Well when u multiply 1 times something u get the same #
Answer:
Proved
Step-by-step explanation:
Given

Required
Prove
On the right hand side, we have:

Rewrite:


Apply law of indices


Express 6 as 3.5 + 2.5

Open bracket

Proved
Answer:
Top row: [1 0 0 | 650}
Middle row: [0 1 0 | -400]
Bottom row: [0 0 1 | -1100]
Step-by-step explanation:
When you put an augmented matrix in RREF for, you have to have only 1's diagonal and 0's everywhere else on the left side of the bar.
<h2>p=7</h2>
Step-by-step explanation:

Divide both sides of the equation by 5

Simplify

Answer:
∠AMB = 54°
Step-by-step explanation:
2x + (x + 9) = 90°
3x + 9° = 90°
3x = 81°
x = 27°
∠AMB = 2x = 54°