Answer:
u = v2−2Egm−−−−−−−√
Step-by-step explanation:
2Eg = 2g (M2g(V2−U2)
2Eg = m(V2 - U2)
2Eg - mV2 - mU2
mU2 = mV2 - 2Eg
mU2m=mV2−2Egm
U2 = mV2−2Egm
= mV2m−2Egm
U2 = V2 - 2Egm
U = V2−2Egm−−−−−−−−√
X^(1/7)x^(1/7)x^(1/7)x^(1/7)
Well the rule for multiplying similar bases with exponents is:
(a^b)(a^c)(a^d)=a^(b+c+d), so in this case:
x^(1/7+1/7+1/7+1/7)
x^(4/7)
In words that is x raised to the 4/7 th power or the seventh root of x raised to the 4th power.
Let
x-------------> <span>original price of the skates
we know that
15% of x is </span><span>$19.50
so
0.15x=19.50---------> x=19.50/0.15-----------> x=$130
the answer is
the </span>original price of the skates was $130<span>
</span>
Answer:
Step-by-step explanation:
The intensity β of a sound wave in decibels is given by the formula
and I₀ = the reference intensity (10⁻¹² W/m²)
Data:
I = 10⁻⁴ W·in⁻²
Calculations:
1. Convert watts per square inch to watts per square metre
2. Convert the intensity to decibels.
2/5 is on the 4th tic mark, 65% is dead cent of the 6th and 7th tic mark, and 3/8 is most the way towards the 4th tic mark
