Example 4 Try ItI e. (1(1)/(2)-4.5)cdot (0.8+8(1)/(5)) f. (-6.25+2(3)/(4))cdot (4.6-7(1)/(2))cdot 4(1)/(2)
Find the average rate of change of f(x)=(1)/(-4x) over the interval [-5,-1] Write your answer as an integer, fraction, or decimal rounded to the nearest tenth. Simplify any fractions. square
15. What type of triangles has no equal sides and one right angle? isosceles triangle right triangle right scalene triangle right isosceles triangle
Consider the following expression. Step 1 of 2: Estimate the quotient (without a remainder) using rounding numbers. (Note: Use the rounding technique described in this lesson.) Answer How to enter your answer (opens in new window) square
What is ((f)/(g))(x) ? f(x)=-x^2+4 g(x)=x^2+9x Write your answer as a polynomial or a rational function in simplest form. square ,xneq square or square
Write an equation to describe the sequence below. Use n to represent the position of a term in the sequence , where n = 1 for the first term. 3,12,48,ldots Write your answer using decimals and integers. a_(n)=square (square )^n-1
Rewrite .89 as a percentage correctly using the percent symbol. square
9.) (|x|+2 y)/(-|x|) Evaluate x=-4 y=2
Factor the trinomial. 7. 5x^2+26x+5
2. ((3c^2)^4(3c^3))/((3c^3))^(3) work
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 $
