Please help me with this problem.............
1 answer:
Answer:
14
Step-by-step explanation:
Given
- C=5x+4y
- x≤-2
- x≥-4
- y≥1
- y≤6
Here we are asked to find the maximum value of C
C is a sum of factors of x and y
As both the co-efficients of x and y are positive, we have to select the maximum values of both in their given ranges
(if any of their co-efficients was negative, the term whose co-efficient is negative is to be substituted with its least value in its range to get maximum value of C)
Therefore Maximum value of x=-2 and y=6
therefore C
Therefore maximum value of C=14
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=
=
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(ab)/(cd)=(a/c)(b/d)
and
1kg=1000g=1*10^3g
hmm, I estimate, 4 of them
x=number of attoms
mass of 1 times x=1*10^3
3.95*10^-22 times x=1*10^3
divide both sides by 3.95*10^-22
x=
a million has 9 zeroes
so 24 zeroes is alot that is a <span>septillion, so there are 2.5316 septillion uranium atoms in 1kg
a. 4
b. underestimate
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