Questions in mathematics

Questions in mathematics

📝 Answered - y = 2x - 5 Work out the value of y when x = -4

📝 Answered - Kemi changes $480.30 into Naira when $1 = N1,638.65. Calculate the amount Kemi receives. A. N687,862.82 B. N787,862.92 C. N787,043.60 D. N968,461.35

📝 Answered - Select the best answer for the question. 13. Express the fractions $1 / 2, 3 / 16$, and $7 / 8$ with an LCD. A. $4 / 8, 6 / 8$, and $14 / 8$ B. $1 / 4, 3 / 4$, and $7 / 4$ C. $1 / 32, 3 / 32$, and $7 / 32$ D. $8 / 16, 3 / 16$, and $14 / 16

📝 Answered - Solve the inequality: $12 p+7>139$ A) $p>18$ B) $p>154$ C) $p>12$ D) $p>11$

📝 Answered - $4 x-y=5$ Determine the missing coordinate in the ordered pair $\left(?, \frac{3}{2}\right)$ so that it will satisfy the given equation.

📝 Answered - Simplify the following expression: $(\sqrt{3 x}+\sqrt{5})(\sqrt{15 x}+2 \sqrt{30})$

📝 Answered - Find the increase of N240 by ratio $3: 5$. A. 400 B. 60

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

📝 Answered - Which equation is equivalent to $\left(\frac{1}{3}\right)^x=27^{x+2}$? A. $3^x=3^{-3 x+2}$ B. $3^x=3 x_1 x^{10}$ C. $3^{-x}=3^{-x}+2$ D. $y^2=3^{2 x+9}$

📝 Answered - Find the absolute extrema of the function on the closed interval. [tex]y=9 \cos (x), \quad[0,2 \pi][/tex] minimum (x, y)=(\square) maximum (smaller [tex]x[/tex]-value) (x, y)=(\square) maximum (larger, [tex]x[/tex]-value) (x, y)=(\square) Need Help? Read It Watch It Master It