3 years ago

If the vertex of a parabola is (2,3), what is the axis of symmetry?

Mathematics

1 answer:

satela [25.4K]3 years ago

8 0

Answer:

Step-by-step explanation:

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If a car has tires with a diameter of 28 inches and is traveling at 55 mph, how fast are its tires spinning, in rpm^ prime s (re

Aleksandr-060686 [28]

Answer:

The tires are spinning at 660.49 revolutions per minute.

Step-by-step explanation:

The speed of the tires (v) is the same that the speed of the car, so to find the angular velocity of the tires we need to use the equation:

$\omega = \frac{v}{r}$

Where:

r: is the radius of the tires = d/2 = 28 inches/2 = 14 inches

$\omega = \frac{55 mph}{14 inches*\frac{1 mile}{63360 inches}} = 2.49 \cdot 10^{5} \frac{rad}{h}*\frac{1 h}{60 min}*\frac{1 rev}{2\pi rad} = 660.49 rpm$

Therefore, the tires are spinning at 660.49 revolutions per minute.

I hope it helps you!

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3 years ago

the tempura temperature halfway to the sun from mercury is aproxamently 1,800 Celsius and scientist theorize that it may be 26,0

IRINA_888 [86]

The center of the sun is approximately 46,800,000 degrees celsius.

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3 years ago

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Y=|x+2|-1<br><br> Y<0<br><br> Please help ASAP!

Montano1993 [528]

Answer:

x=-1

Step-by-step explanation:

x+2-1=0

-1+2=1

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2 years ago

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The number of lines that can be drawn perpendicular to a given line at a given point on that line in a plane is

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Only one.
it has a long proof.

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3 years ago

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0.1% of what number is 4?

nikklg [1K]

Let the number be x

Explanation:

0.1 % of x = 4
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2 years ago

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