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iris [78.8K]
3 years ago
7

I need help please and thank you

Mathematics
2 answers:
Zigmanuir [339]3 years ago
8 0

Answer:

28.27

Step-by-step explanation:

timofeeve [1]3 years ago
6 0

Answer:

28.26

Step-by-step explanation:

The radius is 3.

A=3.14*3 to the second power.

A=3.14*9

A=28.26

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Step-by-step explanation: Rate of change is the same thing as the slope.

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Which statement best describes the equation x^5+x^3-14=0
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<span>The equation is not quadratic in for because it cannot be written as a second degree polynomial</span>
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1 and 2 please and explain
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4 years ago
Rewrite as a simplified fraction.<br> \large{2.1\overline{6} = ?}2.1 <br> 6<br> =?
slamgirl [31]

Answer:

Note that

0.16666...is equivalent to 1/6

Step-by-step explanation:

We can use the sum of fractions to write out the decimal:

For this particular question, we can see that

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the given decimal

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6 0
3 years ago
Methods of solving distance between two points
e-lub [12.9K]

The distance formula is an algebraic expression used to determine the distance between two points with the coordinates (x1, y1) and (x2, y2).

<span><span>D=<span><span>(<span>x2</span>−<span>x1</span><span>)2</span>+(<span>y2</span>−<span>y1</span><span>)2</span></span><span>−−−−−−−−−−−−−−−−−−</span>√</span></span><span>D=<span>(<span>x2</span>−<span>x1</span><span>)2</span>+(<span>y2</span>−<span>y1</span><span>)2</span></span></span></span>

Example

Find the distance between (-1, 1) and (3, 4).

This problem is solved simply by plugging our x- and y-values into the distance formula:

<span><span>D=<span><span>(3−(−1)<span>)2</span>+(4−1<span>)2</span></span><span>−−−−−−−−−−−−−−−−−−</span>√</span>=</span><span>D=<span>(3−(−1)<span>)2</span>+(4−1<span>)2</span></span>=</span></span>

<span><span>=<span><span>16+9</span><span>−−−−−</span>√</span>=<span>25<span>−−</span>√</span>=5</span><span>=<span>16+9</span>=25=5</span></span>

Sometimes you need to find the point that is exactly between two other points. This middle point is called the "midpoint". By definition, a midpoint of a line segment is the point on that line segment that divides the segment in two congruent segments.

If the end points of a line segment is (x1, y1) and (x2, y2) then the midpoint of the line segment has the coordinates:

<span><span>(<span><span><span>x1</span>+<span>x2</span></span>2</span>,<span><span><span>y1</span>+<span>y2</span></span>2</span>)</span><span><span>(<span><span><span>x1</span>+<span>x2</span></span>2</span>,<span><span><span>y1</span>+<span>y2</span></span>2</span>)</span><span>
</span></span></span>

3 0
3 years ago
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