Answer:
2.51
Step-by-step explanation:
Remove the decimal from 8.25 and 20.75.
20.75 inside the house 8.25 out side
then divide
Answer:
a 1/10 10%
Step-by-step explanation:
Answer:
D.
Step-by-step explanation:
Since both the triangles as kept separately are similar, so we'll take proptionality of their sides to find one side
MP/ML=MN/MK
20/28=35/MK
CROSS MULTIPLYING
20×MK=28×35
MK=980/20
MK=49
I believe the answer should be B. Because of the standard circle equation.
Answer and Step-by-step explanation:
Let x and y be two positive integers and their sum is 14:
X + y = 14
And the sum of square of this number is:
f = x2 + y2
= x2+ (14 – x)2
Differentiate with respect to x, we get:
F’(x) = [ x2 + (14 – x)2]’ = 0
2x + 2(14-x)(-1) = 0
2x +( 28 – 2x)(-1) = 0
2x – 28 +2x = 0
2x + 2x = 28
4x = 28
X = 7
Hence, y = 14 – x = 14 -7 = 7
Now taking second derivative test:
F”(x) > 0
For x = y = 7,f reaches its maximum value:
(7)2 + (7)2 = 49 + 49
= 98
F at endpoints x Є [ 0, 14]
F(0) = 02 + (14 – 0)2
= 196
F(14) = (14)2 + (14 – 14)2
= 196
Hence the sum of squares of these numbers is minimum when x = y = 7
And maximum when numbers are 0 and 14.
