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Inverse Variation Functions, algebra homework help
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tpnfgre
Mathematics
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Can you help me please?
Unformatted Attachment Preview
Write the inverse variation function given that y varies inversely with x, and y = 0.25 when x
= 8.
2
V=
X
V=
32
y = 8x
y = 0.25x
Question 2: 20 pts
The course fee per child of a summer camp varies inversely as the number of participating
children. If there are 50 children participating in the camp, the course fee is $372 per child.
Identify the course fee per child, if 75 children join the camp.
$250
$248
$283
$272
The pressure P exerted by a force varies inversely as the area A on which the force is
applied. If 16 N/ft2 of pressure is exerted by a force on an area of 3 ft2, what is the
pressure exerted by the same force on an area of 6 ft2?
8 N/42
16 N/ft2
32 N/ft2
4 N/ft2
Identify the data set which represents a direct variation.
X
10
20
30
Y
2
3
4
X
1
3
Сл
Y
N
4
6
3
12
15
y
4
16
20
X
20
12
6
y
6
10
15
The pressure P of a gas varies directly with the temperature T and inversely with the
volume V.A certain gas has a volume of 100 liters (L), a temperature of 400 Kelvins (K), and
a pressure of 33.2 atmospheres (atm). If the gas is expanded to a volume of 80 L and is
heated to 500 K, what will the new pressure be?
1.328 atm
51.875 atm
21.248 atm
8.3 atm
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