Select the correct answer. What is the solution to this equation? 9^x-1=2 A. 1 B. -(1)/(2) C. 2 D. (1)/(2)
25. What happens when alternate interior angles are congruent between two lines cut by a transversal? Lines are parallel Lines are skew Lines intersect Lines are perpendicular
Simplify (12y^7)/(18y^-3) Assume yneq 0 . (y^10)/(6) (2)/(3y^10) (2y^10)/(3)
Write 0.9 as a fraction. Do not try to simplify your answer. square
Find the range of the following set of numbers: 62,21,8,45,65,12,56 8 45 57 65
Perform the following operations on these complex numbers. 9(cos45^circ +isin45^circ )cdot 11(cos45^circ +isin45^circ ) [?](cossquare ^circ +isinsquare ^circ )
10. The manager of a food court estimates that he needs 7 pretzels for every 20 people who attend a hockey game What constant of proportionality relates the number of pretzels to people? A 0.35 B 2.86 C 35 D 140
68% of the normal distribution lies within __ standard deviation of the mean. one two three zero
26) -10(x-7)-7(x+2) 28) 9(7k+8)+3(k-10)
If x+7=10 , then x= 17 69 70 71 none of these
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 $
