4 3 {1 Find 3 2 ( 2 ) 1:2 First write out the summation: |:] Question Help: El Video Q Written Example Announcers present music, news. and sports, and may provide commentary or interview guests about these or other important topics. Some act as masters of ceremonies temcees] or disc jockeys {3.15} at weddings, parties, or clubs. Many announcers work in radio and television studios. Some announcers are self-employed; others work part time. The median annual wage for announcers was $29,01 in May 1014. SOURCE: United States. Department of Labor. "Announcers." Occupational Outlook Handbook. 1? Dec. 2015. Web. 8 March Zi. A newscaster earns snow and wants to invest 10% of hisfher monthly salary to save for retirement in 14 years. If hefshe invests this money at 4.5% compounded monthly. howr much money 1will hefshe have at retirement? a} How much will be saved each year?' b] What will be the monthly deposit? c] 1I'lfhat will be the amount in the account after 24 years? i | Suppose a designer has a palette of 11 colors to work with, and wants to design a flag with 3 vertical stripes, all of different colors. HOW manyI possible flags can be created? Na'estse bought 13 plants to arrange along the border of her garden. How manyI distinct arrangements can she make it the plants are comprised of 3 tulips. 4 roses. and (:- daisies? A satellite dish is shaped like a paraboloid of resolution. This means that it can be formed by rotating a parabola around its axis of symmetry. The receiver is to be located at the focus. If the dish is 43 feet across at its opening and 4 feet deep at its center, where should the receiver be placed? nasaqar Find the equation of the parabola. |:] How far above the vertex should the receiver be placed? _ An arch is in the shape of a parabola. It has a span of 421'} ieet and a maximum height of 35 feet. Find the equation of the parabola [assuming the origin is halfway between the arch's feet]. I:] Determine the height of the arch 112 feet from the center. I _