To solve this problem, you set up the equation 45+(2x-5)=180
Next, subtract 45 from 180 to get the equation 2x-5=135
After that, add 5 to 135 to get 2x=140
Diviode 140 by 2 to get X=70
Answer:
A. 1,2,3
Step-by-step explanation:
If you graph it you can see the intercepts
desmos has a great free graphing calculator
Answer:
Yes they can
Step-by-step explanation:
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Answer:
a<-4
Step-by-step explanation:
Add 5 to both sides of the inequality
-2a>8
Then divide -2 on both sides of the inequality
And since you are dividing a negative the inequality sign has to be fliped around
a<-4
Hope this helps!!!
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Matrix B has dimensions 4x3
Matrix C has dimensions 3x4
Write out those dimensions like so: 4x3 3x4
The inner '3's match up so B*C is possible. The dimensions of B*C is 4x4 as these are the outer dimensions when lining up 4x3 3x4
Since B*C is a square matrix, it is possible that an inverse could exist. Keep in mind that this isn't a guarantee as the determinant of B*C could be zero (which would lead to BC being non-invertible). Though of course we'd need more info.
