Answer:
yes
Step-by-step explanation:
Trinomial means the equation consists of 3 terms therefore 2x+5y+7z is a trinomial.
Answer:
Ratio of boys to girls,
=> 5:4
If there are 60 girls, then the number of boys
= 5 * 15 : 4 * 15
=> 75 : 60
Therefore, there were 75 boys in the choir
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Answer:
C
The lines will intersect once because this systems has one solution
Step-by-step explanation:
Start by putting everything into slope intercept form (AKA y=mx+b
2x-4y=3
2x-3=4y
y= .5x-.75
And the other one
7y-5x=8
-5x-8= -7y
y=(5x+8)/7
Because their slopes are different there's an intersection
Because their y intercepts are different there's only 1 solution
Answer:
yes multiply the 3 sides 3 times together with the number 2