Answer:
I think it was Distributive
Step-by-step explanation:
Answer:
x = -4
, y = -6
Step-by-step explanation:
Solve the following system:
{y = -5 x - 26 | (equation 1)
5 y = 3 x - 18 | (equation 2)
Express the system in standard form:
{5 x + y = -26 | (equation 1)
-(3 x) + 5 y = -18 | (equation 2)
Add 3/5 × (equation 1) to equation 2:
{5 x + y = -26 | (equation 1)
0 x+(28 y)/5 = (-168)/5 | (equation 2)
Multiply equation 2 by 5/28:
{5 x + y = -26 | (equation 1)
0 x+y = -6 | (equation 2)
Subtract equation 2 from equation 1:
{5 x+0 y = -20 | (equation 1)
0 x+y = -6 | (equation 2)
Divide equation 1 by 5:
{x+0 y = -4 | (equation 1)
0 x+y = -6 | (equation 2)
Collect results:
Answer: {x = -4
, y = -6
Answer:
B. 
Explanation:
Compare people who have lower comprehension intelligence quotients than others.
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Answer: The boundaries of 9 pounds are;
8.5 – 9.5 pounds
Step-by-step explanation: Method used to find the boundaries.
The boundaries of an indicated value are the upper and lower bounds of
the value, which are the possible minimum or maximum values the
number may be before being rounded to the current value.
The given boundaries is = 9 pounds
The lowest possible value, 9 pounds can be before rounding up is 8.5 pounds.
Therefore; 8.5 pounds is the lower bound of 9 pounds.
The highest possible value of 9 pounds is 9.44999... pounds which is approximately 9.5 pounds
Therefore; The upper bound of 9 pounds is 9.5 pounds
Which gives;
The boundaries of 9 pounds are;
8.5 – 9.5 pounds
