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WARRIOR [948]
2 years ago
6

What is the value of x? Sin(x)=cos(81)

Mathematics
1 answer:
RUDIKE [14]2 years ago
8 0

Answer:

0.98768834034243

Step-by-step explanation:

Since 81 is smaller than 90, it is located in the first quadrant and in the first quadrant, the values for sin, cos and tan are always positive.

sin(81)= 0.98768834034243

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The correct answer is b
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What is the result of adding 7 to −7? A) −14 B) −7 C) 0 D) 14
skad [1K]

Answer:

it would be C.

Step-by-step explanation:

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The volume of a cube is 27 cubic inches. Which expression represents s, the length of a side of the cube?
NeTakaya

volume of a cube = S^3

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3 years ago
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Stella [2.4K]

First:

2x + 2z = 4

2(x+z)=4

x+z=4/2

x=2-z

-x - y - z=  -8

-(2-z)-y-z= -8         replace x

-2+z-y-z= -8          (cancel z)

-2-y= -8

6 = y

Then:

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-8 + 4z + 24 + 5z = 7

16 + 9z = 7

9z = 7 - 16

9z = -9

z = -9/9

z= -1

Finally

x= 2-z  replace z

x = 2- (-1)

x = 3

5 0
3 years ago
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VikaD [51]
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3 years ago
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