Answer:
1.) 6
2.) -1
3.) 36
4.) 1/3
5.) 90
Step-by-step explanation:
1.) -12/a
-12/a -> -12/2
=6
2.) a+ (-b)
a+(-b) -> 2+(-3)
=-1
3.) 3a (12-2b)
3a(12-2b) -> 3(2) (12-2x3)
6(12-6)
6(6)
=36
4.) 2a-c/b
2a-c/b -> 2(2)-5/3
4-5/3
=1/3
5.) 3abc
3abc-> 3x2x3x5
=90
Answer:
501/200
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The standard deviation, generally denoted by
, is the square root of the variance v.
So the formula is :
thus, for v=14,400 we have
Answer: 120
Answer:
Step-by-step explanation:
y = -2x + 5
x = -4 ; y = -2*-4 +5 = 8+5 = 13
x = -3; y = -2*-3 + 5 = 6+5 =11
x = -2; y = -2*-2 + 5 = 4+5 = 9
x= -1; y = -2*-1 + 5 = 2+5 = 7
x = 0; y= -2*0 + 5 = 0+5 = 5
x= 1; y = -2*1 + 5 = -2 +5 = 3
x= 2; y = -2*2 + 5 = -4+5 =1
x=3; y= -2*3 + 5 = -6+5 = -1
x = 4; y = -2*4 + 5= -8 + 5 = -3
Answer: -2
Explanation:
-8 + (0+2+4)
-8 + 6
-2