Topic
Q:
Solve the equation \( \log _{7}(3 v+10)=0 .(1 \) point \( ) \)
\( v=\square \)
Q:
1. \( 9 \times 5= \)
Q:
Exercices 13:
Soit \( \left(u_{n}\right) \) la suite définie pour tout entier \( n \geqslant 1 \) par
\( u_{n}=\frac{2^{n}}{n} \)
1. Calculer \( \frac{u_{n+1}}{u_{n}} \).
2. Résoudre l'inéquation \( \frac{2 n}{n+1}>1 \)
3. En déduire les variations de la suite \( \left(u_{n}\right) \).
Q:
a. \( \left\{\begin{array}{l}y=-x+3 \\ y=x-3\end{array}\right. \)
Q:
Solve using the quadratic formula.
\[ \begin{array}{l}x^{2}+4 x=-12 \\ \text { Select the correct choice below and, if necessary, fill in the answer box within your choice. } \\ \text { A. } x=\square \\ \text { (Simplify your answer. Use a comma to separate answers as needed.) } \\ \text { B. There are no real solutions. }\end{array} \text {. } \]
Q:
\begin{tabular}{l|l} Determine whether \( (1,-4) \) is a \\ solution of \( 6 x+4 y=3 \)\end{tabular}\( | \begin{array}{l}\text { Is }(1,-4) \text { a solution to } \\ \text { the equation? } \\ \text { No }\end{array} \)
Q:
Expand the logarithm \( \ln \left(\frac{13}{x}\right) \cdot(1 \) point)
\( \begin{array}{l}13-x \\ \ln (13-x) \\ \ln 13-\ln x \\ \frac{\ln 13}{\ln x}\end{array} \)
Q:
Racionalizar el denominador y simplificar.
\[ \frac{2}{3 \sqrt{v}-6} \]
Asumimos que la variable representa un número real positivo.
Q:
2. Una persona de 2 m de estatura
divisa lo alto de una torre de altura de
32 m con un ángulo de elevación de
\( 15^{\circ} \). Se acerca una distancia " \( x \) y el
ángulo de elevación se duplica.
¿Cuánto vale " \( x \) "?
Q:
Write this ratio as a fraction in lowest terms.
60 minutes to 50 minutes
60 minutes to 50 minutes is
(Simplify your answer. Type a fraction.)
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