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In-s [12.5K]
3 years ago
15

A delivery person uses a service elevator to bring boxes of books up to an office. The delivery person weighs 150 lb and each bo

x of books weighs 60 lb. Th
maximum capacity of the elevator is 1640 lb. How many boxes of books can the delivery person bring up at one time?
Mathematics
1 answer:
horrorfan [7]3 years ago
4 0

Answer:

he can bring 12 books

Step-by-step explanation:

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Use f(x) = 1 2 x and f -1(x) = 2x to solve the problems.
AVprozaik [17]

Answer:

The answer to your question is below

Step-by-step explanation:

Functions

  f(x) = 12x           f⁻¹(x) = 2x

a)   f⁻¹(-2) = 2(-2)

     f⁻¹(-2) = -4

b) f(-4) = 12x

    f(-4) = 12(-4)

    f(-4) = -48

c) f(f⁻¹(-2)) =

   f(f⁻¹(x)) = 12(2x) = 24x

  f(f⁻¹(-2)) = 24(-2) = -48            

I think your functions are wrong they must be       f(x) = 1/2x    f⁻¹(x) = 2x        

a)  f⁻¹(-2) = 2(-2)

             = -4

b) f(-4) = 1/2(-4)

         = -2

c) f(f⁻¹(x)) = 1/2(2x)

              = x

  f(f⁻¹(-2)) = -2

4 0
4 years ago
Y is inversely proportional to x, when Y = 2, x = 4.
irina [24]

Answer:

Constant of proportionality is y divided by x.  y is 2 and x is 4.  2 divided by 4 is 1/2.

Let me know if that is correct.

Step-by-step explanation:

6 0
3 years ago
A man walked 6 km per hour how far does he work between 9:30 a.m. and 12 p.m.​
kolbaska11 [484]

Answer:

15 km

Step-by-step explanation:

9:30 to 12:00 = 2.5 hours

2.5 x 6 = 15

8 0
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The ratio of cats to dogs is 15 to 10 there are 10 dogs.
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The answers are A, B, C, F

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