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lana66690 [7]
3 years ago
13

Plz explain, will mark you brainliest for the best answer

Mathematics
1 answer:
Anarel [89]3 years ago
7 0
I believe it is the last one, y=0.8x+3

I've tried everything with the other ones, but it seems this one fits best.
When it is graphed, it makes sense. The numbers all line up.
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Write the following function in standard form. Show your work. y=(x-5)(x+5)(2x-1)
Gnesinka [82]

Answer:

\boxed{y=4x^3-x^2-50x+25}


Step-by-step explanation:

The given function is


y=(x-5)(x+5)(2x-1)


Observe that, the first two factors are from difference of two squares.


\Rightarrow y=(x^2-5^2)(2x-1)


\Rightarrow y=(x^2-25)(2x-1)

We expand the brackets using the distributive property to obtain;

\Rightarrow y=2x^2(2x-1)-25(2x-1)


\Rightarrow y=4x^3-x^2-50x+25


The above function is now in standard form, since the terms are arranged in descending powers of x.



4 0
4 years ago
Select the statement that represents all the solutions of the inequality. d < 7 all rational numbers equal to 7 all integers
Paraphin [41]

Aspongebob at the bottom of the sea

Step-by-step explanation:

In a plain, robust, conversational style, the author known as “Elena Ferrante” has captivated readers worldwide with her chronicle of a complicated friendship between two women.

3 0
3 years ago
$43 shirt; 6% tax round to the nearest cent
Aleksandr-060686 [28]
If you would like to know how much did the shirt cost after 6% tax, you can calculate this using the following steps:

6% of $43 = 6/100 * 43 = $2.58

$43 + $2.58 = $45.58

The correct result would be $45.58. 
7 0
4 years ago
Read 2 more answers
6. what point does this line pass through, which is the basis of this equation?<br> y-3=3(x+1)
Vlada [557]

Answer:

Step-by-step explanation:

y - y1 = m(x - x1)

ur points are gonna be x1 and y1

y - 3 = 3(x + 1)

so ur y point is gonna be -3

but ur x point is gonna be -1.......because 3(x + 1) is the same as 3(x - (-1)

ur point is (-3,-1)

6 0
3 years ago
Find each sum.<br> 1)-9+(-2)<br> 2)3.2+1.4<br> 3)5.1+(0.7)<br> 4)2.2+(-3.8)
shtirl [24]

Answer:

1. 18

2. 0.36

3. 3. 57

4. -7. 36

5 0
3 years ago
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