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sergeinik [125]
3 years ago
13

What is the sum? 2/5 + 7/15

Mathematics
1 answer:
sashaice [31]3 years ago
8 0

Answer:

13/15

Step-by-step explanation:

You need to make the denominators of both equations the same

to do this multiply the numerator and denominator of the fraction 2/5 by 3

this gives you 6/15

add the numerators together and keep the denominators the same

your answer is 13/15

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4 0
2 years ago
A zookeeper weighed an African elephant to be 9x10^3 pounds and an African lion to be 4x10^2 pounds. How many times greater is t
maria [59]
Answer:  22.5 .  The weight of the elephant is "22.5 times greater" than                              the weight of the lion.
_________________________________________________________
Explanation:
_________________________________________________________

(weight of lion) * (x) = (eight of the elephant)  ;  Solve for "x" .
_____________________________________________________
   → Divide each side of the equation by "(weight of lion)" ;
  to isolate "x" on one side of the equation ; and to solve for "x" ;
_________________________________________________________
    
   → (weight of lion)*(x) / (weight of lion) = (weight of the elephant) /
                                                           (weight of lion) ;
________________________________________________________
     →  x  = (weight of the elephant) / (weight of lion) ;
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     →  Plug in our "given values" ; and solve for "x" ;
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     →  x = (<span>9*10</span>³) / (4*10²) =  (9*10⁽³⁻²⁾) / 4  =  (9*10¹) / 4  ;
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     →  x =  90 /4 = 25/2  = 22.5 ; which is our answer.
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4 0
2 years ago
The sum of 3 numbers is -44.84.one of these numbers is 24.6.the other 2 numbers are equal to each number.what is the value of ea
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X+24.6=-44.84
Subtract 24.6 /2

X= -34.72
5 0
2 years ago
Next week your math teacher is giving a chapter test.
Naya [18.7K]

Answer:

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Step-by-step explanation:

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3 years ago
The product of two consecutive positive integers is 132. What are the integers?
alina1380 [7]

Answer:

The integers are 11 and 12

Step-by-step explanation:

11 and 12 are consecutive positive integers, and 11 x 12 = 132.

5 0
2 years ago
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