15. Find cot (B). с 4 B O cot (B) = 4 Ocot (B) 1 3 O cot (B) = 12 cot (B) = 3 - 12 A

Q: 6. In circle 0, MLAED = 110, mAD = 5x +5 and mBC = 4x- 10. What is the value of x? %3D %3D A

A: We have to find x

Q: 1) J²₁+ 2y² + 103 = 3x² 2

A:

Q: 8. Explain, without solving, why -2 = V-5æ - 6 has no solution.

A: Our Aim is to show that -2=-5x-6 -(i) has no solution.

Q: 9. How many triangles are formed from three sticks with lengths 32, 21, and 11 inches? А. 0 В. 1 С.…

A: The solution of the problem is given in the next step.

Q: 1. Two planes leave at the same time. One flies west at 300km/hr. the other flies east at 450 km/hr.…

A: Speed of plane 1:  s1 = 300 km/hr Speed of plane 2:  s2 = 450 km/hr

Q: 8. A jewelry box is shaped like a triangular prism. Each base of the prism is an equilateral…

A: Given a jewelry box  in the shape of the triangular prism The bases of the box are equilateral…

Q: What will it cost to tile a rectangular floor measuring 255 feet by 28 feet if the tile costs $16…

A: To find the cost of tiling the floor

Q: 1.) A motorbike can travel 34.5 km/s per day if he travels 45.8 km/s again on the next day, find the…

A:

Q: 20) -0.6 Equation:

A: given,

Q: -2x The value of fe 2 dx is a. None -2x b. e -2 + C c. – 2e-2a + C o d. E +C -2x e. 2e-2a + C

A:

Q: If det (AB²) = 24 and det(AB) = 8, what is det (BT) equal to?

A: Note that, det(AB)=det(A)×det(B)

Q: A dartboard is divided into 9 equal-size sectors, numbered 1 through 9. A player throws a dart…

A: Solution:-

Q: Find -9 + -3 + 3 + 9 + 15...+51. a. 231 b. 384 C. d. 312 385 е. 296

A: We have to find : -9+(-3)+3+9+15....+51 i.e. the sum of the series -9,-3,3,9.......51 Let's assume…

Q: 3. y" – 10y' + 34y = 3x² + x – 1

A:

Q: Find a if E=2 3a" = 167,940 9. а. b. 4 с. 8. d. е.

A: We can calculate for the sum of series

Q: a) When will the concentration of pollutant in the pond reach 6 kg/m³? b) What will happen to the…

A: The answer of 13 (a) and (b) is :

Q: %3D f = 10 cm , p = 6 cm 1 1 b

A: To find: The value of q, if f=10 cm and p=6 cm from 1q=1f-1p. Calculation: Substitute f=10 cm and…

Q: 26. A = 2î + 25 27. B = -2î + 2ĵ 28. Č = 3î + j y 24 24 1. -3 -2 -1 32 -1 -1 -3 -2 -1 3. 2. -1 -1 -2…

A:

Q: 3 If a line worker can install 28 insulators in 18 hours, how many insulators should they be able to…

A: A line worker can install 28 insulators in  hours

Q: 17. m/1 m/3 = (3x+20)° and m/2 = (5x+8)° مر محمد 1/2 5/6 3/4 7/8

A:

Q: 13. Two airplanes depart from the same place at 2:00 p.m. One plane flies south at speed of 376…

A:

Q: 2b. y" - xy'+y = 0 A. y = x? В. у %3Dх C. y =1-x? D. y = 2x? –1 Е. у %3D0

A: For the solution of the problem follow the next steps.

Q: i ита + 6.5 √ū du

A:

Q: 4) Your friends are bored making sand castles and decide to play with a beach ball they found in the…

A:

Q: ESTION In what proportions should one mix hazelinuts at $24/g with almonds at $40/kg to obtain a…

A: Given total mixture = 200 kg Hazelnuts = $24/kg    Almonds= $40/kg Let x kg of hazelnuts and (200-x)…

Q: 10x 4x- 1 5x D. 10x 10x 3x +1 2x +3 10x E

A: A rectangle has two of its opposite sides are equal and a square has all of its four sides equal. So…

Q: Fml the FFouriergeniel from Ret)uhicheigdefindas

A:

Q: 33. You want to wallpaper the walls of a square room 5 × 5 m side using 40 cm high and 10 m long…

A:

Q: What are the solutions of 10x +27x² – 55x - 12? 13土7i O x = -4, 10

A:

Q: 130. у — In (r² + 1) dt

A: We have to find the integration

Q: number 25

A: We can find the total area of the shaded region (the area between the outer and inner circles), by…

Q: 18. In the photograph of a father and his daughter, the daughter's height is 2 cm and the father's…

A: Given that, In a photograph of a father and his daughter, the daughter’s height is 2 cm and the…

Q: 19) Under normal conditions, Jacob's Jetta can go 600 miles on a full tank (15 gallons) and 280…

A: 19) Given that, Under normal conditions, Jacob's Jetta can go 600 miles on a full tank (15 gallons)…

Q: 4. Simplify the following: Note: m=7 n=8 (x³ y4 z=7)(m+4) x" Vy4 z? (x³ y)0 x yz x³ y-2 z7

A:

Q: 4. х у x²y³ -2..-3 у

A: Given:         x4y39x-2y-3  simplify:           =x4y139x-2y-3           =x4y3x-2y-3

Q: 16. I find that it will take 340 cubic feet of mulch to complete the project I have planned.…

A: Remember:1 yard = 3 feetHence,1 yard3 =(3 feet)3 =27 feet31 cubic yards= 27 cubic feet