3 years ago

Which statement illustrates the associative property of addition?

1 answer:

3 0

I think it’s B because

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Gnesinka [82]

Cos^4(x) =
(cos²x)² =
(1-sen²x)² =
1² - 2*1*sen²x + sen^4x =
1 - 2sen²x + sen^4x

6 0

3 years ago

VikaD [51]

Answer:

C. $Cos(28) = \frac{15}{17}$

Step-by-step explanation:

Recall: SOHCAHTOA

Thus,

$Cos(\theta) = \frac{Adjacent}{Hypotenuse}$

Reference angle = 28°

Adjacent = 15

Hypotenuse = 17

Plug in the values

$Cos(28) = \frac{15}{17}$

4 0

3 years ago

Thepotemich [5.8K]

first one since it’s 1/16 simplest form or 11/17 cuz it’s obv

8 0

3 years ago

Nuetrik [128]

To have a different rectangle with the same perimeter you just have different measurements. If you need an example let me know!

7 0

3 years ago

Ilya [14]

2 x - 5y = 13

2 × -1 - 5 × -3 = 13

Answer:
(-1, -3)

6 0

3 years ago