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babymother [125]
3 years ago
15

9w - x YOU WILL BE MARKED AS BRAINLIEST :)

Mathematics
1 answer:
Sophie [7]3 years ago
7 0

Answer:

9w-x

Step-by-step explanation:

there are no like terms

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what is the side length of the smallest square plate on which a 24-cm chopstick can fit along a diagonal without any overhang???
kumpel [21]
A square is basically two triangles put together and since a square has four right angles you can use the Pythagorean Theorem to do this.

A squared +b squared <24
5 squared x 5 squared = 25

Sooooooo...... ;)
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3 0
3 years ago
Ion think anything can beat tha way i feel ab except my fear of loving
BaLLatris [955]

Answer:

same is so sad its either cheating or leaving

Step-by-step explanation:

8 0
2 years ago
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Sofia hits a softball straight up. the equation h= -16t^2 + 90t models the height h, in feet, of the ball after t seconds. How l
andrezito [222]
It is in the air 5.625 seconds.

Using the quadratic formula,

t=\frac{-b\pm \sqrt{b^2-4ac}}{2a}&#10;\\&#10;\\=\frac{-90\pm \sqrt{90^2-4(-16)(0)}}{2(-16)}&#10;\\&#10;\\=\frac{-90\pm \sqrt{8100-0}}{-32}&#10;\\&#10;\\=\frac{-90\pm \sqrt{8100}}{-32}=\frac{-90\pm90}{-32}&#10;\\&#10;\\=\frac{-90+90}{-32}\text{ or }\frac{-90-90}{-32}=\frac{0}{32}\text{ or }\frac{-180}{-32}&#10;\\&#10;\\=0\text{ or }5.625

0 is when the ball is first launched, 5.625 is when it hits the ground again.
4 0
3 years ago
What is the equation when y=5x+4 is reflected over the x-axis, y-axis &amp; y=x?
tigry1 [53]

Answer:

A) y=-5x-4

B) y=-5x+4

C) y=\frac{x-4}{5}

Step-by-step explanation:

So we have the equation:

y=5x+4

Let's write this in function notation. Thus:

y=f(x)=5x+4

A)

To flip a function over the x-axis, multiply the function by -1. Thus:

f(x)=5x+4\\-(f(x))=-(5x+4)

Simplify:

-f(x)=-5x-4

B) To flip a function over the y-axis, change the variable x to -x. Thus:

f(x)=5x+4\\f(-x)=5(-x)+4

Simplify:

f(-x)=-5x+4

C) A reflection over the line y=x is synonymous with finding the inverse of the function.

To find the inverse, switch x and f(x) and solve for f(x):

f(x)=5x+4

Switch:

x=5f^{-1}(x)+4

Subtract 4 from both sides:

x-4=5f^{-1}(x)

Divide both sides by 5:

f^{-1}(x)=\frac{x-4}{5}

And we're done :)

7 0
3 years ago
-----------------------
Rasek [7]

Answer:

Is this a question?

Step-by-step explanation:

If not hey! I hope your having a wonderful day if not It'll get better I promise!! Lmk whatever you need! <33 :))

8 0
3 years ago
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