$3 {x}^{2} + 12x = 15 \\ 3 ({x}^{2} + 4x) = 15 \\ {x}^{2} + 4x = 5 \\ {x}^{2} + 4x = 5 \\ {x}^{2} + 4x + 4 = 5 + 4 \\ {x}^{2} + 4x + 4 = 9 \\ {x}^{2} + 4x + {2}^{2} = {3}^{2} \\ \red{ \bold{ (x + 2)^{2} = {3}^{2}}} \\$

3 0

2 years ago

An aquarium is a cylinder with a diameter of 203 feet and a height of 25 feet. What is the volume of the aquarium

lilavasa [31]

Volume formula for a cylinder is pi*r^2*h

h=height=25 feet

r=radius=101.5

Radius is half of the diameter.

Plug those numbers in: pi*101.5^2*25= 809136.822886= 8.09*10^5 hopefully this helps! ^-^

7 0

2 years ago

What is the median of this data set? Shield Darter 1 2 3 4 5 6 7 2 3 4 5 6 7 8 9 10 Number of Shield Darter + AE niminler

MatroZZZ [7]

Answer:

Step-by-step explanation:

The median is the middle number

There are 15 data points

15/2 = 7.5

The middle number is the 8th number

The median is 4

3 0

1 year ago

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