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lys-0071 [83]
3 years ago
15

If angle y measures 65 degrees how much does x measure?

Mathematics
2 answers:
belka [17]3 years ago
8 0

Answer:

supplementary angles add up to 180°

given y=65° thus...

x+y=180°

x + 65°=180°

x=180°- 65°

x=115°

Tamiku [17]3 years ago
4 0

Answer:

x = 115°

Step-by-step explanation:

x ; y = suplementary =>

=> x + y = 180°  } => x = 180° - 65° = 115°

    y = 65°

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Whitepunk [10]
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4 0
3 years ago
"Find the sum of the first 50 term in this sequence 4, 7, 10, 13, ...". How do i do this without writing them all out, and how d
melisa1 [442]
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=25× -171
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derivation of the formula for the sum of n terms
Progression, S
S=a1+a2+a3+a4+...+an

S=a1+(a1+d)+(a1+2d)+(a1+3d)+...+[a1+(n−1)d]   →   Equation (1)

S=an+an−1+an−2+an−3+...+a1

S=an+(an−d)+(an−2d)+(an−3d)+...+[an−(n−1)d]   →   Equation (2)

Add Equations (1) and (2)
2S=(a1+an)+(a1+an)+(a1+an)+(a1+an)+...+(a1+an)

2S=n(a1+an)
S=n/2(a1+an)

Substitute an = a1 + (n - 1)d to the above equation, we have
S=n/2{a1+[a1+(n−1)d]}
S=n/2[2a1+(n−1)d]
5 0
3 years ago
PLEASE HURRY -4 3/5 divid by 1 1/5
kaheart [24]

The answer is: -3 5/6

Hope this helped :3

4 0
3 years ago
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I think the correct answer should be 10

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6 0
3 years ago
Read 2 more answers
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astraxan [27]

To make the problem simpler, turn it to an improper fraction.

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-7/2+49/48

They have to have same dnominator to add.

-168/48+49/48

-119/48

8 0
3 years ago
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