Answer:
He made a math error
Step-by-step explanation:
6 ounces of pistachios cost $7.50
take 7.50 / 6=1.25 per ounce ( not .80 per ounce)
Then 1.26 * 16 = 20.00 for 16 ounces
If you use a proportion, you'll get:
Then, you use cross products:
Then, you algebraically solve x:
The answer is 5/3 inches , or 1 5/13 inches, or 1.6 repeating.
Answer:
113.04
Step-by-step explanation:
V of Cylinder = h x r^2 x 3.14 (or pi)
Therefore, V of Cylinder is 9 x 2^2 x 3.14 = 113.04
Answer:
3/8
Step-by-step explanation:
3 1/3 = 10/3
1 1/4 = 5/4
Remember when dividing by a fraction you can also multiply by its reciprocal meaning flip the numerator and denominator.
so
(3 1/3) / (1 1/4) = (10/3) / (5/4) = (10/3) x (4/5) which is the same as (3/10) x (5/4)
= (3 x 5) / (10 x 4) = 15 / 40
the numerator and denominator have a common factor of 5 so divide the numerator and denominator by 5
15 / 40 = 3/8
ln(20) + ln(5) = 2 ln(<em>x</em>)
ln(20×5) = ln(<em>x</em> ²)
ln(100) = ln(<em>x</em> ²)
100 = <em>x</em> ²
<em>x</em> = 10
