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motikmotik
2 years ago
7

Solve the equation 3x+4=20​

Mathematics
2 answers:
Slav-nsk [51]2 years ago
4 0

Answer:

x=8

Step-by-step explanation:

Ilya [14]2 years ago
3 0

Answer:

3x + 4 = 20

<u> _-_4_-_ 4_</u>

 <u>  _3x</u>_ =<u>_ 16_</u>

       3         3

Step-by-step explanation:

x = <u> 16_</u>

       3

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fenix001 [56]

Answer:

1. A

2. B

3. A

Step-by-step explanation:

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5 0
2 years ago
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I think it's A

Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
Two cells are viewed and measured under a microscope. The approximate diameter
nikklg [1K]

Answer:

option D. 4.7 x 10-4 m

Step-by-step explanation:

<u><em>The correct question is</em></u>

• cell P: 5.0 x 10-4 meters

• cell Q: 3.0 x 10-5 meters

we have            

The diameter of cell P is  5*10^{-4}\ m

The diameter of cell Q is  3*10^{-5}\ m

Rewrite the diameter of cell P as    

5*10^{-4}\ m=5*10^{-4}(\frac{10}{10})=50*10^{-5}\ m

Find the difference

50*10^{-5}\ m-3*10^{-5}\ m=47*10^{-5}\ m

Rewrite the difference as

47*10^{-5}\ m=47*10^{-5}}(\frac{10}{10})=4.7*10^{-4}\ m

7 0
3 years ago
a 36 inch board is to be cut into three pieces so that the piece is twice as long as the first piece and the third piece is 3 ti
ICE Princess25 [194]

Answer:

First piece = 6 inches

Second piece = 12 inches

Third piece = 18 inches

Step-by-step explanation:

Length of the first piece = x

Length of the second piece = 2x

Length of the third piece = 3x

Total length is 36 inches:

x + 2x + 3x = 36

6x = 36

x = 6

Therefore, the lengths are:

First piece = 6 inches

Second piece = 12 inches

Third piece = 18 inches

7 0
3 years ago
Help pls I'm running out of points &amp; brain cells lol T^T
marshall27 [118]

Answer:

- 4.7

Step-by-step explanation:

Step 1:

c - 1.5 + 6.8 = 0.6

Step 2:

c + 5.3 = 0.6

Step 3:

c = 0.6 - 5.3

Answer:

c = - 4.7

Hope This Helps :)

3 0
2 years ago
Read 2 more answers
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