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kari74 [83]
3 years ago
6

Apply the distributive property to create an equivalent expression.

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
4 0

Answer:

3 + 2k

Step-by-step explanation:

Given:

1/5(15 + 10k)

= (1/5 * 15) + (1/5 * 10k)

= (1 * 15)/5 + (1 * 10k)/5

= 15/5 + 10k/5

= 3 + 2k

Therefore,

1/5(15 + 10k) = 3 + 2k

The equivalent expression is 3 + 2k

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Can anyone help me with this?
siniylev [52]

Answer:

1.  280/11

2. 1700/11

3. 280/11

4. 3600

5. 360

Step-by-step explanation:

Let n = sides of a regular polygon

For these problems, n = 22 because there are 22 sides.

I am going to write the formulas needed for each question below.

  1. 360/n
  2. 180 - 360/n
  3. 360/n
  4. 180(n-2)
  5. 360 (isn't affected by n)

To solve, just plug in N with 22.

These formulas are very easy to prove and I recommend if you have time try to prove these.

5 0
3 years ago
Find the value of x in the given figure​
Andrew [12]

Answer:

x = 32

Step-by-step explanation:

(2x + 60) + (3x - 40) = 180  because they are supplementary angles

5x + 20 = 180

5x = 160

x = 32

7 0
3 years ago
A clerk has 4 different letters that need to go in 4 different envelopes. What is the probability that all 4 letters are placed
Burka [1]

1/4 * 1/3 * 1/2 * 1/1 = 1/24 chance that all 4 letters are placed in the correct envelopes.

With the first envelope, there are 4 choices of letters, so the probability of picking the correct letter is 1/4.

With the second envelope, there are 3 remaining letters, so the probability of picking the correct letter is 1/3.

The same logic follows the the third and final letter.

7 0
3 years ago
A carpenter is creating a circular wooden table with a radius of 4 feet and needs to know the area of the table to purchase the
JulijaS [17]

Answer: The area of the circular wooden table = 50.24 ft²

Step-by-step explanation:

Given: The radius of the circular table = 4 feet

We know that area of a circle is given by :-

\text{Area}=\pi r^2

Therefore, the area of circular wooden table is given by :-

\text{Area}=3.14(4)^2\\\Rightarrow\ 3.14\times16\\\Rightarrow\text{Area=}50.24\ ft^2

The area of the circular wooden table = 50.24 ft²

3 0
3 years ago
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kirza4 [7]
120 students are in the 7th grade.
8 0
2 years ago
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