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Artyom0805 [142]
3 years ago
14

Rx-st=r solve equation for s

Mathematics
2 answers:
dimulka [17.4K]3 years ago
8 0

Rx - st = r

Rx = r + st                                       Add st to both sides

Rx - r = st                                        Subtract r from both sides

(Rx - r)/t = s                                     Divide t on both sides ( to isolate s)

mafiozo [28]3 years ago
5 0

rx-st=r\qquad\text{subtract rx from both sides}\\\\-st=-rx+r\qquad\text{change the signs}\\\\st=rx-r\qquad\text{divide both sides by}\ t\neq0\\\\\boxed{s=\dfrac{rx-r}{t}}

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3 years ago
A new pencil is 19 centimeters long. Levi uses it for a month. The pencil now measures 8 centimeters.
pogonyaev

Answer:

11 cm

Step-by-step explanation:

Given:

Length of new pencil = 19 cm

Length of pencil after using a month = 8 cm

Question asked:

The pencil is centimeters shorter now than when it was new = ?

Solution:

Length of new pencil = 19 cm

Length of pencil after using a month =  8 cm

The pencil is centimeters shorter now than when it was new = 19 cm -  8 cm

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