21. Find the angle formed by the lines 2x + y - 8 = 0 and x + Зу + 4 = 0. O 30 degrees O45 degrees O 60 degrees 90 degrees

Q: Five workers complete a certain electrical job in 120 hours. How long will it take three workers…

A: Five workers complete a certain electrical job in 120 hours. How long will it take three workers…

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A: The solution is shown in step-2

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A: Since you have posted a question with multiple question, i can solve first question.  please repost…

Q: 14 In the diagram below of isosceles triangle AHE with the vertex angle at H, CBL AE and FD LAE. (2)…

A: We draw perpendicular from vertex H to side AEFigure

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Q: 14. Triangle PQR has angles of 80°, 60°, and 40° as shown in the figure.

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A: As per our guidelines we are supposed to answer only one question , please repost the other question…

Q: 11. Given: Find: PQ, PR, and US are tangent to OC, PQ = 24 cm Perimeter APSU = cm T S R .C

A: Theorem used is as following

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Q: What does the notation A - P - B mean?

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A: Formulas we use surface area of sphere =volume of sphere =Here r is radius of the sphere

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A: The solution is shown in step-2

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A: Since you have posted multiple questions i can do first question as per our company guidelines…

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A: A composite figure is given.The aim is to find the area of the figure.

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A: Using the given graphs, we can determine their transformation.NoteAccording to our guidelines, we…

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Q: 15 8 17

A:

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A: Given C=100, b=20 and a=15To Find: length of side c

Q: 20 6. f(x) = 0 +x, x #0 x a) Complete the table. f(x) -10 -10 -12 -8 -5 -2 -10.5 -9 -12 WORKING: 6…

A: At x = 5,the complete table:x-10-8-5-2-1.61.625810f(x)-12-10.5-9-12-14.114.112910.512

Q: #2 E of r 1 B r อ r A с a) Let ABC be a semicircle centered at 0 with radius r. Find area of SAOB in…

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Q: What is the area of this figure? 12 mi 5 mi 3 mi 3 mi 5 mi 9 mi 6 mi 3 mi 5 mi 3 mi Write your…

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Q: 23) m²A=6x₂m²B = x+20, and mxc =40+ 3x, list the sides of AABC in order from shortest to Longest. a)…

A: As per the guidelines I am supposed to answer one question at a time, Please repost other questions…

Q: 24) find the area and triangle Area = of this compositing vectarg). sq centimeters

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Q: 10) Give the slope intercept form of the equation of the line that is perpendicular то 5х-ау =8 and…

A: If two lines have slopes m and n respectively then m.n= -1.

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A: Given:We are required to find: