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Dominik [7]
3 years ago
10

What would you do to isolate the variable in the following equation? 7 = c/2

Mathematics
1 answer:
disa [49]3 years ago
4 0

I would multiply both sides of the equation by 2 .

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The area of a triangle is 20 square feet.
sdas [7]
Since the equation is A= 1/2 times base times height, I did the base as 8 and the height as 5.
8 0
3 years ago
What is the inverse of the function f(x) = 2x – 10?
Papessa [141]

Answer:

(x+10)/2

Step-by-step explanation:

interchange the variables x and y

x=2y-10

solve for y

y=x+10/2

7 0
3 years ago
Which of the following are solutions to the Quadratic Equation? Check all that apply.
Triss [41]

Answer:

the answer is B

Step-by-step explanation:

7 0
3 years ago
HELP ME PLEASE!!!!!!!
MakcuM [25]

Given:

The graph of a line.

To find:

The equation of line and values of m and b. Check whether it is proportional or linear.

Solution:

From the given graph it is clear that, the line passes through (0,4) and (2,0). So, the equation of line is

y-y_1=\dfrac{y_2-y_1}{x_2-x_1}(x-x_1)

y-4=\dfrac{0-4}{2-0}(x-0)

y-4=\dfrac{-4}{2}(x)

y-4=-2x

Adding 4 on both sides, we get

y=-2x+4

On comparing this equation with slope intercept form, i.e., y=mx+b, we get

m=-2\text{ and }b=4

All lines are linear. If a line passes through the origin then it is proportional.

From the given graph it is clear that the line is not passing through the origin, i.e., (0,0). So, it is linear not proportional.

Therefore, the value of m is -2 and the value of b is 4. The equation of line is y=-2x+4.  The line linear not proportional because it does not passing through the origin.

4 0
2 years ago
Use square roots to solve the equation x ^ 2 = - 25 over the complex numbers. Select any solutions that apply A.-5 B. -5i C. -5i
Andre45 [30]

\begin{gathered}\\ \sf\longmapsto x^{2}=-25\end{gathered}

\begin{gathered}\\ \sf\longmapsto x^{2}=±5i\end{gathered}

\begin{gathered}\\ \sf\longmapsto x =  - 5 i\\ x = 5i\end{gathered}

\begin{gathered}\\ \sf\longmapsto x_{1} =  - 5i \: , x_{2} = 5i\end{gathered}

8 0
2 years ago
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