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Minchanka [31]
3 years ago
10

The perimeter of a triangle is 120. If the ratio of the

Mathematics
1 answer:
tester [92]3 years ago
7 0

Answer:

32

Step-by-step explanation:

total ratio =15

the length of the

shortest side

4*120/15

480/15

=32

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Is radical 3 times radical 3 equals to radical 9? Yes/No
Charra [1.4K]
\sqrt{m} * \sqrt{n} = \sqrt{mn} = \\  \sqrt{3}* \sqrt{3}= \sqrt{9}
Answer: Yes
7 0
3 years ago
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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
zepelin [54]

Answer:

If the task is performed in less than or equal to 130.8 seconds, then, the individuals qualify for advanced training.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 150 sec

Standard Deviation, σ = 15 sec

We are given that the distribution of time taken is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

We have to find the value of x such that the probability is 0.10

P(X < x)  

P( X < x) = P( z < \displaystyle\frac{x - 150}{15})=0.10  

Calculation the value from standard normal z table, we have,  

\displaystyle\frac{x - 150}{15} = -1.282\\x = 130.8  

Thus, if the task is performed in less than or equal to 130.8 seconds, then, the individuals qualify for advanced training.

8 0
3 years ago
Positive angles located in the fourth quadrant may be described as___.
gladu [14]

Answer:

Positive angles located in the fourth quadrant may be described as<u> 270≤Ф≤360 .</u>

The option is

4. 270≤Ф≤360

Step-by-step explanation:

When the terminal arm of an angle starts from the x-axis in the anticlockwise direction then the angles are always positive angles.

For Example.

Quadrant I    - 0 to 90°

Quadrant II   - 90° to 180°

Quadrant III  - 180° to 270°

Quadrant IV - 270° to 360° ( 4. 270≤Ф≤360  )

Hence,Positive angles located in the fourth quadrant may be described as<u> 270≤Ф≤360 .</u>

When the terminal arm of an angle starts from the x-axis in the clockwise direction than the angles are negative angles.

Quadrant IV  -          0° to -90°

Quadrant III   -      - 90° to -180°

Quadrant II    -      -180° to -270°

Quadrant I     -      -270° to -360°

5 0
3 years ago
Find the value of x.​
frozen [14]

Answer:

  • x + 42 + 58 = 180
  • x + 100 = 180
  • x = 80°

7 0
3 years ago
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Judys brother sam has a collection of 96 comic book. What are the ten way sam could divide his comic books into equal groups?
Georgia [21]
We have been given that Judy’s brother Sam has a collection of 96 comic books.
We have been asked to find the 10 ways Sam could divide his comic books into equal groups.
This can be done as follows:
96 can be written as .
Thus, we can either have 2 groups of 48 comics or 48 groups of 2 comics. As we can see we have 2 ways to divide the comic books in equal groups.
Likewise, 96 can also be written as . Here, we can similarly see that we can either have 3 groups of 32 comics or 32 groups of 3 comics. As we can again see we have 2 more ways to divide the comic books in equal groups, taking the total number of ways to 4.
Continuing in this manner we will see that we can have 4 groups of 24 or 24 groups of 4, 6 groups of 16 or 16 groups of 6 and lastly 12 groups of 8 or 8 groups of 12 comic books, thus taking the count to a total of 10 ways in which Sam can divide his comic books into equal groups.
4 0
2 years ago
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