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Dmitry_Shevchenko [17]
2 years ago
9

I'd Point A is located at (9,2) on a coordinate plane and point B is located at (-9,10), what is the distance between the two po

ints?
Mathematics
1 answer:
Fiesta28 [93]2 years ago
4 0
Draw the triangle and then use Pythagoras' theorem

distance = \sqrt{18 ^{2} +8 ^{2}   }
              = 19.70 (2dp) 
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How to put 412.638 in expanded form using decimals
sergeinik [125]

The <em>correct answer</em> is:


400 + 10 + 2 + 0.6 + 0.03 + 0.008.


Explanation:


To write a number in expanded form, we use place values.


4 is in the hundreds place; this makes its value 400.

1 is in the tens place; this makes its value 10.

2 is in the ones place; this makes its value 2.

6 is in the tenths place; this makes its value 0.6.

3 is in the hundredths place; this makes its value 0.03.

8 is in the thousandths place; this makes its value 0.008.


To write this together, we find the sum:

400 + 10 + 2 + 0.6 + 0.03 + 0.008.

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3 years ago
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grin007 [14]

Answer:

Isosceles, obtuse triangle

Step-by-step explanation:

The triangle is isosceles since there are equal acute-angles which therefore prove two equal sides.

The triangle is obtuse because it consists of one obtuse angle which is 98 and is greater than 90 degrees.

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2 years ago
The answer to a word problem should always include which of the following
irina1246 [14]

Answer:

D. variables

Step-by-step explanation:

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3 years ago
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Find the measure of an interior and an exterior angle of a regular 46-gon
trapecia [35]
For any polygon, the formula of the interior angle is 180 - 360/n where n is the number of sides of the polygon. The exterior angle is the supplementary angle of the interior angle. Hence when n is equal to 46, then interior angle is equal to 172.17 degrees and the exterior is equal to 7.83 degrees. 
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Write an equation in slope intercept form of the line that passes through the point (-5, -1) with slope -3.
Neporo4naja [7]

Answer:

y= -3x-16

Step-by-step explanation:

slope intercept form is written as y=mx+b.  m is the slope, and b is the y-intercept.  -3=m

we know that (-5,-1) is 5 points away from the origin, and that the slope is -3, so 5 times -3 equals -15.  subtract 15 from -1 (y-coordinate) in order to get the y-intercept (when x=0).  

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