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3 years ago

Please help.I need all comparing parts, corresponding parts, and the last question in the problem.

Mathematics

1 answer:

mamaluj [8]3 years ago

6 0

Shift left 4 units
rotate clockwise 270 degrees about the origin
not sure about the statement though

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A ladder is leaning against a wall. The top of the ladder is 9 feet (ft) above the ground. If the bottom of the ladder is moved

Komok [63]

Step 1

First situation

when a ladder is leaning against a wall

Let

x-------> the distance of the bottom of the ladder from the wall

L-------> the length of the ladder

Find the length of the ladder

Applying the Pythagorean Theorem

$L^{2} =x^{2}+ 9^{2}$ ------> equation $1$

Step 2

Second situation

when the ladder will be lying flat on the ground

Find the length of the ladder

In this situation the length of the ladder is equal to

$L=x+3$

square both sides

$L^{2}=(x+3)^{2}$ ------> equation $2$

Step 3

equate equation $1$ and equation $2$

$x^{2}+ 9^{2}=(x+3)^{2}\\x^{2}+81=x^{2} +6x+9\\ 6x=81-9\\6x=72\\x=12\ ft$

therefore

the answer is

the length of the ladder is $12\ ft$

see the attached figure to better understand the problem

5 0

3 years ago

I don’t know how to answer this

Vladimir [108]

Answer:

Triangle with Blue shape inside. All of the other shapes are divided up in to triangles. The triangle on bottom (with blue shape inside) is divided up into polygons.

Step-by-step explanation:

4 0

3 years ago

Read the following statement: If the sum of two angles is 90°, then the angles are complementary. The hypothesis of the statemen

xeze [42]

Hey there!

It seems your problem is simply trying to rewrite the sentence.

Let's rewrite our sentence, from the phrase after the comma to the phrase before the comma.
Essentially, we are just flipping the sentence structure.

It should be this:
The two angles are complementary if the sum of the two angles are 90 degrees.

Let's take a good look at our answers.

A.) There are two angles.
While this is a true statement, it's a little too vague to understand. We can eliminate this answer choice.

B.) The sum of two angles is 90 degrees.
This is also a true statement, but it doesn't describe what type of angles sum to 90 degrees, so we can eliminate this as well.

C.) The angles are complementary.
This is similar to answer choice A. It's a little too vague for specific understanding. We can eliminate this answer choice.

D.) Angles are complementary if their sum is 90 degrees.
This is an accurate statement, and provides details to support it's claim, also rewriting the original sentences into one properly. This answer choice is correct.

Your answer is D.)

I hope this helps!

8 0

3 years ago

Please help 30 points

kolezko [41]

See attachment for the graph of the function y = 5 sin(4x)

<h3>How to graph the trigonometry function?</h3>

The trigonometry function is given as:

y = 5 sin(4x)

To plot the graph, we use the following domain:

x > 0

This represents the minimum value of x

Also, we use

x < π/2

This represents the maximum value of x

When the domain are combined, we have:

0 < x < π/2

This means that the domain that gives a complete cycle is 0 < x < π/2

See attachment for the graph of the function

Read more about trigonometry function at

brainly.com/question/1143565

#SPJ1

4 0

2 years ago

The equation for the graph of A is

jekas [21]

Answer:

A: y = x²

B: y = -x

C: y = x

D: y = -x²

Step-by-step explanation:

4 0

2 years ago