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zhannawk [14.2K]
3 years ago
12

PLSSS HELP ME i need helppp

Mathematics
1 answer:
kozerog [31]3 years ago
3 0
Answer: 12.56



Explanation: 4x3.14


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The area of a regular hexagon is 15 cm2. What is the area of a similar hexagon with sides four times as large?
denis-greek [22]

Answer:

60 cm2

Step-by-step explanation:

15x4=60

8 0
3 years ago
Slope of line a is ½. What is the equation of a line that is parallel to line a? Y+½x=2 -2x+y+2=0 2x-2=y -½x+y-2=0
sasho [114]

Answer:

The equation of a line that is parallel to line a is y=½x + 2, or what is the same -½x+y-2=0

Step-by-step explanation:

A line is a polynomial function of the first degree that has the following form:

y = m * x + b

where m is the slope of the line and b is the intercept with the Y axis.  The slope is the inclination of the line with respect to the abscissa axis.

In this case you know that the slope of line a is ½.  

Parallel lines are two or more lines in a plane that never intersect. Two lines are parallel if they have the same slope and different y-intercepts.

You have:

  • y+½x=2       →       y= -½x +2
  • -2x+y+2=0       →       y=2x -2
  • 2x-2=y      
  • -½x+y-2=0       →       y=½x + 2

The line that has the same slope as line a is the last one, so <u><em>the equation of a line that is parallel to line a is y=½x + 2, or what is the same -½x+y-2=0</em></u>

6 0
3 years ago
(3m − 2n) and (4m − n) are the factors of ???
MariettaO [177]
That would be choice 3
middle term = -3mn-8mn = -11mn and last term = + 2n^2
8 0
3 years ago
A cone has a diameter of 12 ft and a slant height of 20 ft. Explain whether tripling both dimensions would triple the surface ar
Ratling [72]
<span>Tripling both dimensions would NOT triple the surface area.  If you triple both dimensions, then the surface area is 9 times as long as the surface area of original cone.</span>
8 0
3 years ago
Helpp please ! need to<br> show work for geometry
podryga [215]

Answer:

45 degrees

Step-by-step explanation:

AOB = 140°

and an the angle bisector(OC) is a line which will divide AOB into 2 equal angles

which is 140÷2= 70

and if AOD = 25 then COD= 70-25

= 45 degrees

hope it helps

3 0
3 years ago
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