What is the solution for 8y=-40 ( , )

Step-by-step explanation:

Division property of equality- is a dividing both sides of an equation by the same non-zero number it does not change the equation.

a÷c=b÷c for c≠0

Checking a solution.

1. First you had to rewrite the original equation

2. Then you substitute the value for the variable

3. Finally simplify.

First you had to divide by eight from both sides of an equation form.

Final

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-Charlie

the answer is f(x)=2x-1

step-by-step explanation:

the correct option is 2.

step-by-step explanation:

according to the given information triangle abc is a right angle triangle with right angle at a. segment ab is 5 and segment ac is 7. point d is on segment bc and angles adb and adc are right angles.

it is given that triangles abd, cad, and cba are similar.

two triangles are similar if their corresponding sides are proportional.

in triangle cba, using pythagoras theorem

                      )

triangle abd and cba are similar,

                            (2)

triangle cad and cba are similar,

                      )

using (1), (2) and (3), we get

hence proved.

therefore option 2 is correct.