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3 years ago

The dot plot shows the numbers of pets that students in a class own

Mathematics

1 answer:

Kisachek [45]3 years ago

5 0

Answer:

5 dots above zero

Step-by-step explanation:

Could the question be The dot plot shows the number of pets owned by the students in Jayod’s class.

The center, or the middle value, of the data set is _____.????

If it is that is the answer.

Hope this helps!! :)

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Please I need help

ArbitrLikvidat [17]

Answer:

(x, y) = (-3 5/8, 1 5/16)

Step-by-step explanation:

Add y+14 to the second equation to get ...

3.5x +14 = y

Substitute this for y in the first equation:

2.5x -3(3.5x +14) = -13

2.5x -10.5x -42 = -13

-8x = 29

x = -29/8 = -3 5/8

Using this in the formula for y, we get ...

3.5(-29/8) +14 = y

-203/16 +14 = y = 21/16 = 1 5/16

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3 years ago

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Write the expanded form of 4(1/4a + b - 6).

Alja [10]

Answer:

Step-by-step explanation:

4(1/4a+b-6)

1a+4b-24

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3 years ago

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A small theater had 9 rows of 25 chairs each. An extra 6 chairs have just been brought in. How many chairs are in the theater no

geniusboy [140]

231 chairs because 9 times 25 is 225, plus 6 is 231

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3 years ago

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Find the area of a figure whose coordinates are A(-2, 2), B(2, 2), C(2, -2) and D(-2, -2).

hram777 [196]

You first have to find the length of each side.
AB=4
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CD=4
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Since this is a quadrilateral, two sides will have the same length, in this case, they all do so you can pick any two sides.

4(4)=16.

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4 years ago

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Consider the circle of radius 5 centered at (0,0), how do you find an equation of the line tangent to the circle at the point (3

Flauer [41]

$\text{We know that the tangent at any point on a circle is perpendicular}\\
\text{to the radius at that point.}\\
\\
\text{so first we find the equation of the line joining (0,0) and (3,4)}\\
\text{and then using the slope, we find the line perperndicular to it at (3,4)}\\
\\
\text{the equation of the line passing through (0,0) and (3,4) is}\\
\\
y-0=\frac{4-0}{3-0}(x-0)$

$\Rightarrow y=\frac{4}{3}x\\
\\
\text{so the slope of radius is }m=\frac{4}{3}.\\
\\
\text{we know that the product of the perpendicular lines is }-1. \\
\\
\text{so the slope of the perpendicular line would be}=-\frac{1}{4/3}=-\frac{3}{4}\\
\\
\text{So the equation of the tangent line has slope }-\frac{3}{4} \text{ and}\\
\text{passing through (3,4). so equation of tangent line is}$

$y-4=-\frac{3}{4}(x-3)\\
\\
\Rightarrow y-4=-\frac{3}{4}x+\frac{9}{4}\\
\\
\Rightarrow y=-\frac{3}{4}x+\frac{9}{4}+4\\
\\
\Rightarrow y=-\frac{3}{4}x+\frac{9+16}{4}\\
\\
\text{so the equation of tangent line is:} y=-\frac{3}{4}x+\frac{25}{4}$

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4 years ago