Questions in mathematics

Questions in mathematics

📝 Answered - How many and of which kind of roots does the equation f(x) = 2x^4 - 9x^3 + 17x^2 - 16x + 6 have? A. 4 real; 4 complex B. 4 real C. 4 complex D. 2 real; 2 complex

📝 Answered - LMNO is a parallelogram, with $\angle M =(11 x)^{\circ}$ and $\angle N =(6 x-7)^{\circ}$. Which statements are true about parallelogram LMNO? Select three options. A. $x=11$ B. $m \angle L=22^{\circ}$ C. $m \angle M =111^{\circ}$ D. $m \angle N=59^{\circ}$ E. $m _{\angle} O =121^{\circ}$

📝 Answered - 1. Solve the following examples. (a) Using any of these number cards, make ten three-digit numbers and read them. (Remember that you cannot have zero in the hundreds place.) Number cards: 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 2. Write the following numbers in words: (1) 325 (2) 549 (3) 667 (4) 782 (5) 890 (6) 401

📝 Answered - What does a confidence interval for a mean provide? Select 2 correct answers: A. An estimate of the population mean B. The exact value of the population mean C. A range of values likely to contain the population mean D. The sample size used in the calculation

📝 Answered - 1440 men had sufficient food for 32 days in a camp. How many men may leave the camp so that the same food is sufficient for 40 days when the ration is increased by 1.5 times? Ten men can assemble 400 cycles in 8 days. How many cycles will 5 men assemble if they work for 16 days?

📝 Answered - Solve this system of equations using the substitution method: [tex] \begin{array}{l} y=2 x+4 \ 4 x-6=y \ ([?], \end{array} [/tex]

📝 Answered - Graph: [tex]y-3=\frac{1}{2}(x+2)[/tex] What is the [tex]y[/tex]-intercept of the graphed linear function? (0,-8) (0,-2) (0,2) (0,4) The correct line is shown.

📝 Answered - Which of the following is an even function? $f(x)=(x-1)^2$ $f(x)=8 x$ $f(x)=x^2-x$ $f(x)=7$

📝 Answered - If you're having trouble clicking the link above, 8. In mathematics, a formula is a(n) A. procedure for calculating area and perimeter. B. expression of the value of the quantity. C. equation with three or more unknown quantitie D. rule for finding an unknown quantity.

📝 Answered - There are 18 girls in a class and the ratio of the number of girls and boys in class is [tex]$3: 2$[/tex]. Find the number of boys.