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Katyanochek1 [597]

3 years ago

10

Is this correct please tell me sooner then later thank you

1 answer:

lys-0071 [83]3 years ago

3 0

Correct. This is the distance around the circle, aka the perimeter.
False. Going from center (O) to the point A is the radius, which is half the diameter. Answer: radius
Correct. The diameter is a chord that goes through the center. A chord is any segment where the endpoints are on the circle's edge.
Correct. There are three radii shown in this diagram. The other radius is OC. Segment BC is a chord that is neither a diameter nor a radius.

In short, all you need to do is change "diameter" to "radius" in question 2. Other than that, you're perfect.

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The coordinate points of T are (0,6). The midpoint of ST is (6,-8). Find the coordinate of point S.

givi [52]

Answer:

The coordinates of the point S = (12, -22)

Step-by-step explanation:

The coordinate points of T = (0,6)

Mid point of ST = (6,-8)

Let the coordinates of S = (a,b)

Now, BY MID POINT FORMULA:

If (x, y) and (z, w) are the line point joining line segment and (p,q) is the coordinate of mid point. Then

$(p, q) = (\frac{x + z}{2} , \frac{y + w}{2} )$

So, here similarly, $(6, -8) = (\frac{(0+a)}{2} , \frac{6+ b}{2} )$

⇒ $6 = \frac{0+a}{2} , -8 = \frac{6+ b}{2}$

⇒ a =2 x 6 = 12, b = 2 (-8) -6 = -22

⇒(a,b) = (12, -22)

Hence, the coordinates of the point S = (12, -22)

6 0

3 years ago

What is the period for the function y = -4 cos (5x +3)? (4.3)

BlackZzzverrR [31]

The periodicity of function is $\frac{2 \pi}{5}$

<em><u>Solution:</u></em>

Given that we have to find the period of function

<em><u>Given function is:</u></em>

$y = -4 + cos(5x+3)$

<em><u>Use the below formula:</u></em>

$\mathrm{Periodicity\:of\:}a\cdot \cos \left(bx\:+\:c\right)\:+\:d=\frac{\mathrm{periodicity\:of}\:\cos \left(x\right)}{|b|}$

Thus,

$Peridocity\ of\ cos(5x + 3) - 4 = \frac{\text{periodicity of cos(x)}}{5}$

Now find the periodicity of cos(x)

We know that,

periodicity of cos(x) = $2 \pi$

Therefore,

$Peridocity\ of\ cos(5x + 3) - 4 = \frac{2 \pi}{5}$

Thus the periodicity of function is $\frac{2 \pi}{5}$

4 0

3 years ago

PLEASE HELP... WILL GIVE BRAINLIEST

likoan [24]

Answer:

the answer is B.

Step-by-step explanation:

hope this helps!

7 0

3 years ago

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The elevation of a tree's root is -13 feet and spans a radius of 8 feet. If the elevation of the tree is 28 feet with branches t

Irina-Kira [14]

Total length of the tree is 41ft from root tip to top.

5 0

3 years ago

Which of these numbers have 3 as a factor? Check all that apply. A. 36 [ B. 57 O C. 14 D. 89 E. 88 F 90

jekas [21]

Answer:

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