(8/13+4/13)+(-6+8) < first one
(8/13+4/13)+(-6+8) and then you add the terms
Answer:
b. 106 sq.cm
Step-by-step explanation:
A=L×W
A1= 2(5×8) = 2(40) = 80
A2= 2(1×8) = 2(8) = 16
A3= 2(5×1) = 2(5) = 10
Total area = 80 + 16 +10 = 106 sq. cm
Answer:
(a) -3.708
(b) 1.706
(c) 0.490
Step-by-step explanation:
The z-score of normal distribution is given as:

(a)
Given:
Score is, 
Mean value is, 
Standard deviation is, 
z-score is, 
(b)
Given:
Score is, 
Mean value is, 
Standard deviation is, 
z-score is, 
(c)
Given:
Score is, 
Mean value is, 
Standard deviation is, 
z-score is, 
Answer: the last pos term is 3
Details:
213
207
201
195
189
183
177
171
165
159
153
147
141
135
129
123
117
111
105
99
93
87
81
75
69
63
57
51
45
39
33
27
21
15
9
3
-3
Answer:
~ -4x+4y+10
Explanation:
~ We have to collect like terms such as all the x’s, y and the normal numbers.
~ Then add like terms together: x-5x, 4y plus nothing, 3+7
~ After adding them, you should get -4x+4y+10.