kmmjones6108
02.03.2021 •
Mathematics
10x + 5y = -5 and y= -2x + 6
slope 1st line
slope 2nd line
Type of Lines
Solved
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Ответ:
-2 , -2, parallel
Step-by-step explanation:
same slope, different y intercept, parallel
Ответ:
x = 7.449
Step-by-step explanation:
CAH
cos 20 = 7 / x
x = 7 / cos 20
x = 7.449
This one is little complicated than the other one, first you have to find the missing angle. we do that by:
90 + 20 + x = 180
110 + x = 180
x = 70
now we use the sin formula:
sin 70 = 7 / x
x = 7 / sin 70
x = 7.449