Answer:
B, C, D
Step-by-step explanation:
Given expression
Note that
Use distributive property:
Thus, choice B is true.
Rewrite given expression in following way:
Thus, choice C is true.
Rewrite given expression in following way:
Thus, choice D is true.
the area A of the cross section of the column is .
<u>Step-by-step explanation:</u>
Here we have , building engineer analyzes a concrete column with a circular cross section. The circumference of the column is 18π, pi meters. We need to find What is the area A of the cross section of the column .Let's find out:
We know that , Circumference of circle =
⇒
⇒
⇒
⇒
⇒
We know that area of circle =
⇒
⇒
⇒
Therefore , the area A of the cross section of the column is .
Well I don't know what the options are but 5 hundreths of a dollar equals 5 cents.
Hey there! :)
40 - 24 6/7
Since 24 6/7 is a mixed number, change 40 to a mixed number,
40 = 39 7/7
<em>Now subtract</em>
Whole number: 39 - 24 = 15
Fraction: 7/7 - 6/7 = 1/7
15 + 1/7 = 15 1/7
Your answer is C) 15 1/7
Hope this helps :)