Questions in mathematics

Questions in mathematics

📝 Answered - In the equation $R+14=39$, what is the value of $R$? A) 53 B) 25 C) 24 D) 546

📝 Answered - Given $y =x^3$, find the approximate increase in y when x increases from 2 to 2.02 (a) 0.24 (b) 0.12 (c) 0.48 (d) 0.04

📝 Answered - Solve the equation. $-x+8+3 x=x-6$

📝 Answered - Darius recently obtained a loan for $[tex]15,000[/tex] at an interest rate of [tex]6.8 %[/tex] for 4 years. Use the monthly payment formula to complete the statement. [tex]M=\frac{P\left(\frac{r}{12}\right)\left(1+\frac{r}{12}\right)^{12 t}}{\left(1+\frac{r}{12}\right)^{12 t}-1}[/tex] [tex]M=[/tex] monthly payment [tex]P=[/tex] principal [tex]r=[/tex] interest rate [tex]t=[/tex] number of years His monthly payment for the loan is [ ] , and the total finance charge for the loan is [ ].

📝 Answered - 1) $(x+3)(x+5) \quad x^2+8 x+15$ 2) $(2 x+1)(2 x+5) 4 x^2+12 x+5$ 3) $(3 x-2)(x+4) \quad 3 x^2+10 x-8$ 4) $(5 x+2)(x-3) \quad x x^2-13 x-6$ 5) $(x-9)(2 x-3) \quad 2 x^2-21 x+27

📝 Answered - Form a quadratic equation whose roots are 3 and 4.

📝 Answered - What is the equation of the line that passes through the points (-3,-2) and (1, 6)?

📝 Answered - Pherris is graphing the function [tex]f(x)=2(3)^x[/tex]. He begins with the point (1,6). Which could be the next point on his graph? A. (2,12) B. (2,18) C. (2,7) D. (3,7)

📝 Answered - What ordered pair is the solution to the following system of linear inequalities? [tex]2 x+3 y\ \textless \ 5[/tex] [tex]3 x-7 y \geq 0[/tex] A. (-2,4) B. (3,0) C. (0,2) D. (1,-1)

📝 Answered - Solve the equation $\left(2^{2 x+1}\right)\left(3^{2 x+2}\right)+2^x\left(3^{x+2}\right)-2=0$