3x + 2y = 10 ....multiply by -4
12x + 5y = 25
-------------------
-12x - 8y = -40 (result of multiplying by -4)
12x + 5y = 25
------------------add
-3y = - 15
y = -15/-3
y = 5
3x + 2y = 10
3x + 2(5) = 10
3x + 10 = 10
3x = 10 - 10
3x = 0
x = 0
solution is (0,5)
Answer:
Step-by-step explanation:
cot(theta) = 1 / tan(theta)
cot(theta) = 1 / -5
cot(theta) = - 0.2
Isnt it letter D ? Not sure tho
Answer:
67/500
Step-by-step explanation:
we have
The decimal number 0.134
Convert to a fraction number
Multiply by (1,000/1,000) the number
0.134*(1,000/1,000)=134/1,000
Simplify
Divide by 2 both numerator and denominator
67/500
