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balu736 [363]
4 years ago
14

The surface area of a cylinder

Mathematics
1 answer:
Ganezh [65]4 years ago
7 0

The formula for the surface area of a cylinder is \pi r (r + h), where r stands for the radius of the base of the cylinder, and h stands for the cylinder's height.

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If you earn $150.00 per week and save 25%, how much money are you saving weekly?
KatRina [158]

Answer:

$37.5

Step-by-step explanation:

If you're earning $150.00 per week and if you save 25% then

you're saving 25% of $150.00 weekly.

To find this amount we can multiply 0.25 with 150.00=37.5.

5 0
3 years ago
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Is this right (plzzz help
liubo4ka [24]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
5-4(n+2)=18 what is n
Sindrei [870]
5-4(n+2)=18 


-4(n+2)=18-5
 

  Subtract \ 5 \ from  \ both \ sides
 

-4(n+2)=13

 

n+2= \dfrac{13}{-4}    Divide \ both \ sides \ by \ -4

<span>n+2= -\dfrac{13}{4}  
</span>
<span>n+2= -\dfrac{13}{4}-2    </span>Subtract \ 2 \ from \ both \ sides&#10;<span>
</span>
n=- \dfrac{21}{4}

Decimal \ Form: -5.25
5 0
3 years ago
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3x - 2 (x + 3) = 4x - 7
Softa [21]
The answer:   " x = ⅓ " .
____________________________________________________
Given:  " 3x − 2 (x + 3) = 4x −<span> 7 " ; Solve for "x" ;
____________________________________________________
    
Start with the following term on the "left-hand side" of the equation:

" - 2 (x + 3) " ;
____________________________________________________
Note the "distributive property of multiplication" :
____________________________________________________
   a(b + c) = ab + ac ;

   a(b </span>− c) = ab <span>− ac ;
____________________________________________________
As such, 

  " -2 (x + 3) = -2(x) + -2(3) = -2x + (-6) = -2x </span>− 6 ;
____________________________________________________
So, we can rewrite our equation:
____________________________________________________
 " 3x − 2 (x + 3) = 4x − 7 " ; substituting:  " -2x − 6"  (for " −2 (x + 3)" ; as follows:
____________________________________________________

   3x − 2x − 6 = 4x −  7 ; 
___________________________________________________
On the left-hand side off the equation; 
________________________________
We can combine the "like terms" ; as follows:

  3x − 2x = 1x = x ;  and rewrite the equation:
__________________________________
                    x − 6 = 4x −  7 ; 

____________________________________
We can subtract "4x" from each side of the equation; and add "6" to each side of the equation:
____________________________________
              x − 6 − 4x + 6 = 4x −  7 − 4x + 6 ;

to get:      -3x = -1 ; 
____________________________________
Now, we divide EACH SIDE of the equation by "-3" ; to isolate "x" on ONE SIDE OF THE EQUATION; and to solve for "x" ;
____________________________________
                 -3x / 3 = -1/-3 ; 
____________________________________
        to get:  x = <span>⅓ .
_____________________________________
</span>    →  Now, let us check our answer by plugging in "<span>⅓" for all values of "x" in the ORIGINAL GIVEN EQUATION; to see if the equation holds true:
_____________________________________________________
</span>                    →   3x − 2 (x + 3) = 4x −<span> 7 ;

                    </span>→  [3 * (⅓) ] − 2 [ (⅓) + 3) = ? 4(⅓) − 7 ?? ;
<span>
                    </span>→  (1) − 2(3 ⅓) =?  (⁴/₃)  − 7 ?? ;
<span> 
                    </span>→  (1) − 2(3 ⅓) =?  (⁴/₃)  − 7 ?? ;<span>

                    </span>→    (³/₃) − 2(¹⁰/₃) =?  (⁴/₃)  − (²¹/₃) ?? ;

                    →    (³/₃) − (²⁰/₃) =?  (⁴/₃)  − (²¹/₃) ?? ;

                    →    ⁽³ ⁻²⁰⁾/₃) =?  ⁽⁴⁻²¹⁾/₃) ??

                    →   ⁻¹⁷/₃ = ? ⁻¹⁷/₃ ??  Yes!  Our answer "makes sense"!
_____________________________________________________
3 0
3 years ago
Th99 divided by a number(n) is 44
Lady bird [3.3K]
What are you asking exactly
3 0
3 years ago
Read 2 more answers
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