Questions in mathematics

Questions in mathematics

📝 Answered - Solve the equation $|5 x+2|-3=1$ $x=$ $\square$

📝 Answered - Which point lies on the line described by the equation below? [tex]y+8=4(x-5)[/tex] A. [tex](5,8)[/tex] B. [tex](5,0)[/tex] C. [tex](-5,-8)[/tex] D. [tex](5,-8)[/tex] E. [tex](4,-8)[/tex] F. [tex](4,5)[/tex]

📝 Answered - Type the correct answer in the box. The area of a trapezoid is calculated using the formula below, where [tex]$A$[/tex] is the area of the trapezoid, [tex]$b_1$[/tex] and [tex]$b_2$[/tex] are the bases of the trapezoid, and [tex]$h$[/tex] is the height of the trapezoid. [tex]$A=\frac{b_1+b_2}{2} \cdot h$[/tex] Rewrite the formula to find the base [tex]$b_2$[/tex].

📝 Answered - Solve $10+6(-9-4 x)=10(x-12)+8$ A) $x=2$ B) $x=17$ C) $x=-18$ D) $x=-6$

📝 Answered - Which expression is equivalent to $\left(\frac{a^{-8} b}{a^{-5} b^3}\right)^{-3}$ ? Assume $a \neq 0, b \neq 0$. A. $a^9 b^0$ B. $a^9 b^{12}$ C. $\frac{1}{a^3 b^2}$ D. $\frac{a^{29}}{b^6}$

📝 Answered - Which family of numbers begins with the numbers 0, 1, 2, 3, ...? A. Natural numbers B. Whole numbers C. Real numbers D. Rational numbers E. Integers

📝 Answered - Let Z~N(0, 1). Find P(Z < 1.3).

📝 Answered - For each quadratic relationship, find the coordinates of the: i. x-intercepts ii. y-intercept a. y = x^2 − 2

📝 Answered - Solve $2 x^2+5 x+2=0$ by applying the quadratic formula.

📝 Answered - What is the point-slope form of a line with slope 6 that contains the point $(1,2)$? A. $y-2=6(x-1)$ B. $y+2=6(x-1)$ C. $y+2=6(x+1)$ D. $x+1=6(y+2)$