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3 years ago

Use the information in the picture.

Mathematics

1 answer:

Katarina [22]3 years ago

8 0

Yes, parallelogram congruent angles theorem

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What is the measure of an interior angle of a regular three-sided polygon?

noname [10]

The formula to find the measure of an interior angle is $(n - 2) * 180/n$ , where $n$ represents the number of sides in the polygon. In this problem, $n$ would represent $3$ .

Let's plug in the value for $n$
$(3 - 2) * 180/3$
Let's simplify that.
$=60$

Now we know that the measure of an interior angle of a regular three-sided polygon is 60°. Your answer would be B!

Let me know if you have any questions regarding this problem!
Thanks!
-TetraFish

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3 years ago

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A group of four components is known to contain two defectives. An inspector tests the components one at a time until the two def

Stells [14]

Answer:

when Y = 2, P(2) = 1/6 = 0.167

when Y = 3, P(3) = 2/6 = 0.333

when Y = 4, P(4) = 3/6 = 0.5

Step-by-step explanation:

Total number of possible ways to choose 2 components for defectives out of 4 components = 4C2 = 6

Y can only take values of 2, 3 and 4

So, Probability of Y = P(Y) = 1C(Y-1) / 6

when Y = 2, P(2) = 1/6 = 0.167

when Y = 3, P(3) = 2/6 = 0.333

when Y = 4, P(4) = 3/6 = 0.5

4 0

3 years ago

If n(A) =15 n (B) = 9 n(A∩B) =4 find n(A U B)

Xelga [282]

Answer:

Step-by-step explanation:

n(A) only =15-4=11

n(B) only=9-4=5

n(A n B)=4

n(A U B)=11+5+4=20

5 0

3 years ago

Please help! i do not understand !

cluponka [151]

Answer:

Step-by-step explanation:

Know that two angles added equals 180

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3 years ago

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Need help with this math question (pic included)

Kamila [148]

Answer:

Step-by-step explanation:

If the only zero for this function is at x = - 4 it looks like this:

f(x) = (x+4)(x+4) = x^2 +8x + 16 so j = 8

6 0

2 years ago

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