25 percent of what number is equal to 5? 20 5 50 40
For Exercises 19-20 , identify which expression has the greater value. 17. 3+4cdot 2 (3+4)cdot 2 18. 12div 6cdot 2 12div (6cdot 2)
Write the fraction (35)/(49) in simplest form. square
Simplify. Write your answer using whole numbers and variables. (r^2-15r+36)/(r-12) square
Solve for v. v+3.1=9.61 v= square
Perform the indicated computation . Write the answer in scientific notation. (15times 10^5)/(3times 10^-2) 5times 10^7 10times 10^7 10times 10^3 5times 10^3
Solve the equation. -12+21=-3(x+4) x= square
. If f(24)=27 and f is one-to -one, what is f^-1(27) f^-1(27)= square
Put these numbers in order from greatest to least. 1.4 40.1 14 0.041 4.1
Expand and simplify using the perfect square expansion rule (a+b)^2=a^2+2ab+b^2 (3x-8)^2 9x^2-24x+64 9x^2+48x+8 9x^2-48x+64 9x^2+64 9x^2-64
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 $
