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ddd [48]
3 years ago
5

NO LINKS I WILL REPORT!! but help plsss What is the value of y? 2yº y + 10° 50°

Mathematics
1 answer:
liq [111]3 years ago
7 0

Answer:

y=40

I hope it's helps you

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What is the formula of the sequence 3, 6, 10, 15, 21?​
AleksAgata [21]

Answer:

Tn=12n(n+1)

Step-by-step explanation:

Explanation:

These are the triangular numbers - each term in the sequence being the sum of the first n positive integers:

T1=1=1

T2=3=1+2

T3=6=1+2+3

etc.

Notice that:

2Tn=(0)+1+(0)+2+...+(n−1)+(0)+n

2Tn+(0)+n+(n−1)+...+(0)+2+(0)+1

2Tn=(n+1)+(n+1)+...+(n+1)+(n+1)

2Tn=n(n+1)

So:

Tn=12n(n+1)

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2 years ago
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What division problem does the model show?​
garik1379 [7]

Answer:

54/3

Step-by-step explanation:

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3 years ago
Choose the equation that shows a step in the process of completing the square on the given quadratic. y = x^2 + 8x – 3
klasskru [66]

Answer:

y = x^2 + 8x - 3

y = x^2 + 8x + (8/2)^2 - 3 - (8/2)^2

y = x^2 + 8x + 16 - 3 - 16

Step-by-step explanation:

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3 years ago
If x – 9 is a factor of x2 – 5x – 36, what is the other factor a. x – 4 b. x 4 c. x – 6 d. x 6
schepotkina [342]
X^2 -5x -36 = x*x -9x+4x -9*4 = x(x-9) +4(x-9) = (x+4)(x-9)

so the second other factor is x+4 so hope that choice wan being x+4 than this will be right just you missed the sign pf plus 

hope this will help you 
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3 years ago
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loris [4]

Step-by-step explanation:

7h + 4 > 5 - 5h

7h + 5h > 5 - 4

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h > 1/12

5 0
2 years ago
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