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3 years ago

9

The reflection of a graph across an axis will always touch its mirror in at least one point.

2 answers:

Kaylis [27]3 years ago

6 0

False..............................................................

svp [43]3 years ago

4 0

I believe the correct answer is false.

hope this helps!

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20 POINTS. Given cos θ=4/5, find cot(θ).

nydimaria [60]

$\displaystyle\\\cos\theta=\frac{4}{5}\\\\ \sin\theta=\sqrt{1-\cos^2\theta}=\sqrt{1-\left(\frac{4}{5}\right)^2} =\sqrt{1-\frac{16}{25}} =\sqrt{\frac{9}{25}} =\frac{3}{5}~~\text{(If } \theta \in \text{quadrant 1)}}\\\\\\ \cot(\theta)=\frac{\cos\theta}{\sin\theta}=\frac{~~\dfrac{4}{5}~~}{\dfrac{3}{5}}=\frac{4}{5}\times\frac{5}{3}=\frac{4}{3}\\\\\\\boxed{\cot(\theta)=\frac{4}{3}}$

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3 years ago

how many lawns can you mow with one gallon of gasoline if you maintain the rate of 1/2 gallon of gasoline per 1/4 lawn mowed

lilavasa [31]

I think the answer is 4 gallons to mow the lawn
1/2 gallons = 1/4
1 gallons = 2/4
1 1/2 gallons = 3/4
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3 years ago

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Please help me ( if you get it right i will rate you 5/5)

Lena [83]

Answer:

D.

Step-by-step explanation:

Okay, so 8:15 to 12:00 is 225 minutes, or 3.75 hours

12:45 to 17:30 is 285 minutes, or 4.75 hours

3.75 + 4.75 = 8.5 hours (total)

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8.5 * 14.5 = 123.25 dollars

D.

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2 years ago

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trapecia [35]

Answer:

uno de los 5 mejores deseos para el colegio y para la comunidad educativa en la definición 3 x 6=√57

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3 years ago

Which point lies on the y-axis, but not on the x-axis?

Katen [24]

Origin region 0,0
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