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Ivanshal [37]
3 years ago
8

What is the value of x

Mathematics
1 answer:
Llana [10]3 years ago
4 0

Answer:

180-45=135

2x-5=135

2x=140

x=70

Step-by-step explanation:

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Use substitution to solve the sy<br> 2x+3y = 19<br> x = 2y-1<br> Solve for x and y
svp [43]

Answer: Y=3, X=5

Step-by-step explanation:

2(2y-1) + 3y=19

4y-2+ 3y=19

7y=21

Y=3

Plug in y in the second equals

X=2(3) -1

X=6-1

X=5

Hope this helps!

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3 years ago
The library has 65,400 art books and 9,600 science book what part off all books are science books?
Mashcka [7]
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8 0
2 years ago
By what number (5/4)^6 should be divided to get (25/16)^8?
Naya [18.7K]

Answer:

X=(5/4)^-10

Step-by-step explanation:

(5/4)^6÷x=(25/16)^8

(5/4)^6÷x=(5/4)^16

1/X==(5/4)^16÷(5/4)^6

X=(5/4)^6÷(5/4)^16

X=(5/4)^-10

So the value of X is (5/4)^-10

6 0
3 years ago
Anyone know this please help
Harlamova29_29 [7]
3 runs because the tigers had 11 and the dodgers had 8
5 0
3 years ago
Read 2 more answers
Researchers investigated whether insomnia is related to education status. Adults living in a certain region were selected to par
Degger [83]

Answer:

A) 8 treatments

  1. Normal​ sleeper, high school dropout
  2. Normal​ sleeper, high school graduate
  3. .Normal​ sleeper, college graduate
  4. Chronic​ insomnia, college graduate
  5. Chronic​ insomnia, high school graduate
  6. Chronic​ insomnia, high school dropout
  7. Normal​ sleeper, some college
  8. Chronic​ insomnia, some college

B) 8 treatments

Step-by-step explanation:

<u>A) determine the number of treatments for this study </u>

The number of treatments for this study can be determined as : 2 * 4 = 8 treatments

and they are :

  1. Normal​ sleeper, high school dropout
  2. Normal​ sleeper, high school graduate
  3. .Normal​ sleeper, college graduate
  4. Chronic​ insomnia, college graduate
  5. Chronic​ insomnia, high school graduate
  6. Chronic​ insomnia, high school dropout
  7. Normal​ sleeper, some college
  8. Chronic​ insomnia, some college

B) eight (8 ) treatments

7 0
3 years ago
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