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Firlakuza [10]
3 years ago
15

What is 225.286 rounded to the nearest tenths one, and hundredth

Mathematics
1 answer:
ziro4ka [17]3 years ago
7 0

Answer:

One:225

Tenth: 225.2

Hundredth: 225.29

Step-by-step explanation:

In pretty sure this is right i apologize if not I havent done this in a couple of years.

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What is the discriminant of the quadratic equation 0 = 2x2 3x – 5?
a_sh-v [17]
If you would like to find the discriminant of the quadratic equation 0 = 2x^2 + 3x - 5, you can do this using the following steps:

<span>0 = 2x^2 + 3x - 5
0 = ax^2 + bx + c
a = 2, b = 3, c = - 5

</span>D = b^2 - 4 * a * c = 3^2 - 4 * 2 * (-5) = 9 + 40 = 49

The correct result would be 49.
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How do i determine the value of sine
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Well, you can do that by many ways like:
If you have value of B & P or B & H, you can find the other one by the formula,
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The product of two numbers is 24. their difference is 5. what are the two numbers?
Dima020 [189]
3 and 8 is the answer
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Can anyone guess what the answer of the algebraic expression is? Will mark brainliest only if you get this algebraic expression
sladkih [1.3K]

uhhhhhhhh it's 2.......

4 0
2 years ago
Hi can anyone help me with this ..​
aleksley [76]

Answer:

n = π/6, π/4, 3π/4, 5π/6

Step-by-step explanation:

sin(3n) − sin n = cos(2n)

Use double and triple angle formulas:

(3 sin n − 4 sin³ n) − sin n = 1 − 2 sin² n

2 sin n − 4 sin³ n = 1 − 2 sin² n

4 sin³ n − 2 sin² n − 2 sin n + 1 = 0

Factor by grouping:

2 sin² n (2 sin n − 1) − (2 sin n − 1) = 0

(2 sin² n − 1) (2 sin n − 1) = 0

Solve:

2 sin² n − 1 = 0

2 sin² n = 1

sin² n = 1/2

sin n = √2/2

n = π/4, 3π/4

2 sin n − 1 = 0

2 sin n = 1

sin n = 1/2

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4 0
3 years ago
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