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valina [46]
3 years ago
5

Find an answer pls thanks

Mathematics
1 answer:
Bogdan [553]3 years ago
8 0

Answer:

where's the question...?

Step-by-step explanation:

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The nth term of a sequence is given by 2n²+1.Write down the first four terms of the sequence.​
ivanzaharov [21]

Answer:

2(1)²−1= 1

2(2)²−1= 7

2(3)²−1= 17

2(4)²−1= 31

2(5)²−1= 49

<em><u>Please mark as brainliest if answer is right </u></em>

Have a great day, be safe and healthy  

Thank u  

XD  

5 0
2 years ago
What is the final balance for the investment?
xxMikexx [17]
$23,152.50

Start: $20,000
1st year: $20,000 + $1,000.00 = $21,000
2nd year: $21,000 + $1,050.00 = $22,050
3rd year: $22,050 + $1,102.50 = $23,152.50
3 0
3 years ago
G=b-ca <br><br> PLEASE HELP ! what is a ??
Nikitich [7]
G=b-ca
Subtract b from both sides
G-b=-ca
Divide by -c
(G-b)/-c=a

I hope this Helps!
8 0
3 years ago
Which is the first step in simplifying the expression?
Elenna [48]
\dfrac{3}{2 +  \sqrt{2} }

To rationalise the denominator, this is a standard step:
= \dfrac{3}{2 + \sqrt{2} } \times  \dfrac{2 - \sqrt{2}}{2 - \sqrt{2}}

Answer: Option A

---------------------------------------------------------------------------------------------------

Let me continue to complete the question, though it is not ask for

= \dfrac{3(2 - \sqrt{2})}{(2 + \sqrt{2)}(2 - \sqrt{2}) }

= \dfrac{3(2 - \sqrt{2})}{4 - 2 }

= \dfrac{6 - 2\sqrt{2}}{2 }
5 0
3 years ago
Read 2 more answers
Spencer wants to burn 450 calories while biking. Biking burns about 10 calories per minute. When Spencer goes biking, he usually
Lady bird [3.3K]

Answer:

60 minutes including the 15 minute rest.

Step-by-step explanation:

450/10 is 45. Therefore, biking for 45 minutes will loose 450 calories, 10 calories per minute.  Maybe half way during the 45 minutes Spencer will take the 15 minute rest. This brings the biking trip 60 minutes.

8 0
3 years ago
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