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jagger68
05.11.2019 •
Mathematics
Evaluate: a - ab a=2 and b=-3
try to show work
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Ответ:
8
Step-by-step explanation:
A=2
b= -3
a-axb
= 2-2x-3
= 8
Ответ:
CL.1.142):
A):
x5 ==> 4 boxes = 3ft < x5
20 boxes = ? ft
20 boxes is 15 ft. high
B): x3 ===> 4 boxes = 3ft. < x3
? boxes = 9ft.
12 boxes will fit in one stack.
c): CL.143
Perimeter = 15 + 29 + 9 + 11 + 6 + 18 > 88m
A1 = b * h
(18)(15)
270m^2
A2 = b * h
(11)(9)
99
Total Area > 270 + 99 > 369m^2
CL.1-144
1/4 + 1/4 + 1/5 = 5/20 + 5/20 + 4/20 > 14/20
1/4 * 5/5 > 5/20
1/5 * 4/4 > 4/20
14/20 + ?/20 = 20/20
? = 6 Missing Section
6/20 > 3/10
CL-1.145
A): 40/100 = 4/10 > 2/5
0.4 > 40%
B): 1/6 > .00000
0.16 (Repeating 6) > 16.6%
C): 37.5/100 = 375/1000 > 3/8
0.375 > 37.5%
CL-1.146
ADD: 1/6 + 1/2 show all steps:
1/6 + 1/2
1/6 + 3/6
1 + 3 / 6
4/6 > 2/3 > Decimal: > 0.666667
Hope that helps : )