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Mathematics

1 answer:

lukranit [14]3 years ago

5 0

<h3>Answer: 31 degrees</h3>

This is because rotations preserve angles. The angle measures won't change. That's why angle BCD is the same as angle B'C'D'. This applies to any rotation (regardless how much you rotate), any translation, any reflection, and any dilation.

Note: dilations will change the side lengths

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Which ordered pair represents the solution to:

Serjik [45]

2x6=12
3x6=18
12+18=22

2x3=6
2x6=12

6+12=18

8 0

3 years ago

Could you explain what the answer is and why? I am not sure of how to do this

lidiya [134]

D, because after being reflected onto itself or turning 180 degrees, you would be transforming onto itself. I hope this helps!

8 0

3 years ago

Read 2 more answers

Suppose that w and t vary inversely and that t = 5/12

Svetlanka [38]

Answer:

Option B. t=5/3w ;1/3

Step-by-step explanation:

We are told that $w$ varies Inversely with $t$ thus generally speaking $w$ ∝ $\frac{1}{t}$ since they are inverted, <u>otherwise</u> if they were proportionally varied then $w$ ∝ $t$ . This means that there is a constant value ( $a$ ) for which $w$ is inversely proportional to $t$ and can be mathematically expressed as:

$w=\frac{a}{t}$ Eqn. (1)

Now since we are given the values of $w=4$ and $t=\frac{5}{12}$ , we can plug them in Eqn. (1) and find our constant of proportionality $a$ as follow: