Concept explainers
a. Use the distributive property of multiplication over addition to explain why multiplication of a natural number in base two by
b. Use part (a) to explain why multiplication in base two by
c. Use the distributive property of multiplication over addition and part (a) and (b) to compute
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A Problem Solving Approach To Mathematics For Elementary School Teachers (13th Edition)
- Solve by the quadratic formula or completing the square to obtain exact solutions. 2 e 104 OA) -16±3√6 B) 8±√10 O c) -8±√10 OD) 8±3√√6 Uarrow_forwardQuestion 14 (1 point) Listen The frame on a picture is 18 in by 22 in outside and is of uniform width. Using algebraic methods, what is the width of the frame if the inner area of the picture shown is 250 in²2? Write answer to 2 decimal places. (Write the number with no units). 18 in Your Answer: 22 inarrow_forward◄ Listen A vacant lot is being converted into a community garden. The garden and a walkway around its perimeter have an area of 560 square feet. Find the width of the walkway (x) if the garden measures 15 feet wide by 19 feet long. Write answer to 2 decimal places. (Write the number without units). X 15 feet Your Answer: 19 feet Xarrow_forward
- Listen A stuntman jumps from a roof 440 feet from the ground. How long will it take him to reach the ground? Use the formula, distance, d = 16t2, (where t is in seconds). Write answer to 1 decimal place. (Write the number, not the units). Your Answer:arrow_forwardSolve x² - 10x + 24 = 0 ○ A) 4,6 B) -12, -2 C) 12,2 D) -4, -6arrow_forwardc7. = -(9 - x) 25 A a) -1, 11 b) 31 c) 11 d) 1, 11arrow_forward
- 2 4x² - 12x-7=0 A) 7 ON 1,-1 4 OB)-, 7 1 C) 2,2 Oa½½-½ c) 17/17, - 1/1/1 D) 2, 2 ODI-,-arrow_forwardSolve using the quadratic equation formula 4x² + 12x=-6 ○ a) -12±√√3 2 b) -3±√15 -3+√15 2 ○ c) c) -3±√√√3 2 d) -3±√3 8arrow_forwardListen Solve the quadratic equation by factoring. One solution is 0. Find the other. 2x² + 16x = 0 Your Answer: Answerarrow_forward
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