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miss Akunina [59]
3 years ago
11

Plz help!!!!! For 30 pts! Questions 18,19, and 20!!!

Mathematics
2 answers:
antoniya [11.8K]3 years ago
8 0
18. 6.5 meters of ribbon
19. 11.6 gallons of gas
20. 5 weeks
Effectus [21]3 years ago
3 0

18.  6.5 meters,  you divide 5.98 by 0.92 and get 6.5.

19.  11.6 gallons, because again when you divide 329.44 by 28.4, you will get 11.

20.   5 weeks because when you divide 24.75 by 4.95 you get 5.

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The number of students of 7 more than 5 times the number of teacher. there are 12 theacher. how many students are there?
Alborosie

students =7+5*teachers

students = 7+5*12

students = 7+60

students = 67

5 0
3 years ago
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4 0
2 years ago
Solve the inequality state your answer algebraicly and in interval notation<br> 4(n-3)-2n&lt;-10+2n
AlexFokin [52]

Answer:

See below

Step-by-step explanation:

Expand L side to get

4n -12   -2n  <  -10 + 2n     simplify L side

2n -12   <  -10 +2n      subtract 2n from both sides

<u>-12 < -10 </u>    <===== so the equation is true for ALL n

(-∞  ,  + ∞ )

4 0
1 year ago
Can someone please help answer this question.
svet-max [94.6K]
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5 0
3 years ago
6. Find the product:<br> (x² + 8x - 3)(x + 1)
olga_2 [115]

Answer:

x^3+9x^2-3x^2-3

Step-by-step explanation:

You can use a various of methods but when you use the box method you multiply each separately.

Like you would multiply x² by x, 8x by x, -3 by x (thats the first row)

x² by 1, 8x by 1, -3 by 1 ( for the second row)

Then you get those final variables and combine like terms getting the answer above

8 0
3 years ago
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