2x^2+9x-6 i found this by subtracting 3x^2+7x from the other equation
D) 7
(3 + 7) -add [3+7= 10]
10-12÷4- then divide [12÷4=3]
now take 10 and 3 and subtract
10-3= 7
D) 7
Answer:
27
18 is 40% have 18 is 9 9 is 20% 18 + 9 equals 27 and you already have 40 18 + 18 is 80% all you need is 20 more percent which is 9
Answer:
c and d
Step-by-step explanation:
using the two angles in the triangle, 1 and 2, it can be 180- the sum of angles 1 and 2, which is c. using angle 4, it can also be 180 - the equation for angle 4
Complete Question
The complete question is shown on the first uploaded image
Answer:
Step-by-step explanation:
Generally from the table the contribution to the chi-square statistic of the number of individuals in the survey aged 20 - 22 who strongly disagreed about whether they observe packing information before purchasing items is mathematically represented as