sariahieveryone
16.04.2020 •
Mathematics
Can someone please help me ASAP
Solved
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Ответ:
A. ( 1.4 , -3.2)
Step-by-step explanation:
Given
x + y = - 1.8Equation 1
y = 2x - 6equation 2
Putting equation 2 in equation 1
x + 2x - 6 = -1.8
3x - 6 = -1.8
3x = -1.8 + 6
3x =4.2
x = 4.2/3
x = 1.4
Now
y = 2 * 1.4 - 6
= 2.8 - 6
= -3.2
Ответ:
3672.48
Step-by-step explanation: