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laiz [17]
2 years ago
15

A circular garden has a radius of 3.5 feet. Leslie is installing a fence around the edge of the garden using chicken wire and ne

eds to know the circumference of the circular garden. What is the circumference of the garden?
A:10.99 ft
B:7 ft
C:38.47 ft
D:21.98 ft
Mathematics
1 answer:
PSYCHO15rus [73]2 years ago
3 0

Answer:

B: 7 ft

Step-by-step explanation:

the diameter is twice the radius

: 3.5 ft ×2

=7 ft

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larisa86 [58]

Answer:

see explanation

Step-by-step explanation:

The n th term ( explicit formula ) of an arithmetic sequence is

a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Given a₁₂ = - 95 and a₃₇ = - 270 , then

a₁ + 11d = - 95 → (1)

a₁ + 36d = - 270 → (2)

Subtract (1) from (2) term by term to eliminate a₁

25d = - 175 ( divide both sides by 25 )

d = - 7

Substitute d = - 7 into (1) and solve for a₁

a₁ + 11(- 7) = - 95

a₁ - 77 = - 95 ( add 77 to both sides )

a₁ = - 18 , thus

a_{n} = - 18 - 7(n - 1) = - 18 - 7n + 7 = - 7n - 11

a_{n} = - 7n - 11 ← explicit formula

--------------------------------------------------------------

The recursive formula allows a term in the sequence to be found by adding the common difference d to the previous term, thus

a_{n} = a_{n-1} - 7 with a₁ = - 18 ← recursive formula

5 0
3 years ago
50pts help! consider this quadratic equation. 2x^2-1=3x+4 Which equation correctly applies to the quadratic formula?
eduard

Step-by-step explanation:

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7 0
3 years ago
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timofeeve [1]

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3 years ago
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atroni [7]

Answer:

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Step-by-step explanation:

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Thus, the first cube has a side diagonal of \sqrt{3}

The next cube would have a side diagonal of 3

The third cube would have a side diagonal of 3\sqrt{3}

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7 0
3 years ago
the number of a certain company’s video stores can be approximated by the linear equation y=-264x+4682, where x is the number of
kogti [31]
This problem is incomplete, but I think I know the probable question. Normally, you should have been given the target number of the company's video stores, so that you can replace the value of y and solve for x. Once you solve for x, you add this to year 1990 then you can solve for the year at which you can reach your target value. Suppose y = 3500 stores.

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