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aleksandr82 [10.1K]
2 years ago
15

Solve or simplify the following 2-2log5

Mathematics
1 answer:
weqwewe [10]2 years ago
5 0

Logarithm are inverse of an exponential function. The simplified form of the expression is log4

<h3>Logarithm and indices</h3>

Logarithm are inverse of an exponential function. Given the expression

2-2log5

This can also be expressed as;

2 - log5^2

= 2 - log 25

= log 100 - log 25

= log(100/25)

=log4

Hence the simplified form of the expression is log4

Learn more on logarithm here: brainly.com/question/25710806

#SPJ1

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The inches of rainfall in the rainforest is represented by the function f(x) = 3(x-2)+ 4. What is the average rate of change bet
nata0808 [166]

Answer:

The average rate of change of rainfall in the rainforest between 2nd year and 6th year = <u>3 inches</u>

Step-by-step explanation:

Given function representing inches of rainfall:

f(x)=3(x-2)+4

To find the average rate of change between the 2nd year and the 6th year.

Solution:

The average rate of change between interval [a,b] is given as :

\frac{f(b)-f(a)}{b-a}

For the given function we need to find the average rate of change between 2nd year and 6th year. [2,6]

So, we have:

f(2)=3(2-2)+4=3(0)+4=4

f(6)=3(6-2)+4=3(4)+4=12+4=16

Thus, average rate of change will be:

\frac{f(6)-f(2)}{6-2}

⇒ \frac{16-4}{6-2}

⇒ \frac{12}{4}

⇒ 3

Thus, the average rate of change of rainfall in the rainforest between 2nd year and 6th year = 3 inches

8 0
3 years ago
Melissa put her cat, Herman, on a diet and kept track of his weight. At the end of 4 weeks, she recorded Herman's weight change
vampirchik [111]
-103
if he lost the same weight each week that means -412 (the weight he lost) ÷ 4 (number of weeks) = -103 (amount of weight lost in one week)
8 0
2 years ago
Read 2 more answers
The middle questions answer, plz help
Nookie1986 [14]
Im pretty sure its 58. your welcome
6 0
3 years ago
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Simplify: 0.810×0.00048 all over 0.000400×0.027
elixir [45]

Answer:

36

Step-by-step explanation:

Okay! This question is a very simple one, but without a calculator, your answer could easily vary from others! So, let´s do this one together!

The equation:

0.810x0.00048/0.000400x0.027

Let´s do the top :

0.810 x 0.00048 = 0.0003888

I will leave these numbers the same until the last part, lets not round them.

Bottom:

0.0004 x 0.027 = 0.0000108

And again I am not going to round this number.

Now we can divide!

0.0003888/0.0000108 = 36

I hope this helped!

4 0
3 years ago
Read 2 more answers
Put the following rational numbers in order from least to greatest.<br><br> -8.2, 0.4, -2.5, 2.4
Lena [83]

Answer:

-8.2,-2.5,.4,2.4

Step-by-step explanation:

start by negatives. negatives are lesser the higher they are. so -8.2 is less than -2.5. then positives are greater than negatives. .4 is less than 2.4. hope this helps

3 0
3 years ago
Read 2 more answers
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