Select the correct answer. What is this expression in simplified form? 5sqrt (2)cdot 9sqrt (6) A. 90 B. 45sqrt (3) C. 45sqrt (2) D. 90sqrt (3)
Consider the system of linear equations 2y=x+10 3y=3x+15 Which statements about the system are true? Check all that apply The system has one solution The system graphs parallel lines Both lines have the same slope Both lines have the same y-intercept The equations graph the same line The solution is the intersection of the 2 lines
What are the domain and range of f(x)=logx-5 domain: xgt 0 range; all real numbers domain: xlt 0 range: all real numbers domain: xgt 5 range: ygt 5 domain: xgt 5 range: ygt -5
Divide. 98div 13=square remaindersquare
Order the following choices from least to greatest. equiv 3^2 equiv 2^3 equiv (-1)^7 equiv (-5)^2
What is the simplified value of the exponential expression 16^(1)/(4) (1)/(2) (1)/(4) o 2 4
Write the sample space when two coins are tossed. (H,H),(H,T),(H,H),(T,T) (H,H),(H,T),(T,H),(T,T) (H,T),(T,T),(T,H),(T,T) (H,H),(H,T),(T,H),(H,T)
8. What value of x makes this equation true? 3x-17=2x-5x+8
Solve for y. x+y=8 x=5 Simplify your answer as much as possible. y= square
Solve: 23e^2=368 pm 8 pm 4 pm 6 No real solution
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 $
