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VLD [36.1K]
3 years ago
10

Number 11. It's solving equations containing parentheses and having the variable in both sides.

Mathematics
1 answer:
Zielflug [23.3K]3 years ago
3 0
11.\\\\2(6d+3)=18-3(16-3d)\\\\12d+6=18-48+9d\\\\12d-9d=18-48-6\\\\3d=-36\\\\d=-12
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Answer:

120.0

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Step-by-step explanation:

5 0
3 years ago
Two-step equations. Solve X 7x - 32 = 3
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7x-32=3
7x=3+32
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15% of Mr.Rileys classes watch the local news. 136 of his students do not watch the local news. How many students are in Mr.Rile
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8 0
3 years ago
Three high school participated in a study to evaluate the effectiveness of a new computer-based mathematics curriculum. Four 24-
snow_tiger [21]

Answer:

A) experimental

B)  The important factors are : Type of instruction, scores and  High schools,

   The factor levels are :

   Level -1 which comprises of  3 highschool,

   Level -2 which comprises of  highschool and the highschool has  4   sections   and each section has 24 students

   Factor level combinations:

  Level 1 : computer and standard based combination

C) Within the subject : 24 students

   Between subject : High school

D) score of the test

E) student

Step-by-step explanation:

A) The study is experimental because of the random assignment of two different types of instruction to the students which will control/affect the technique of teaching without just observing the performance of the students from the side

B) The important factors are : Type of instruction, scores and  High schools,

   The factor levels are :

   Level -1 which comprises of  3 highschool,

   Level -2 which comprises of  highschool and the highschool has  4   sections   and each section has 24 students

   Factor level combinations:

  Level 1 : computer and standard based combination

C) Within the subject : 24 students

   Between subject : High school

D) The dependent measure  is the score of the test

E) The basic experiment unit of the study is : student

 

8 0
3 years ago
-5x - 2 =13 how do I solve this and what’s the answer
jonny [76]

Answer:

x= -3

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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