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artcher [175]
2 years ago
11

Anyone mind helping me ?

Mathematics
1 answer:
storchak [24]2 years ago
3 0

Answer:

<GOJ

Step-by-step explanation:

O is the center of the circle

So central angle is <GOJ

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During the assembly of a certain piece of exercise equipment, 3 welds are required during different phases of the assembly proce
Karolina [17]

Answer:

99.9973 %

Step-by-step explanation:

This is a binomial probability distribution.

Since the probability of satisfactory welds = 97% = 0.97 and the probability of defective welds = 3% = 0.03.

Since there are 3 welds and we require at least one being defective, our binomial probability is

P(x ≥ 1) = 1 - P(x ≤ 0) = 1 - P(0) = 1 - ³C₀(0.03)³(0.97)⁰ = 1 - 1 × ‭0.000027‬ × 1 = 1 - 0.000027 = 0.99997‬3 × 100% = 99.9973%

5 0
3 years ago
One year, the population of a city was 225,000. Several years later it was 236,250. Find the percent increase.
vampirchik [111]

Based on the information given the percentage increase is 5%.

<h3>Percentage increase</h3>

Using this formula

Percentage increase=Population several years later-Population for year/Population for one year×100%

Let plug in the formula

Percentage increase=236,360-225,000/225,000×100

Percentage increase=5%

Inconclusion  the percentage increase is 5%.

Learn more about percentage increase here:brainly.com/question/11360390

4 0
2 years ago
If 6x-4 is 11 less than 25,what is the value of 9x
sashaice [31]

Answer:

27

Step-by-step explanation:

If 6x-4 is 11 less than 25, what is the value of 9x can be rewritten as:

6x-4=25-11, what is the value of 9x?

Let's solve for x first by using the given information: 6x-4=25-11

1. 6x-4=25-11

2. 6x-4=14

3. (isolate x by adding 4 on both sides) 6x=18

4. x=3

The question asks for the value of 9x. Since we know x=3...

9x=9 times 3=27

9x=27

6 0
3 years ago
This right? ppl giving me mixed answers<br>PlEASE HELPPPP​
almond37 [142]

Answer:

Uh yeah Its right...i think

Just make sure if its right

4 0
3 years ago
Please please I need help. What is the value of X
natita [175]

Answer:

<u>x = 25</u>

Step-by-step explanation:

<u>Solving</u>

  • ∠CAD = 1/2 ∡ CD
  • 180° - 90° - (2x)° = 1/2 (80°)
  • 2x = 90° - 40° = 50°
  • <u>x = 25</u>

8 0
2 years ago
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