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makvit [3.9K]
2 years ago
7

An experiment compared the adhesion of 2 types of paint A and B to 3 types of metal, 1, 2 and 3, used in automobiles. Thirty she

ets of metal were used in the experiment 10 of Metal 1, 10 of
Metal 2 and 10 of Metal 3. Half of each metal type will receive paint A and the other half will receive paint B. The adhesion of the paints was measured, and the measures were compared. How
many experimental units are in the experiment?

A- 2
B- 3
C- 10
D- 30
E- 60
Mathematics
1 answer:
Serjik [45]2 years ago
4 0
I think it’s at least 10 units
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Read 2 more answers
SOLVE for x. log3 8 = x
Setler [38]
You are trying so solve
<span><span>3^x</span>=8</span>
and since 8 is not an integral power of x you need a calculator.
it is <span><span>ln(8)/</span><span>ln(3)</span></span>
or
<span><span><span>log(8)/</span><span>log(3)</span></span></span>
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