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kramer
3 years ago
6

Plz i need a quick help doing this question

Mathematics
1 answer:
Anni [7]3 years ago
6 0
-13 degrees celsius
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Hello i would like help and the answer to this please; what is the nth term rule of
Paraphin [41]

Answer:

The nth term of the given sequence

a_{n} = a_{n-1} + (2n-1)

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given sequence  -5,-4,-1,4,11,20,31

a₀ = -5

a₁ = a₀ +1 = -5 +1   = -4

a₂ = a₁ + 3 = -4+3  = -1

a₃ = a₂ + 5 = -1 +5 = 4

a₄ = a₃ + 7 = 4 + 7  =11

a₅ = a₄ + 9 = 11+9 = 20

a₆ = a₅ + 11 =  20+11 = 31

a₇ = a₆ + 13 = 31 +13 =44

and so on

The nth term of the given sequence

a_{n} = a_{n-1} + (2n-1)

7 0
3 years ago
***TOP SAYS BAND AND PLAY INSTRUMENT AND NOT IN BAND AND PLAY INSTRUMENT***** A survey asked 50 students if they play an instrum
Stels [109]
I am pretty sure the answer is B
5 0
3 years ago
Solve the simultaneous equation:<br>2x+3y=13<br><br>X+2y=9​
Neko [114]

Answer:

2x + 3y = 13

4x - y = -2

In the second equation, subtract 4x from both sides.

-y = -2 - 4x

Divide both sides by -1.

y = 2 + 4x

Put this into the first equation in place of y.

2x + 3(2 + 4x) = 13

Multiply everything in the parenthesis by 3.

2x + 6 + 12x = 13

Combine like terms.

14x + 6 = 13

Subtract 6 from both sides.

14x = 7

Divide 14 on both sides.

x = 7 / 14

x = 0.5

Put this into the second equation in place of x.

4(0.5) - y = -2

2 - y = -2

Subtract 2 from both sides.

-y = -4

Divide both sides by -1.

y = 4

So x = 0.5 and y = 4.

Step-by-step explanation:

8 0
3 years ago
What is the prime factorization of 28? ​ 74 ​ ​ 47 ​ 4⋅7 22⋅7 <br> PLEASEEE AWNSERRRRRR
dem82 [27]
Well the problem came out kind of weird but the prime factors of 28 are 2•2•7

Hope this helps!
3 0
3 years ago
Can you solve it please and explain step by step how u got it ?????Please​
allochka39001 [22]

Answer:

m<7 = 61

Step-by-step explanation:

These angles (<7, and <8) are adjacent to each other (they are next to each other), therefore they are supplementary (add up to 180).

180 - 119 = m<7

4 0
3 years ago
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