Answer: 4.51 cm
Step-by-step explanation:o Area of circle=pi×r^2
Given area=64 cm sq.
so, 64=3.14×r^2
64/3.14= r^2
20.38= r^2
√20.38=r
4.51=r
Therefore, radius= 4.51 cm
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All terms have an x in them, so you factor that out first to get
Now the 2nd degree equation will be of the form (3x- ... y)(x- ... y) and by just trying you find that the ... is just 1. So the factorization is:
Answer:
See below.
Step-by-step explanation:
m∠A + m∠B = m∠B + m∠C
Use the subtraction property of equality to subtract m<B from both sides of the equation.
m∠A + m∠B - m<B = m∠B - m<B + m∠C
m∠A = m∠C
Answer:
33
Step-by-step explanation:
rearrange and combine like terms
(3x - 9) + x + (x + 28) = 184
3x - 9 + x + x + 28 = 184
3x + x + x + 28 - 9 = 184
3x + x + x = 184 + 9 - 28
5x = 165
x = 33
