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Eva8 [605]
3 years ago
14

A set of numbers is shown:

Mathematics
1 answer:
Studentka2010 [4]3 years ago
6 0
3x + 3 > or equal to 21
3x > -3 +21
3x>18
x> 18/3
x> or equal to = 6
3(6) + 3 > 21
18 + 3 > 21
21> 21
So remember greater than or equal to

6 for x is equal to
12 for x is greater than
3(12)

18 for x is greater than 21. 3(18)

Answer is (6,12,18)

3(2.8) = 8.4 + 3 is only 11.4 < 21
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Find a line parallel to the graph of y=3x+6 that passes through the point (3,0) in standard form
Ivanshal [37]

Answer:

The line parallel to this one and going through said point is y = 3x - 9

Step-by-step explanation:

In order to find this, we start by noting that the slope will be 3 because parallel lines have the same slope. Now we can use point-slope form to find the equation of the line.

y - y1 = m(x - x1)

y - 0 = 3(x - 3)

y = 3x - 9

4 0
3 years ago
One number is 11 more than 3 times another number. Their sum is 75. Find the smaller number.
Musya8 [376]
X = larger number, y = smaller number

x + y = 75
x = 3y + 11

3y + 11 + y = 75
4y + 11 = 75
4y = 75 - 11
4y = 64
y = 64/4
y = 16 <=== ur smaller number

x = 3y + 11
x = 3(16) + 11
x = 48 + 11
x = 59...ur larger number
5 0
3 years ago
The length of a rectangle is six times its width.
ololo11 [35]
Alright, so we'll be playing a little with variables around here. The question tells you the length of a rectangle is six times its width, or that l=6w. 

The perimeter of a rectangle is 2l + 2w (two times the length + two times the width). Since we established that l=6w...

2(6w) + 2w = 98 yd
12w + 2w = 98 yd
14w=98 yd
w=7 yd. 

But it doesn't stop there. We found that the width is 7 yd. So the length is 6w, or 6 x 7 yd, which is 42 yd. To find the area of a rectangle, you multiply the length by the width. 

So...42 yd x 7 yd = 294 yd^2. 

Hope that helped. 
8 0
4 years ago
Kevin made 12 5/6 bags of popcorn for a movie night with some friends. Together they ate 7 1/6 bags of it. How much popcorn was
nadya68 [22]

Answer:

5 ⁴/6

Step-by-step explanation:

12⅚ - 7⅙ = 5 ⁴/6

12 - 7 = 5

⅚. -. ⅙ = ⁴/6

HOPE THIS HELPS! (:

4/6 is a fraction, it just looks funky

6 0
3 years ago
Edward opens a new account and makes a deposit of $150. He then makes withdrawals of $10, $20 and $25, before depositing $30 mor
Hunter-Best [27]
The new balance is $125
Explanation)
150-10-20-25 = 95
95 + 30 = 125
4 0
3 years ago
Read 2 more answers
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