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UkoKoshka [18]
3 years ago
5

What is the C of a circle that has a radius of 4.5

Mathematics
1 answer:
Jlenok [28]3 years ago
5 0

Step-by-step explanation:

C = 2\pi \: r \\ = 2 \times 3.14 \times 4.5 \\  = 3.14 \times 9 \\  =28.26 \: units

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Identify the factor terms by grouping: 5x3 – 4x2 + 20x – 16
Elanso [62]
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 (1): "x2"   was replaced by   "x^2".  1 more similar replacement(s).
Step by step solution :Step  1  :Equation at the end of step  1  :  (((5 • (x3)) -  22x2) -  20x) +  16  = 0  Step  2  :Equation at the end of step  2  :  ((5x3 -  22x2) -  20x) +  16  = 0 Step  3  :Checking for a perfect cube : 3.1    5x3-4x2-20x+16  is not a perfect cube 
Trying to factor by pulling out : 3.2      Factoring:  5x3-4x2-20x+16 
Thoughtfully split the expression at hand into groups, each group having two terms :
Group 1:  5x3+16 Group 2:  -4x2-20x 
Pull out from each group separately :
Group 1:   (5x3+16) • (1)Group 2:   (x+5) • (-4x)


I hope it helps
8 0
3 years ago
Read 2 more answers
∆DEF≈~ STU. If TU-=8, SU = 10, and ST= 4, what is the length of -DE-?
Morgarella [4.7K]

Answer:

if that statement is true, then DE=ST, and ST=4 so your answer should be <u>DE=4</u>

Explanation:

you can tell that they are even from looking at the first statement, it states <u>DE</u>F=<u>ST</u>U, emphasizing on the DE=ST part, it gives your the answer right there because ST=4

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Step-by-step explanation:

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Answer:

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<2 and <3 are same side interior angles

<3 and <4 are vertical angles

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