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Questions in Grade High-school

[Terjawab] Multiply. $\frac{x^2+5 x+6}{x^2-4} \cdot \frac{x^2+3 x+2}{x^2+4 x+3}$

[Terjawab] Solve for $n$. $11(n-1)+35=3n$

[Terjawab] Determining an Equation and Type of Graph Jeff hiked for 2 hours and traveled 5 miles. If he continues at the same pace, which equation will show the relationship between the time, [tex]$t$[/tex], in hours he hikes to distance, [tex]$d$[/tex], in miles? Will the graph be continuous or discrete? A. [tex]$d=0.4 t$[/tex], discrete B. [tex]$d=0.4 t$[/tex], continuous C. [tex]$d=2.5 t$[/tex], discrete D. [tex]$d=2.5 t$[/tex], continuous

[Terjawab] [Clean the question above and then proceed with classification]

[Terjawab] Select the correct answer. The length, [tex]l[/tex], of the shadow cast by an object varies directly as the height, [tex]h[/tex], of the object. If [tex]k[/tex] is the constant of variation, which equation represents this situation? A. [tex]1+h=k[/tex] B. [tex]l h=k[/tex] C. [tex]l=h k[/tex] D. [tex]l=h+k[/tex]

[Terjawab] In which triangle is the value of $x$ equal to $\cos ^{-1}\left(\frac{4.3}{6.7}\right) ? (Images may not be drawn to scale.)

[Terjawab] A group of 2 adults and 4 children spent $38 on tickets to a museum. A group of 3 adults and 3 children spent $40.50 on tickets to the museum. Based on this information, how much is an adult ticket, and how much is a child ticket? [tex]\begin{array}{l} 2 a+4 c=38.00 \\ 3 a+3 c=40.50 \end{array}[/tex] What values of [tex]$a$[/tex] and [tex]$c$[/tex] represent the solution to the system? [tex]$a=\square$[/tex] [tex]$c=\square$[/tex]

[Terjawab] 13. Strategic planning is not just a tool for senior management. a. False b. True

[Terjawab] Formula-fed infants experience more diarrhea and upset stomachs than breast-fed infants.

[Terjawab] Arrange the routes in increasing order of distance. Route 1: 1199 km Route 2: 1121 km Route 3: 1185 km Route 4: 1115 km