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slega [8]
3 years ago
15

Using n = 3.14, find the area of a circle with a radius of 16.

Mathematics
1 answer:
KATRIN_1 [288]3 years ago
8 0

Answer:

803.84=A

Step-by-step explanation:

The area of a circle can be found by using the equation \pi r^{2}=A.

\pi r^{2}=A

(3.14)(16^{2})=A

(3.14)(256)=A

803.84=A  and the units are, how ever the radius is measured cubed

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In the following triangle theta=60.Find the values of the angles of the angles B and B'
Contact [7]

Answer:

180-60 = 120 if triangle is not equilateral it cannot be isosceles then depending where the angles are they will show  60,60,60 if equilateral

For isosceles it would need to be 58 61 61 as 60, 60,60 cannot be isosceles.

Vectors 60 if right angled triangle = 90-60 = 30

So angles = 30 and 90 degree or just 120 if angle theta is a vector as explained below.

Step-by-step explanation:

Statement: If two vectors are represented by the sides of a triangle both in magnitude and direction taken in order, the resultant sum of the vectors is given by the closing third side of the triangle taken in the reverse order both in the magnitude and direction

5 0
2 years ago
Explain why an elevation less than -5 feet represents a distance from sea level greater than 5 feet. ​
Morgarella [4.7K]

The elevation represents a distance from the sea level greater than 5 feet,

because the original description specifies a distance greater than 5 feet

below sea level.

Reasons:

The elevation given as a distance is the height or distance above sea level.

In the above description, elevation is a vector, given that it has both

magnitude (distance) and direction (above sea level).

Distance is a scalar quantity, that has only a magnitude that specifies the

space covered during motion.

An elevation of less than -5 feet indicates that distance of the location

above sea level is less than -5 feet, which is the same as; the distance of

the location  below sea level is greater than 5 feet.

  • Less than -5 feet above sea level = Greater than 5 feet below sea level

Therefore;

  • An elevation of less than -5 feet represents a distance from (below) sea level greater than 5 feet

Learn more about vector and scalar quantities here:

brainly.com/question/11968679

6 0
2 years ago
What is the slope of a line perpendicular to the line whose equation is
jonny [76]

Answer:

- \frac{1}{2}

Step-by-step explanation:

How do we find the line that's perpendicular to another?

We find the negative reciprocal. So for example if our slope is 2, the negative reciprocal would be - \frac{1}{2}.

3 0
3 years ago
An airplane left Miami, FL. At the same time another plane left Santiago, Chile. The two planes flew toward each other at rates
Nina [5.8K]
Since we know that LCM of both 625&575 is 14375, we must find the hours it took for both planes to arrive at this same destination.

Plane 1(625): Took 23 hours to arrive.

Plane 2(575): Took 25 hours to arrive.

Therefore, the answer should be from 23-25 hours to arrive or if looking for middle number, 24 hours exactly.

Hope this helps.
7 0
3 years ago
Help please asap! Struggling with math graph problem
Kay [80]


We're told (5,-2) is on the line, that's x=5, y=-2


First one y-5 = -7, (x+2)/3=7/3, not equal


Second one y+5=3, (x-2)/3=1, not equal


Third one y+2=0, (x-5)/3=0, TRUE, equal


Fourth one, y-2=-4 (5+5)/3=10/3, not equal



Answer: third choice y+2 = (1/3)(x+5)



7 0
3 years ago
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