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3 years ago

Two lines are perpendicular if they are para el and cross

Mathematics

1 answer:

eduard3 years ago

3 0

Answer:

If they create a 90 degree angle then yes.

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David bought a used car for $6,000 and later sold it for $4,000. What was the approximate percent decrease in the price of the c

Vanyuwa [196]

Answer:

percentage change= price change divided by original price x 100

Step-by-step explanation:

so answer = $2000 divided by $6000 x 100 = 33.3% decrease

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2 years ago

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PLEASE I BEG OF YOU HELP ME

mariarad [96]

Answer:

3.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001

Step-by-step explanation:

Cuz both number lines have 3.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000......................1 as a number that's valid

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2 years ago

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if a plane leave the ski resort every hour. the first plane leaves at 10 and the second plane leaves at 4 how man planes leave e

Butoxors [25]

Asked and answered elsewhere.
brainly.com/question/9934382

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2 years ago

which functions have a range of all real numbers ? check all that apply. A. y=csc x B. y=sec x C. y=tan x D. y= cot x

Natalka [10]

None of these. All of these functions are defined as ratio of trigonometric functions.

Trigonometric functions have infinite zeroes, so when you put them in the denominator, they lead to infinitely many points of ill-definition.

Specifically, we have:

$\csc(x) = \dfrac{1}{\sin(x)}$

which is undefined at

$\sin(x)=0\iff x=k\pi, k\in\mathbb{Z}$

$\sec(x) = \dfrac{1}{\cos(x)}$

which is undefined at

$\cos(x)=0\iff x=\dfrac{\pi}{2}+k\pi, k\in\mathbb{Z}$

$\tan(x) = \dfrac{\sin(x)}{\cos(x)}$

which is undefined at

$\cos(x)=0\iff x=\dfrac{\pi}{2}+k\pi, k\in\mathbb{Z}$

$\cot(x) = \dfrac{\cos(x)}{\sin(x)}$

which is undefined at

$\sin(x)=0\iff x=k\pi, k\in\mathbb{Z}$

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2 years ago

Alberto and 9 of his friends went out to eat. they decide to split the bill evenly. each person paid $18. what was the total bil

Aleks04 [339]

Alberto and 9 of his friends went out to eat.
1 + 9 = 10
So there are 10 people in total.
Each person paid the same amount, $18.

18 × 10 = 180

The total bill was $180.

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3 years ago

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