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Ulleksa [173]
2 years ago
13

Which of the following best describes the solution to the equation below? 3(x+ 7) = 3x + 21​

Mathematics
1 answer:
Alexus [3.1K]2 years ago
3 0

Answer:

x = x; the solution has infinite solutions

Step-by-step explanation:

3(x+ 7) = 3x + 21​; distribute the 3 on the left side

3x + 21 = 3x + 21; now subtract 21 from both sides

3x = 3x; divide by 3

x = x; the solution has infinite solutions.  Since both terms are equal any value for x will be true on this equation.

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I NEED HELP WITH THIS ASAP
grin007 [14]
hopefully someone helps u with this tho sorry
3 0
2 years ago
a company decided to increase the size of the box for the packaging of their alcohol products. the length of the original packag
Igoryamba

Answer:

The answer is below

Step-by-step explanation:

a company decided to increase the size of the box for the packaging of their alcohol products. the length of the original packaging box was 40 cm longer than its width and the height 12 cm, volume was at most 4800 cm3. Suppose the length of the new packaging box is still 40cm longer than its width and the height is 12cm, what mathematical statement would represent the volume of the new packaging box?​

Solution:

Let the width of the box be x cm.

The length of the box is 40 cm longer than the width, therefore the length of the box = x + 40

The height of the box = 12 cm

The volume of the box can be gotten from the formula:

Volume = length × width × height

Substituting:

Volume = (x + 40) × (x) × 12

Volume = 12x(x + 40)

Therefore the volume of the new box is 12x(x + 40)

8 0
2 years ago
Solve the inequality.<br>–5r+3≥-2​
andrew-mc [135]

Answer:

the answer is r<1 that's the inequality

5 0
3 years ago
PTN is adjacent to: <br><br> A. QTR<br> B. PTS<br> C. RTS<br> D. QTS
VikaD [51]

Answer:

B

Step-by-step explanation:

Adjacent means sharing a common edge or leg so here PTN is adjacent to PTS

8 0
3 years ago
In the cafeteria 100 milk cartons were put out and 27 remained..what is the ratio of milk cartons taken to total milk cartons?
True [87]
If they started with 100 and 27 remained, then (100 - 27) = 73 were taken.

ratio of milk cartons taken to total milk cartons = 73/100 or 73:100 or 73 to 100
8 0
3 years ago
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