If ZDBC is a right angle and mZCBA = 90°, which statment must be true? A D OABA bisects ZDBC O B. AB = BC OCB is the midpoint of DC. ⒸD m/DBC = 90° B C

Q: Use the Law of Cosines to determine the length of side x: A X с 24 30 30° B

A: NOTE: Refresh your page if you can't see any equations. . here we have a=24 c=30 B=30 b=x

Q: R S is a right angle. TR = 9 and mZR = 88°. Find SR.

A: Given triangle is: m∠S=90∘m∠R=88∘TR=9 To find the length of SR

Q: ABC is an isosceles triangle, with AB = AC. A 13 cm C 9 cm [2]

A: Explanation of the answer is as follows

Q: Find the cosine of angle A.* 16 A 20

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Q: Let a = ci + j andb = 7i + 24j. Find c so that the angle between a and b is. Round your answers to…

A: The objective of the question is evaluate the value of "c" for the given vectors.

Q: d Fill in the chort' use (uso 2 lost 2 coso -) 30° 600 120

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Q: Find the angle between v and w v=i+6j, w=31-4j The angle between v and wis (Do not round until the…

A: The two vectors are:v=i+6jw=3i-4j To Do:We have to find the angle between v and w.

Q: What is the cosine of t? O A. 1 2 O B. V3 O C. 1 V3 O D. 2

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Q: Mo is on a baseball team and hears that a ball thrown at a 44 degree angle from the ground will…

A: Given, Mo is on a baseball team and hears that a ball thrown at a 44 degree angle from the ground…

Q: Find a unit ector In the same direction as v = (18,24).

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Q: Find v⚫u if v=6i + 8j and u = 2i + 6j. OA. 12i+48j OB. -36 O C. 60 OD. 8i+14j

A: given,  v=6i+8j  and  u=2i+6jwe know,  i.i=j.j=1  and  i.j=j.i=0

Q: A drone operator has his drone take off and then start flying due north. The drone flies 45.3 meters…

A: Step 1: Step 2: Step 3: Step 4:

Q: •4 | (625 + 4a²)dæ Find - 2

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Q: In the diagram, OG has a radius of 10 cmand MLAGB = 80° B 10 cm G80° Find the length of AB. A

A: Use the formula for arc length of the circle and simplify after substuting the given values.

Q: Convert to rectangular 2Z– 150° - O -V3- i O -1+iv3 O -V3+ i O -1-i3

A: Given polar form is 2 ∠ -150° So here r = 2 θ = -150°

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Q: Which lists the sides of APOR in order from greatest to least? 104 39° R А. РО, OR, PR C. PR, QR, PQ…

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Q: d1 6 d2 9, 53 c.) Find LB A 8

A: Use the basic properties of parallelogram

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A: Given:- From the top of a building at 87.8m, Super Barry Sees his neighbour Yekkó the Yak Sitting by…

Q: Find a · b. |a| = 9,    |b| = sqrt(14),    the angle between a and b is 45°

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A: Introduction: If a triangle is a right-angle triangle, then the trigonometric formula for this…

Q: 1. Evaluate: -5x° + (64) 16

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