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azamat
3 years ago
14

2log2 8 – 3 logs 25 + 2x = log 10,000 may you show the steps please

Mathematics
1 answer:
anzhelika [568]3 years ago
8 0

Answer: x=2 - 1/2 x ㏒(16/2953125)

Step-by-step explanation:

  • log (28^2) + log(525^-3) + 2x=log(10^4)
  • log(28^2 x 1/523^3) + 2x=4
  • log(28^2/525^3) + 2x=4
  • log (112/75 x 75 x 525) + 2x=4
  • log(16/2953125) + 2x=4
  • 2x=4-log(16/2953125)
  • <u><em>x=2-1/2 x log(16/2953125)</em></u>

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These are some maths gcse questions pls answer
astra-53 [7]

Answer:

The difference between 5 and a certain number is divided by 3. find the number if is equal to 7.

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2 years ago
PLEASE HELP ASAP , MARKING BRAINLIEST XOXO
dybincka [34]

Answer:

A. 13

B. 11

Step-by-step explanation:

4 0
3 years ago
Park rangers tagged fish in a state park to track their population. The function f(x)=200(1.05)x can be used to find the populat
Sedbober [7]

The given exponential function can be used to determine the

population of the fish at different times.

Response:

1. 200

2. 0.05

3. Please find attached the graph of the exponential function and the table

\begin{array}{|c|c|c}x&f(x)\\0&200 & y-intercept\\1&210\\3&231.525\\4&243.1\\5&255.26\end{array}

4. Range; [0, ∞)

Domain: [200, ∞)

5. 346 fishes (approximate value)

<h3>How is the population of the fish obtained from the exponential function?</h3>

The given function is f(x) = 200·(1.05)ˣ

1. The initial population is given by the value of the function when x = 0,

which is given as follows;

At x = 0, f(0) = 200·(1.05)⁰ = 200

  • The initial population of the fish is <u>200</u>

2. The rate of growth of the fish from the exponential function is given as follows;

The growth factor = 1.05

  • The growth rate =<u> 0.05</u>

3. Please find attached the graph of the exponential function created

with MS Excel.

The asymptote of the exponential function is the line, <u>y = 0</u>

The table of values is presented as follows;

\begin{array}{|c|c|c}x&f(x)\\0&200 & y-intercept\\1&210\\3&231.525\\4&243.1\\5&255.26\end{array}

4. The domain is the possible x-values which is; 0 ≤ x < ∞

The range is the possible y-values which is; 200 ≤ f(x) < ∞

Which gives;

  • Domain; [0, ∞)
  • Range: [200, ∞)

5. The population of the fish after 11 years is f(11) = 200·(1.05)¹¹

f(11) = 200 × (1.05)¹¹ ≈ 342

  • The population of the fish after 11 years is <u>346 (fishes)</u>

Learn more about exponential function here:

brainly.com/question/15662160

3 0
3 years ago
How would you simplify (-4r^5)(2r^8)? ​
german

Answer:

− 8 r^ 13

Step-by-step explanation:

Combine like terms

-4r and 2r= -8r

then add the exponents

5+8=13

THEN SIMPLIFY

-8r^13

8 0
4 years ago
ASAP HURRY! WILL UPVOTE YOUR ANSWER PLEASEANSWER THIS CORRECTLY
DaniilM [7]

Answer:

-35/40, -3/8, 81, 81.125

Step-by-step explanation:

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