43. PROBLEM SOLVING You spend 8.64 on 12 cans of cat food. Each can costs the same amount and is on sale for 80% of the original price The following week, the cans are no longer on sale .You have 10 Can you buy 12 more cans? Explain your reasoning.
12. There are 92 students in the third and fourth grades at Johnsonville Elementary. Forty-seven of these students are in fourth grade . Write an equation to find how many third graders there are. Use a question mark to represent the unknown number and solve.
Find the value of sqrt [3](27) square LI
Choose the true statement. -8=8 -8gt 8 -8lt 8
Question Evaluate 7m^2+5n^2 when m=2,n=3 Provide your answer below:
Find the midpoint of the segment with the following endpoints. (9,-6) and (5,4) square
14. (5)/(8)=(3)/(4)b-(7)/(12)
13. Is sqrt (1,815) rational? Explain
A. Communicate and Justify How do you think Sofia used Nora's results to make her estimate? Thinking and Reasoning Communicate and Justify Explain how to represent your best estimate as 8 rational number in the form (a)/(b) where a and 6 are whole numbers. B. Choose Efficient Methods Find a closer estimate for the side lengt of a square with area 10 units.Use number sense to make good estimates. Then use a calculator to check your estimates efficiently.
Detérmine which number has a lesser magnitude. 4. 1 and -6 __ 6. -20 and -30 __ 5. -2 and 10 __ 7. -4 and -5 __
Apply the distributive property to the expression. $100(0.07a+0.02b)=\square $
51. Find the volume of a pyramid with a square base, where the perimeter of the base is 15.8 ft and the height of the pyramid is 20.4 ft. Round your answer to the nearest tenth of a cubic foot.
4) $v^{1}=$ A) 0 B) 1 OC) v OD) $1/v$
What is the range of the function graphed above? $-\infty \lt y\leqslant 2$ $-\frac {3}{2}\leqslant y\lt \infty $ $-\infty \lt y\lt \infty $ $\{ 2\} $
2. You are inscribing a regular pentagon in a cIrcle. You need to know the angle measure between the vertices. You divide $360^{\circ }$ by what number? 3 s 6
Which equation represents a line that has a slope of $-\frac {1}{2}$ and passes through point $(4,-5)$ $y=-\frac {1}{2}x+\frac {3}{2}$ $y=-\frac {1}{2}x+\frac {13}{2}$ $y=-\frac {1}{2}x-7$ $y=-\frac {1}{2}x-3$
Smartphones: A poll agency reports that $38\% $ of teenagers aged $12-17$ own smartphones. A random sample of 120 teenagers is drawn. Round your answers to at least four decimal places as needed Part: 0/6 Part 1 of 6 (a) Find the mean $\mu _{\hat {p}}$ The mean $\mu _{\hat {p}}$ is 45.6000 Part: 1/6 Part 2 of 6 (b) Find the standard deviation $\sigma _{\hat {p}}$ The standard deviation $\sigma _{\hat {p}}$ is $\square $
1. If $x+3=7$ then x equals: A. 3 B. 4 C. 5 D. 10
Find the angle $\beta $ between $0^{\circ }$ and $180^{\circ }$ that satisfies the following equation. $21^{2}=20^{2}+29^{2}-(2)(20)(29)cos\beta $ $\beta \approx \square ^{\circ }$ (Round to one decimal place as needed.)
Solve the equation given by completing the square. $5x^{2}+20x-25=0$ [Hint: Divide by 5 first] $x=\square $
