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JulijaS [17]
2 years ago
6

Which of the following represents the sum of the series below?

Mathematics
1 answer:
hoa [83]2 years ago
5 0

4 + 7 + 10 + 13 + 16 + 19 + 22 + 25 + 28 + 31 + 34 + 37 + 40 = 286

I hope this helps!

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Can anyone please help me with this???
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x=8a

Step-by-step explanation:

(3/a) x - 4 = 20

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I will give you brainiest if you can answer the questions below.
Anon25 [30]

Answer:

a. i. 3000 cm² ii. 220 cm  b.  6 feet

Step-by-step explanation:

A. i. The area of the sector AOB is A = ¹/₂r²θ where r = radius of circle = 50 cm and θ = angle subtended at the center of the circle by the sector in radians = 2.4 radians.

So, A = ¹/₂r²θ

= ¹/₂(50 cm)² × 2.4 rad

= ¹/₂ × 2500 cm² × 2.4 rad

= 1250 cm² × 2.4 rad

= 3000 cm²

ii. The perimeter of the sector is P = 2r + rθ = (2 + θ)r

substituting r and θ, we have

P = (2 + θ)r

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= 4.4 × 50 cm

= 220 cm

B. Since length of an arc L = rθ where r = radius = length of pendulum and θ = angle swept by pendulum =  ½ radian and length of the arc swept = 3 feet, the radius is

r = L/θ

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= 3 × 2

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3 years ago
9 1/3 +8x=4 (2x+3/4)
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Answer: -7/12

Step-by-step explanation:

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3 years ago
Read 2 more answers
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