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umka2103 [35]
1 year ago
12

For each set, decide if it is finite, infinite, or an empty set.

Mathematics
1 answer:
PtichkaEL [24]1 year ago
3 0
The answer is :Finite
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Whats an equation that make x=31 ? like in other words give me an equation where it leads down to 31
MrRa [10]
Sure, that's easy! Here's one

5x + 7 = 162

If I wanted to solve this equation, I would break it down. I'd subtract the result (162) by 7

162 - 7 = 155.

From there I just divide that by 5!

155 / 5 = 31

There it is! Ultimate proof that x is in fact 31!
5 0
3 years ago
Read 2 more answers
Mark as brainlest! Write an equation for each problem. Then solve. If necessary, round your answers to the nearest hundredth.
MatroZZZ [7]

Answer:

a.$138

b.$197

Step-by-step explanation:

(/=division)

a.415/30=138

b.138/7=197

Hope I helped :D

5 0
3 years ago
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I really need help with this equation as soon as possible :D
viktelen [127]
The subtraction sign in front of the second set of parenthesis changes the signs on the terms inside those parenthesis.  So this could be rewritten as  x-3x^4+2x^2+x^3-4x^6.  None of the exponents on the x are the same, so we will just express it in terms of descending powers of x.   -4x^6-3x^4+x^3+2x^2+x.   This is also the same as  4x^6+3x^4-x^3-2x^2-x  if you don't like to start with a negative.  Either one is correct.
7 0
3 years ago
Solve:<br> 3x - 9 = 5(x-3)
Viefleur [7K]

Hi,

3x - 9 = 5(x-3)\\3x - 9 - 5(x-3)= 0\\3x -9 -5x +15 =0\\6-2x=0\\6=2x\\x=3

Have a good day.

3 0
2 years ago
What is the solution of the equation w – 8 =5? Show your work
Marta_Voda [28]

Answer:

Step-by-step explanation:

first one: w-8 =5

reverse it-  8+5= 13         so 13-8= 5

second one: 5x-2

2x-2+3x  << group together the x's

2x+3x=5x and you'll end up with 5x-2

last one: r/5=-9

again, reverse it-  -9 x 5 = -45

a negative times a positive = a negative

8 0
2 years ago
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