Answer: D - 3 + 2√2 + √3
Solution: For the first question, we can just simply add up all of the terms to find the perimeter. Keep in mind that you cannot collect like terms for √3 and√2, since they are not alike. You have to keep them separate.
Hence, the only via solution is (D) 3 + 2√2 + √3
Answer: C - √10 + √13 = √23
Explanation: If we have two different terms inside the square root, we are not allowed to add them together; yes, you can multiply and divide, but not add or subtract.
For (A), if we square a number inside the root, we simply remove the square root sign, so that is correct.
For (B), we are allowed to multiply two square root numbers inside to form one unit.
For (D), we are allowed to divide two square root numbers inside to form one unit.
Circumfrence is to a circle as perimeter is to a polygon. The circumfrence of a circle always equals the diameter (or two times the radius, since the radius is half of the diameter) times pi.
The circumfrence would be 7926.41π miles because of this.
Should you round pi to 3.14, the circumfrence would be 7926.41 * 3.14.
This is equal to <span>24888.9274 miles. (round that if needed)</span>
Answer:
$126.20
Step-by-step explanation:
<u><em>Given:</em></u>
<em>Mike is buying eight tickets for a concert. </em>
<em>A package of five tickets costs $74.45. </em>
<em>Individual tickets cost $17.25 each.</em>
<u><em>To Find:</em></u>
<em>What is the least amount that Mike can pay for eight tickets? Be sure to include a decimal point in your answer.</em>
<u><em>Solve:</em></u>
<em>Since we know that:</em>
<em>A package of five tickets costs $74.45. </em>
<em>Individual tickets cost $17.25 each.</em>
<em>Hence we know that 5 + 3 = 8</em>
<em>Thus,</em>
<em>$74.45 = 5 tickets</em>
<em>Now for the 3 tickets we can do individual tickets which cost $17.25</em>
<em>$17.25 × 3 = 51.75</em>
<em>Then we add both together:</em>
<em>51.75 + 74.45 = $126.20</em>
<em />
<u><em>Kavinsky</em></u>
Answer:
84 cm^2
Step-by-step explanation:
The area of a triangle is
A = 1/2 bh where b is the length of the base and h is the height
A = 1/2 ( 5+9) * 12
A = 1/2 (14) * 12
A =84
