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jeyben [28]
3 years ago
6

3(10 - x) = 21 30 - 21 30 - 3x = 21 - 3x - 3x -9 = X =

Mathematics
2 answers:
Olenka [21]3 years ago
8 0

Step-by-step explanation:

I am answering blanks left to right and top to bottom.

3x

30 30

-9

-3 -3

x = 3

xxMikexx [17]3 years ago
3 0

Answer:

x=3

hope this answers is ok na

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Two consecutive odd integers have a sum of 32. Find the integers.
bezimeni [28]
Let
x = first consecutive odd
x + 2 = second consecutive odd

Based on the problem, we equate
x + (x + 2) = 32
Solving for x,
2x + 2 = 32
2x = 32 - 2
2x = 30
x = 30/2
x = 15
and x + 2 = 15 + 2 = 17

Therefore, the integers are 15 and 17.
6 0
3 years ago
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Airida [17]
For any values less than -3, the answer is undefined, because then you have a negative value for √x+3
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3 years ago
The cruising speed of the bullet train will be at least 170 miles per hour. Use s to represent the train's cruising speed (in mi
salantis [7]

Answer:

s ≥ 170

Step-by-step explanation:

The problem raises the following statement: "The cruising speed of the bullet train will be at least 170 miles per hour"

Which means that the train has a speed of 170 miles for now or higher, knowing this we can pose the inequality.

Knowing that "s" is the train's cruising speed (in miles per hour), we have to:

s ≥ 170

This would be the inequality that the statement represents.

6 0
3 years ago
Xenia has 100,000,000 people. Of this population, 25,000,000 residents are below age 16, and 10.000,000 have given up looking fo
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5 0
3 years ago
What is the value of z in the equation 2(4z − 6 − 6) = 170 − 46? 12. 5 15. 5 16. 5 18. 5.
Svetlanka [38]

Answer:

z = 18.5

Step-by-step explanation:

2(4z − 6 − 6) = 170 − 46

2(4z - 12) = 124

8z - 24 = 124

8z = 148

z = 18.5

8 0
3 years ago
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