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2 years ago

Which of the following are reasons used in the proof that the angle-bisector

Mathematics

1 answer:

Darya [45]2 years ago

7 0

The angle-bisector construction can be used to bisect any angle and this is proven by:

A. All of the radii of a circle are congruent.
B. SSS triangle congruence postulate.
D. CPCTC.

<h3 /><h3>What is the proof that the angle-bisector construction can bisect any angle?</h3>

The angle-bisector construction means that a line is made that can divide an angle into two congruent angles.

This is shown by the fact that all the radii of a circle are congruent and that the corresponding parts of congruent triangles are also congruent (CPCTC) when an angle bisector is made on a circle or triangle respectively.

Find out more on angle bisectors at brainly.com/question/24334771.

#SPJ1

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Total brain fart! 24+5x=-x+6(5a-4)

kow [346]

Answer:

When solving for x, answer = $\large\boxed{x = 5a - 8}$

When solving for a, answer = $\large\boxed{a = 1/5x + 8/5}$

Step-by-step explanation:

24 + 5x = -x + 6(5a - 4)

Start by multiplying 6 by the values in the parenthesis

24 + 5x = -x + 30a - 24

Add 24 to both sides of the equation

48 + 5x = -x + 30a

Add 1x to both sides of the equation

48 + 6x = 30a

Subtract 48 from both sides of the equation

6x = 30a - 48

Divide both sides of the equation by 6

x = 5a - 8 (Answer when solving for x)

Add 8 to both sides of the equation

x + 8 = 5a

Divide both sides of the equation by 5

a = 1/5x + 8/5 (Answer when solving for a)

-----------------------------------------

When solving for x, answer = $\large\boxed{x = 5a - 8}$

When solving for a, answer = $\large\boxed{a = 1/5x + 8/5}$

Hope this helps :)

3 0

3 years ago

lily swims a 100-meter race. she swims the first half in 27.8 seconds. she swims the second half in 30.12 seconds. how long does

Luden [163]

we know that

1) Lily swims a $100$ -meter race

2) She swims the first half in $27.8$ seconds

3) She swims the second half in $30.12$ seconds

To find the total time to swim the whole race sum the time in the first half plus the time in second half

$(27.8+30.12)=57.92\ seconds$

therefore

<u>the answer is</u>

$57.92\ seconds$

3 0

3 years ago

Read 2 more answers

What is the rate of change from x = n to x = 2n?

puteri [66]

Answer:

$\dfrac{-8}{\pi}$

Step-by-step explanation:

The rate of change of the function f(x) from point $x_1$ to point $x_2$ can be calculated using formula

$\dfrac{f(x_2)-f(x_1)}{x_2-x_1}$

Given

$x_1=\pi\\ \\x_2=2\pi$

From the graph of the function

$f(x_1)=f(\pi)=4\\ \\f(x_2)=f(2\pi)=-4$

So, the rate of change is

$\dfrac{f(x_2)-f(x_1)}{x_2-x_1}=\dfrac{-4-4}{2\pi -\pi}=\dfrac{-8}{\pi}$

5 0

3 years ago

Stephen lives in Texas and makes $48,000 a year. If the median annual income in Texas is $51,205 and the median annual income in

timofeeve [1]

Stephen is likely to qualify since his annual income is less than the median income of Texas.

8 0

3 years ago

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I uploaded a picture

shutvik [7]

Answer: a

Step-by-step explanation: there is no such number

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3 years ago