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3 years ago

1.7.3 Quiz: Intersecting Lines and Proofs

Mathematics

2 answers:

faltersainse [42]3 years ago

7 0

Answer:

Perpendicular lines.

Perpendicular lines are lines that intersect at a right (90 degrees) angle.

GalinKa [24]3 years ago

6 0

Perpendicular lines are 2 lines that intersect each other creating a 90 degree angle

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16x – 8= 14x + 10 What’s x and why

Gala2k [10]

Answer:

I got 9

Step-by-step explanation:

I did subtraction and then added and then divided by 16x on both sides

8 0

3 years ago

HELP me with These questions 2

LUCKY_DIMON [66]

Answer: 4

Step-by-step explanation:

A = $\frac{1}{2}$ r²θ

50 = $\frac{1}{2}$ (5)²θ

100 = (5)²θ

100 = (25)θ

4 = θ

********************************************************************************

Answer: 1570.80 cm²

Step-by-step explanation:

A = $\frac{1}{2}$ r²θ

A = $\frac{1}{2}$ (100)² $(\frac{\pi}{10})$

A = 500π

A = 1570.80

********************************************************************************

Answer: 19.63 m²

Step-by-step explanation:

A = $\frac{1}{2}$ r²θ

= $\frac{1}{2}$ (5)² $(\frac{\pi} {2})$

= $\frac{25\pi} {4}$

= 19.63

********************************************************************************

Answer: 15°

Step-by-step explanation:

$\frac{\pi }{180} = \frac{\pi} {12x}$

180 = 12x

15 = x

********************************************************************************

Answer: A

Step-by-step explanation:

Quadrant I: 0° - 90°

Quadrant II: 90° - 180°

Quadrant III: 180° - 270°

Quadrant IV: 270° - 360°

255° is in Quadrant III

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3 years ago

What is the measure of AC? Enter your answer in the box.

saw5 [17]

Answer:

Step-by-step explanation:

Since angle ABC is an inscribed angle, its measure is half that of arc AC. Therefore:

$2(3x-1.5)=3x+9 \\\\6x-3=3x+9 \\\\3x-3=9 \\\\3x=12 \\\\x=4 \\\\AC=3(4)+9=12+9=21$

Hope this helps!

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3 years ago

If a graph of a polynomial touches the x axis, the multiplicity of this root/zero/solution/intercept is _________. If a graph of

Kruka [31]

Ur answer is y intercept

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3 years ago

Which statements are true about the number 17/5? Check that all apply

Verdich [7]

Hello!

Here are your answers:

-It is greater than 3

-It is between 3 and 4

This is based off of the options that were given.

3 0

3 years ago

Read 2 more answers