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3 years ago

10

Write an expression to describe the sequence below. Use n to represent the position of a term in the sequence, where n = 1 for t

he first term. -68, -136, -204, -272, ... Questions

1 answer:

Viefleur [7K]3 years ago

6 0

Each term differs by -68 and the first term is -68, we have:

$a_{n}=a_1-68(n-1) \implies \\ a_{n}=a_1-68n+68 \implies\\ a_n=-68-68n+68 \implies \\ a_n=-68n$

As an expession it's just -68n.

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Make a table graph the function y=1/2x + 3 domain 0,2,4,6,8

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2 years ago

Find the area of this trapezoid. Include the correct unit in your answer.

NemiM [27]

Answer:

$\displaystyle A _{ \text{trapezoid}} = 70 {m}^{2}$

Step-by-step explanation:

we are given a trapezoid

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remember that,

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where a and b represent the parallel lines and h represents the height

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2 years ago

Factorize: x²+2+1/x²

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1 year ago

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2 years ago

Read 2 more answers

Can somebody help me with these to questions how do you find the area of the circle

Grace [21]

13)

Circumference (C) = 2π·r

11π = 2π·r

11/2 = r

******************************

Area (A) = π·r²

= π·(11/2)²

= 121π/4

≈ 94.985 in²

14)

diameter = 2r

42 = 2r

21 = r

*******************

Area (A) = π·r²

= π·(21)²

= 441π

≈ 1384.74 in²

***************************

$280/1384.74 in²

x = $0.20

Answer: about 20 cents per square inch

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3 years ago