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rodikova [14]
3 years ago
10

It has 2 fewer sides than a heptagon

Mathematics
2 answers:
rewona [7]3 years ago
5 0
2 fewer sides than a heptagon.

A heptagon has 7 sides.

2 fewer than 7 is 5.

A 5 sided shape is called a Pentagon.

It is a Pentagon.
marta [7]3 years ago
4 0
A pentagon because 7-2=5
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Can anyone help me with trig identities?
nevsk [136]

Answer:

cosA = √(21/25)

Step-by-step explanation:

We know

sin²(A) + cos²(A) = 1

Next, we know that sin(A) = 2/5. Plugging that into our equation, we get

(2/5)² + cos²A = 1

4/25 + cos²A = 1

subtract 4/25 from both sides to isolate cos²A

cos²A = 1 - 4/25 = 25/25-4/25 = 21/25

square root both sides to get

cosA = √(21/25)

We do not include -√(21/25) in our possible answer for cosA because this is in quadrant 1, so cosA must be positive.

6 0
3 years ago
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nlexa [21]

Answer:

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Step-by-step explanation:

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Hope this helps!

7 0
3 years ago
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Hoochie [10]
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Find the distance between each pair of points.<br> 3) (6, -2), (8, -3)<br> 4) (7,-8), (-8, 2)
castortr0y [4]

Answer:

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Step-by-step explanation:

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we have:

3) (6, -2), (8, -3)

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4) (7,-8), (-8, 2)

x_{1} = 7

y_{1} =-8

x_{2} =-8

y_{2} =2

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3 0
3 years ago
What is the equation of the function shown in the graph, given that the equation of the parent function is f(x)=(1/4)^x
Artyom0805 [142]

Answer:

Step-by-step explanation:

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8 0
3 years ago
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