An observer standing 18 feet from the side of a building, finds that the line of sight to the top of the building is 65°. Find the height of the building. Round your answer to the nearest foot.

Q: (a) Find Null 1 (b) Find a particular solution 7, of the above nonhomogeneous system. (c) Express th...

A:

Q: 1. Simple Interest (borrowed money) 1. What is the amount of interest of a loan for 154,000 at 6% si...

A:

Q: evaluated at fo as follows. 1 0.5 0.2

A:

Q: 8. Find an inverse modulo 13 of each of the following integers. a) 2 b) 3 c) 5

A: In ques 8, We need to find inverse modulo 13 of given number , a. i.e. to solve ax + 13y =1, where a...

Q: Use a triple integral to find the volume of the solid bounded by x = y and the planes z = 0 and x + ...

A: To find- Use a triple integral to find the volume of the solid bounded by x = y2 and the planes z = ...

Q: For any integer n, either n2 mod 4 = 0, or n² mod 4 = 1.

A: For any integer n, we prove that either n2 mod4=0,  or n2 mod4=1

Q: 1-Cosh

A:

Q: 1. Determine whether the following vectors form a basis for R4.

A:

Q: Find the point at which the line meets the plane. x= -3+5t, y= -2+4t, z 3t, x+y+z= -5 The point is (...

A:

Q: Find the z-coordinate(s) of the inflexion point(s) of the graph of f(z) = 2z-3z2 +1 - 1. %3D

A: It is given that,               fx = 2x4-3x2+x-1  .................(I) We have to find the inflexion...

Q: laplace (sinh“(3t)) ..

A:

Q: The square root of an irrational number is itself irrational.

A:

Q: Consider the function f(x) =. Find a function g(x, n) such that f(x) = og(x, n), and enter this into...

A:

Q: The volume of the solid obtained by rotating the region enclosed by 1 Y = 0, x = 3, and x = 8, x4 ab...

A:

Q: Evaluate the iterated integral. (7 + 14y) dy dx

A:

Q: Problem 21: Determine the point of division nearest to A that divides the line segment from A( 7, -2...

A:

Q: [Ik There exists an ordered basis B of R" such that MB(PU) =

A: Given that U be a subspace of ℝn of dimension k. Consider the orthogonal projection map pU:ℝn→ℝn of ...

Q: ∇f = ⟨0,0⟩ the point P, the function f has a local extreme value at point p. True False

A: if ∇f=0 at point P , then function must have a local extreme value at P.   Statement is True.

Q: Two straight infinitely long and thin parallel wires are spaced 0.1 m apart and carry a current of 1...

A:

Q: Problem 1: Find the equation of the parabola with focus at ( 1, 1) and x = 7 as directrix.

A: Given, Focus = (1,1)  Directrix :  x=7 To find : Equation of parabola  

Q: Using Geometric Progression and given below,

A: The general term in geometric progression is given by an=arn-1 where a is the first term and r is th...

Q: Determine whether the following systems of differential equations are de- generate. In the degenerat...

A: A differential equation is a mathematical equation involving variables such as x and y, as well as t...

Q: у L A. AJKL → AQRS B. AQRS → AJKL C. AJKL → AJKL D. AQRS → AQRS

A: We know that ; If f : A →B  be any function defined by ;     x → fx Then in this case ;            x...

Q: A 20-ft by 30-ft swimming pool is filled with water. The depth is measured at 5-ft intervals, starti...

A:

Q: olve a Related 12 foot ladder is leaning against a wal. If the top of the ladder slides down the wal...

A:

Q: Let a (6,7, –2) and b = (4, 4, –1) be vectors. Compute the following vectors. A. a + b =( 10 11 -3 B...

A:

Q: The directional derivative of the function f: R? → R definida por zy? { (x, y) # (0,0), f(x, y) = 0,...

A:

Q: Find the general solution or particular solution of each of the following DE's . (y²– 2r³) dx – 2xy ...

A:

Q: Determine whether the series of functions E fn converges uniformly: (-1)n+1 Vn+ cos(x) D = (-0, 00)....

A:

Q: A couch with a list price of $3400 will be discounted 35% at the time of purchase. What is the sale ...

A: Ratio and proportion

Q: -21 -4 1 71 A = [4 6 -3 B = 2 C = -8 6 D = 3] 4 A Evaluate (E] where [E] = [A]x [8] 12.5 % B. Find d...

A:

Q: Give the definition of a rhombus and prove that the area of a rhombus is half the product of the len...

A: A rhombus is a special case of a parallelogram, and it is a four-sided quadrilateral. In a rhombus, ...

Q: D Express the following 3 complex form; e u! wof Jejod u! !h + e b.) -3+4:

A:

Q: Comment whether the sequence is Converges or diverges. ii. Obtain the first five terms of that seque...

A:

Q: about

A:

Q: . In a simple model of territory, a single animal defends a circular territory of radius x (miles). ...

A:

Q: Find the radius of convergence, R, of the series. 00 Σ n -(x + 4)" n= 1 R = Find the interval, I, of...

A: Series and sequences: radius of converge and interval of converges

Q: Find the points on the curve of intersection of the ellipsoid x² + 4y? + 4z² = 4 and the plane x – 4...

A: find the points on the curve of intersection of the ellipsoid x2+4y2+4z2=4 and the plane x-4y-z=0 th...

Q: 3. [1 Set up an integral that represents the volume of the solid obtained by rotating the region bou...

A: As per our guidelines, we are supposed to solve only first three subparts. Kindly repost other subpa...

Q: and the equ atioN A If A s an mxn matrix Ax=bb consistent for every ein R", them A has m pivot colum...

A: Solution a) If A is an m×n matrix and the equation AX=b is consistent for every b in ℝm, then A has ...

Q: Consider the nonsmooth function: 1 f(x) = max x; +;|x||², 1<i<K where x E R", x; is the i-th compone...

A:

Q: 19ver. Find y as a function of x if a?y" – 7xy' + 16y = 0, %3D y(1) = –5, y'(1) = –4. y = 1/4(-3*x^8...

A:

Q: olve the initial value problem: t+1 :- и— 1 u' u(0) = -2

A:

Q: y(4) + 18y" + 81y = 0

A:

Q: The following is correct application of Hypothetical Syllogism: [RƆ (QƆ S)) D (C V D) (C V D) Ɔ (QƆ ...

A:

Q: What is the image of (4,-1)(4,−1) after a reflection over the line y=xy=x?

A: Reflection over y=x means:  (x,y)→(y,x)  We need to find reflection of (4,-1) over y=x line .  

Q: Consider the set V of all vectors of the form (x y z)T where x, y and z are real numbers. 3. Show th...

A:

Q: a) Let the function fbe given by: S1, når 0 0 there is partition PE of [0,1] so that for the lesser...

A: Hi! As per the instruction, we will be answering only the first two part. If you need an answer to o...

Q: Kayla starts an IRA at the age 22 to save for retirement she deposits $350 each month. The IRA has a...

A:

Q: mDE = 8.73 in. 10 in. E

A: Given: Arc length = 8.73 in Radius = 10 in