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Andrews [41]
3 years ago
10

Fraccion de 2/3+1/5=​

Mathematics
2 answers:
Ksju [112]3 years ago
7 0

Answer:

13/5

Step-by-step explanation:

\frac{2}{3 }  +  \frac{1}{5}  \\ we \: take \:  \\ the \:lcd \\ \frac{(2 \times 5) + (1 \times 3)}{3 \times 5}  \\  \frac{10 +3}{15} \\  \frac{13}{5}

poizon [28]3 years ago
5 0

Answer:

La answer: 13/15

Éxplaine:

2/3 + 1/5

LCM=15

2/3x5 + 1/5x3

10/15 + 3/15

=13/15

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2/7x = 10 show work plz
Rashid [163]

Answer:

x = 35

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                    2/7*x-(10)=0

                 2

Simplify   —

                  7

  2        

 (— • x) -  10  = 0

  7        

Subtracting a whole from a fraction

Rewrite the whole as a fraction using  7  as the denominator :

             10             10 • 7

   10 =  ——  =  ——————

               1                 7  

Adding up the two equivalent fractions

Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

           2x - (10 • 7)                       2x - 70

—————————————  =  ———————

                     7                                   7  

Pull out like factors :

  2x - 70  =   2 • (x - 35)

         2 • (x - 35)

 ————————————  = 0

                 7      

When a fraction equals zero ...

Where a fraction equals zero, its numerator, the part which is above the fraction line, must equal zero.

Now,to get rid of the denominator, Tiger multiplys both sides of the equation by the denominator.

Here's how:

      2•(x-35)

 ———————— • 7 = 0 • 7

          7    

Now, on the left hand side, the  7  cancels out the denominator, while, on the right hand side, zero times anything is still zero.

The equation now takes the shape :

  2  •  (x-35)  = 0

Solve :    2   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Solve  :    x-35 = 0

Add  35  to both sides of the equation :

                     x = 35

4 0
3 years ago
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Neelam is pouring sand into a clear box to make sand art. The box is a right rectangular prism, and the base of the box is 7 in.
Marrrta [24]

Answer:20 2/4

Step-by-step explanation:

7 0
2 years ago
Anyone know this please
Komok [63]
I would think it would be P

Once reflected over x, the point would be over Point J, once over Y it  would be over point P, answer is B

I hope this helps
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3 years ago
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A 15m long ladder reached a window 9m high from the ground on placing it against a wall at a distance x. Find the distance of th
Ilya [14]

Answer:

12 meters

Step-by-step explanation:

Given That :

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Using Pythagoras rule :

Adjacent² = hypotenus² - opposite²

Adjacent² = 15² - 9²

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Answer:

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