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marin [14]
3 years ago
13

Classify the pair of angles, (complementary, supplementary, or vertical), then find the value of X.

Mathematics
1 answer:
Kruka [31]3 years ago
3 0

Answer:

30 | Vertical?

Step-by-step explanation:

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The time that it takes a randomly selected job applicant to perform a certain task has a distribution that can be approximated b
Gala2k [10]

Answer:

214.5 seconds or less time will qualify individuals for such training

Step-by-step explanation:

given that the time that it takes a randomly selected job applicant to perform a certain task has a distribution that can be approximated by a normal distribution with a mean value of 150 sec and a standard deviation of 25 sec.

i.e. X the time that it takes a randomly selected job applicant to perform a certain task is N(150,25)

The fastest 10% are the ones who are above the 90th percentile

We know 90th percentile for Z std normal score is 1.28

Corresponding X score would be

x=\mu+1.28 \sigma\\X= 150+1.28(25)\\= 214.50

Round off to one decimal

214.5 seconds or less time will qualify individuals for such training

3 0
3 years ago
Help me solve this with the steps please :/
Dima020 [189]

Answer:

Option (2)

Step-by-step explanation:

By applying tangent rule in the given right triangle,

tan(42°) = \frac{\text{Opposite side}}{\text{Adjacent side}}

tan(42°) = \frac{6}{\text{Width}}

Width = \frac{6}{\text{tan}(42)}

Width = 6.67

Therefore, width of the given triangle is 6.67 units.

Option (2) is the correct option.

3 0
3 years ago
A population of 240 animals decreases at an annual rate of 10%. Find the multiplier for the rate of exponential decay. a. 1.9. b
german
If the population of the animals decreases by 10% every year. This means that the population for the next year is 90% of that in the previous. The multiplier for the rate of exponential decay is therefore 0.90. The answer is letter B. 
6 0
3 years ago
Read 2 more answers
Which expression has a solution of 27, if r = 3? 8 r 6 r 9 r 7 r
ikadub [295]

Answer:

8r.

Step-by-step explanation:

If we substitute 3 into all of these equations, we get

8(3) which equals 24

6(3) which equals 18

9(3) which equals 27

7(3) which equals 21

8r is the one that equals 24 when 3 is substituted.

4 0
3 years ago
.194 times a million <br><br> 1.94x10^5<br><br> 19.4x10^-4<br><br> 194x10^3<br><br> 1.94x10^-5
Anit [1.1K]

Answer:

All of them are 194000 except 19.4x10^-4

Step-by-step explanation:

math

7 0
3 years ago
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