Answer:
The method of solving "by substitution" works by solving one of the equations (you choose which one) for one of the variables (you choose which one), and then plugging this back into the other equation, "substituting" for the chosen variable and solving for the other. Then you back-solve for the first variable.
Step-by-step explanation:
Hope this helps you
Answer:
22848 is your answer after you subtract the interest rate
Step-by-step explanation:
Answer: r=(-189)
first you subtract both sides by 8 and get -21=r/9
then you multiply 9 with each side and get -189 = r
you can check by rewriting the problem with -189 as r and solving the equation
Answer:
180 cm^3
Step-by-step explanation:
A=lw
A=20×9
A=180
Answer:
Step-by-step explanation:
The tangent equation = side opposite angle / side beside angle
which in this case is ![tan\alpha =AC/ BC](https://tex.z-dn.net/?f=tan%5Calpha%20%3DAC%2F%20BC)
which is the third choice
Hope that helps!