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Yanka [14]
3 years ago
9

Whats a real world problem for 30x =48+22x

Mathematics
1 answer:
Tamiku [17]3 years ago
6 0

Diving company A charges $30 per hour for diving lessons. Diving company B charges only $22 per hour but they need a $48 down payment. At how many hours would the price for company A be equal to company B?
30x=48+22x
30x-22x=48
8x=48
x=6

Hope this helps!

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a gardenner is designing a new garden in the shape of a trapezoing she wants the short base to be twice the height and loger bas
taurus [48]

Answer:

Height = 5 ft

Short base = 10 ft

Long base = 14 ft

Step-by-step explanation:

Let h = height, a = short base, b = long base.

From the question,

a = 2h

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The area of the trapezoid is given by \frac{1}{2}(a+b)h. Thus,

60 = \frac{1}{2}(2h + 2h + 4)h

60 = \frac{(4h  + 4)h }{2}

60 = \frac{4h(h  + 1)}{2}

60 = 2h(h  + 1)

30 = h(h  + 1)

0 = h^2  + h - 30

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h-5 = 0 or h+6 = 0

h= 5 or h = -6

We discard the negative value of h since it is a measurement and cannot be negative.

h= 5

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6 0
3 years ago
Which expression is equivalent to 5g+9+8g+4?
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Read 2 more answers
Explain why the graph of the equation g(x)=-(x+1)^2-3 would be a parabola opening downward.
otez555 [7]

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Combine like terms

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The value of a = -2 and this value is LESS THAN 0

6 0
4 years ago
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