Rewrite 3/2 : 1/4 as a unite rate
2 answers:
Answer:
The unit rate = 6
Step-by-step explanation:
To find the unit rate, divide the numerator and denominator of the given ratio.
Given : 3/2 : 1/4
Which can be written as
If we have fraction over fraction, we can flip the denominator fraction and multiply.
Therefore,
= 12/2
= 6
The unit rate = 6
Thank you.
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<em>Options:</em>
<em>Rotation of 180° about point B </em>
<em>Rotation of 90° about point b </em>
<em>Reflection over the x-axis </em>
<em>Translation down 2 units</em>
<em></em>
Answer:
Rotation of 180° about point B
<em></em>
Step-by-step explanation:
Considering coordinates of point B
Assume the coordinates of the line at point B is (x,y)
i.e.
First, we need to determine the slope at point B
Taking coordinates about the origin.
The slope of B is:
Where
--- origin
becomes
Taking the options one after the other:
Option A.
When rotated by 180°, the resulting coordinates of B would be
Taking the slope of B'
The slope of B is:
Where
--- origin
becomes
Notice that the slope of B and B' is the same;
<em>Hence:</em>
<em>Rotation of 180° about point B answers the question</em>
<em></em>
<em>There's no need to check for other options</em>
Use combination to solve it
13C10 =
13C10 =
13C10 =
13C10 =
13C10 =
13C10 = 286
There are 286 ways
13C10 =
13C10 =
13C10 =
13C10 =
13C10 =
13C10 = 286
There are 286 ways