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3 years ago

10

type the correct answer in each box. if necessary, use / for the fraction bar(s). If a = 0.6 and b = 0.75, then a•b = ____ and a

/b = _____

2 answers:

qwelly [4]3 years ago

7 0

Answer:

the answer is 0.45 and 0.8 :)

guapka [62]3 years ago

5 0

Answer:

If a=0.6 and b=0.75, then a·b=9/20 and a/b=4/5

Step-by-step explanation:

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Answer:

$\displaystyle (-1, -6)$

Step-by-step explanation:

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Step-by-step explanation:

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4. A horizontal ellipse, centered at the origin has a major axis of 10 units and minor axis of 8 units. Write the

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Answer:

$\frac{x^2}{25} +\frac{y^2}{16} =1$

Step-by-step explanation:

For ellipses, the length of the major axis is represents as:

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In this case since the major axis is equal to 10 units:

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solving for the semi-major axis $a$ :

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and also the minor axis of an ellipse is represented as:

Minor axis = $2b$

where $b$ is called the semi-minor axis.

Since the minor axis has a length of 8 units:

$8=2b$

solving for b:

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Now we can use the equation for an ellipse centered at the origin (0,0):

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

and substituting the values for $a$ and $b$ :

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Step-by-step explanation:

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