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Answers

Answer 1
Answer:

Answer:

I’ll neve switch on u dxxdy

Step-by-step explanation:


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Quick!!! I need to do my homeworkSolve: x - 1 < 3
(a^3 / 4)^2Simplify

4. Quadrilateral ROPQ is inscribed in a circle. Show all work on no credit. Find x and y. What is the measure of each angle of quadrilateral EFGH? What is the measure of arc HF?

Answers

Answer:

  • x = 55, y = 60
  • E = 70°, F = 120°, G = 110°, H = 60°
  • arcHF = 140°

Step-by-step explanation:

a) The sum of opposite angles of an inscribed quadrilateral is 180°. This lets us use angles E and G to solve for x:

  (x+15) + (2x) = 180

  3x + 15 = 180 . . .simplify

  x +5 = 60 . . . . . divide by 3

  x = 55 . . . . . . . . subtract 5

Similarly, we can use angles F and H to solve for y:

  (3y -60) + (y) = 180

  4y -60 = 180 . . . . simplify

  y -15 = 45 . . . . . . divide by 4

  y = 60 . . . . . . . . . add 15

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b) Then the measures of the angles are ...

  G = 2x = 2·55 = 110

  E = 180 -G = 70

  H = y = 60

  F = 180 -H = 120

The angle measures are ...

  m∠E = 70°, m∠F = 120°, m∠G = 110°, m∠H = 60°

___

c) short arc HF is intercepted by inscribed angle E, so the arc will have twice the measure of the angle.

  arc HF = 2·m∠E = 140°

_____

Comment on the problem

Throughout, the only relation being used is that the measure of an arc is twice the measure of the inscribed angle intercepting it. For opposite angles of the quadrilateral, the sum of the two intercepted arcs is 360° (the whole circle), so the sum of the two angles is 180°.

What’s the correct answer for this?

Answers

A(-3,5) to B(8,1)

That makes a right triangle 8 - -3 = 11 in the x direction, 5 - 1 = 4 in the y direction.

d² = (8 - -3)² + (1 - 5)² = 11² + (-4)² = 121 + 25 = 146

d = √146 = 12.083045973594572

Answer: 12.1

Write the formula for Newton's method and use the given initial approximation to compute the approximations x_1 and x_2. f(x) = x^2 + 21, x_0 = -21 x_n + 1 = x_n - (x_n)^2 + 21/2(x_n) x_n + 1 = x_n - (x_n)^2 + 21 x_n + 1 = x_n - 2(x_n)/(x_n)^2 + 21 Use the given initial approximation to compute the approximations x_1 and x_2. x_1 = (Do not round until the final answer. Then round to six decimal places as needed.)

Answers

Answer:

x_(n+1) = x_(n) - (f(x_(n) ))/(f^(')(x_(n)))

x_(1) = -10

x_(2) = -3.95

Step-by-step explanation:

Generally, the Newton-Raphson method can be used to find the solutions to polynomial equations of different orders. The formula for the solution is:

x_(n+1) = x_(n) - (f(x_(n) ))/(f^(')(x_(n)))

We are given that:

f(x) = x^(2) + 21; x_(0) = -21

f^(') (x) = df(x)/dx = 2x

Therefore, using the formula for Newton-Raphson method to determine x_(1) and x_(2)

x_(1) = x_(0) - (f(x_(0) ))/(f^(')(x_(0)))

f(x_(0)) = x_(0) ^(2) + 21 = (-21)^(2) + 21 = 462

f^(')(x_(0)) = 2*(-21) = -42

Therefore:

x_(1) = -21 - (462)/(-42) = -21 + 11 = -10

Similarly,

x_(2) = x_(1) - (f(x_(1) ))/(f^(')(x_(1)))

f(x_(1)) = (-10)^(2) + 21 = 100+21 = 121

f^(')(x_(1)) = 2*(-10) = -20

Therefore:

x_(2) = -10 - (121)/(20) = -10+6.05 = -3.95

A cut piece of ribbon is 21 inches long. The piece of ribbon is 15% of the original length of the ribbon.How long was the original length of ribbon?

Answers

Answer:

The original length of the rope is 140

Step-by-step explanation:

21x (100/15)

Answer:

140

Step-by-step explanation:

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There are 13 apples in a basket. 4 of these apples are green. The rest are red. what is the ratio?​

Answers

Answer:

9:4 4:13

Step-by-step explanation:

Answer:

a) 9:4  b) 13 : 9

Step-by-step explanation:

13 = total

4 = green

13-4   ( which Is 9) = red

Ratio of red apples to green apples?

9:4

RATIO of all apples to red

13: 9

Peggy is p years old maggie is 1 year less than 1/4 of peggys age what is maggies age in terms of p

Answers

Answer:

1/2m+100

Step-by-step explanation: