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cupoosta [38]
3 years ago
10

Can someone please help me I really need help please help me

Mathematics
1 answer:
Step2247 [10]3 years ago
4 0

Answer:

60

Step-by-step explanation:

if it went down one more it would be 30

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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
Evaluate 9 + 11g - 4h when g = 2 and h = 7
Bingel [31]
Substitute the variables for the values given.

9 + 11(2) - 4(7) =
9 + 22 - 28 =
31 - 28 =
3

So, 3 is the answer.
6 0
3 years ago
Read 2 more answers
Nirja has 24 marbles. The number of marbles Nirja has is 6 more than the number of marbles Tim has. If Tim has x marbles, the eq
Yanka [14]
X=24-6
x=18
Since,the question said that Nirja has 6 marbles more than Tim,which aslo mean that Tim has 6 marbles less than Nirjia,Tim has 18 marbles which is obtained by 24-6.
3 0
3 years ago
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I WILL GIVW CROWN NEEP HELP ASAP
cricket20 [7]

Answer:

C. between 5 and 6 days

Step-by-step explanation:

divide 1611 by 305 and the answer is 5.28196721311. meaning it will take a little over 5 days to get to wherever he is going.

4 0
3 years ago
Read 2 more answers
What would a 44% decrease of 13 be?
TEA [102]

Answer:

13

Step-by-step explanation:

p% = p 'out of one hundred',

p% is read p 'percent',

p% = p/100 = p ÷ 100.

44% = 44/100 = 44 ÷ 100 = 0.44.

100% = 100/100 = 100 ÷ 100 = 1.

Decrease number by 44% of its value.

Percentage decrease = 44% × 13

New value = 13 - Percentage decrease

6 0
3 years ago
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