3 years ago

What is the answer to this I really need help it is due tomorrow and it's 9:00 in the night

Mathematics

1 answer:

snow_tiger [21]3 years ago

7 0

Whats your problem I can help you, what type of problem is it?

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Find the 20th term of the arithmetic sequence 15,9,3,-3

kati45 [8]

Answer:

-99

Step-by-step explanation:

$a = 15 \\ d = - 6 \\ {n}^{th} term = a + (n + 1)d = 15 + (n - 1)( - 6) \\ {20}^{th} term =15 + (20 - 1)( - 6) = 15 - 114 = - 99$

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2 years ago

1. Triangle ABC is similar to triangle DEF.

nignag [31]

Answer:

Step-by-step explanation:

In similar triangles corresponding angles have the same measure.

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3 years ago

A log 4 ft long cut in to piesce 1/3 how many are there

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3 years ago

The radius of a circular plate is 7 inches.

Readme [11.4K]

Answer:

153.94 in²

Step-by-step explanation:

The equation for Area is

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Plugging in the value for the radius into r, it will be

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Area = π(7)²= 49π ≈ 153.94

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3 years ago

Find the value of x which ABCD must be a parallellogram?<br> x =

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3 years ago