Questions in mathematics

Questions in mathematics

📝 Answered - Danny sold $2 \frac{3}{6}$ cakes and Ariel sold $8 \frac{2}{3}$ cakes. How many more cakes did Ariel sell than Danny? Give your answer as a mixed number in its simplest form.

📝 Answered - Find all relative extrema of the function. Use the second derivative test where applicable. (If an answer does not exist, enter DNE.) [tex]f(x)=x^4-8 x^3+1[/tex] relative maximum [tex](x, y)=[/tex] relative minimum [tex](x, y)=[/tex]

📝 Answered - Simplify. $\begin{array}{l} \sqrt{80}+\sqrt{20}-\sqrt{18} \\ 6 \sqrt{[?]}-\square \sqrt{\square} \end{array}$

📝 Answered - Which point could represent $\frac{5}{3}$? A B C D

📝 Answered - Which ordered pair comes from the table? | x | y | |---|---| | 3 | 4 | | 4 | 4 | | 5 | 2 | | 6 | 5 | A. (5,6) B. (6,5) C. (2,5) D. (4,3)

📝 Answered - If y varies directly as x, and y is 180 when x is n and y is n when x is 5, what is the value of n?

📝 Answered - A. A candy store has 2 bags of candy that have 10 pieces each and 5 bags of candy that have 6 pieces each. If Ali eats 5 total candy pieces, how many pieces are left? B. A company earns about Rs 288 million in six years. How much does the company earn in 1 month approximately? How many more years would it take the company to make another Rs 576 million? Give an estimate answer.

📝 Answered - Calculate the circumference of a circle of diameter 21cm.

📝 Answered - $\pi, B$ and $C$ are the subset of universal set $U$. If $U=S$ whole number less than $22 S$, $\pi=\Sigma$ natural number less than $6 S, B=$ God number less than $I Z S$ and $C=$ Sprime numbers. (a) If perfect square number is removed from set $B$, what would the elements of (ZUB) $\cap C$ ?

📝 Answered - In a triangle, if an exterior angle is 69° and its opposite interior angles are x and 2x°, find the sizes of each interior angle of the triangle.