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butalik [34]
4 years ago
11

If x and y vary inversely, as y increase as, what happens to the value of x

Mathematics
1 answer:
Sonja [21]4 years ago
3 0

inverse proportionality between 2 variables follows this .

y = k/x

where k is proportional constant

as value of one variable increases/decreases , value of other variable decreases/increases

so

if x increases, y will decrease

if x decreases , y will increase

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In 2003 there were 1078 JC Penney stores and in 2007 there were 1067 stores.
Tamiku [17]

Answer:

a) f(s)=\frac{-11}{3}s+\frac{3245}{3} f(1)=1078 stores b) 2012, 1049 stores. 2014, 1041 stores. c) Yes it is a downsizing company.

Step-by-step explanation:

a)

s=year | f(s) = number of stores per year

1 | 1078

4| 1067

m=\frac{1067-1078}{4-1}\Rightarrow m=\frac{-11}{3}\\1078=-\frac{11}{3}*1+b\Rightarrow b=\frac{3245}{3}\\f(s)=\frac{-11}{3}s+\frac{3245}{3}

s=1 in 2003

s=1 year =2003\\ Testing\\f(1)=\frac{-11}{3}(1)+\frac{3245}{3}=\frac{3234}{3}=1078\\ f(1)=1078

b) For 2012, s=9. For 2014, s=11

\\f(s)=\frac{-11}{3}s+\frac{3245}{3}\\ \\f(9)=\frac{-11}{3}(9)+\frac{3245}{3}\cong1049\\\\f(11)=\frac{-11}{3}(11)+\frac{3245}{3}\cong=1041

c) In deed. Since the function shows a decreasing amount of JC Penney stores. Maybe this is a downsizing from this company, progressively closing some stores.

4 0
4 years ago
Which object is 3 1/2 inches loong
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Answer:

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Step-by-step explanation:

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Tristan invested $470
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7 0
3 years ago
Is 62 divisible by 9 ye
Aleksandr [31]

Answer: no

Step-by-step explanation:

No it is not evenly divided ( 6.8888)

5 0
3 years ago
Read 2 more answers
Please help someone!!!
maria [59]

Answer:

x = 25

Step-by-step explanation:

(4x) + (5 + 3x) = 180

4x + 5 + 3x = 180

7x + 5 = 180

7x = 180 - 5

7x = 175

\frac{7x}{7}  =  \frac{175}{7}

x =  \frac{175}{7}

x = 25

5 0
3 years ago
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