momo1039
16.07.2019 •
Mathematics
If the ordered pair (-3,5) is a solution of 3x + 4y = k, what is the value of k?
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Ответ:
with the values plugged in the equation is 3(-3)+4(5)=k which simplifies to -9+20=k and then to 11=k
Ответ:
Plug in -3 for x and 5 for y in the equation.
3(-3) + 4(5) = k
-9 + 20 = k
k = 11
Ответ:
60
Step-by-step explanation:
There are 360° used in a whole pie chart
Using proportion
30° → 5 people
360° → 5 × 360 / 30 = 5 × 12 = 60
There are 60 people altogether