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liq [111]
3 years ago
12

So for the remaining angles

Mathematics
2 answers:
ivanzaharov [21]3 years ago
6 0
It’s solved by using the cosine rule
oksano4ka [1.4K]3 years ago
6 0

Answer:

∠BAC= 78.6° (1 d.p.)

∠ABC= 50.7°

∠ACB= 50.7°

Please see attached picture for full solution.

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Help me please for the brainliest answer
AveGali [126]

Answer with Step-by-step explanation:

a) {n}^{2}  + 3 \\  \\ n = 1 \\  {1}^{2}  + 3 \\ 1 + 3 \\  = 4 \\  \\ n = 2 \\  {2}^{2}  + 3 \\ 4 + 3 \\  = 7 \\  \\ n = 3 \\  {3}^{2}  + 3 \\ 9 + 3 \\  = 12 \\  \\ n = 4 \\  {4}^{2}  + 3 \\ 16 + 3 \\  = 19 \\  \\ n = 10 \\  {10}^{2}  + 3 \\ 100 + 3  \\  = 103

In this sequence,

1st term = 4

2nd term = 7

3rd term = 12

4th term = 19

10th term = 103

b)2 {n}^{2}  \\  \\ n = 1 \\ 2 \times  {1}^{2}  \\ 2 \times 1 \\  = 2 \\  \\ n = 2 \\ 2 \times  {2}^{2}  \\ 2 \times 4 \\  = 8 \\  \\ n = 3 \\ 2 \times  {3}^{2}  \\ 2 \times 9 \\  = 18 \\  \\ n = 4 \\ 2 \times  {4}^{2}  \\ 2 \times 16 \\ =   32 \\  \\ n = 10 \\ 2 \times  {10}^{2}  \\ 2 \times 100 \\  = 200

in this sequence,

1st term = 2

2nd term =8

3rd term = 18

4th term =32

10th term = 200

4 0
3 years ago
What is a irrational number between 5 and 7?
Fittoniya [83]
5.65101051635493     The thing is it could be any number that couldnt be written as a fraction
7 0
3 years ago
Solve the equation<br><br> f(n)=10⋅2n for n = -2
Oksana_A [137]

Answer:

f(n)= -40.

Step-by-step explanation:

4 0
3 years ago
What is a solution to 10 - x &lt; 7?
Sauron [17]
X>3 is the answer of this question

8 0
3 years ago
Identify the mode in the data below<br><br> (Sorry I know the pic isn’t the best)
klio [65]

Answer:

2

Step-by-step explanation:

the mode is the number that appears the most in a table or chart

3 0
3 years ago
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