Answer: 2.4
Step-by-step explanation:
a²+b²=c²
3.9+b²=6.3
-3.9 -3.9
_________
b=2.4
check it:
3.9+2.4=6.3
there you go
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Answer:
156.8
Step-by-step explanation:
You can break up this hexagon into 6 triangles of size
7.8 (the base) and 6.7 (the height)
Thus, you can find the area of 1 and multiply it by 6 to get the answer of 156.78 and to round it is 156.8
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Answer: 0.00309533635
Step-by-step explanation:
15 divided by 4,846 = 0.00309533635
Answer:
Step-by-step explanation:
ntroduction. Percent, p%
'Percent (%)' means 'out of one hundred':
p% = p 'out of one hundred',
p% is read p 'percent',
p% = p/100 = p ÷ 100
80% = 80/100 = 80 ÷ 100 = 0.8
100% = 100/100 = 100 ÷ 100 = 1
Percentage of 80% of what number = 40?
80% of what number = 40 is equivalent to:
80% × ? = 40
80% × ? = 40
? =
40 ÷ 80% =
40 ÷ (80 ÷ 100) =
(100 × 40) ÷ 80 =
4,000 ÷ 80 =
50
Angle 6 is 30 degrees and angle 8 is 53 degrees