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timurjin [86]
3 years ago
15

A scale on a map shows that 2 inches = 25 miles

Mathematics
1 answer:
ycow [4]3 years ago
4 0
4.4 inches because once you add 2 and 2 you 50 then add ten and you get 60
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9 dollars for 3 cans of tuna *
Klio2033 [76]

Answer:

3 dollars for each can of tuna

Step-by-step explanation:

9-3=6

6-3=3

3-3=0

3 0
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Please help me calculate this I am in y 5
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Which of the following statements shows the distributive property?
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6 0
3 years ago
A farmer has 1,200 feet of fencing and wants to fence off a rectangular field that borders a straight river. He needs no fence a
iVinArrow [24]
Yay, derivitives
I'mma ignore that x is the shorter side because I don't know which one has to be shorter yet


we need to find the max area
but with 3 sides

area=LW
let's say the sides are z and y
zy=area

and the relatiionship between them is
hmm,
z+2y=1200
because one side has no fencing
so
z+2y=1200
solve for z
z=1200-2y
sub for z in other

(1200-2y)(y)=area
expand
1200y-2y²=area
take derivitive
1200-4y=dy/dx area
max is where dy/dx goes from positive to negative
solve for where dy/dx=0
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at y<300, dy/dx<0
at y>300, dy/dx>0
so at y=300, that is the max

then
z=1200-2y
z=1200-2(300)
z=1200-600
z=600

so then
z=600
y=300
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so the shorter side would be y

so then we see our choices and noticed that
erm
I think it is f(x)=1200x-2x²
takind the derivitive yeilds none of the others


so ya, you are right
6 0
3 years ago
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Please help, I don't know what this is, thank you
Marianna [84]

Answer:

Step-by-step explanation:

3 0
3 years ago
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