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Thepotemich [5.8K]
3 years ago
10

Can you guys help me out step by step easy and quick

Mathematics
1 answer:
elixir [45]3 years ago
6 0
Answer: Angle ACE = 80 degree

Explanation:
DCE = DCA + ACE = 180 degree
180 = 100 + ACE
180-100 = ACE
80 = ACE
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Find the circumference of a circle that has a radius of 21 inches.<br><br> How do you do this
Charra [1.4K]

Answer:

it is 27

Step-by-step explanation:

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2 years ago
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makkiz [27]

Mistake in Line 2 : Was in the determining the values for a ,b,c

Mistake in Line 4 : Not taking the square roots of both sides.

Step-by-step explanation:

{a}^{2}  +  {b}^{2}  =  {c}^{2}

First Mistake : Line 2

a = x \\ b = 6 \\ c = 10

Second Mistake : Line 4

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Correct Solution :

{x}^{2}  +  {6}^{2}  =  {10}^{2}  \\  {x}^{2}  =  {10}^{2}  -  {6}^{2}  \\  {x}^{2}  = 100 - 36 \\

{x}^{2}  = 64 \\  \sqrt{ {x}^{2} }  =  \sqrt{64}  \\ x = 6

3 0
2 years ago
Find the value of x for which the lines a and b are parallel.
siniylev [52]

Answer:

x = 19

Step-by-step explanation:

148 and 7x+15 are alternate interior angles and alternate interior angles are equal when the lines are parallel

148 = 7x+15

Subtract 15 from each side

148-15 = 7x+15-15

133 =7x

Divide each side by 7

133/7 =7x/7

19=x

4 0
3 years ago
Read 2 more answers
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3 years ago
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