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Elza [17]
3 years ago
8

Which postulate or theorem proves CFE and DFE are congruent SAS AAS SSS ASA

Mathematics
2 answers:
Lelu [443]3 years ago
5 0
<h2><u><em>This would be the SSS theorem.</em></u></h2>

The reason would be because the diagram shows already that the two sides are congruent to the other two sides. The line in the middle is congruent to itself. (Reflexive Property) Because we now have three congruent sides, we can say that the SSS theorem proves the two triangles congruent

iren2701 [21]3 years ago
5 0

Answer:

SAS Congruence Postulate is correct. (I took the test.)

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The price of a video game was reduced from $60 to $45. by what percentage was the price of the video game reduced
storchak [24]

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It was reduce by 25%

Step-by-step explanation:

45                        so it would be reduced by 25%

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60

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PLEASE HELP SOLVE. i believe the answer is 50cm^2. can someone help.
hichkok12 [17]

Answer:

3 cm

Step-by-step explanation:

So the area of the total circle is:

\pi \times 5^{2}  = \pi \times 25

If you remove the outer band you have the area of the inner circle

25\pi - 16\pi = 9\pi

This means that the inner circle had an area of

area = pi * r^2

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r =

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4 0
3 years ago
The salt content in snack bags of pretzels is Normally distributed, with a mean of 180 mg and a standard deviation of 15 mg. Eig
xeze [42]

Answer: Yes you are correct. The answer is choice A

============================================================

Explanation:

If you used the z-table, you should find that P(Z < 1) = 0.84 approximately.

So by symmetry, P(Z > -1) = 0.84 approximately as well.

We'll convert the z score z = -1 into its corresponding x score

z = (x-mu)/sigma

-1 = (x-180)/15

-15 = x-180

x-180 = -15

x = -15+180

x = 165

We don't land on any of the answer choices listed, but we get fairly close to 165.2, which is choice A. So you are correct.

I have a feeling that the table you have is probably more accurate than the one I'm using, so it's possible that you'd land exactly on 165.2 when following the steps above.

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3 years ago
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