How is the sum expressed in sigma notation? 22 +27 + 32 +37 +42 + 47 Enter your answer by filling in the boxes. Σ i = 1

Q: Find the Inverse of Matrix A 5 9 Use D A = 8 3 9. 4 A' = 219 113 119219 + 19

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Q: (12를) 3

A: Since you have asked multiple questions in a single request we would be answering only the first que...

Q: Evaluate tanh^2 (4-4i) sech (2+2i). Express your answer in rectangular form in 4 decimal places

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Q: 00 10 5. 台 %24 3. A is an angle in standard posītion with 7(-20,-21) on its terminal ray. Find sing ...

A: We can find the exact value as below.

Q: 6) y = (3x- 7) Solve by Substitution (Top equation is solved for y.) y = -2x + 4 Substitute the solv...

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Q: cos 8+sin e ) sec 20 + tan 20 cos 0-sin e

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Q: 2) -sin? 0 + 1 = 3sin? 0 %3D

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Q: sin 105° sin(a + 30°) 5.59 4 sin(a + 30°) = 0.692 (a + 30°) = 43.8° a = 13.76°

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Q: 8n-5 6n4+7 The nth term of a sequence is represented by What is the limit of the the nth term as n b...

A: We have to find the limit

Q: Section 11.1 Rational Exponents Simplify each expression. (c³d³\ (c®d² а. b.

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Q: Given the rectangular equation, x^2+(y-2)^2 = 4, describe the graph (shape,size,location) and then c...

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Q: Find the Area of the figure below, composed of a rectangle and a semicircle. The radius of the circl...

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Q: The number of traffic accidents at a certain intersection follows a Poisson distribution with A=2 pe...

A: Using Poisson distribution. 

Q: f (x) = -7.6 sin ( - 2.3) +1.8 What is the amplitude of the function Enter your answer in the box. a...

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Q: On a circle of radius 6 feet, give the degree measure of the angle that would subtend an arc of leng...

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Q: Solve the equation for exact solutions over the interval [0°,360°). 2 cos 20 = - Select the correct ...

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Q: Use a calculator to find the value in decimal degrees. - 1 sin'(-0.4568) sin (-0.4568) = - 1 (Round ...

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Q: Solve the equation for solutions over the interval [o°, 360°). 8 tan 0 cos 0+4 tan 20 = 0 Select the...

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Q: Solve the equation for exact solutions over the interval [0, 2x). 3 cos?x+6 cos x+3 = 0

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Q: Write the equations of the following in terms of the secant function: 15. 16. 17. 31 2. スT -1 ース Wri...

A: Given Question:- Write the equation of the following in terms of secant function.

Q: 9. Prove each identity. cos 0 COS sin 0 = 1 – tan 6 a) cos² 0 + sin 0 cos 0 %3D b) tan? x – sin? sin...

A: we have to prove the given identities

Q: 2) Find the solution to the system by Graphing. State the solution. y = -x + 6 y = 3x - 2 Filin yint...

A: Solution )y = -x + 6 y intercept x = 0 y = 0 + 6 = 6 y = mx + b  m = slope = rise / run  m= - 1  ris...

Q: 11) Solve the system of equations. x+2y-z 6 2x-y+3z=-13 3x-2y+3z=-16 А. (-1,2, -3) В. (-1,-2,3) C. (...

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Q: Given -옮 (1+ 올2 -3 -시, dy 3 (1+ a dx What is the value of k such that y is parallel to the curve y =...

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Q: Consider the following. Find the length of the third side of the triangle in terms of x. Find e in t...

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Q: Simplify (TnA + into an expression without fractions and 1-sin A involving only a single trigonometr...

A: Given, 11+sinA+11-sinA We have to simplify the expression.  

Q: Prove the identity. cos? e csc e + sin(-O) = sin e We will prove the identity by transforming the le...

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Q: -1113, -1094, -1075, –1056, –1037,.. Enter your answer in the box. 75th term =

A: We have to find out 75th term

Q: Which angles are coterminal with an angle drawn in standard position measuring 172°? Select all corr...

A: we have to determine the conterminal angle and Solution below 

Q: f(x)=(x+1s)(x+1) (x+18)(xーリ)

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Q: 2) -sin? 0 + 1 = 3sin? 0 %3D

A: As per our guidelines we are supposed to answer only one question .kindly repost others question as ...

Q: Find a unit vector in the same direction as the vector : a = 8i − 6j

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Q: 3. An offshore lighthouse is 2km from a coastguard station C and 2.5 km from hospital H near the sho...

A: let C be the coast guard station let H be the hospital and L be lighthouse

Q: 4. The perpendicular offset of the PT of a simple curve is 120.20m. If the angle of intersection is ...

A: here given data is  R = 120.20m I = 50' long chord=? long chord = 2Rsin(I/2)                    = 2(...

Q: Give the exact value of the expression without using a calculator. sin 2 cos sin 2 cos (Simplify you...

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Q: From the top of a light-house at a height 20 meters above sea level, the angle of depression of a sh...

A: Use trigonometric ratio, tan(theta) = Perpendicular/Base Note that, side opposite to the angle is ta...

Q: Use reduction formula to evaluate: cos rdr. ædx. Use reduction formula to evaluate: | sinº rdr.

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Q: What is the reference angle for the given angle measure drawn in standard position? Drag an angle me...

A: Refrence angle calculator

Q: Find the exact value of each of the following under the given conditions. a. cos (a + B) b. sin (a +...

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Q: (117° 12. sec

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Q: Find all exact solutions on the interval 0 ≤ x < 2?.(Enter your answers as a comma-separated list.) ...

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Q: Find the area of the sector of a circle with radius 9 inches formed by a central angle of 10°:

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Q: 12 R 12 H.

A: Solution ) from the figure  ∠P ≅ ∠E , ∠L ≅ ∠H  , ∠R ≅ ∠G , ∠Q ≅∠D PLRQ  ~ EHGD So  PL/EH = RL/GH = Q...

Q: The first term of an arithmetic sequence is -12. The common difference of the sequence is 7. What is...

A: We have to find the sum of  first 30 terms of the sequence

Q: What is the period of the function shown in the graph? 10 12 -10.

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Q: If the arcsine of ( x – 2y) is 0.5236 and arccosine of ( 3x – 4y ) is 3.1416, find the value of x. S...

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Q: Which statement correctly defines the trigonometric ratio? O The cosine of an angle is defined as th...

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Q: Given a right triangle 4 ABC and sin A t. What is tan(A)?

A: 1-sin2t = cos2t

Q: Evaluate the integral: VI+2

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Q: Rapunzel is at the top of her tower, looking down at Flynn rider who is running towards the base of ...

A: QUESTION- Rapunzel is at the top of her tower, looking down at Flynn rider who is running towards th...