Anna is given the equation 5 + 3x = 3x + 5
1 answer:
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#10
Volume of a cylinder:
r²h
Plug the numbers in.
3²15 = <span>424
</span>
The volume of the pipe is 424 cm³.
Volume of a cylinder:
Plug the numbers in.
</span>
The volume of the pipe is 424 cm³.
Answer:
<u><em>Part A:</em></u> D.
<u><em>Part B:</em></u> C.
Step-by-step explanation:
For part A) we just have to plug in 0 for x and solve for y until we find the equation that says 3 is the value for y when x is 0. For purposes of speeding up the process the correct answer is D. I will show how to check for it now.
The equation:
Now plug in 0 for x.
Now solve.
y = (1)(3)
y = 3
This proves that this is the correct answer.
For part B) we just have to plug in the give values for x separately and check for each value of x that it equals 0. For the purpose of speeding up the process the correct answer is C. I will show how to check for it now.
The equation:
Now plug in x for 0 and solve:
This equation is true, now we check for the other value of x, 3.
This is also true so that means this is the correct answer.