Answer:
Answer for #10:
Answer for #1:
Step-by-step explanation:
In order to solve a simultaneous equation using the substitution method you have to:
Use one of the equation and substitute it into the other equation, in this case equation <em>B</em><em> </em>was substituted into equation <em>A</em><em>.</em>
<em>
</em>
Therefore since x = 1 - y, equation A would be:
Answer:
Step-by-step explanation:
This is for the first question.
Slope-intercept is:
m - slope
b - y-intercept
We are given the slope of 
and a y-intercept of 2.
Plug in the values:
Hope this helps.
If 7x+3=24, that means x would be 3 so if you take 5-4x then that would be -7.
Answer: 12 red balls must be added
Step-by-step explanation:
Starting out with 15 balls, 6 red implies 9 blue. If blue remains 9, then we expect red to be 18 for a probability at 2/3. 18-6 = 12
Below is an equation that shows the equivalency between meters andGigameters:
The conversion factor should be used to convert from meters toGigameters should be:
