If 18is 45% of a value what is the value

1 answer:

8 0

To solve this, create an equation that follows 45% of a value is 18. This would look like x*.45=18. Now, solve for x, x*.45=18, divide by .45, x=18/.45=40, making your value 40. To check, plug in your value to the equation 40*.45=18 and see if it stays true.

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Plz help ASAP, without using algebra! Tysm!!!

nadya68 [22]

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5 0

3 years ago

Express in exponential form log(2)16 = 4

S_A_V [24]

$\bf \textit{exponential form of a logarithm}
\\\\
log_a b=y \implies a^y= b\qquad\qquad 
% exponential notation 2nd form
a^y= b\implies log_a b=y \\\\
-------------------------------\\\\
log_2(16)=4\qquad \qquad \implies \qquad 2^4=16$

8 0

3 years ago

Rewrite the equation in logarithmic form: 2³= 8

GrogVix [38]

Explanation: The base of the power in the original equation becomes the base of the log. So we have $^{log}2$ . Next, the exponent in the original equation goes on the other side of the equation and finally, the result in the original equation goes inside the log.