Perform the indicated matrix operation, if possible. [} -2x+2y&-5x+y 7x-4y&5x-5y ] Select the correct choice below and, if necessary,fill in the answer box to complete your choice. A. The resulting matrix is square . (Simplify your answer.) B. The matrices cannot be added.

Determine the domain of the function of two variables. g(x,y)=(8)/(y-6x^2) (x,y)vert yneq square

5. Given f(x)=-3x^2+10 what is the value of f(-2) A. -26 B. -2 C. 22 D. 46

Suppose that A and B are angles in standard position . Use the given information to find (a) sin(A+B) , (b) sin(A-B) , (c) tan(A+B) , (d) tan(A-B) , (e) the quadrant of A+B and (f) the quadrant of A-B cosA=(12)/(13) and sinB=-(15)/(17),(3pi )/(2)lt Alt 2pi ,(3pi )/(2)lt Blt 2pi (a) sin(A+B)=-(220)/(221) (Simplify your answer,including any radicals . Use integers or fractions for any numbers in the expression.) (b) sin(A-B)=(140)/(221) (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) (c) tan(A+B)=-(220)/(21) (Simplify your answer,including any radicals . Use integers or fractions for any numbers in the expression.) (d) tan(A-B)=square (Simplify your answer,including any radicals . Use integers or fractions for any numbers in the expression.)

What is the approximate area of a circle with a diameter of 10 in? A. 15.7in^2 B 31.4in^2 C. 78.5in^2 D. 314in^2

ex) Solve sqrt(5 x+(3)/(10))+7=0

A line passes through the point (-6,6) and (-6,2) In two or more complete sentences, explain why It is not possible to write the equation of the glven line in the traditional version of the point-slope form of a line. Type your answer in the box provided to submit your solution.

Convert the following equation to Cartesian coordinates. Describe the resulting curve. rsinTheta =5 The Cartesian equation is square (Type an equation.)

Find the degree to th nearest tenth and direction of the vector. [} 10 24 ]

Use the order of operations to simplify the expression. 7.77-3.8(10.4)div 6.4 7.77-3.8(10.4)div 6.4=square (Type a whole number or a decimal.)

Hot Questions

Evaluate the expression. $\frac {C(8,6)\cdot C(9,7)}{C(13,9)}$ $\square $

Simplify the expression: $-5(-6+2x)=$ $\square $

Find the area of the region that lies inside both curves. $r=3sin(\Theta ),\quad r=3cos(\Theta )$

Note: You may need to assume the fact that $\lim _{M\rightarrow \infty }M^{n}e^{-M}=0$ for all n. Decide whether or not the given integral converges. $\int _{0}^{\infty }e^{-5x}dx$ The integral converges The integral diverges. If the integral converges compute its value. (If the integral diverges enter DNE.) $\square $

What is the slope of the line that passes through the points $(-5,-9)$ and $(-5,-13)$ ? Write your answer in simplest form. Answer $\square $

Evaluar la expresión para $b=1.6$ $2\cdot b+3\cdot b$

Solve the equation, and check the solution. $\frac {1}{4}(3x+5)-\frac {1}{5}(x+7)=7$

Find an equivalent expression for $3csc(x-\frac {\pi }{2})$ using the cofunction identities. $3csc(x-\frac {\pi }{2})=\square $ (Simplify your answer.)

Use the trigonometric function values of quadrantal angles to evaluate the expression below $(cos180^{\circ })^{2}-(sin0^{\circ })^{2}$

Use the trigonometric function values of the quadrantal angles to evaluate. $4cot270^{\circ }+3csc270^{\circ }$ $4cot270^{\circ }+3csc270^{\circ }=\square $ (Simplify your answer. Type an integer or a fraction.)