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Andrei [34K]
3 years ago
11

4(t+25) = (t+50) - 4 (0.15t)

Mathematics
1 answer:
LenKa [72]3 years ago
6 0

Answer:

4(t+25) = (t+50) - 4 (0.15t)

4t + 100 = t + 50 - 0.6t

4t + 100 = 50 + 0.4t

4t - 0.4t + 100 = 50 + 0.4t - 0.4t

3.6t + 100 = 50

3.6t + 100 - 100 = 50 - 100

3.6t = -50

3.6t / 3.6 = -50 / 3.6

t = - 13.9

Step-by-step explanation:

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Insert parenthesis to make the<br> following true.<br> 8 + 9x3 - 1 = 50
Serjik [45]

Answer:

(8+9) 3 - 1 = 50

Step-by-step explanation:

8 + 9 = 17

17 x 3 = 51

51 - 1 = 50

8 0
2 years ago
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LA = 5x -5<br> B = 3 + 13<br> B<br> Solve for r and then find the measure of B:
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Answer:

x = 9º

∠B = 40º

Step-by-step explanation:

5x-5º = 3x+13º

<em>[add 5 to both sides]</em>

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<em>[subtract 3x from both sides]</em>

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<em>[divide each side by 2]</em>

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/ / / / / / / / / / / / / / / / / / /

3x+13º = 3(9º)+13º=27º+13º = 40º

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3 years ago
Under her cell phone plan, Aubrey pays a flat cost of $57.50 per month and $4 per gigabyte . She wants to keep her bill at $75.1
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57.50+4x=75.10

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4 0
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The frequency table shows the students' scores on a recent math test.what percentage of the students scored at least 81 on the t
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Answer:

54%

Step-by-step explanation:

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8 0
2 years ago
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Which of the following pairs of functions are inverses of each other ​
Ghella [55]

Option (A) represents the function and its inverse of a function option (A) is correct.

<h3>What is a function?</h3>

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

We have a function and inverse of a function shown in the picture.

Checking for option (A):

\rm f(x) = \dfrac{x}{4}+10 \ \ \ and \  \ \ g(x)  = 4x -10

Taking f(x):

\rm f(x) = \dfrac{x}{4}+10

To find the inverse of a function interchange the x and y variables:

f(x) → x

x  → g(x)

\rm x = \dfrac{g(x)}{4}+10

Solving:

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Similarly, we can find the inverse of a function.

Thus, option (A) represents the function and its inverse of a function option (A) is correct.

Learn more about the function here:

brainly.com/question/5245372

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