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PolarNik [594]
3 years ago
7

Can someone plz help me?

Mathematics
2 answers:
Harlamova29_29 [7]3 years ago
7 0
Sorry man i can't help you
but i think it's y=25,x=100
n200080 [17]3 years ago
4 0
The equation of the line best fit is y=35, x= 20
no practice, student expcted to type 20 wpm
every minute spent practicing typing speed increased by 1/2  word per minute
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NEED HELP ASAP PLS!!!!!!!!
slamgirl [31]
The answer is:  " y = −\frac{5}{4}  x − 4 " .
_________________________________________________________
Explanation:
_________________________________________________________
Given a linear equation in "slope-intercept form" ; that is:

" y = mx + b " ;
________________________________________________
A line that is PARALLEL to the aforementioned equation has the same slope (i.e the same value for "m" ) ; and the given the [x and y coordinates of any particular point] on the parallel line;  " (x₁ , y₁)" ;  we can write the equation of the parallel line—in "slope-intercept format" — by using the following equation/formula:

                     y − y₁ = m(x − x₁<span>)  ;
</span>
in which:  "m = the slope"

and plug in the values for:  "m" ; and "x₁" and "y₁" ; 

We are given the coordinates of a particular point on the line that is parallel:
    " (-4, 1) " ;

as such:  x₁ = -4 ;  y₁ = 1  ;

   & we are given:  "m = − \frac{5}{4}" .
_____________________________________________
So:

               →  y − y₁ = m(x − x₁) ;

               →  y − 1    = − \frac{5}{4} [x − (-4) ] ;

               →  y − 1    = − \frac{5}{4} (x + 4) ;

               →  y − 1    = − \frac{5}{4} (x + 4) ; 

      Now; let us examine the "right-hand side of the equation" ;

We have:     − \frac{5}{4} (x + 4)      ; 
__________________________________________________
Note the "distributive property" of multiplication:__________________________________________a(b + c) = ab + ac ;
a(b – c) = ab – ac .__________________________________________
As such:
__________________________________________
 − \frac{5}{4} * x   +  (− \frac{5}{4} * 4)  ;

   =  − \frac{5}{4} * x  + (− \frac{5}{4} * \frac{4}{1})  ;

 
Note:  Examine the " (− \frac{5}{4} * \frac{4}{1}) " ; 

                →  EACH of the 2 (TWO)  "4's" cancel out to "1"s" ; 
                    { since:  "4 ÷ 4 = 1" } ;

and we can rewrite the:  "(− \frac{5}{4} * \frac{4}{1}) " ; 

as:  " (− \frac{5}{1} * \frac{1}{1}) " ;

Note that:  "{-5 ÷ 1 = -5} ;  and: "{1 ÷ 1 = 1} ;

so, rewrite the:  "" (− \frac{5}{1} * \frac{1}{1}) " ;

as:  "{-5 * 1}" →   which equals:  = " -5"  ;  


So: 

− \frac{5}{4} * x  + (− \frac{5}{4} * \frac{4}{1})  ; 

=  - \frac{5}{4} x + (-5) ; 

=  - \frac{5}{4} x − 5 ;  
______________________________________________
→  Now, bring down the "y −1" ;  which goes on the left hand side; 

→  y − 1 = - \frac{5}{4} x − 5 ;

Add "1" to EACH SIDE of the equation; to isolate "y" as a single variable on the "left-hand side" of the equation ; & to write the equation of the particular parallel line in "slope-intercept format" ;

→  y − 1  + 1  = - \frac{5}{4} x − 5  +  1  ;
_______________________________________________________
to get:
_______________________________________________________
→   "  y = −\frac{5}{4}  x − 4 " .
_______________________________________________________

7 0
3 years ago
HELP ME PLEASE HELP HELP I NEED HELP I NEED TO TURN THIS US TOMMOROW
Readme [11.4K]

Answer:

Step-by-step explanation:

1. X=2

2. y = 8

4. p= -3

5. z= 18

6. w=35

7 0
3 years ago
What is the value of a in simplest form?
devlian [24]

Answer:

x^4

Step-by-step explanation:

\frac{x^{3} }{\sqrt[6]{x}}

((\sqrt{x})^{2})(x^{3} )

(x)(x^3)\\x^4

6 0
3 years ago
Find the common difference for the sequence shown 1/4,5/16,3/8
Vladimir79 [104]
<span>common difference for the sequence = 1/16

cause
1/4 = 4/16
and
3/8 = 6/16

so
4/16 + 1/16 = 5/16
5/16 + 1/16 = 6/16

</span>
4 0
3 years ago
Which of the following may fall outside a triangle?
algol [13]

Answer: B

Step-by-step explanation:

7 0
1 year ago
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