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ankoles [38]
3 years ago
13

The diameter of circle Q is 14 cm. Find the arc length of PR.

Mathematics
1 answer:
mario62 [17]3 years ago
7 0

Answer:

4.15, or 1.32pi

Step-by-step explanation:

arclength is circumference(34/360)

so pi x d (34/360)

3.14 x 14 x (34/360) = 4.15, or 1.32pi

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Show that if u+v and u-v are orthognal, then the vectors u and v must have the same length.
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Answer with Step-by-step explanation:

We are given that

u+ v and u-v are orthogonal

We have to prove that u and v must have the same length.

When two vector a and b are orthogonal then

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By using the property

(u+v)\cdot (u-v)=0

We know that

(a+b)\cdot (a-b)=\mid a\mid^2-\mid b\mid^2

\mid u\mid ^2-\mid v\mid^2=0

\mid u\mid^2=\mid v\mid^2

Magnitude is always positive

When power of base on both sides are equal then base will be equal

Therefore,

\mid u\mid=\mid v\mid

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3 years ago
You and six friends play a game where each person writes down his or her name on a scrap of paper, and the names are randomly di
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On a team’s opening day, fans in a baseball stadium were asked how many home games they plan to attend this season. The histogra
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X = 8/15
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Add like terms.

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