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AURORKA [14]
2 years ago
15

Hey! please help i’ll give brainliest

Mathematics
1 answer:
V125BC [204]2 years ago
3 0

Answer:

The answer is D

Step-by-step explanation:

If and Then are italicized

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Help PLEASE. I got number 3 but I can't figure out number 4.
Sergeeva-Olga [200]

Answer:

Verify the identity using trig rules.

tan  (  x  −  π /2  )  =  − cot  (  x  )  is an identity

Step-by-step explanation:

i think this is it, hope it helps

6 0
3 years ago
E D 1389 xo С 76.2° B А Find the value of x. O 38.1 O 30.9 69 O 61.8​
DanielleElmas [232]

Based on the intersecting secants theorem, the value of x is: B. 30.9°

<h3>What is the Intersecting Secants Theorem?</h3>

The intersecting secants theorem states that when two secants intersect, the measure of the angle they form is half the difference of the intercepted arcs.

Thus, based on the intersecting secants theorem, we would have the following:

x = 1/2(138 - 76.2)

x = 1/2(61.8)

x = 30.9°

Learn more about intersecting secants theorem on:

brainly.com/question/1626547

6 0
2 years ago
An absentminded professor does not remember which of his 12 keys will open his ocedoor. Suppose he tries them at random and with
kipiarov [429]

Answer: 0.0052

Step-by-step explanation:

Total number of times experiment was performed (n)= 12

Probability of the event (that one key out of a total of 12 opens the door) = 1/12 = 0.083

Hence, p = 0.83

q = 1 - p = 11/12 = 0.917

x = 3

Since the experiment was performed n number of times, a binomial probability distribution can defined the experiment.

P(x=r) = nCr ×p^r × q^n-r

P(x=3) = 12C3 × (0.083)⁴ × (0.917)^8

P(x=3) = 220 × (0.083)⁴ × (0.917)^8

P(x=3) = 0.0052

8 0
3 years ago
Help please thank youuu
adelina 88 [10]

Answer:

48

Step-by-step explanation:

8 0
2 years ago
Use the Proportionality Theorem to solve for X.
aleksandr82 [10.1K]

The proportion of 16 to 4 is 4 is 1/4 of 16( 4/16 = 1/4)

So x would be 1/4 of 12

12/4 = 3

X = 3

8 0
2 years ago
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