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mars1129 [50]
3 years ago
5

2v²+5v-7=0 please help!!

Mathematics
1 answer:
vaieri [72.5K]3 years ago
3 0
2v^2+5v-7=0\\
2v^2-2v+7v-7=0\\
2v(v-1)+7(v-1)=0\\
(2v+7)(v-1)=0\\
v=-\dfrac{7}{2} \vee v=1
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3 years ago
Refer to the previous exercise. The researchers wanted a sufficiently large sample to be able to estimate the probability of pre
Maru [420]

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6 0
2 years ago
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