Answer:
10.51 units
Step-by-step explanation:
Circumference of a circle is given by
C=2πr
Where r is radius and C is the circumference.
Substituting 3.14 for π, 65.98 for C then
65.98=2*3.14*r
Making r the subject of the formula then
r=65.98÷(2*3.14)=10.506369426751
Rounding off, r=10.51 units ( nearest hundredths)
Answer:
5x-4y = -32
Step-by-step explanation:
First write the equation in point slope form
y-y1 = m(x-x1)
y - -2 = 5/4 ( x- -8)
y+2 = 5/4 (x+8)
Multiply each side by 4 to clear the fraction
4( y+2 )= 4*5/4 (x+8)
4y +8 = 5(x+8)
4y+8 = 5x+40
Subtract 4y from each side
8 = 5x-4y +40
Subtract 40 from each side
-32 = 5x-4y
5x-4y = -32
From the options presented, only figure number 2 or the one that looks like a cross has a rotation symmetry.
<h3>What is rotation symetry?</h3>
This type of symmetry implies that when a figure is rotated it matches its original shape. An example of this is the circle.
<h3>Which figures have rotation symmetry?</h3>
From the options presented, only the cross has this symetry because its side are equal and this means you can rotate it and it will look the same.
Learn more about symmetry in: brainly.com/question/1531736
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Answer:
58.3333333333
Step-by-step explanation:
Xi = Xi-1 * 30
So X12 = X1 * 30^11
Which is huge, should be A
