Without adding, find the sum of :d) 1+3+5+7+9+11+13+15+17+19
1 answer:
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Answer:
x = and x =
Step-by-step explanation:
Let's use the quadratic formula, which states that for a quadratic of the form ax² + bc + c, the zeroes are: or
.
Here, a = 6, b = -24, and c = 1. Plug these in:
AND
Thus, the zeroes are: x = and x =
.
Answer:
The classification of the set of circumstances is presented in the following subsections of the understanding.
Step-by-step explanation:
A 7-year health research project revealed that individuals for whom the mom took DES throughout pregnancy seem to have been twice as probable as women for whom the mothers didn't use the medication to establish tissue irregularities that could cause cancer.
(a)
Women with whom the mothers have taken DES throughout pregnancy as well as women where its mothers haven't taken DES during pregnancy.
(b)
The information collected seems to have been a sample or survey.
(c)
A sampling unit of 3980 (women) showed that performance 63 industrialized tissue irregularities that could contribute to disease (cancer) in the proportion of females with whom the mom brought the powerful DES all through pregnancy.
The proportion of abnormalities in tissues established by females does seem to be:
=
=
Of every thousand women, 15.8 established tissue abnormalities.