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Mumz [18]
3 years ago
7

.

Mathematics
2 answers:
soldi70 [24.7K]3 years ago
7 0
The answer is 80% i’m pretty sure
siniylev [52]3 years ago
6 0
The answer is a: 80%
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How do you use distributive property on an equasion like -2 (-6x+ 3y - 1 )
aksik [14]

Step-by-step explanation:

so to distribute you have to times -2 by -6x, -2 by 3y, and -2 by -1.

I hope you know that negative times a negative equals positive. (-) x (-) = +

The answer will then be 12x - 6y + 2.

Pls, let me know if that helps. ;)

8 0
2 years ago
I need help with this proof, the given and prove are at the top. Plzzzz help
Goshia [24]

Answer:  The proof is mentioned below.

Step-by-step explanation:

Here, Given : m∠AOC = 160°  m∠AOD= (3x-10)° and  m∠ DOC= (x+14)°

Prove: x= 39°

      Statement                                              Reason

1. m∠AOC = 160°, m∠AOD= (3x-10)°    1.  Given

and m∠ DOC= (x+14)°    

2. m∠AOD+m∠DOC=m∠AOC         2. Because OD divides ∠AOC

                                                              into ∠AOD and ∠DOC

3. (3x-10)° +(x+14)°= 160°                     3. By substitution

4.  4x+4 = 160°                                    4. By equating like terms

5. 4x= 156°                                          5. By subtraction property

                                                             of equality

6. x= 39°                                              6. By division property of equality


7 0
3 years ago
Find the total surface area of the cone in the figure. ( use rr=3.14.)
nikitadnepr [17]

Answer:

Answer D

Step-by-step explanation:

The formula is A = pi r(r+\sqrt{h^2+r^2}). We have our r (radius) and h (height), so plugging it all in would give us A = (3.14)(5 + sqrt(12^2)+(5^2). After computing this, you would get answer D, 282.6.

4 0
3 years ago
Which of the following best describes perpendicular lines?
WARRIOR [948]
I think that your answer would be B) lines that meet at a 90 degree angle. These lines must intersect, and they have slopes that are opposite reciprocals when compared to each other.
8 0
3 years ago
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Determine the value of x<br> 2.12 units<br> 2.02 units<br> 12.38 units<br> 0.49 units
Olin [163]
I believe the answer is 2.02
8 0
3 years ago
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