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vivado [14]
2 years ago
5

Help omggg help omgg

Mathematics
1 answer:
kenny6666 [7]2 years ago
4 0

Answer:

Θ = 84°

Step-by-step explanation:

using the identity

cosx = sin(90 - x) , then

cos6° = sin(90 - 6)° = sin84°

that is Θ = 84°

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Evaluate the following expression for z = -3.<br> -z^6<br> I’m literally so bad at this please help
Kipish [7]

Step-by-step explanation:

{ - z}^{6}  \\ z =  - 3

-  {( - 3)}^{6}  \\  =  - 1 \times ( - 3 \times  - 3 \times  - 3 \times  - 3 \times  - 3 \times  - 3)

= -1 × 729

= -729

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There are 4 pitchers.
Westkost [7]

Answer:

7.2 litters of milk

Step-by-step explanation:

4 times 1.8

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Can someone help me with this math? I'd be glad to help you with something you need.
mr_godi [17]

Answer:

I believe it would be A bc

Step-by-step explanation:

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3 years ago
To graph the line y = 3x -2, I should *
ipn [44]

Answer:

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4 0
3 years ago
How do you perform this: 2x+3y=25 3x+4y=22
meriva

Answer:

x = -34 , y = 31

Step-by-step explanation suing Gaussian elimination:

Solve the following system:

{2 x + 3 y = 25

3 x + 4 y = 22

Express the system in matrix form:

(2 | 3

3 | 4)(x

y) = (25

22)

Write the system in augmented matrix form and use Gaussian elimination:

(2 | 3 | 25

3 | 4 | 22)

Swap row 1 with row 2:

(3 | 4 | 22

2 | 3 | 25)

Subtract 2/3 × (row 1) from row 2:

(3 | 4 | 22

0 | 1/3 | 31/3)

Multiply row 2 by 3:

(3 | 4 | 22

0 | 1 | 31)

Subtract 4 × (row 2) from row 1:

(3 | 0 | -102

0 | 1 | 31)

Divide row 1 by 3:

(1 | 0 | -34

0 | 1 | 31)

Collect results:

Answer: {x = -34 , y = 31

6 0
3 years ago
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