a. Write the intercept form. (-4,0),(0,0) and (-2,20)
Select all the equations where b=11 is a solution. Choose 2 answers: A 2b=211 b+18=7 C 77=7b D 9=b-2 11=33div b
6. Solve the absolute value equation: vert 3b+4vert -8=20
Use the formula S=(n(n+1))/(2) to find the sum of 1+2+3+... +895 1+2+3+... +895=square (Simplify your answer.)
8. Solve the equation: -3(8-2x)=-6x+6(x+2)
10. A straight line passes through P(7,23) and R(-4,1) Find the equation of the line in the form ay+bx+c=0
Find the median and mean of the data set below: 44,8,30,40,36
3. Find the solution set for the absolute value. vert 3u-6vert =42
If f(x)=x^2-1 , which of the following ordered pairs are on the graph of f(x) ? Select all that apply (2 points) (0,1) (1,0) (3,5) (5,24) (-2,3) (-4,-17)
Simplify by combining like terms 5a+2b-3a+4 2a+2b+4 8a+2b+4 8ab 4ab+4
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 $
