Answer: There exists a distinction between rote counting and rational counting. Rote counting requires memorizing sequences of numbers, whereas rational counting informs children about "how many items there are." For children to engage in rational counting, they must exhibit one-to-one correspondence.
Louise's work is incorrect since she omits the component 30x3. For binomial squaring, writing the binomial multiplied by itself is the most effective approach. From there, the distributive property should be applied to combine each part of the first binomial with each part of the second. Additionally, Louise could have applied the perfect square trinomial formula derived from squaring a binomial.
Y = 6 x² + 12 x - 10. Factor out the 6 to get 6 ( x² + 2 x ) - 10. Rewrite the quadratic by adding and subtracting 1 inside the parentheses: 6 ( ( x² + 2 x + 1 ) - 1 ) - 10.
This reduces to 6 ( x + 1 )² - 6 - 10 = 6 ( x + 1 )² - 16 ( vertex form)
Answer:
All prime numbers under its square root.
Step-by-step explanation:
4:7
4+7=11
121 / 11 = 11
11*4=44
11*7=77
Answer = D, 44 feet and 77 feet