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snow_lady [41]
3 years ago
12

How do I solve radical equations?​

Mathematics
2 answers:
earnstyle [38]3 years ago
7 0
radical equation is solved by simply squaring or cubing both sides of the equation. For example:
(2x + 9) =5
(2x + 9)^2 =5^2

Then, continue to isolate the variable:
2x+9=25
2x + 9 - 9 = 25 -9
2x/2 = 16/12
X=8
s344n2d4d5 [400]3 years ago
6 0

Answer:

Isolate the radical expression.

Square both sides of the equation: If x = y then x2 = y2.

Once the radical is removed, solve for the unknown.

Check all answers.

hope this helps yo (:

Step-by-step explanation:

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3m+n=10<br>5m-2n=2<br>what is the answer for this one ​
svlad2 [7]

Answer:

m = 2

n = 4

Step-by-step explanation:

Ok so to solve this, you want to get it so there is only one variable and then solve that equation. To do this, you can start by doing:

3m + n = 10

multiply both sides by 2

6m + 2n = 20

now, in both of your equations you have 2n so you can add the two equations:

6m + 2n = 20

+ 5m - 2n = 2

11m = 22

divide both sides by 11

m = 2.

Now, plug this value into the original equation, 3m + n = 10:

3 * 2 + n = 10

6 + n = 10

subtract 6 from both sides

n = 4

6 0
3 years ago
What is the slope in the table below
eduard

Answer:

<h2>The table does not show a linear function</h2>

Step-by-step explanation:

\text{The formula of a slope:}\\\\m=\dfrac{y_2-y_1}{x_2-x_1}\\\\\text{From the table we have:}\\\\(5,\ 24),\ (10,\ 21),\ (15,\ 17),\ (20,\ 13)\\\\\text{Check}\\\\\dfrac{21-24}{10-5}=\dfrac{-3}{5}=-\dfrac{3}{5}\\\\\dfrac{17-21}{15-10}=\dfrac{-4}{5}=-\dfrac{4}{5}\\\\-\dfrac{3}{5}\neq-\dfrac{4}{5}

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The difference of two numbers is 57. the larger number is three less than six times the smaller number. find the numbers.
Sauron [17]
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!!!URGENT!!!
aleksklad [387]

Answer:

-3 > v     v > 11

Step-by-step explanation:


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