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baherus [9]
2 years ago
9

What is the answer to this equation 3-3x6+2=?

Mathematics
1 answer:
Afina-wow [57]2 years ago
8 0
3x6 = 18
3 - 18 = -15
-15 + 2 = -13
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What is the volume of a cylinder, in cubic centimeters, with a height of 8 centimeters
Arisa [49]

Answer:

1608.5 cm³

Step-by-step explanation:

Use the cylinder volume formula, V = \pir²h

If the diameter is 16 cm, then the radius is 8 cm.

Plug in the radius and height into the formula, and solve:

V = \pir²h

V = \pi(8)²(8)

V = \pi(64)(8)

V = 1608.5

So, to the nearest tenth, the volume of the cylinder is 1608.5 cm³

6 0
2 years ago
Consider the equation ay'' + by' + cy = d, where a, b, c, and d are constants. (a) find all equilibrium, or constant, solutions
Orlov [11]
Rewrite equation so that it is homogeneous . 
ay'' +by' + cy = 0

Solve characteristic equation:
ar^2 +br + c = 0 \\ \\ r = \frac{(-b) \pm \sqrt{b^2 -4ac}}{2a} 

The solutions to the homogeneous equation are:
y = k_1 e^{r_1 t} + k_2 e^{r_2 t}

Finally you need the constant term in "cy" to equal 'd' to satisfy the particular solution.
y= k_1 e^{r_1 t} + k_2 e^{r_2 t} + \frac{d}{c}
4 0
3 years ago
Consider the parabola whose equation is y=x^2-4x and the line whose equation is y=2x+b, where b is some unknown constant
Vikki [24]

Answer:

Step-by-step explanation:

Is there a question somewhere in there?

6 0
3 years ago
POSSIBLE POINTS 10
Olin [163]
94.2 in would be your answer
5 0
3 years ago
Quadratic equations: Factoring
stellarik [79]
Remember
if ab=0, then assume that a and b equal 0

factor out common term
comon term in 6x^2 and 15x is 3x
3x(2x)+3x(5)=0
3x(2x+5)=0
set each to zero
3x=0
x=0

2x+5=0
2x=-5
x=-5/2


x=-5/2 and 0
6 0
2 years ago
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