Answer this please, I really need help

Answers

Answer 1

Answer:

21x>2 should be the answer

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Shane has a segment with endpoints C(3, 4) and D(11, 3) that is divided by a point E such that CE and DE form a 3:5 ratio. He knows that the distance between the x-coordinates is 8 units. Which of the following fractions will let him find the x-coordinate for point E?a. b. c. d.
Give away say thank youfirst gets the brain

Triangle UVW is drawn with vertices at U(−1, 1), V(0, −4), W(−4, −1). Determine the coordinates of the vertices for the image, triangle U′V′W′, if the preimage is rotated 90° counterclockwise

Answers

The coordinates of the vertices for the image, triangle U′V′W′, if the preimage is rotated 90° counterclockwise include the following:

U' = (1, 1).

V' = (-4, 0).

W' = (-1, 4).

What is a rotation?

In Mathematics and Geometry, the rotation of a point 90° about the center (origin) in a counterclockwise (anticlockwise) direction would produce a point that has these coordinates (-y, x).

By applying a rotation of 90° counterclockwise to the vertices of triangle UVW, the coordinates of the vertices of the image are as follows:

(x, y) → (-y, x)

Ordered pair U = (-1, 1) → Ordered pair U' = (1, -(-1)) = (1, 1).

Ordered pair V = (0, -4) → Ordered pair V' = (-4, -(0)) = (-4, 0).

Ordered pair W = (-4, -1) → Ordered pair W' = (-1, -(-4)) = (-1, 4).

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Evaluate : (25)^1/2. Please solve.

Answers

Answer: 5

Use formula:
$\textbf{a^{(m)/(n)} = \sqrt[n]{a^(m)}}$

Then you’ll get:

, and this is equal to 5.

Fill in the blank to make the expression a perfect square.
v^2 - 18v + ?

Answers

Answer: (v - 9)^2 - 81

Step-by-step explanation: Use the formula (b/2)^2 in order to create a new term to complete the square.

Hope this helps! :) ~Zane

Prove that 1 - cosx / sinx = sinx / 1 + cosx
how?

Answers

Answer:

see explanation

Step-by-step explanation:

using the identity

cos²x = 1 - sin²x

consider the left side

$(1-cosx)/(sinx)$

multiply numerator/ denominator by (1 + cosx)

= $((1-cosx)(1+cosx))/(sinx(1+cosx))$ ← expand numerator

= $(1-cos^2x)/(sinx(1+cosx))$

= $(sin^2x)/(sinx(1+cosx))$ ← cancel sinx on numerator/ denominator

= $(sinx)/(1+cosx)$

= right side , thus proven

How many terms are in the expression shown below?a2 - ab + 8b + b2 - 1
2
3
4
5

Answers

The answer is: 5 .
___________________________
1) a² ;
___________
2) −ab ;
___________
3) + 8b ;
___________
4) + b² ;
___________
5) − 1 .
____________________________________________________

Find the point on the plane x - 2y + 3z = 12 that is closest to the point (0, 2, 2). (x, y, z) =( boxed 5 Find the local maximum and minimum values and saddle point(s) of the function. If you have three-dimensional graphing software, graph the function with a domain and viewpoint that reveal all the important aspects of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) F(x, y)-y-by cos(x), -1≤x≤7 local maximum value(s)DNE local minimum value(s)-12

Answers

Final answer:

The question pertains to finding theclosest point on a plane to a specific point and determining the local extremum points of a function using differential calculus. Due to word limitations, a step-by-step solution couldn't be provided.

Explanation:

The subject of this question is Mathematics, specifically it deals with the concepts of planes in three-dimensional space and finding local extremum points of a function. Firstly, to find the point on the plane x - 2y + 3z = 12 closest to the point (0, 2, 2), we can use the perpendicular distance formula from a point to a plane. To find the local maximum, minimum values and the saddle points of the function F(x, y) = -y − by cos(x), differential calculus should be used. Unfortunately, this requires more than 100 words, therefore I am unable to provide a step-by-step solution here.

Learn more about Differential Calculus and Plane Geometry here:

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