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11232003
30.12.2019 •
Mathematics
Find two consecutive even numbers such that the difference of one-half the larger and two-fifths the smaller is equal to five. . which equation could be used to determine the number? . 1/2(n - 2) + 2/5 n = 5. 1/2(n + 2) - 2/5 n = 5. 1/2(n + 2) + 2/5 n = 5
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Ответ:
Then, it would be: 1/2 (n+2) - 2/5 n = 5
So, OPTION B is your answer
Ответ:
The correct option is (B)![\dfrac{1}{2}(n+2)-\dfrac{2}{5}n=5.](/tpl/images/0437/1134/0a107.png)
Step-by-step explanation: We are given to select the correct equation to determine two consecutive even numbers such that the difference of one-half the larger and two-fifths the smaller is equal to five.
Let, 'n' and '(n + 2)' be the two consecutive even numbers.
Then, according to the given information, the equation can be written as
So, n = 40 and n + 2 = 40 + 2 = 42.
Thus, the two even numbers are 40 and 42.
And, the required equation is![\dfrac{1}{2}(n+2)-\dfrac{2}{5}n=5.](/tpl/images/0437/1134/0a107.png)
Option (B) is correct.
Ответ:
18
Step-by-step explanation:
P (Parenthesis) (2^3+4^2) 4^2=16 | 2^3= 8
E (Exponents) 16+8=24
M (Multiply) 2/4=.75
D (Divide) .75x24=18
A (Add)
S (Subtract)