Answer:
35
Step-by-step explanation:
if you divide 21 by 3, which is 7, then multiply that number by 5, it gives you thirty five then you can go back and check your work, 35/5 times 3
A Riemann sum approximates the area of a certain region. Usually it's used in calculus, where you use the Riemann sum to approximate the area a curve instead of using an integral to find the exact value, since that tends to take a lot more time and effort.
12+4x=5x
x=12
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Tbh idk but try using photo math it works
Circumference = π × diameter
π × 9 = 28.274333882
To 1dp = 28.3
Circumference = 28.3 inches
