3:5 is the ratio of cups of rice to cups of water.
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<h3>Answer:</h3>
![AB = \frac{67}{4}\\](https://tex.z-dn.net/?f=AB%20%3D%20%5Cfrac%7B67%7D%7B4%7D%5C%5C)
<h3>
Step-by-step explanation:</h3>
If
is the midpoint of
then
is just half of
and also,
is just half of
. This means that
must be equal to
. Essentially,
and we can solve for the of
from that equation.
![9x +7 = -3x +20 \\ 9x +7 +3x = -3x +20 +3x \\ 12x +7 = 20 \\ 12x +7 -7 = 20 -7 \\ 12x = 13 \\ \frac{12x}{12} = \frac{13}{12} \\ x = \frac{13}{12}](https://tex.z-dn.net/?f=9x%20%2B7%20%3D%20-3x%20%2B20%20%5C%5C%209x%20%2B7%20%2B3x%20%3D%20-3x%20%2B20%20%2B3x%20%5C%5C%2012x%20%2B7%20%3D%2020%20%5C%5C%2012x%20%2B7%20-7%20%3D%2020%20-7%20%5C%5C%2012x%20%3D%2013%20%5C%5C%20%5Cfrac%7B12x%7D%7B12%7D%20%3D%20%5Cfrac%7B13%7D%7B12%7D%20%5C%5C%20x%20%3D%20%5Cfrac%7B13%7D%7B12%7D)
Now we can solve for ![AB](https://tex.z-dn.net/?f=AB)
![AB = 9(\frac{13}{12}) +7 \\ AB = 3(\frac{13}{4}) +7 \\ AB = \frac{39}{4} +7 \\ AB = \frac{39}{4} +\frac{28}{4} \\ AB = \frac{67}{4}](https://tex.z-dn.net/?f=AB%20%3D%209%28%5Cfrac%7B13%7D%7B12%7D%29%20%2B7%20%5C%5C%20AB%20%3D%203%28%5Cfrac%7B13%7D%7B4%7D%29%20%2B7%20%5C%5C%20AB%20%3D%20%5Cfrac%7B39%7D%7B4%7D%20%2B7%20%5C%5C%20AB%20%3D%20%5Cfrac%7B39%7D%7B4%7D%20%2B%5Cfrac%7B28%7D%7B4%7D%20%5C%5C%20AB%20%3D%20%5Cfrac%7B67%7D%7B4%7D)
First off you must figure out what 389*566 is,
once that is multiplied out it turns into 220,174 (big number)
then, divide by 2
2∫220174
and once divided, it equals, 110,087.
Answer:
x= -3, y=-6
Step-by-step explanation:
In the equation -5x-y=21, substitute y for 6+4x:
-5x- (6+4x) = 21
^^Solve for x.
X should come out to -3. To find y, plug -3 into either equation (-5x-y=21 or y=6+4x) and y should equal -6.