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maksim [4K]
2 years ago
7

Can you guys please help me !!!!!!!!! Thanks in advanced

Mathematics
1 answer:
ser-zykov [4K]2 years ago
3 0
The exterior angle is equal to the sum of the other 2 interior angles

so ACD=19+121=140 degrees
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which of the following temperatures is most precise? A) 45 degrees. B) 89.7 degrees. C) 80 degrees. D) 32.45 degrees
xxTIMURxx [149]
32.45 is most precise . Precise means how many points after decimal is reached. Accurate means how close your measurement of a value is that to the true value. Eg :Say 35cm is the measure of length of a body and a person got the measurement to be 34 . Another person2 got the measurement to be 32.88 . So in this case the first person has an accurate answer as he is close to the true value 35 , but person2 is more precise as he has two decimal places.
6 0
2 years ago
Write the equation of the line that passes through (-4,3) and is parallel to y = -2x - 8.
kobusy [5.1K]

Answer:

y = -2x - 5

Step-by-step explanation:

Let the equation if the line be y = mx + c

since the line is parallel to y = -2x - 8, their gradients/slope must be the same (aka m = -2)

sub (-4, 3):

3 = -2(-4) + c

c = -5

therefore, the equation of the line is y = -2x - 5

This is a question on coordinate geometry. If you wish to venture further into it/understand this topic better, you may want to follow my Instagram account (learntionary), where I post some of my own notes on certain topics and also some tips that may be useful to you :)

8 0
2 years ago
Help! Simplify (see photo) pls explain<br> If you don’t know pls don’t answer thanks
Temka [501]

Answer:

-8 \sqrt{6}

Step-by-step explanation:

4i\sqrt{-24} \\4i\sqrt{-1} *\sqrt{24} \\4i*i*\sqrt{4}*\sqrt{6}\\-4 * 2*\sqrt{6} \\-8 \sqrt{6}

.

\sqrt{-1} =i \\i*i = -1

7 0
3 years ago
How can factors help you find a common denominater? <br>PLEASE HELP!!!!!!!!!
Gekata [30.6K]
They can help you find a common denominator by the bottoms of each fraction if the top ones don't have the same denominator.
8 0
3 years ago
Antonio rented a bike from Alberto's Bikes. It cost $11 plus $4 per hour. If Antonio paid
Nina [5.8K]

Answer:

5 hours

Step-by-step explanation:

31-11 = 20

20/4 = 5

6 0
2 years ago
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