer:

412 squares

Step-by-step explanation:

16o

140

172

412

trust me on this

5 0
3 years ago
If sin theta equals 12 divided by 13 and theta is in quadrant 2 cos20 equals? and cos theta equals?
Anni [7]

Answers:

  • cos(2theta) = -119/169
  • cos(theta) = -5/13

=====================================================

The given info is:

  • sin(theta) = 12/13
  • theta is in quadrant II

From that, we can use the pythagorean trig identity to find that cos(theta) = -5/13. Keep in mind that cosine is negative in quadrant II.

Now use the trig identity below to compute cos(2theta)

\cos(2\theta) = \cos^2(\theta)-\sin^2(\theta)\\\\\cos(2\theta) = \left(\frac{-5}{13}\right)^2-\left(\frac{12}{13}\right)^2\\\\\cos(2\theta) = \frac{25}{169}-\frac{144}{169}\\\\\cos(2\theta) = \frac{25-144}{169}\\\\\cos(2\theta) = -\frac{119}{169}\\\\

Other options you could use are these identities

\cos(2\theta) = 2\cos^2(\theta)-1\\\\

or

\cos(2\theta) = 1-2\sin^2(\theta)\\\\

3 0
3 years ago
Rachel cut a whole banana into 6 pieces and then ate all the pieces. She put a point on a number line to show how much she ate.
qwelly [4]
1/1????????????? maybe
3 0
3 years ago
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