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2 years ago

A point is on a circle if the distance from the center of the circle to the point is equal to the

Mathematics

2 answers:

QveST [7]2 years ago

6 0

Radius. A circle is defined by points which are all the same distance from a point. This distance is the radius.

suter [353]2 years ago

5 0

Answer: radius

Step-by-step explanation:

We know that the distance from the center of a circle to the point present on circle is known as radius of the circle.

Therefore, A point is on a circle , if the distance from the center of the circle to the point is equal to the <u>radius</u>.

Whereas, the distance of a point from another point on a circle passing from circle of the circle is known as diameter of the circle.

The circumference of a circle is the distance around the circle.

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Seattle, WA and San Francisco, CA lie on the same longitudinal line. San Francisco is at 38° latitude and Seattle is at 47° lati

Helen [10]

Step 1.

Calculate measure of angle α:

$47^o-38^o=9^o$

Step 2.

Calculate what fraction of the angle 360° is the angle α:

$\dfrac{9^o}{360^o}=\dfrac{1}{40}$

Step 3.

Calculate the circumference of the Earth (circle):

$C=2\pi r\to C=2\pi\cdot4000=8000\pi\ mi$

Step 4.

The length of arc is equal 1/40 of the circumference:

$\dfrac{1}{40}C=\dfrac{1}{40}\cdot8000\pi=200\pi\ mi$

$\pi\approx3.14\to\dfrac{1}{40}C\approx200\cdot3.14=628\ mi$

<h3>Answer: A) 628 miles</h3>

7 0

3 years ago

As a lifeguard, sara earns a base pay of $80 per day. if her day involves swim instruction, sara earns an additional 9t dollars,

zhuklara [117]

Answer:

Step-by-step explanation:

Sara's base pay is $80

(a) The 9t represents the additional amount of money that she earns if she gives instruction for t hours. 9 stands for $9 per hour

b)The term in the expression is t which stands for the number of hours that she instructs. The coefficient is 9 which stands for the hourly rate

c) The expression for 7 hours would be

We will substitute t into 80 + 9t. It becomes

80 + 9×7

d) in all, she will earn

80 + 9×7 = $143

4 0

3 years ago

Expand the following by using distributive property 6(-3w+1/3)

netineya [11]

Answer:

-18w+2

Step-by-step explanation:

7 0

2 years ago

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Sam is filling up his pool. The water hose filled the 392 gallon pool in 49 minutes. At what rate did the hose fill the pool in

cestrela7 [59]

Your answer would be 8 Hammond per minute. Hope this helps!

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2 years ago

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4) Find the volume of the pyramid.

Ahat [919]

Answer:

672

Step-by-step explanation:

12 * 12 = 144

144* 14 = 2016

2016 / 3 = 672.

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2 years ago

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