Evaluate the following algebraic expression at x=-3,y=-7,z=3 and simplify your answer. (x+y)^2-6z
Use properties of rational numbers to simplify the expression. 55+19.21+37.96 A. 111.16 B. 111.17 C. 112.17 D. 113.27
Solve for y. -3(y+1)=y-4+2(4y+2) Simplify your answer as much as possible. y= square
5) 8x+8y+8z=144 5x+5y+z=62 -9x-9y+8z=-43
What are the two solutions of x^2+49=0 x=square
15) g(t)=4t+4 f(t)=t^2+2t Find (g-f)(8)
9) f(x)=2x+5 g(x)=2x+3 Find (f+g)(x)
2. Which of the powers below would yield the largest answer? A. 1^10 B. 5^3 C. 3^4 D. 10^2
A shop has 60 new Batman comic books in stock.If the shop sells 45 books what percent does it sell?
Combine any like terms in the expression. If there are no like terms, rewrite the expression. 3q^3r+9t^2 square
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 $
