Questions in mathematics

Questions in mathematics

[Free] Using the information in the table, determine the least expensive way to visit all of these cities, starting and ending in Buenos Aires. a. Buenos Aires $\rightarrow$ Salta $\rightarrow$ Bahia Blanca $\rightarrow$ Tucuman $\rightarrow$ Buenos Aires b. Buenos Aires $\rightarrow$ Tucuman $\rightarrow$ Salta $\rightarrow$ Bahia Blanca $\rightarrow$ Buenos Aires c. Buenos Aires $\rightarrow$ Tucuman $\rightarrow$ Bahia Blanca $\rightarrow$ Salta $\rightarrow$ Buenos Aires d. Buenos Aires $\rightarrow$ Bahia Blanca $\rightarrow$ Tucuman $\rightarrow$ Salta $\rightarrow$ Buenos Aires

[Free] The formula that relates the length of a ladder, [tex]$L$[/tex], that leans against a wall with distance [tex]$d$[/tex] from the base of the wall and the height [tex]$h$[/tex] that the ladder reaches up the wall is [tex]$L=\sqrt{d^2+h^2}$[/tex]. What height on the wall will a 15-foot ladder reach if it is placed 3.5 feet from the base of a wall? A. 11.5 feet B. 13.1 feet C. 14.6 feet D. 15.4 feet

[Free] \frac{36-\sqrt{36}}{\sqrt{36}}

[Free] If OP is perpendicular to AB, prove that AP = BP. In a triangle ABC, D is the midpoint of BC. AD is produced up to E so that DE = AD. Prove that: (i) Triangle ABD and triangle ECD are congruent. (ii) AB = EC. (iii) AB is parallel to EC.

[Free] \frac{2 x-1}{6}=\frac{4 x+1}{12}+ \frac{2 x+2}{2 x+1}

[Free] Solve the equation. [tex]\frac{x+6}{2}=5-\frac{x+4}{5}[/tex] What is the solution? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The solution set is $\square$ (Type an integer or a fraction.) B. The solution set is \{x \mid x$ is a real number \}. C. The solution set is $\varnothing$.

[Free] According to the Fundamental Theorem of Algebra, how many roots exist for the polynomial function? [tex]f(x)=\left(x^3-3 x+1\right)^2[/tex] A. 2 roots B. 3 roots C. 6 roots D. 9 roots

[Free] Suppose you're given the formula $R=s+2t$. If you know that $s$ is three times greater than $t$, how could you rewrite the formula? A. $R=3(s+2t)$ B. $R=5s$ C. $R=5t$ D. $R=3(s+t)$

[Free] What is $x^2+21 x+110$ in factored form?

[Free] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?