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ExtremeBDS [4]
3 years ago
15

1. A rectangle has an area given by A=x^2+5x+6. Find expressions for the possible lengths and width of the rectangle.

Mathematics
1 answer:
Veronika [31]3 years ago
8 0
1.  x^2+5x+6 = (x+3)(x+2), which implies that the sides could be x+3 and x+2.  (There are theoretically an infinite number of side-lengths, though--in general, for any polynomial or reciprocal of a polynomial P(x), \frac{x+3}{P(x)} and P(x)(x+2) is valid.  However, the set provided makes the most sense.)

2.  Profit is the difference between cost and revenue.  For revenue, 0.0000x^2 = 0, so revenue equals 40x, so profit equals 26x-120,000.
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Which points are the verticles of the ellipse? Equations of ellipse
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Answer:

This question is solved in detail below. Please refer to the attachment for better understanding of an Ellipse.

Step-by-step explanation:

In this question, there is a spelling mistake. This is vertices not verticles.

So, I have attached a diagram of an ellipse in which it is clearly mentioned where are the vertices of an ellipse.

Vertices of an Ellipse: There are two axes in any ellipse, one is called major axis and other is called minor axis. Where, minor is the shorter axis and major axis is the longer one. The places or points where major axis and minor axis ends are called the vertices of an ellipse. Please refer to the attachment for further clarification.

Equations of an ellipse in its standard form:

\frac{x^{2} }{a^{2} }  + \frac{y^{2} }{b^{2} } = 1

This is the case when major axis the longer one is on the x-axis centered at an origin.

\frac{x^{2} }{b^{2} } + \frac{y^{2} }{a^{2} }  = 1

This is the case when major axis the longer one is on the y-axis centered at an origin.

where major axis length = 2a

and minor axis length = 2b

3 0
3 years ago
How many sides does a cube have
Lostsunrise [7]
A cube has 6 sides on it. Just think of a dice.

Hope I Helped!!!
5 0
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Read 2 more answers
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ivann1987 [24]
-65, -13, -7, 7, 34, 55, 62.
Here’s your answer^
Least to greatest

Always negative will be least and positive will be the greatest always.
7 0
3 years ago
Aiko jumped rope for an amazing 20 minutes. She stoped at 8:05. When did she start jumping?
marissa [1.9K]
If she stopped at 8;05, and she started 20 minutes earlier, just imaging a clock at 8:05 and turn back time 20 minutes.

Five minutes would be 8:00, ten minutes is 7:55, fifteen minutes is 7:50, and twenty minutes is 7:45. This, she started at 7:45
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I have no idea plz help
BartSMP [9]
Where is the question?

3 0
3 years ago
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