A certain country's postal service currently uses 6-digit zip codes in most areas. How many zip codes are possible if there are no restrictions on the digits used? How many would be possible if the first number could not be 9? How many zip codes are possible if there are no restrictions on the digits used?

Q: Answers 86. 3+ 2. 0- -2+ 1. 1.

A: First writing the equation in terms of sine function: consider the figure shown below: From the…

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A: See the detailed solution below.

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A: Given: -------------------------------------------------------------- To find: K…

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Q: 35) Use the figure to find the value of x. 46 b. x= a. x 4 C. x= 13 d. x 91 (&x-5) (6x+3)

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Q: 50/20=t/4

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Q: 17/3 convert to decimal

A: Given: 173

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Q: 53. -3 3

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Q: 21201 to the power 1/4

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Q: QUESTION 6 Given a =a п п-1 + 2a n -2 with a=2, a,=7. 1 What is A and B if a =A2" +B(-1)" 3 and - 1…

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Q: 3  3/4 x (-2  2/5 ) ÷ 1  2/7  -  3  2/3

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Q: 0²h ÷ 90 O' d

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Q: 7/10 x 25/14 =

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Q: 1/2times 4

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Q: 13. 14 x₁ + 3x₂ = b₁ -2x₁ + x₂ = b₂ : 15. x₁2x₂ + 5x3 = b₁ 16 4x₁5x₂ + 8x3 = b₂ -3x₂ + 3x₂ - 3x3 =…

A: Using fact that system is consistent iff rank(augmented matrix)=rank( coefficient matrix)

Q: Find the missing probability. P(B) = P(A|B) = , P(An B) = %3D 20 %3D

A: To find the missing probability:

Angles in Circles

Angles within a circle are feasible to create with the help of different properties of the circle such as radii, tangents, and chords. The radius is the distance from the center of the circle to the circumference of the circle. A tangent is a line made perpendicular to the radius through its endpoint placed on the circle as well as the line drawn at right angles to a tangent across the point of contact when the circle passes through the center of the circle. The chord is a line segment with its endpoints on the circle. A secant line or secant is the infinite extension of the chord.

Arcs in Circles

A circular arc is the arc of a circle formed by two distinct points. It is a section or segment of the circumference of a circle. A straight line passing through the center connecting the two distinct ends of the arc is termed a semi-circular arc.