Answer:
9
Step-by-step explanation:
10+ -7
3
3 = 9/3
9
Step-by-step explanation:
the area of the half-circle:
πr² /2= 3.14* 20² /2= 3.14 * 400 /2 =1256/2=628cm²
50*80/2=2000cm²
Shaded area:
2000-628=1372cm²
3x/10= 1290
Mutiply by 10 for both sides
3x/10*10= 1290*10
Cross out 10 and 10 , divide by 10 and then becomes 3x
3x=12900
divide by 3 for both sides
3x/3= 12900/3
Cross out 3 and 3 , divide by 3 and then becomes x
x= 4300
Answer: x= 4300
Answer:
f(x) = 4 · 4^x , f(x) = 4 · 2^x+2 , f(x) = 1/4 · 2^x+6
Step-by-step explanation:
Substitude x with a number.
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