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Svetach [21]
3 years ago
15

there are 146 students taking buses to the museum.if each bus holds 24 students,how many buses will they need?

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
7 0
146/24=6.08333 buses are needed.
But this 0.08333 means that there are 2 students left as a remainder. The first 6 busses are full, and 2 students are remaining outside. We cant leave them there! So we need another bus, which gives a total of 7 buses
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Ashley started the year with 45 comic books. Each month , she adds 5 more comic books to her collection. Which table correctly r
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Ashley starts with 45 comics. 

So in the first box: 
x  = 0, y = 45
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Each month, she adds 5 comic books to her collection

x (+1), y (+5) (for each month).

First month. 

x = 0
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Second month

x = 1
y = 45 (+5) = 50

Third month

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etc.

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B) is your best choice, as for every month add (+1), the comic books increase by 5 respectively.

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hope this helps

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Answer:

x  =  2  cm

y  = 2  cm

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Step-by-step explanation: See Annex

The right isosceles triangle has two 45° angles and the right angle.

tan 45°  =  1  =  x / 4 - y        or     x  =  4  -  y     y  =  4  -  x

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Area of the rectangle as a function of x

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Tacking derivatives on both sides of the equation:

A´(x)  =  4 - 2*x             A´(x)  =  0            4   -  2*x  =  0

2*x  =  4

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And  y  =  4  - 2  =  2  cm

The rectangle of maximum area result to be a square of side 2 cm

A(max)  = 2*2  =  4 cm²

To find out if A(x) has a maximum in the point  x  =  2

We get the second derivative

A´´(x)  =  -2           A´´(x)  <  0   then A(x) has a maximum at  x = 2

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