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Karolina [17]
3 years ago
14

Sin2xcosx + cos2xsinx=-1/2

Mathematics
1 answer:
Gnesinka [82]3 years ago
8 0
If you know the rule,

The left side is equal to sin(3x), which is equal to -1/2

So x = (12pi*n-pi) / 18, where n is any integer.
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3^(x−1) = 27<br> I need the answer please and thanks
bogdanovich [222]
Make 27 into 3^3, then since the bases are the same, solve (x-1) = 3. The answer is 4.
6 0
4 years ago
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A home improvement company gives a 30% discount
Furkat [3]

Answer:

1. $700

2.$515

Step-by-step explanation:

BECAUSE IF YOU DISCOUNT IT BY 30% JUST SUBTRACT IT LIKE $1000-30%=700

$2,545-30%=515

<h3>THATS My ANSWER</h3>
4 0
3 years ago
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Label the parts of the right triangle
LUCKY_DIMON [66]

Answer:

See explanation below

Step-by-step explanation:

The given triangle is a right angled triangle.

The triangle consists of three sides namely the hypotenuse (longest side), the opposite and the adjacent.

The slant side of the triangle is the hypotenuse which is also the longest side

The side facing the angle theta is the opposite (the height of the triangle)

The base of the triangle is the adjacent.

The angle theta shown is the angle of elevation of the triangle

8 0
3 years ago
What is 22,119 rounded to the nearest throusand place
adoni [48]

Answer:

22,000

Step-by-step explanation:

When you are rounding, anything from 1-4 you round down, and any number 5-9 you round up. So, in this case the middle would be 500, but since the number is 119, it is 22,000.

4 0
3 years ago
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Please help! I really need help...
Sholpan [36]

Answer:

3y^{2}+2y-11

Step-by-step explanation:

we have

(-y^{2}-4y-8)-(-4y^{2}-6y+3)

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Group terms that contain the same variable

-y^{2}+4y^{2}-4y+6y-8-3

Combine like terms

3y^{2}+2y-11

4 0
4 years ago
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