Estimate. 19.9times 5.8approx Choose 1 answer: A 12 B 120 C 1200 D 12,000
Factor completely. 5x^2+20x-60=square Related content Factoring quadratics with a common factor Factoring completely with a common factor
Find the product. -7(8+k) -56+7k -7k+56 -7k-56
20. For the function g(x)=x^2-6 what is the value of g(3) -3 0 3 9
Solve 5x^2=6125 Give only the positive root. 65 25 35 No real solution
Simplify (-6a^3b^-1)/(36ab^2) -6a^2b^3 -(a^2)/(6b^3) -(a^2b^3)/(6) -(6a^2)/(b^3)
Expand the expression to a polynomial in standard form: (4x+9)(-x^2-3x+1) Answer Attemptiout of 2 square
Instructions Factor the polynomial expression. x^2-7x-60 Answer: square
To solve this system of equations using substitution, what could be substituted in place of y in the first equation? 4x=5-2y y-2x=7 A. 7-2x B. 4x-5 C. (5-4x)/(2) D. 2x+7
Select all the correct answers. Simplify (x^-3)^(1)/(3) x^-1 x^9 (1)/(x^9) (1)/(x)
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 $
