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Mathematics

1 answer:

Ratling [72]1 year ago

5 0

Answer:

for the plug-in settings to determine

Step-by-step explanation:

GG from Shahs of sunset Blvd suite is the best way to the answer to the answer to the answer to the plug-in the plug-in the whole thing is I don't have a email the e I m not sure if you have any questions or concerns please visit the plug-in settings to determine

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Suppose that y varies inversely with x. Use the information to find k, and then choose the equation of variation. X=2 when y=2

Vlad1618 [11]

Answer:

see explanation

Step-by-step explanation:

Given that y varies inversely as x then the equation relating them is

y = $\frac{k}{x}$ ← k is the constant of variation

To find k use the condition

x = 2 when y = 2

k = yx = 2 × 2 = 4, hence

y = $\frac{4}{x}$ ← equation of variation

7 0

3 years ago

The admission fee at a small is $1.50 for children and $4.00 for adults. On a certain day, 2200 people enter the fair and $5050

Finger [1]

$x-\ amount\ of\ children\\
y-\ amount\ of\ adults\\\\
 \left \{ {{x+y=2200\ \ |*(-4)} \atop {1,5x+4y=5050}} \right.\\\\ \left \{ {{-4x-4y=-8800} \atop {1,5x+4y=5050}} \right.\\\\ +-------\\
-2,5x=-3750\ \ |Divide\ by\ -2,5\\
x=1500\\
y=2200-1500\\
y=700\\\\There\ were\ 1500\ children\ and\ 700\ adults.$