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igomit [66]
3 years ago
14

Can anyone help with this questions

Mathematics
1 answer:
anzhelika [568]3 years ago
7 0

Answer:

8. 1.2E

9. 1.2B

Step-by-step explanation:

8.

Two planes intersect at a line.

Answer: 1.2E

9.

When lines LM and MO intersect, point M is the same point on both lines. Points L, M, and O are not collinear, so they determine a plane.

Answer: 1.2B

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SOLUTIONS

Given: Assume y is the population

\begin{gathered} t=0=1960,y=14030 \\ t=1=1961,y=14060 \\ so\text{ b = 14000} \\ so\text{ k = 30} \end{gathered}

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(B) so when y = 15000, find t

\begin{gathered} y=15000 \\ y=30t+14000 \\ 15000=30t+14000 \\ 15000-14000=30t \\ 1000=30t \\ t=\frac{1000}{30} \\ t\approx33 \\ t=1960+33 \\ t=1993 \end{gathered}

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