Evaluate the following expression. -3^2+2^2+(5^2-23) -3^2+2^2+(5^2-23)= square
Perform the Indicated operation. 3(4)/(7)+(1)/(7) 3(4)/(7)+(1)/(7)= square (Simplify your answer. Type an integer, proper fraction or mixed number.)
11. Organize the results in a two-way table.Include the marginal frequencies. You conduct a survey that asks 32 students in your class whether they have pets or siblings. The results show that 21 of the students surveyed have siblings, 13 have pets, and 4 have no siblings or pets.
If f(x)=-8-x for what value of x is f(x)=-11 -19 3 19 -3
Points A, B, and C are collinear, and B lies between A and C. If AC=48,AB=2x+2 and BC=3x+6 what is BC? BC=square
Solve the system by elimination. -11x-4y=36 -10x-10y=20 x= square y= square
6) -(2x^3y^2)/(y^2)cdot (2x^(3)^4)
Solve this inequality and select your answer from the choices given. (x-3)/(2)gt -5 After you pick your answe press GO. A. xlt -13 B. xgt -7 C. xlt -7 D. xgt 0 Ell xgt -13
Factor the trinomial. x^2+10x-39 square
10) The second angle of a triangle is the same size as the first angle. The third angle is 12^circ larger than the first angle. What is the angle measurement of the third angle?
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 $
