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jok3333 [9.3K]
3 years ago
8

Plzzzz Help!!!!!!

Mathematics
1 answer:
gregori [183]3 years ago
3 0

Answer:

The answer is 215=55x+40 or 215=40+55x

Step-by-step explanation:

The reason it is that is because the plumber charges $55 for a service and he adds 40 for each hour he works so that is why this is the answer Remember the total bill cost 215 so that comes as the equation is equal to.

Hope that helps

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Check the picture below.

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By first calculating the size of angle LMN,
Naily [24]

Step-by-step explanation:

Hope it helps.... that is how I did it

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2 years ago
Solve for b .<br><br> + b = -1<br> b =
Alik [6]

Answer:

b = -1

Step-by-step explanation:

Solve for b means, write in the form of b =...

Given

+ b = - 1 and this is the same as b = - 1.

That is because the plus sign has no real meaning here, so you can ignore it as if it was not there at all.

It so turns out you now have the answer!

7 0
3 years ago
Point `A` is located at coordinates `(-3,\ 2)`. Point `B` is the image of point `A` after a rotation of `180°` using `(0,\ 0)` a
77julia77 [94]

The location of point B after a rotation of point A(-3, 2) 180 degrees about the origin is (3, -2)

<h3>What is a transformation?</h3>

Transformation is the movement of a point from its initial location to a new location. Types of transformation are reflection, translation, rotation and dilation.

Rigid transformation is the transformation that does not change the shape or size of a figure. Examples of rigid transformations are <em>translation, reflection and rotation</em>.

The location of point B after a rotation of point A(-3, 2) 180 degrees about the origin is (3, -2)

Find out more on transformation at: brainly.com/question/4289712

#SPJ1

4 0
1 year ago
Given the diagram below, what is cos(45*)? <br><br> A.<br><br><br> B.<br><br><br> C.<br><br><br> D.
alina1380 [7]

Answer:

The answer is option B

Step-by-step explanation:

To find cos 45° we must first find the adjacent and the hypotenuse

Let the adjacent be x

Let the hypotenuse be h

To find the adjacent we use tan

tan ∅ = opposite / adjacent

From the question

the opposite is 9

So we have

tan 45 = 9 / x

x tan 45 = 9

but tan 45 = 1

x = 9

Since we have the adjacent we use Pythagoras theorem to find the hypotenuse

That's

h² = 9² + 9²

h² = 81 + 81

h² = 162

h = √162

h = 9√2

Now use the formula for cosine

cos∅ = adjacent / hypotenuse

The adjacent is 9

The hypotenuse is 9√2

So we have

cos 45 = 9/9√2

We have the final answer as

<h3 /><h3>cos 45 = 1 / √2</h3>

Hope this helps you

3 0
2 years ago
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