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Answers
Step-by-step explanation:
both means which both
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Step-by-step explanation:
11)Given fractions are 2/3;5/6;7/12;9/8
LCM of the denominators 3,6,12,8 =24
2/3=(2/3)×(8/8)=16/24
5/6=(5/6)×(4/4)=20/24
7/12=(7/12)×(2/2)=14/24
9/8=(9/8)×(3/3)=27/24
among all 14/24 is the smallest that is 7/12
7/12 is the smallest fraction
12)Let the number=a
=>-10=x-(-10)
=>= -10=x+10
=>x=-10-10
=>x=-20
The number=-20
13)The cost of 2 dozens of packs of biscuits=Rs. 250
=>Cost of 24 packs=250
=>Cost of 1 pack =250/24
=>Cost of 1 pack of biscuits=10.41
14)(-x)²+4²=x²+16
15)a/x+b/x²+c/x³
=>(ax²+bx+c)/x³
16)AC is Parallel to DE
BD is a transversal
LCBD+LEDB=180°
(interior angles on the same side to the transversal are supplementary)
=>50°+LEDB=180°
=>LEDB=180°-50°
=>LEDB=130°
17) Perimeter of the Shaded part=4×Side
=>4×0.11=0.44m
18)
The ratio of shares of A,B,C,D=5:2:4:3
Let they be
Share of A=5x
Share of B=2x
Share of C=4x
Share of D=3x
Share of C=1000+Share of D
=>4x=1000+3x
=>4x-3x=1000
=>x=1000
Share of B=2x=2(1000)=2000