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kramer
3 years ago
5

The sum of two consecutive integers is 57

Mathematics
1 answer:
nikitadnepr [17]3 years ago
8 0
This statement is true!
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-x -20 = 4x - 5
melomori [17]

Answer:

x=-3

Step-by-step explanation:

-x-20=4x-5

-20=5x-5

-15=5x

x=-3

6 0
3 years ago
Read 2 more answers
$250 is discounted into $212.50 what is the percent decrease
blsea [12.9K]
450 all together I think
4 0
3 years ago
Read 2 more answers
The theater has already sold 7p tickets. Write and solve an inequality that represents how many more tickets the theater needs t
snow_lady [41]

The theater must sell more than 35 tickets to earn at least $1000.

Step-by-step explanation:

Cost of one student ticket = $9.50

Tickets already sold = 70

Cost of 70 tickets = 70*9.50 = $665

Worth to be made by selling tickets = $1000

Let,

x be the number of tickets to be sold.

According to statement;

The theater wants to earn $1000 minimum, therefore,

Cost of one ticket*Number of tickets to be sold + cost of 70 tickets > Total worth to be earned

9.50x+665> 1000\\9.50x> 1000-665\\9.50x\> 335

Dividing both sides by 9.50

\frac{9.50x}{9.50}>\frac{335}{9.50}\\\\x>35.26

Rounding off to nearest whole number

x>35

The theater must sell more than 35 tickets to earn at least $1000.

Keywords: variable, inequality

Learn more about variables at:

  • brainly.com/question/11416224
  • brainly.com/question/11638377

#LearnwithBrainly

6 0
3 years ago
What is the fractional equivalent of 0.2323
ss7ja [257]
\frac{23}{99}
3 0
2 years ago
What is the circumference of a circle with an area of 25??
Semmy [17]
Answer:  The circumference is:  " 8.87 square units " .
_________________________________________________
Explanation:
_____________________________________
Note the following:
________________________________
Area of a circle:  A = π r² = 25 units² ; 
 
Circumference of a circle:  C = π*d = 2πr
____________________________________
  If we can solve for "r" ("radius", we can solve for the "Circumference, "C") ;
__________________________________
   A = π r² = 25 ;

    C = 2 * π *r
 
   So:  " π * r * r = 25"  ;
________________________
 We know that:  " π * r * r = 25" ; 

Multiply EACH side of the equation by "2" ; 
__________________________________
      2*{ π * r * r = 25} ;
__________________________________
To get:  2 * π * r * r = 25 ; 

Note:  "C = 2* π * r ; 

So,  "(2 * π * r) * r = 25 " ; 

We want to solve for "C" ; so replace the "(2 * π * r) " ; with "C" ;
 
          C * r = 25 ; 
______________________________
Divide EACH SIDE of the equation by "r" ; to isolate "C" on one side of the equation:
________________________________
   (C * r) / r  =  25 / r   ;

to get:    C  =  25 / r ;  
____________________________________
Now, we need to find the value for "r" (the radius);
          to find "C" (the circumference).

We know that:  
____________________________________ 
   π * r² = 25 ;
____________________________________
Divide each side of the equation by "π"; to isolate "r² " on one side of the equation;
____________________________________
   (π * r²) / π  =  25 / π ;

To get:  
___________________________________________________
   r²  =  25/π  ;  Let us use "3.14" as an approximation for "π" ;
___________________________________________________
   r²  =  25 / (3.14) ; 
  
   r²  =  7.9617834394904459 ; 

Take the "positive" square root of EACH side of the equation; 
   (since the radius, "r", cannot be a negative value);
_____________________________________________

   +√(r²) = +√(7.9617834394904459) ; 
_____________________________________________
to get:
_____________________________________________
      r  =  2.8216632399155016635 ;  
              →  Round to:  " 2.82 " ; 
_____________________________________________
     C = 25 / r  ;
 
     C = 25 / (2.82) = 8.8652482269503546  square units .
                              →  Round to:  "8.87"  square units.
_____________________________________________
The answer is:  "8.87 square units" .
_____________________________________________
4 0
3 years ago
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