An air filter has a width of 23 inchws and a length of (3x+32) inches. Find the value of x such that the air filter has an area of 391 square inches.

Q: The area of a rectangle is x2 + 4x -12. What are the dimensions of the rectangle (length and width)?

A: Given:The area of a rectangle is x2 + 4x -12.It is known that, for a rectangle,

Q: 4x°

A:

Q: 2x+15

A: A right angle has measure equal to 90∘. If two lines are perpendicular to each other then the angle…

Q: メ 3メ

A:

Q: If the perimeter is 34, find the value of x: 2x+2 4x+3

A: Perimeter of a Rectangle: The perimeter of a rectangle is given by P=2l+b where l is the length and…

Q: To complete the square of x2 - 4x, add______

A: Given x2-4x

Q: The diagram shows two rectangles ABCD and PQRS. AB = (2x + 5) cm, AD = (x + 3) cm, PQ = (x+4) cm and…

A: topic - quadratic equations

Q: Find the value of the unknowns when 2x1 X2 4 x1 + 2x2

A: Find your answer below

Q: Determine all inflection points. - 5x2 f(x) = 5 e x20

A:

Q: Find the value of x. 3.

A: Given a triangle. Lengths of some sides are given. We need to find the value of 'x'.

Q: Find the value of x. 3x *+5

A: Given query is to find the value of x.

Q: What value for a will result in an equation with infintely many solutions? a(x + 5) = 3x + 15

A:

Q: F(x)=x10+2x9+3x8+ .. +9x2+10x +11, and a =1

A:

Q: Find the value of x 135 (4x – 3)°

A: We  have to find value of x. We can represent this figure again.

Q: Find mzPQR. R. (3x + 6) (x+ 2)°

A:

Q: 12) 2x (x12)

A: In this question , you can find the value of 'x' and given that sum of two angles is 90 degree . so…

Q: Find the value of x V3 2

A:

Q: The sum of the measures of LQRT and ZTRS is 180°. (x-10)° (4x + 20)° What is the measure of ZTRS?

A: Sum is 180

Q: Find the value of x. 33 5x 2

A:

Q: The perimeter of a square is ( 24x+36). What is the length of each side. Factor x- 4x-12

A: 3) The perimeter of square is the sum of all sides of square which is given by 4x where x is side of…

Q: Find the value of x. (3x+6)°

A: We can solve this question using the properties of circle as below

Q: Use the method of undetermined coefficients to find a particular solution x" + 8x' + 9x = t³ Xp²

A: Given differential equation is x''+8x'+9x=t3 Let us consider xpt=At3+Bt2+Ct+D be the solution of the…

Q: (x+16) (4x-5)

A: Given : x + 160 and 4x - 50   To find the value of x.

Q: Find the value of x A 3 (x-4)

A:

Q: Find the value of x. 2x 12

A:

Q: f(x) = x° – 13x*- 52x2 + 64

A: Factories

Q: -1 + 14x 12x+ 17

A: From the figure, We have to find the value of x and we know that, Alternate angles are equal.  Using…

Q: (5) The profit for Cocoa Board cocoa beans is given by Π(x)= −15x^2 + 180x − 405 thousand…

A:

Q: Find the Value of X 3x = 27

A: given,     3x=27

Q: Find the value of x. (11x - 5)° (7x + 5)°

A: Consider the handwritten solution.

Q: Find the value of x. 3x+71 5x+371

A: Here from corresponding angles, which must be equal...    5x+37°= 3x+71° 2x =  34°

Q: by the equation: f(x) = - 2x2 - 10x + 9

A:

Q: . A rectangle has a perimeter of 6x + 9x² - 10x +5 and a length of x. Find the width of the…

A: Given: Perimeter of the rectangle is 6x3+9x2-10x+5 and length is x.we need to find the width when…

Q: Find the value of x. 2x% 4x°

A:

Q: Find the produc (2x+5) (x –

A:

Q: Find the value of x 39° (7x – 2)° (17x + 6)°

A: Consider

Q: Use the IVT to show that the equation: x5 + 2x3 +3x- 4 = 0 has a solution.

A: Intermediate value theorem states that if f(x) is continuous in [a, b] and and f(a)*f(b)<0, that…

Q: A soft-drink vendor at a popular beach analyzes his sales records and finds that if he sells x cans…

A: Give Profit function is P(x)=-0.001x2+4x-1900

Q: Find the value of x. (15x = 8) W 226° 0 5

A: Calculate x in following way:-

Q: Find the value of x: 5x - 11 3x + 25

A: We know, If two lines intersect each other, then the vertically opposite angles are equal.

Q: RECT is a rectangle. Find x. (4x-12) (x+ 2)°

A:

Q: Find the value of x. 55° 3x+ 2 13x - 3 F.

A: here use the fact that "the sum of the two interior angles is equals to opposite exterior angle"

Q: Find the area and perimeter of a rectangle if the length is (x+7) and the width is (x+3).

A: Length=x+7width=x+3 Now perimeter is, P=2length+width=2x+7+x+3=22x+10=4x+20

Q: During a nationwide program to immunize the population against a new strain of the flu. Pullic…

A: Given data: The cost of inoculating x% of the susceptible population is approximately:…

Q: Find the value of x that makes A|| B. 2 4 Z1 = 3x – 160 and Z4 = x + 20 x = [ ? ] Enter

A:

Q: Find the value of x. (7x – 1)°

A: Let ∠A=(7x-1)°∠B=(6x-1)°∠A and ∠B form angles in linear pair.

Polynomials

Try substituting 1. You will get 6 and not 0. Try other real values also. What About -2? Let us check.