MATHEMATICS HIGH SCHOOL

Please help me with these rotation problem.​
Please help me with these rotation problem.​ - 1

Answers

Answer 1
Answer:

Answer:

  see below

Step-by-step explanation:

In the attachment, the points are listed in the order given in the problem statement. (They are listed to the right of the "rotation matrix", with x-coordinates above y-coordinates.)

__

I really don't like to do repetitive calculations, so I try to use a graphing calculator or spreadsheet whenever possible. Angles are measured CCW.

As always, the rotation transformations are ...

  180° — (x, y) ⇒ (-x, -y)

  270° — (x, y) ⇒ (y, -x)

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The total number of cookies needed for the bake sale is 812 dozen. Two of your friends will each bake 14 of the cookies. Your sister will bake 18 of the cookies. What fraction of the cookies do you need to bake?

What is one half of a number is equal to 14. What is the number?

Answers

Let the number be x
1/2 of x=14
x/2=14
x=14x2
x=28
The number is 28
half=14=> number=14x2=28

or
number  |---n--||---n--|=14+14=28
half        |---n--|=14

Tasha is planning an expansion of a square flower garden in a city park. If each side of the original garden is increased by 7 m, the new total area of the garden will be 169 m2. Find the length of each side of the original garden.

Answers

To find the original length you must take away the add-ons. To do so we know that they added 7 and A= l*l (or l squared). They added the 7 to the length so multiply 7*7 (49) subtract your answer from 169 (120) and that's your new area. To find the original length divide by 4 (I believe) and get 30m2

Answer:

6m

Step-by-step explanation:

got it right on a quiz.

A tree 5 ft tall grows an average of 8 in. each year. Which equation models the tree’s height h after x years?

Answers

Answer: h=8x+5

hope this helps vote me brainliest

h = 60 + 8x

h = Tree's height in inches

x = years of growth

Ver en español Find the number that makes the ratio equivalent to 7:20

Answers

Answer:

14:40

Step-by-step explanation:

if both divided by 2 gives 7:20

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3/2 divided 1/4=n then n is between

Answers

3/2 ÷ 1/4= n 

n(3/2) (4/1) = n 

n= 12÷2 

Which gives you six. 

N triangle xyz, m∠z > m∠x m∠y. which must be true about △xyz?

Answers

The choices are the below that can be found elsewhere:

m∠X + m∠Z < 90° 

m∠Y > 90° 

∠X and∠Y are complementary 

m∠X + m∠Y < 90°


Since the given is m<Z > m<X +m<Y and the sum of measure of angles of a triangle is equal 180 degrees so from this result that the last one choice need being true sure so m<X +m<Y < 90°

For the triangle  xyz, m∠z > m∠x + m∠y the total internal angles of a triangle is 180, therefore, m∠x + m∠y < 90° is a true statement.

How to form angles of triangles?

The sum of angles in a triangle is equals to 180 degrees.

Therefore, if the angles of a triangle are x, y and z,

x + y + z = 180 degrees

If m∠z > m∠x + m∠y,

Therefore, m∠x + m∠y the two other angles should be less than 90 degrees.

Hence,

m∠x + m∠y < 90°

learn more on triangle here: brainly.com/question/19609019

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