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Margaret [11]
3 years ago
14

Math question need help.

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
5 0
Me too ig we both gotta look for it
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Avaluate 2^3x-1 for x=1
DENIUS [597]

<em><u>Answer:</u></em>

4 or 7 (Check the explanation to see which one your equation <em>actually</em> is.

<em><u>Step-by-step explanation:</u></em>

One thing I want to clarify for you, It's Evaluate, not Avaluate.

Okay so, we want to find the value of 2^3x-1 and we know x = 1.

You didn't really clarify if the expression was 2^{3x-1} or 2^{3x}-1, so I'll be doing both:

For 2^{3x-1}, we should plug in x to get 2^{3(1)-1} and then simplify to get 2^{2}.

2 to the power of 2 or 2^{2} is equal to 2 * 2 or 4.

The second one, 2^{3x}-1, we should plug in x to get 2^{3(1)}-1 and then to become 2^{3}-1. 2 to the power of 3 or 2^{3} is 8 and then minus 1 is 7.

7 0
3 years ago
Read 2 more answers
2( 1/5 m− 2/5 )+ 3/5
Liula [17]

Answer:

2m/5-1/5

Step-by-step explanation:

2*m-2/5+3/5

2(m-2)/5+3/5

2(m-2)/5+3/5

2m-4/5+3/5

2m/5-1/5

7 0
2 years ago
Simplify 3^4*x*(3/x^2)^-2
astraxan [27]
I think the answer is x^4
6 0
2 years ago
Which operation should you perform last in the expression 12 × 4^2?
drek231 [11]

Answer:

Multiplication

Step-by-step explanation:

Follow GEMDAS or PEMDAS. I would recommend GEMDAS. GEMDAS stands for Grouping symbols, exponents, multiply, divide, addition, subtraction. GO form the order G to S

3 0
3 years ago
How many dots are there at 100 minutes?<br><br> Please show work!<br><br> Thanks!
dusya [7]

500 dots: this is because 1 minute is 5 dots. So, 5×100=500!

5 0
3 years ago
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