A group of 50 teachers and school administrators attended a convention. If any two persons are picked at random, at least one of the two would be a teacher. From this information, what percentage of the people at the convention were teachers?

Q: Consider the following piecewise-defined function. if x 7 Step 3 of 3: Evaluate this function at x ...

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Q: Identify the transformation of the function from the parent function. y = V3(1- z) -4 3 2 1- 3. 4 5 ...

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Q: 7. For whit value of b will the line y =- y 3x +4x -1? 2x+ b be tangent to the parabola

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Q: Perform the given set operation. Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. (Enter your answers as a c...

A: Given that U=1,2,3,4,5,6,7,8,9,10   and  we have to perform the given  set operation                ...

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A: It is given that player get sucess in his throw 4 out of 24.    that means probablity of success is ...

Q: What is the equation of the straight line whose nearest point to the origin is (-6, 4). O 2y+ 3x- 26...

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Q: 1. 2 - 2 = 20 2. = 24 3. 2-3.e-3 = 10 %3D State what each variable may be so that each equation is t...

A: This question is based on exponential function.

Q: Find the angle between the planes 2x + y- 3z 2 and -x + 2y - z= 1.

A: We can solve the given problem as follows:

Q: Sv-15 What is the quotient of v2- 6v +9 v2 +v-12 ? +4 A. ++3 B v+4 C. v-3 y+4 D. y-3

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Q: 10. You are given a 200 meters of fencing material and asked to enclosed a rectangular lot with 8-me...

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Q: Determine whether the set, together with the indicated operations, is a vector space. If it is not, ...

A: If a set S is not closed under addition and scalar multiplication, then S does not form a vector spa...

Q: What is the midpoint of the segment plotted on the number line below? 十 1

A: Midpoint = first point + last point2from  given number line first point =-6last point =4

Q: yo Ğ frã -x-92 - 25? |

A: given :f(x)=x-x2-9x-255substitue x=1 in above equationf(1)=1-12-9(1)-255

Q: 4x² + 4xy + y2

A:

Q: A school wishes to enclose its rectangular playground using 160 meters of fencing. Suppose that a si...

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Q: 1. The vertex point of the quadratic function f(x) = -2(x - 3)? – 4 is given by: A) V(-2,3) C) V(-2,...

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Q: (4r2 – 6x + 3) + (2x² + x – 8)

A: Let us consider an expression, (ax²+bx+c)+(-dx²-ex+f) = (a-d)x²+(b-e)x+(c+f)  This is the required s...

Q: (1 point) Find the area of the region enclosed between f(x) =x - x+ 27 and g(x) = 2x - 3x + 3. Area ...

A: Find your answer below 

Q: Which of the following can best be described as a diameter in the circle? A

A: The given figure is:

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Q: You decided to buy a TV set on an installment basis. agree to pay 2, 999 every end of the month, wit...

A: To find: The amount of payments after 18 months. Given information: A person buy TV set on an instal...

Q: All sides in a regular polygon must be congruent. To True O False

A: A polygon which has all sides mutually congruent and all angles mutually congruent is called a regul...

Q: Q5) Find the equation of a plane containing Po (1, 2, 3) and perpendicular to n=.

A: Given problem:- Find the equation of a plane containing Po (1, 2, 3) and perpendicular to n=<1,-1...

Q: If A = 2 4 and B find: (а) АВ (b) А + B" (с) 2A' - В

A: Topic:- matrix algebra  Note:- as per our guideline if more than three subparts than  only first thr...

Q: A school wishes to enclose its rectangular playground using 160 meters of fencing. Suppose that a si...

A: One side is x The other side wiil be 160-2x2a) Area A(x)=x×(160-2x2)   A(x)=160x-2x22    A(x)=80x-x2

Q: F(x) = 1 -. What is the only value of x not in the domain 5л + 5

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Q: Jessica is flying a kite directly above her head. The distance from Jessíca to the kite can be repre...

A: Given:

Q: 8- A Solid Con sist of a cone of aradius r and height hi and a cylinder of radius r and height ha. t...

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Q: 2. the live in IR and haring Passing through He oryin as it's divechor vecter intersects the line so...

A: The line in IR3 passing through the origin and having 1u3 as it's direction vector intersects the li...

Q: 5x +5 6-6x

A:

Q: Q5) Find the equation of a plane containing Po (1, 2, 3) and perpendicular to n=.

A: Solution is given below:

Q: One card is randomly selected from a deck of cards. Find the odds against drawing a spade greater th...

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Q: the folfowing expression. 3x 1 x+4 x-1 What is the sum, and what are the restrictions for x? 3x +1 3...

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Q: Solve the following system of equations using the Gauss elimination method: 3a + b + 2c + 4d = 1 a +...

A: Please see the below picture for detailed solution. 

Q: Consider the following function. m(x) = -4 + 3|x- 1| Step 1 of 4: Determine the more basic function ...

A: Given data÷

Q: 4. Solve the following system of equations by elimination: 4.x + 5y = 34 12x – 10y = 52

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Q: Problem 21. Prove that a real number y is computable if and only if there is a computable function f...

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Q: The point (14,22) is the midpoint of A and B. Given that A is located at (6,12), solve for the locat...

A: Solve the following

Q: What is 10 + 13

A:

Q: 11 A-/5 ー4 -2 3 B= -4-2 2. 2-3-1 1 Find the determinant of Ax AT

A: First we need to calculate AAT and then we need to find the determinant of the obtained result.

Q: Use the context clues to fill in the appropriate name for each of the number figures in the figure b...

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Q: 2. Solve the following system of equations by graphing YS-r + 2 y = -2x – 1

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Q: За? — 12 - Graph x2 – clearly showing all asymptotes. 3. x – 12 4 1 -7 -6 -5 -4 -3 -2 -1 1 -1 -2 -3 ...

A: Let's find. 

Q: atrix or the inverse of the given matrix by definition A*A-1 = A

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Q: g(x)=3x2-6x+1  Find the vertex and the x and y intercept

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Q: 5. (5 + 2V5)(7 + 4V5)

A: Given query is to multiply the expression.

Q: Which of the following is the best way to classify the following triangle based on it's appearance? ...

A: From given figure we can clearly see two sides are equal hence the triangle is isosceles triangle.  ...

Q: Let g(x) = 3x2 + 5x + 2, find the following: %3D a) g(1) b) g(36)

A: Solving the problem by finding the value of g(1) & g(3b)

Q: 21. A beaker holding 1.5 litres of water is placed in a temperature controlled room so that 120 mL o...

A:

Q: Read the foilowng queohon below and Choose the correct answew' What is a divecton vector for He inte...

A: We need to find the direction vector. NOTE - As per Bartleby's guidelines we can only solve one ques...