Answer:
He subtracted incorrectly
Step-by-step explanation:
You multiply 42.75 x 4 and get 171. Then you add 171+52.45=223.45 and then you subtract 223.45-18=205.45 and then you multiply 223.45 x .3333 = 68.3265 or 68.33 (rounded)
The length of the line segment is 3.
Hope this helps!
Answer:
A = 28.3 cubic inches; P = 20.1 inches
Step-by-step explanation:
<em>Looks like 3/4 of a full circle</em>
<em>The area of a circle is calculated with the formula: </em>
<em>Since the problem wants pi = 3.14, we use 3.14 instead of pi in the equation.</em>
<em>The radius is given as 3 inches</em>
Area = cubic inches = 28.3 cubic inches
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<em>Perimeter is calculated with </em><em>.</em>
<em>But this is 3/4 of a circle with an additional two 3-inch sides</em>
Perimeter = + 2(3) = 14.1 + 6 = 20.1 inches
$6.25 is the cost of 5 lbs. of apples. Here the question is 'what is the
cost of 1 lb of apple?' To find the unit rate or the cost of 1 lb of
apple, divide the sum by the given quantity. The sum is @6.25 and the
given quantity is 5 lbs. So the unit rate = 6.25/5 = $1.25