Question- Which day was the weather most accurate?
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Let 
be the amount of the 30% alloy and 
the amount of the 60% alloy the metalworker will use. However much is used, the final alloy will have a mass of
kilograms. For each kg of the 30% alloy used, 0.3 kg is copper; similary, each kg of the 60% alloy contributes 0.6 kg, so that
Now,
Answer:
1)38.5
2)39
Step-by-step explanation:
median: put the numbers smallest to biggest the cross out the number from both sides one by one until you get to the middle if there are two numbers in the middle the add them and divide it by 2
mean: add them all up and then divide by how many numbers there are in total
Answer:
First, let's write the general transformations:
a) A vertical stretch by a factor of 3.
f(x) ---> 3*f(x)
b) A reflection in the y-axis.
3*f(x) ----> 3*f(-x)
c) A translation of 2 units to the left.
3*f(-x) ----> 3*f(-x + 2)
then we know that:
g(x) = 3*f(-x + 2)
and f(x) = x^2 - x + 1
Then:
g(x) = 3*( (-x + 2)^2 - (-x + 2) + 1)
g(x) = 3*( x^2 - 4*x + 4 +x - 2 + 1) = 3*(x^2 - 3*x + 3)
g(x) = 3*x^2 - 9*x - 9
Answer:
15,625
Step-by-step explanation:
5×5×5×5×5×5 = 15,625
