Answer:
B. 20
Step-by-step explanation:
<em>First, you divide by 5 from both sides of equation.</em>
<em></em>
<em>Simplify, to find the answer.</em>
<em></em>
<em>, which is our answer.</em>
What is the probability that a number selected from the numbers 1 to 15 is a multiple of 4?
1 answer:
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Answer:
x = 2.3202
Step-by-step explanation:
Given equation:
on taking log both sides, we get
now,
using the property of log function
log(aᵇ) = b × log(a)
therefore,
we get
(3x-5)log(10) = xlog(7)
now,
log(10) = 1
and
log(7) = 0.84509
thus,
( 3x - 5 ) × 1 = 0.84509x
or
3x - 0.84509x - 5 = 0
or
2.15491x = 5
or
x = 2.3202
