C. This is because you have equal odds, so you are not leaning heavily in one direction!
Step-by-step explanation:
Slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept (where x = 0).
Use the given points, substituted into the standard equation, to get 2 equation with m and b as unknowns. Solve this pair of equations for m and b, using the standard methods.
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Answer:
5x²-23x
Step-by-step explanation:
5x²-23x
Answer:
Step-by-step explanation:
90
Answer:
x+(x+30)=72
Step-by-step explanation:
if x is the smaller number and y is the bigger number, then according to the condition (one number is 30 more than the other) y=x+30.
It the sum of the two numbers is 72, then x+y=72.
After substitution y=x+30:
x+(x+30)=72; - the required equation.
⇔ 2x=42; ⇒ x=21 (it is the smaller number)
y=51 (it is the bigger number).