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3 years ago

Part A: Use the figure to answer the question. Solve for x.

Mathematics

2 answers:

Misha Larkins [42]3 years ago

7 0

Answer:

54 degrees

Step-by-step explanation:

Using the Triangle Sum Theorem:

Sum of all angles of a triangle add up to 180 degrees.

104+22 is 126

180-126= 54

eduard3 years ago

3 0

Answer:

0.21

Step-by-step explanation:

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The answer is 9

both 81 and 63 are dividable by 9, and nothing higher

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3 years ago

Someone pls anwser this.

Orlov [11]

Answer:

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Step-by-step explanation:

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3 years ago

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7.13 g =<br>cg what is the answer

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Answer: 713 cg

Step-by-step explanation:

1 g = 100 cg

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Given

7.13 g = ? cg

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3 years ago

Choose the set of numbers with an average of 8.

Anastaziya [24]

The correct answer is B

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2 years ago

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Reptile [31]

Answer:

The real zeros of f(x) are x = 0.3 and x = -3.3.

Step-by-step explanation:

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 problem, we have that:

$f(x) = x^{2} + 3x - 1$

$a = 1, b = 3, c = -1$

$\bigtriangleup = 3^{2} - 4*1*(-1) = 13$

$x_{1} = \frac{-3 + \sqrt{13}}{2*1} = 0.3$

$x_{2} = \frac{-3 - \sqrt{13}}{2*1} = -3.3$

The real zeros of f(x) are x = 0.3 and x = -3.3.

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3 years ago