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LenKa [72]
3 years ago
9

Multiply. (-0.3)(-0.85)

Mathematics
2 answers:
Neporo4naja [7]3 years ago
4 0

Answer:

O.225

Step-by-step explanation:

Two negatives = positive

Liula [17]3 years ago
4 0

Answer:

.255

Step-by-step explanation:

.255

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PLZ HELP ASAP RADIANS AND ARC LENGTH
velikii [3]

<span>The arc length by definition is given by:</span>

<span> S = R * theta</span>

<span> Where,</span>

<span> R: radio</span>

<span> Theta: central angle</span>

<span> Substituting values we have:</span>

<span> S = 10 * (3/2) pi</span>

<span> Rewriting we have:</span>

<span> S = 5 * (3) pi</span>

<span> S = 15pi</span>

<span> Answer:</span>

<span> The arc length is:</span>

<span> <span>S = 15pi</span></span>

3 0
3 years ago
Define angle. A) Two rays that intersect. B) Two lines that intersect. C) Two segments that intersect. D) Two rays that have a c
Natasha_Volkova [10]
D) two rays that have a common endpoint

8 0
3 years ago
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Is 0/0x7y³ a positive or negative number
charle [14.2K]

Answer:

A =  0/(0 x 7y³)

Let's see the denominator:  0 x 7y³ = 0

=> Whenever the denominator is 0, A is undefined, neither a positive number or negative number

Hope this helps!

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3 0
3 years ago
4
taurus [48]

Answer:

x^2 - 2x + 10, option B

Step-by-step explanation:

Complex numbers:

The most important relation that involves complex numbers is given by:

i^2 = -1

Solving a quadratic equation:

Given a second order polynomial expressed by the following equation:

ax^{2} + bx + c, a\neq0.

This polynomial has roots x_{1}, x_{2} such that ax^{2} + bx + c = a(x - x_{1})*(x - x_{2}), given by the following formulas:

x_{1} = \frac{-b + \sqrt{\bigtriangleup}}{2*a}

x_{2} = \frac{-b - \sqrt{\bigtriangleup}}{2*a}

\bigtriangleup = b^{2} - 4ac

In this question:

The solutions are:

x_1 = 1 - 3i, x_2 = 1 + 3i

We have to find the polynomial. All option have a = 1. So

(x - (1 - 3i))(x - (1 + 3i)) = x^2 - x(1 + 3i) - x(1 - 3i) + (1 - 3i)(1 + 3i) = x^2 - x -3ix - x + 3ix + 1^2 - (3i^2) = x^2 - 2x + 1 - 9i^2 = x^2 - 2x + 1 - 9(-1) = x^2 - 2x + 10

The correct answer is given by option b.

6 0
3 years ago
64.3- 3 x 23 - 2 is what.
Lena [83]

Answer: -6.7

Step-by-step explanation:

64.3−(3)(23)−2

=−6.7

3 0
2 years ago
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