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Allushta [10]
3 years ago
15

Please help me please please

Mathematics
1 answer:
Mumz [18]3 years ago
8 0

Answer:

x - 4 = 0

Step-by-step explanation:

Slope is undefined

So, slope m = 1/0

Line is passing through the point (4, 8)

Equation of line:

y -  y_{1} = m(x - x_{1} ) \\  \\ (y -  8 )=  \frac{1}{0} (x - 4) \\  \\ (y -  8 ) \times 0=  (x - 4) \\  \\ 0 = x - 4 \\  \\ x - 4 = 0 \:  \\ is \: the \: required \: equation \:  \\ line.

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Answer:

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6 0
3 years ago
Read 2 more answers
erica is making necklaces and bracelets to se at the craft show. it takes her 3 hours to make a necklace and 2 hours to make a b
bagirrra123 [75]

Answer:

Erica should make at least 10 necklaces and 15 bracelets to maximize her profit of P  =  (18 x + 15 y)

Step-by-step explanation:

Let the number of necklaces made =  x

Let the number of bracelets made by Erica  = y

Now, the time taken to make each necklace = 3 hrs

⇒The time taken to make x necklaces = x  times 3 hours  = 3x

Also, the time taken to make each bracelet = 2 hrs

⇒The time taken to make y necklaces = y  times 2 hours  = 2y

So, total time taken to make x necklace and y bracelets =  3x + 2y

Now selling cost of 1 necklace = $18

Also, selling cost of 1 bracelet = $15

So, total selling price of x necklace and y bracelets =  18 x + 15 y

So according to the question:

x + y =  25 ..... (1)

3x + 2y = 60  ....  (2)

Solving the above system  substitute y =  25- x in (1)

we get: 3x + 2y = 60 ⇒  3x + 2(25 -x) = 60

or, x = 10

⇒ y = 25 - x  =  25 - 10 = 15, or y = 15

So, she should make at least 10 necklaces and 15 bracelets to maximize her profit of P  =  (18 x + 15 y)

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3 years ago
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