MATHEMATICS HIGH SCHOOL

An arc on a circle measures 85°. The measure of the central angle, in radians, is within which range?0 to radians to π radiansπ to radians to π radians

Answers

Answer 1

Answer:

The measure of the central angle is within 0 to π radians.

Equation

An equation is an expression that shows the relationship between two or more variables and numbers.

Angle in radian = angle in degrees * π / 180

Given that the angle = 85°, hence:

Angle in radian = 85 * (π/180) = 0.472π rad

The measure of the central angle is within 0 to π radians.

Find out more on Equation at: brainly.com/question/13763238

Answer 2

Answer:

Answer:

the answer to this is A

Step-by-step explanation:

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Consider the following pair of equations: x + y = −2 y = 2x + 10 If the two equations are graphed, at what point do the lines representing the two equations intersect? (−4, 2) (4, 2) (−2, 4) (2, 4)
5x + 2y = 7 10x + 4y = 14
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PLEASE ASAP.. what is the volume.? Show your work

Answers

Step-by-step explanation:

The length, breadth and height of the solid is not equal, so it's a cuboid

Volume of a cuboid is calculated by productoflength,breadthandheighti.e. V = lbh $.$

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A rectangular room is 6 yards long an 12 feet wide. Find the perimeter in feet. Then find the perimeter in yards.

Answers

i believe for the perimeter for ft. it is 60 and for yards it is 20 not sure if right though :)

1 yard = 3 feet

thus, (6)(3)(2) + (2)(12) = 60 feet.

Thus the perimeter in feet would be 60 feet.

as 1 yard = 3 feet,

the perimeter in yard would be 60/3 = 20 yards

Find the exact roots of x^2+10x-8=0 by completing the square

Answers

From the original equation x^2+10x-8=0, move the loose number on the other side. Your new equation will be x^2+10x=8. Moving an element from one side to another reverses its sign. From -8 to +8. Then take half of the x-term and square it and add it on both sides. X-term is 10x and 10 is the number, half of it is 5 then square of 5 is 25. Add 25 on both side. Your new equation will be x^2+10x+25=8+25. Then complete the square form of the left side of the equation, (x+5)^2=33. Square root both side then you will get x+5=squareroot of 33. Your x = -5 plus/minus squareroot of 33.

What is the value of z so that -9 and 9 are both solution of x^2+z=103-22
3
22
184

Answers

22 because -9 and 9 squared is 81 subtract that from 103

Answer:

Step-by-step explanation:

Solve with completing the square method:
6x²-7x+2=0 and ax²+bx+c=0

Answers

$6x ^2-7x+2=0\n \n a=6 , \ b = -7 , \ c=2 \n \n\Delta = b^(2)-4ac = (-7)^(2)-4*6*2=49-48=1 \n \nx_(1)=(-b-√(\Delta ))/(2a) =(7-√(1))/(2*6)=(7-1)/(12) =(6)/(12)= (1)/( 2)\n \nx_(2)=(-b+√(\Delta ))/(2a) =(7+√(1))/(2*6)=(7+1)/(12) =(8)/(12)= (2)/( 3)$

What is the value of the expression z-4/-8 when z = –28?

Answers

Hello,

(-28-4)/(-8)=-32/(-8)4

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