Step-by-step explanation:
5x^2+2x=1
5x^2+2x-1=0
x=-b+/-√b^2-4ac÷2a
x=-2+/-√-2^2-(4×5×-1)÷2×5
x=-2+/+√4--20÷10
x=-2+/-√24÷10
x=-2+√24÷10 or -2-√24÷10
x=-2+4.9÷10 or -2-4.9÷10
x=2.9÷10 or -6.9÷10
x=0.29 or -0.69
Answer:
sorry abs
Step-by-step explanation:
10 800 0 to the first problem
Since there are 6 tubes of red paint and 13 tubes of red paint the ratio of red to white would be 6:13
X-15+9-4=x-10 there are ten fewer people after the second stop than the original amount