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Dima020 [189]
2 years ago
6

Solve the equation for the variable.

20-%206" id="TexFormula1" title=" \frac{2}{5} x + 15 = x - 6" alt=" \frac{2}{5} x + 15 = x - 6" align="absmiddle" class="latex-formula">
x = [?]​
Mathematics
2 answers:
nevsk [136]2 years ago
8 0
X= 35 hope this helpsss
Marizza181 [45]2 years ago
6 0

Answer:

<h2>x = 35</h2>

Step-by-step explanation:

\frac{2}{5} x + 15 = x - 6

First multiply through by 5 to eliminate the fraction

That's

5 \times  \frac{2}{5} x + 15(5) = 5x - 30 \\ 2x + 75 = 5x - 30

Next using the subtraction property subtract 5x from both sides

That's

2x - 5x + 75 = 5x - 5x - 30 \\  - 3x + 75 =  - 30

<u>Next subtract 75 from both sides</u>

- 3x + 75 - 75 =  - 30 - 75 \\  -  3x =  - 105

<u>Divide both sides by - 3</u>

\frac{ - 3x}{ - 3}  =  \frac{ - 105}{ - 3}

We have the final answer as

<h3>x = 35</h3>

Hope this helps you

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Bas_tet [7]

Step-by-step explanation:

it is option c. you interchange the value with y and take inverse.

8 0
2 years ago
5. Let A = (x, y), B = {1,2). Find the Cartesian products of A and B: A x B? (Hint: the result will be a set of pairs (a, b) whe
hichkok12 [17]

Answer: A x B = {(x,1), (x,2), (y,1), (y,2)}

Step-by-step explanation:

The Cartesian product of any two sets M and N is the set of all possible ordered pairs such that the elements of M are first values and the elements of N are the second values.

The Cartesian product of sets M and N is denoted by M × N.

For Example : M = {x,y} and N={a,b}

Then , M × N ={(x,a), (x,b), (y,a), (y,b)}

Given : Let A = {x, y}, B = {1,2}

Then , the Cartesian products of A and B will be :

A x B = {(x,1), (x,2), (y,1), (y,2)}

Hence, the Cartesian products of A and B = A x B = {(x,1), (x,2), (y,1), (y,2)}

8 0
3 years ago
I need help please answer I need help please answer
DENIUS [597]

Answer:

24+70+56=150

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
3. Identify the transformation(s) that has taken place in the pictures below. Be as specific as possible!
GuDViN [60]

Answer:

A. Reflection

B. Rotation and Translation

C. Translation

Step-by-step explanation:

We are given the figures transformed to different figures.

According to the options,

A. We see that,

Triangle ABC is reflected about the line y=x to obtain the triangle A'B'C'.

B. In the second figure, we get,

Triangle RST is rotated clock-wise around the point T and then translated 2 units to the right to obtain R'S'T'.

C. We have,

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5 0
2 years ago
Solve.<br> x^2+9x+2=0<br> thanks!
shtirl [24]
Step one:
ALWAYS set equation equal to zero, which in this case has already been done for us.

Step two:
Figure out what formula you need to use in order to solve in this case I'd use the Quadratic formula.

a=1
b=9
c=2

Quadratic formula:
x =  \frac{ - b +  -  \sqrt{(b) ^{2}  - 4(a)(c)} }{2(a)}
Then you would plug in the information.
x = \frac{ - 9+  -  \sqrt{(9) {}^{2} - 4(1)(2) } }{2(1)}
The solve for what is underneath the square root ONLY.
x =  \frac{ - 9 +  -  \sqrt{73} }{2}
Since you cannot solve this any further, your final two answers are...
x =   \frac{ - 9 +  \sqrt{73} }{2}
x =   \frac{ - 9 -  \sqrt{73} }{2}






3 0
3 years ago
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