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ryzh [129]
3 years ago
11

R + (-5r) Please explain how it's done.

Mathematics
1 answer:
Lisa [10]3 years ago
7 0

Answer:

-4r

Step-by-step explanation:

r + (-5r)

1r + (-5r)

Factor out an r

r( 1 -5)

One minus 5 is negative 4.   If you have one dollar and you borrow five dollars,  how much did you borrow?  4  but that 4 is borrowed so it is negative


r (-4)

-4r



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so youll need to

Z-10

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hop this helps!

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2 years ago
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Crank

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X - 12<br> 2x<br><br> find the perimeter
11111nata11111 [884]

Answer:

6x-24

Step-by-step explanation:

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3 0
2 years ago
Find the vertex of the function given below.<br><br> y= x2 - 6x +1
Helga [31]

Answer:

V( 3, -8 )

Step-by-step explanation:

Parable equation is of the form:

( x - h )² = 4p*(y - k)

In that expression, vertex has coordinates V ( h, k )

Then all we have to do is transform the given equation

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We can get a  perfect square trinomial in the first member of the equation according to:

x²  -  6x   =   ( x - 3 )²  - 9

(x - 3 )²   = x² - 6x  + 9

By substitution  en equation (1)

( x - 3 )² - 9 = y - 1

( x - 3 )² = y -1 + 9

( x - 3 )² = y + 8

( x - 3 )² = (y + 8 )

Then vertex coordinates are

V( 3 , -8)

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2 years ago
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Answer:

I cannot see it well

Step-by-step explanation:

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