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GaryK [48]
3 years ago
12

Which expression best represents the difference between triple a number and double a number? A) 3x - 2x Eliminate B) 2x - 3x C)

x3 - x2 D) x2 - x3
Mathematics
2 answers:
Snezhnost [94]3 years ago
7 0

Answer:

3x-2x (^:

Step-by-step explanation:

earnstyle [38]3 years ago
4 0

Answer:

The correct answer is A) 3x - 2x

Step-by-step explanation:

When finding a difference, always list the first expression first. Since it mentions triple a number, the 3 would have to come first.

Also, since it is tripling a number, we want to multiply it by 3, not multiply it by itself as options C and D do.

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Please can someone help me?
Debora [2.8K]
If the perimeters are equal, you can form an equation to find x:
x + x + 12 + x + x + 12 = x + 11 + x + 11 + x + 16
4x + 24 = 3x + 38
- 3x
x + 24 = 38
- 24
x = 14
Now you can substitute the x value into the perimeter:
(4 × 14) + 24
56 + 24 = 80 cm

(3 × 14) + 38
42 + 38 = 80 cm

So the perimeter would be 80 cm.
I hope this helps!
6 0
3 years ago
Please help i rlly need itttt
Olenka [21]

Answer:

The value of x is the value where the line crosses the x-axis!

________________________________________________________

Hope this helps!!

Please tell me if I have made a mistake!!

I enjoy learning from them:)

8 0
2 years ago
Read 2 more answers
for a class trip a teacher bought 25 student tickets and 5 adult tickets.write an expression for the total cost
I am Lyosha [343]

T=25S+5A

this is the answer

4 0
3 years ago
Read 2 more answers
Help pleaseeeeeeeeeee
avanturin [10]
I believe your answer is going to be increasing linear. If it's doubling constantly then it's increasing so that takes out 2 options. And since it's constant, it isn't exponential, therefore you only have increasing linear left.

I hope I was able to help. Best of luck.
5 0
3 years ago
. How many minutes is it from 23:35 today to 01:15 tomorrow?
Aleksandr [31]

Answer:

A (100)

Step-by-step explanation:

If 2 hours pass starting at 23:35 today, then tomorrow the time will be 1:35. The difference between 1:35 and 1:15 is 20 (minutes) Because there are 120 minutes in 2 hours (60 minutes per hour), This means we do 120 minutes minus 20 minutes. This gives us an answer is A, 100 :)

5 0
2 years ago
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