1.The sum of 4 and three times a number is 19
1 answer:
1) 4 + 3(x) = 19
3x=15
x=5
2) 2x -7 = 9
2x=16
x=8
3) not sure
4) 5 (x + 4) = -15
5x+20=-15
5x=-35
x=-7
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Answer:
7x+Y=-2
Step-by-step explanation:
(y-y1)=m(x-x1)
(Y+4)=-7(x-2)
Y+4=-7x+2
Y+7x=2-4
7x+Y=-2
The answer is 20/27. 8/9x5/6=20/27.
Answer:
848.23 mm²
Step-by-step explanation:
LA = πdh
LA = 3.14159 × 18 mm × 15 mm
LA = 848.23 mm²
It's called an obtuse angle.
The third one
5/6 is the answer
