Answer: X^4 you just subtract or add with exponents
Step-by-step explanation:
First you must set f (x) =15:
15 = 2x - 5
Now you must solve like a normal equation:
15 = 2x - 5 )+5
20 = 2*x ):2
10 = x
ANSWER: The value of x is 10
What is the arithmetic mean for the following numbers,88,80,75,70,38,45,70,60,60,50
Natalija [7]
Answer:
63.6
Step-by-step explanation:
X=£fx/n
= 88+80+75+70+38+45+70+60+60+50/10
= 636/10
= 63.6
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y=−3x+9 slope of this equation is -3 and y-intercept is 9
Plot the y -intercept first which is 9 and mark the points using the slope which is -3. Join the points. So blue line in the graph is y = -3x+9
y=−x−5 slope of this equation is -1 and y intercept is -5
Plot the y -intercept first which is -5 and mark the points using the slope which is -1 . Join the points. So pink line in the graph is y = -x-5
The intersection point of these two lines gives you the solution.
The coordinates of point of intersection (7,-12)
5-11.
Positive 5 minus negative 11=
11-5=6
Now is 11 greater or 5, 11 is. And what is the integer of 11? A negative.
Therefore, the answer is -6.