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Natasha2012 [34]
3 years ago
5

Write down the first three terms of the sequence whose nth term is given by 2n-5

Mathematics
1 answer:
likoan [24]3 years ago
6 0

Answer:

- 3, - 1, 1

Step-by-step explanation:

To find the first 3 terms substitute n = 1, 2, 3 into the formula

a₁ = 2(1) - 5 = 2 - 5 = - 3

a₂ = 2(2) - 5 = 4 - 5 = - 1

a₃ = 2(3) - 5 = 6 - 5 = 1

The first 3 terms are - 3, - 1, 1

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What is the solution?
galina1969 [7]

Answer:

y=60 x=16

Step-by-step explanation:

the triangles are identical so 92+y=3y-28 so solve that for y:

                                                     -y      +28

                                                  120=2y                                                                            .                                                  /2      /2

                                                  60 = y so y=60

and 6x+2=3x+50 and solve that for x: which gets x = 16

Then are you supposed to plug it in to the numerical equvilant to the angles and sides becuase if so:  B and E is 152, AC and DF are 98

Hope this helps and brainliest would be greatly appreciated! Thanks!

4 0
2 years ago
A students needs at least seven hours of sleep each night.The student goes to bed at 11:00 p.m. and wakes up up before 6:30 a.m.
andriy [413]

Answer:yes

Step-by-step explanation:

11:00 -6:30 is 7 hrs and 30 minutes

6 0
3 years ago
If a normal distribution has a mean of 62 and a standard deviation of 12 what is the z-score for a value of 80
kap26 [50]

Answer with explanation:

\text{Mean}=\mu = 62\\\\ \text{standard deviation}=\sigma=12\\\\ \bar X=80\\\\Z_{score}=\frac{\bar X -\mu}{\sigma}\\\\Z_{score}=\frac{80-62}{12}\\\\Z_{score}=\frac{18}{12}\\\\Z_{score}=1.5

Option B:→ 1.5

3 0
3 years ago
Zena can get an item online for $19 that
kozerog [31]
The answer is: idk I came here to get points lol
4 0
3 years ago
Anyone know the answer?
Alborosie

Step-by-step explanation:

{9}^{ \frac{ - 1}{2} }  \\  {3}^{2 \times  -  \frac{1}{2} }  \\  {3}^{ - 1}  \\  \frac{1}{3}

Now for another

{27}^{ \frac{ - 2}{3} }  \\  {3}^{3 \times  \frac{ - 2}{3} }  \\  {3}^{ - 2} \\   \frac{1}{9}

Hope it will help :)❤

7 0
3 years ago
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