Tema
Q:
There are 4 third grade classes. The teachers want to know how
many glue sticks each class will get if they split the glue sticks
evenly.
Which equation can be solved to find the number of glue sticks
reach class?
B. \( (6+6) \div 4=n \)
\( (6 \times 6) \div 4=n \)
\( (6 \times 6)+4=n \)
\( (6 \times 6) \)
\( 4=n \)
Q:
The appropriate degrees of freedom for the distribution used in correlation is off \( =\mathrm{N}-\mathrm{k} \).
A) True
(B) False
Q:
Solve the quadratic equation by completing the square.
\( \begin{array}{ll}x^{2}+10 x+14=0 & \text { c. } 5 \pm 6 \\ \begin{array}{ll}\text { a. }-10 \pm 6 \\ \text { b. } 100 \pm \sqrt{11} & \text { d. }-5 \pm \sqrt{11} \\ \text { 4. }-3 x^{2}+7 x=-5 \\ \text { a. } \frac{7}{6} \pm \frac{\sqrt{109}}{6} & \text { c. } \frac{7}{3} \pm \frac{\sqrt{67}}{3} \\ \text { b. }-\frac{7}{3} \pm \frac{\sqrt{109}}{3} & \text { d. }-\frac{7}{6} \pm \frac{\sqrt{22}}{6}\end{array}\end{array} \).
Q:
QUESTĀO 2: Numa pesquisa sobre preferência entre dois
refrigerantes, Coca-Cola e guaraná, obtivemos o seguinte
resultado: 20 tomam guaraná, 15 tomam Coca-Cola
8 tomam os dois e 3 não tomam nenhum dos dois.
Sorteando-se uma pessoa ao acaso, calcule a probabilidade
de ela tomar guaçaná ou Coca-Cola?
\( \begin{array}{llll}\text { a) } 5 / 6 & \text { b) } 5 / 12 & \text { c) } 2 / 5 & \text { d) } 9 / 10 \\ \text { e) } 7 / 30\end{array} \)
Q:
Directions: Perform the division below
\( \frac{y^{2}+2 y+24}{y+6} \)
Q:
resterday 170 guests at a hotel called for room service, and 255 guests did not call for room service. What
sercentage of the guests at this hotel called for room service yesterday?
Q:
What is the test statistic for correlation?
(A) r
(B) F
(C) \( z \)
(D) \( \times 2 \)
Q:
di \( y=\frac{2 x^{4}-3 x}{7 x^{5}-6} \)
Q:
A school building is 62 feet long. The principal is
extending the building to add two more classrooms.
It will be 89 feet long.
Which equation solves for the length added onto
the building?
Q:
12. Calcula el ángulo que forman los planos \( \pi_{1} \equiv x-2 z-3=0 \) y \( \pi_{2} \equiv 2 x+3 y-6=0 \).
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