Find a pair of factors for each number by using the difference of two squares.
1 answer:
The answers are: a) 9 and 5 b) 11 and 7 c) 14 and 8 a² - b² = (a + b)(a - b) a) The answer is 9 and 5 45= a² - b² 45 = 49 - 4 = 7² - 2² = (7 + 2)(7 - 2) = 9 * 5 b) The answer is 11 and 7 77 = a² - b² 77 = 81 - 4 = 9² - 2² = (9 + 2)(9 - 2) = 11 * 7 c) The answer is 14 and 8 112 = a² - b² 112 = 121 - 9 = 11² - 3² = (11 + 3)(11 - 3) = 14 * 8
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Gram miligram ..................................
Answer:
79
Step-by-step explanation:
The area of a circle is pi*radius^2; the radius of this circle is 10 (20/2=10). Our area is then 100pi or ~314 square feet. A 2x2 square takes up 4 feet. 314/4 is equal to 78.5, or when rounded, 79
Answer:
50+50=100
180-100=50
The answer is 40
No, because 3/2 is actually 1 1/2. 2/3 isn't even 1
The total amount Allen will need to pay for the video game is $48.96 as 49-0.1+0.06=48.96