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Gelneren [198K]
3 years ago
7

How many vertices does an octagon have?

Mathematics
2 answers:
g100num [7]3 years ago
8 0
It have 12 vertices i think
Cloud [144]3 years ago
4 0
They  have 18 vertices

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Forty is no greater than the difference of a number and 2
nikklg [1K]
40≤n-2 is the formula
8 0
3 years ago
Two times the sum of a number and 4 equals 30
tino4ka555 [31]

Answer: 11

Step-by-step explanation: write the equation.

2(x+4)=30

Divide by 2

x+4=15

Subtract 4

x=11

3 0
3 years ago
Write the equation of the line that is perpendicular to the line y = 2x + 2 and passes through the point (6, 3).
harina [27]

The equation of line is:

y=-\frac{1}{2}x+6

Further explanation:

Given

y = 2x + 2

Comparing it with standard form:

y=mx+b

Let m1 be the slope of given line

m_1=2

We know that product of slopes of two perpendicular lines is -1

Let m2 be the slope of second line

m_1.m_2=-1\\2*m_2= -1\\m_2 = -\frac{1}{2}

Putting the value of m2 in standard form

y=-\frac{1}{2}x+b

To find the value of b, putting (6,3) in equation

3=-\frac{1}{2}(6)+b\\3=-3+b\\3+3=b\\b=6

Putting the values of b and m, we get

y=-\frac{1}{2}x+6

The equation of line is:

y=-\frac{1}{2}x+6

Keywords: Slope, Point-slope form

Learn more about slope at:

  • brainly.com/question/2688526
  • brainly.com/question/2920401

#learnwithBrainly

4 0
3 years ago
Read 2 more answers
HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
yaroslaw [1]
-3p and 13p are like terms.
Hope this helps!!
4 0
3 years ago
Read 2 more answers
Help please as soon as possible, thank you very much if you do help
MAXImum [283]
AB + BC= 88
3x+ 5 + 2x+8 =88
solve for x
x= 15
8 0
3 years ago
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