Tema
Q:
Divide the following expression
\( \frac{\sqrt{42}}{\sqrt{7}} \)
Q:
Divide the following expression
\( \frac{\sqrt{24}}{\sqrt{8}} \)
Q:
In 2010, a city's population was 83,075 and it was declining at a rate of \( 1.04 \% \) each year.
Which is the best prediction for when the city's population will first be below 62,000 ?
Q:
b) Se \( S_{n}=n^{2} \), calcule o termo geral de \( a_{n} \)
Q:
Membership in an art club is expected to grow by about \( 4 \% \) per month. Currently, there are 350 members in the club.
In about how many months will membership reach 500 members?
Q:
At the start of an experiment, there are 50 bacteria in a dish. The bacteria population is expected to grow at a rate of \( 220 \% \) each day.
Which is the best prediction for the bacteria population after 8 days?
Q:
Simpify:
\( \frac{4 \sqrt{20}+\sqrt{28}}{2 \sqrt{20}} \)
Q:
Simplify:
\( 3 \sqrt{10} \cdot 4 \sqrt{30} \)
Q:
Simplify completely: \( 7 \sqrt{3}+\sqrt{48} \)
Answer \( =\square \)
Q:
3. Considere a sequência \( a_{n}=\frac{4}{n(n+2)}, n \geq 1 \).
a) Escreva os 7 primeiros termos dessa sequência.
Pon a prueba tus conocimientos sobre Preálgebra!
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