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Papessa [141]
3 years ago
8

How do i solve for x for #1

Mathematics
1 answer:
Musya8 [376]3 years ago
4 0
Xm = p + n......divide both sides by m
x = (p + n) / m OR x= p/m + n/m
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The population of a city in 2005 was 18,000. By 2010, the city’s population had grown to 45,000. Economists have determined that
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Answer:

120,000

Step-by-step explanation:

45000/12000=8/3

8/3*45000=120000

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What is the value of z in the equation 3z + 5 = 4z − 8?<br> hurry
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Z=13 I had a similar problem before and I've gotten it right.
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The product of 2 and the second power of y
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Step-by-step explanation:

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A rectangle with an area of 3990 cm2 is x centimeters wide and (x+4) centimeters long. To the nearest tenth of a centimeter, the
Karolina [17]

Answer: width:60.2 cm

Length: 64.2 cm

Step-by-step explanation:

Given

The area of the rectangle is 3990\ cm^2

Width of the rectangle is x\ cm

Length of the rectangle is x+4\ cm

Area of the rectangle is the product of length and width

\therefore 3990=(x+4)x\\\Rightarrow 3990=x^2+4x\\\Rightarrow x^2+4x-3990=0\\\Rightarrow x=60.198\ or\ -65.198\ cm\\\text{Neglecting negative term}\\\Rightarrow x=60.198\approx 60.2\ cm

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6 0
3 years ago
Water is being sprayed from a nozzle at the end of a garden hose of diameter 2.25 cm. If the nozzle has an opening of diameter 1
Gwar [14]

Answer:

4.67 m/s

Step-by-step explanation:

The equation of continuity for an incompressible fluid is A1v1 = A2v2 where A represents area and v is velocity of the fluid.

If we let the values with subscript 1 be those inside the hose and 2 be those at the nozzle then the question can be solved this way

A_{1} v_{1} = A_{2} v_{2} \\\\(\pi *0.01125^{2} )*v_{1} = (\pi *0.00065^{2} )*14\\\\v_{1}  = 4.67 m/s

6 0
3 years ago
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