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jarptica [38.1K]
4 years ago
9

Which is the graph of y=[x]-2?

Mathematics
1 answer:
STatiana [176]4 years ago
7 0

Answer:

The function y = ⌊x⌋ is called the "greatest integer value" function.

it works as follows: the input is any number x, the output is the greatest  

integer smaller or equal to x.

For example:

⌊0.1⌋=0

⌊0.26⌋=0

⌊0.4678⌋=0

⌊0.8989⌋=0

⌊0.999⌋=0

⌊1⌋=0

⌊1.0001⌋=1

so, the value of ⌊x⌋, for the entire interval (0, 1] is 0.

Similarly,  

the value of ⌊x⌋, for the entire interval (1, 2] is 1.   and so on,  

thus the graph of  y = ⌊x⌋ is as shown in picture 1

the graph of   y = ⌊x⌋ – 2   is the graph of   y = ⌊x⌋   shifted 2 units down.

check picture 2.

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Greastest common factor of 24 and 18
Vilka [71]

Answer: 6

Step-by-step explanation:

the biggest number that can go into both 24 and 18 evenly is 6. 24/6 is four, and 18/6 is three

4 0
3 years ago
Read 2 more answers
Which ordered pair is a solution the the following system?
muminat

Answer:

d is the correct answer .

Step-by-step explanation:

I just guessed

4 0
3 years ago
Probe that:<br><img src="https://tex.z-dn.net/?f=%20%5Csec%20%5Calpha%20%20%5Csqrt%7B1%20-%20%20%5Csin%28%20%7B%7D%5E%7B2%7D%20%
Nataly [62]

Step-by-step explanation:

<h3>\sec \alpha  \sqrt{1 -  \sin ^{2}   \alpha }  = 1</h3>

Prove the LHS

Using trigonometric identities

That's

<h3>\cos ^{2}  \alpha  = 1 -  \sin^{2}  \alpha</h3>

<u>Rewrite the expression</u>

We have

<h3>\sec \alpha  \sqrt{ \cos^{2} \alpha  }</h3>

<h3>\sqrt{ { \cos }^{2}  \alpha }  =  \cos \alpha</h3>

So we have

<h3>\sec  \alpha  \times  \cos \alpha</h3>

Using trigonometric identities

<h3>\sec \alpha  =  \frac{1}{ \cos \alpha }</h3>

<u>Rewrite the expression</u>

That's

<h3>\frac{1}{\cos \alpha }  \times  \cos \alpha</h3>

Reduce the expression with cos a

We have the final answer as

<h2>1</h2>

As proven

Hope this helps you

7 0
3 years ago
A baseball bat costs $41. This is $9 more than four times the wholesale cost of the bat.Find the bat's wholesale cost.
Lostsunrise [7]

We can find the bat's wholesale cost by working backwards -

Do $41 - 9 to get $32, then we can divide the 32 by the 4 to get $8.

Therefore, the wholesale cost of the bat is $8.


Happy to help!

7 0
3 years ago
Read 2 more answers
BRO SOMEONE HELP!!!!!!!!!!
Mariana [72]

Answer:

t= 52 seconds

A= 7,903 ft

Step-by-step explanation:

So start by writing each plane as an expression.

Plane A

3687+65.5*t is an expression for the ascent

Plane B

5000+40.25*t is an expression for the ascent

to find the time when they are at the same altitude set them equal to each other

3687+65.5*t = 5000+40.25*t

25.25*t = 1313

t= 52 seconds

to find the altitude solve one of the expressions with t=52

A =3687+65.5*52= 7093 ft

3 0
2 years ago
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