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tester [92]
3 years ago
8

What is the solution to the equation x/2-4=6​

Mathematics
2 answers:
eduard3 years ago
4 0

For this case we must find the value of "x" of the following equation:

\frac {x} {2} -4 = 6

So:

We add 4 sides of the equation:

\frac {x} {2} = 6 + 4\\\frac {x} {2} = 10

We multiply by 2 on both sides of the equation:

x = 20

Thus, the value of the variable x is 20

Answer:

x = 20

-Dominant- [34]3 years ago
3 0

<u>Answer</u>

x = 20

<u>Explanation</u>

Multiply the entire equation by 2 to get rid of the fraction.

x/2 * 2 = x

-4 * 2 = -8

6 * 2 = 12

Now, we have:

x - 8 = 12

To complete, add 8 to both sides

x = 20

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Simplify by factoring. What are the excluded values? Choose all that apply.
makvit [3.9K]

Answer:

x = -2

x = 8

Step-by-step explanation:

Excluded values are the ones which make the denominator zero

3x² + x - 10

3x² + 6x - 5x - 10

3x(x + 2) - 5(x + 2)

(x + 2)(3x - 5)

x² - 6x - 16

x² - 8x + 2x - 16

x(x - 8) + 2(x - 8)

(x - 8)(x + 2)

[(x + 2)(3x - 5)] ÷ [(x - 8)(x + 2)]

(3x - 5)/(x - 8)

So excluded values are 8, -2

6 0
3 years ago
You want to estimate the mean amount of time college students spend on the Internet each month. How many college students must y
KonstantinChe [14]

Answer:

752.95

Step-by-step explanation:

Data provided in the question

The standard deviation of population = 210

The Margin of error = 15

The confidence level is 75%, so the z value is 1.96

Now the required sample size is

= 1.96^2\times \frac{210^2}{15^2}

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Hence, the number of college students spends on the internet each month is 752.95

Simply we considered the above values so that the n could come

8 0
3 years ago
Question:<br> 15-4+ (7 - 5)
GREYUIT [131]

Answer:

13

Step-by-step explanation:

15 - 4 + 7 - 5 = 13

Simply expand the brackets and subtract and add accordingly.

3 0
3 years ago
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Factor the polynomial. Factor completely. <br><br> 11xy^5 + 77x^2y^4
ozzi

Answer:

11xy^4(y+7x)

Step-by-step explanation:


6 0
4 years ago
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Here is your answer

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HOPE IT IS USEFUL
8 0
3 years ago
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