<span>x+(2x-4)=11
Answer is x=5.</span>
Answer:
its b) 5×5×5
Step-by-step explanation:
a) 5×3 is 15
b) 5×5×5 is 5^3 or in simple form its 125
c) 3×3×3×3×3 = 3^5 or in simple form its 243
You should solve 5^3 as
= 5×5×5
= 125
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Answer:
2 sets of possible solutions:
x=3, y = 5
and
x=-1, y = -3
Step-by-step explanation:
Using the graphical method, (see attached)
you can graph both equations and find their intersection points.
From the attached plot, you can see that the graphs intersect at (3,5) and (-1,-3)
Alternatively, you can solve this numerically by solving the following system of equations. You will get the same answer.
y = 2x + 1 ------------------- eq. (1)
y = x² - 4 ------------------- eq. (2)
Keisha drank the average amount of water 1 of the days.
if he drinks 1 quart, his average is 21/13.
Answer:

Step-by-step explanation:
hope this will help you