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Papessa [141]
4 years ago
6

Find the 21st term in the arithmetic sequence, 3,7 11, 15, 19,

Mathematics
1 answer:
Sergeeva-Olga [200]4 years ago
6 0

Answer:

83

Step-by-step explanation:

keep adding 4 til the 21st number.

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3 years ago
A circular flower bed is 22 m in diameter and has a circular sidewalk around it that is 4 m wide. Find the area of the sidewalk
antoniya [11.8K]

Answer:

326.6 m^2

to nearest tenth.

Step-by-step explanation:

The radius of the flower bed = 1/2 * 22 = 11m

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= 3.14 * 15^2 - 3.14* 11^2

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3 years ago
What values of b satisfy 4(36 + 2)2 = 647
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Answer:

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Step-by-step explanation:

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Question 1 of 10
Vadim26 [7]

Answer:

B, C

Step-by-step explanation:

graph the following lines with negative slopes and compare:

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6 0
3 years ago
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Suppose that during it's flight, the elevation `e` (in feet) of a certain airplane and its time `t,` in minutes since takeoff, a
kifflom [539]

Answer:

Suppose that during its flight, the elevation e (in feet) of a certain airplane and its time ... since takeoff, are related by a linear equation. Consider the graph of this equation, with time represented on the horizontal axis and elevation on the vertical axis. ... Unit 3; Linear Relationships Lesson 9: Slopes Don't Have to be Positive.

Step-by-step explanation:

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