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amberpetty4288
19.09.2019 •
Mathematics
What times what equals -18 but adds up to -7?
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Ответ:
18 and 1 isn't going to make 7.
9 and 2 can, though!
One will need to be negative so that it multiplies to MINUS 18.
-9 + 2 = -7, so there's our answer.
Ответ:
267 students
Step-by-step explanation:
Number of students in a team (t) is proportional to number of honor roll students (n)
Mathematically, t = kn (k is constant
When t = 12, n = 8
k = t/n = 12/8 = 1.5
When t = 400
n = t/k = 400/1.5 = 267 (to the nearest whole number)