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Lynna [10]
3 years ago
11

Logarithmic and Exponential Forms of Equations In Exercise, write the logarithmic equation as an exponential equation, or vice v

ersa.
e - 4 = 0.0183 ...
Mathematics
1 answer:
marysya [2.9K]3 years ago
8 0

Answer : The logarithmic equation of given exponential equation is, \ln (0.0183)=-4

Step-by-step explanation :

As we are given the exponential equation.

e^{-4}=0.0183

Formula used :

The inverse property of logarithm for the expression \ln e^x is:

\ln e^x=x

Now we have to determine the logarithmic equation of given exponential equation.

e^{-4}=0.0183

Taking natural logarithm both sides as,

\ln e^{-4}=\ln (0.0183)

-4=\ln (0.0183)

\ln (0.0183)=-4

Thus, the logarithmic equation of given exponential equation is, \ln (0.0183)=-4

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What is y=1/2x+4 in standard form?
zhuklara [117]
<h3>Answer:  x-2y = -8</h3>

===========================================

Explanation:

Multiply both sides by 2 to clear out the fraction

y = (1/2)x+4

2y = 2[ (1/2)x + 4 ]

2y = 2*(1/2)x + 2*4

2y = x + 8

Then move the x term over to the left side

2y = x+8

2y-x = 8

-x+2y = 8

Optionally we can multiply both sides by -1

-x+2y = 8

-1*(-x+2y) = -1*8

x-2y = -8

This is in standard form Ax+By = C with A = 1, B = -2, C = -8

The reason why I multiplied both sides by -1 was to make A > 0 which is what some textbooks use as convention. Of course -x+2y = 8 is equally valid too.

8 0
3 years ago
What is the value of x + 3y + z if x = 4, y = 5, and z= 22<br>a) 16<br>b) 41<br>c) 2​
fgiga [73]

Answer:

OPTION B - 41

Step-by-step explanation:

An expression is given and the corresponding values for the expression are also given. We have to substitute the given values to arrive at the answer.

The given expression is:   x + 3y + z.

Also given: x = 4, y = 5, z = 22.

Substitute these values in the above expression, we get:

4 + 3(5) + 22 = 4 + 15 + 22 = 41.

∴                                       x + 3y + z = 41

3 0
3 years ago
ASAP HELP HELP<br><br> AND HOW DID YOU GET THE ANSWER
Llana [10]

Answer:

B

Step-by-step explanation:

A straight line equals to 180 degrees. The example shown is a linear pair!

6 0
3 years ago
Solve the problem. A variable x has the possible observations shown below. Possible observations of x: -3 -1 0 1 1 2 4 4 5 Find
svp [43]

Answer:

The z-score corresponding to an observed value of x of 2 is 0.215.

Step-by-step explanation:

We are given that a variable x has the possible observations shown below;

Possible observations of X: -3, -1, 0, 1, 1, 2, 4, 4, 5.

Firstly, we will find the mean and the standard deviation of X, i.e;

Mean of X, (\mu) = \frac{\sum X}{n}

                       =  \frac{(-3)+ (-1)+ 0+ 1+ 1+ 2+ 4+ 4+ 5}{9}  

                       =  \frac{13}{9}  = 1.44

Standard deviation of X, (\sigma) =  \sqrt{\frac{\sum (X-\bar X)^{2} }{n-1} }

                            =  \sqrt{\frac{(-3-1.44)^{2}+(-1-1.44)^{2}+......+(4-1.44)^{2}+(5-1.44)^{2} }{9-1} }

                            =  2.603

Now, the z-score corresponding to an observed value of x of 2 is given by;

                  z-score =  \frac{X-\mu}{\sigma}

                               =  \frac{2-1.44}{2.603}  = <u>0.215.</u>        

4 0
3 years ago
On New Year’s eve Mr. Matthew was responsible for finding transportation to the aquarium for all 200 7th and eighth graders he i
AlexFokin [52]
200 - 8 is 192.
192/4 is 48.
There are 48 students on each train.
3 0
3 years ago
Read 2 more answers
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