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Simora [160]
3 years ago
11

Ift varies as v, and t = 24 when v=t, find v when t = 21.

Mathematics
1 answer:
Anvisha [2.4K]3 years ago
7 0

Answer:

V = 21

Step-by-step explanation:

from the question , which says  if T varies as V and T  = 25  and V=T. find V when t = 21.

<u>solution.</u>

T∝ v

 T = KV where K is the constant of proportionality

make K the subject of the formulae

then

K = T/V

Note, T = V  from the question and T was given to be 24

therefore;

K = 24/24

K = 1

so, find V  when T = 21

from  K = T/V

k = 21 /v

1 = 21/ v

we cross multiply inorther to get the value for v

1 × v = 1 × 21

V = 21.................. solved

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