Please need help asap!!

Answers

Answer 1

Answer:

Draw a line from Y through the center of the circle to the opposite edge. Label the opposite edge T. ZYT = 90o. That's a property of a tangent line and a diameter touching the tangent point.

ZYX = 60o Given

TYX + ZYX = 90o Property of a diameter and circles. That's

TYX = 90 - 60

TYX = 30.

The arc measurement between T and X = 60o Property of a central angle and an angle whose vertex is on the circumference sharing the same endpoints of chord are related by a ratio of 2:1.

The rest of the arc = 120o. The rest of the arc is 180 - 60 = 120. The rest of the arc is XYZ which is 120o

Arc XYZ is bisected by YW. Therefore Arc XW = 120/2 = 60

The answer is A.

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Factorize : a2 + b2 _ 2(ab - ac + bc ).

Answers

(a² + b² - 2ab) + 2ac - 2bc = (a - b)² + 2c(a-b) = (a-b)(a-b +2c)

What is the area of this shape can someone please help

Answers

Answer 10x8=80+3

Step-by-step explanation:

i.d.k 83?????

Why does the amount of water that flows in a river change during the year?

Answers

because of the rain. It can either increase or decrease

Wendy is paid $12 per hour and plans to work between 30 and 35 hours per week.identify the independent and dependent quantity in the situation find the reasonable domain and range

Answers

The dependent quantity would be the $12 per hour, while the independent quantities are 30 hrs/ week to 35 hours/ week.

The $12 per hour would become $360/week to $420/week.

The domain of the problem, with the unit of hrs/week, would be :30,31,32,33,34,35.
The Range of the problem, with the unit of $/week, would be : 360, 372, 384, 396, 408, 420.

Answer:

B. hours worked; weekly pay; 30 to 35 hours; $360 to $420

C. weekly pay; hours worked; 30 to 35 hours; $360 to $420

Step-by-step explanation:

Eiffel tower is 324 m high what would be the height of a miniature which bears a ratio of 1: 4000 with the tower?

Answers

Answer:

0.081 m high

Step-by-step explanation:

324 m/4000 = 0.081 m

The price of oranges went from $.90 per lb to $1.20 per lb in five years. Find the rate of change of the price of oranges.A) $0.30 per pound per year
B) $0.06 per pound per year
C) $0.24 per pound per year
D) $0.18 per pound per year

Answers

Rate is an expression for a change of some unit per unit of time. For this problem, we find the rate of change of the price by a simple equation which is expressed as:

Rate = change in price / change in time
Rate = ($1.20/lb - $0.90/lb) / 5 yrs - 0
Rate = $0.06 per lb per year

Thus, the answer is B.

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