F is directly proportional to a . If F = 25 when a = 5 find,

Question

F
is directly proportional to
a
.
If
F
=
25
when
a
=
5
find,
F
when
a
=
8

in progress 0
Thông Đạt 4 years 2021-08-12T19:52:42+00:00 1 Answers 72 views 0

Answers ( )

  1. dangkhoa
    0
    2021-08-12T19:54:00+00:00
    Reply

    Since F and a are directly proportional, we can relate F to our unknown F, and a to our other known a.

    25 / 5 = F / 8

    Cross-multiply to solve.

    5F = 200

    F = 40

    Hope this helps!

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )