Questions in mathematics

Questions in mathematics

📝 Answered - Two Below store sells every item for $2 less than the suggested retail price. If $y$ is Two Below's price and $x$ is the retail price, which equation fits? $y=x+2$ $y=x-2$ $y=x+2$

📝 Answered - John sells frozen fruit bars at a stand in a park during the summer months. He records the average weekly temperature and number of frozen fruit bars sold for 6 weeks. | Temperature (°F) | Fruit Bars Sold | |---|---| | 67 | 50 | | 71 | 54 | | 76 | 63 | | 76 | 65 | | 82 | 65 | | 87 | 100 | What type of correlation exists between the temperature and the number of fruit bars sold? What is the real-world meaning of the slope of the line of best fit for the given scenario? There are approximately _ more fruit bars sold for every _ degree(s) the temperature rises.

📝 Answered - What is the volume of a cube that has a side length of 5 centimeters? Recall the formula [tex]V=s^3[/tex].

📝 Answered - $2 \frac{4}{7} \times \frac{11}{12} \div\left(-1 \frac{1}{21}\right)$

📝 Answered - A pair of standard dice are rolled. Find the probability of rolling a sum of 6 with these dice. [tex]P\left(D_1+D_2=6\right)=\frac{[?]}{}[/tex]

📝 Answered - Which statement best describes how to determine whether $f(x)=x^4-x^3$ is an even function? A. Determine whether $(-x)^4-(-x)^3$ is equivalent to $x^4-x^3$. B. Determine whether $\left(-x^4\right)-\left(-x^3\right)$ is equivalent to $x^4+x^3$. C. Determine whether $(-x)^4-(-x)^3$ is equivalent to $-\left(x^4-x^3\right)$. D. Determine whether $\left(-x^4\right)-\left(-x^3\right)$ is equivalent to $-\left(x^4+x^3\right)$.

📝 Answered - T(d) is a function that relates the number of tickets sold for a movie to the number of days since the movie was released. The average rate of change in T(d) for the interval d = 4 and d = 10 is 0. Which statement must be true? A. The same number of tickets was sold on the fourth day and tenth day. B. No tickets were sold on the fourth day and tenth day. C. Fewer tickets were sold on the fourth day than on the tenth day. D. More tickets were sold on the fourth day than on the tenth day.

📝 Answered - $4 \frac{1}{8}-2 \frac{5}{8}$

📝 Answered - Which expression is the factorization of [tex]x^2+10 x+21[/tex]? [tex](x+3)(x+7)[/tex] [tex](x+4)(x+6)[/tex] [tex](x+6)(x+15)[/tex] [tex](x+7)(x+14)[/tex]

📝 Answered - Based on the value of the discriminant, how many real solutions does 12z² + 5z + 4 = 0 have?