smithnakayla19
30.09.2019 •
Mathematics
How would i solve this problem? we have to classify the angle pair and find the value of x.
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Ответ:
You would set up the equation like this:
(9x-7)+(7x-5)= 180
16x-12=180
+12
16x= 192
Divide both sides by 16
X= 12
Hope this helps
Ответ:
Step-by-step explanation:
Let x be the amount at 5%
Then 2200 - x is the amount at 3%
The total interest is:
0.05x + (2200 - x)*0.03 = 78.505x + (2200 - x)*3 = 78505x + 6600 - 3x = 78502x = 7850 - 66002x = 1250x = 625Find the amount at 3%:
2200 - 625 = 1575