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Oksana_A [137]
3 years ago
5

An arc is intercepted by a two radio that form an angle of 3π/4 radians. If the radius of the circle is 7 inches then which of t

he following is closest to the arc length, s, also measured in inches?
(1) 12.8
(2) 16.5
(3) 18.5
(4) 21.8

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
8 0
The correct answer is 18.5
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krek1111 [17]
3x^(2)+4x-3x-5-2=0
3x^(2)+x-7=0
Discriminat= b^(2)-4ac= 1^(2)-4(3)(-7)= 1-12(-7)=1+84=85
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4 0
3 years ago
Find the distance between the points (7,23) and (3,-3), rounded to the hundredths place​
Molodets [167]

Answer:

26.31

Step-by-step explanation:

Use distance formula

d = \sqrt{(x_{2}-x_{1)^{2} + (y_{2}-y_ ^{1)^2} }  }

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3 years ago
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otez555 [7]

Answer:

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Step-by-step explanation:

Let's solve your inequality step-by-step.

8<3−5x<18

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Answer:

\large\boxed{\left(r+\dfrac{1}{4}\right)\left(r-\dfrac{1}{4}\right)=r^2-\dfrac{1}{16}}

Step-by-step explanation:

\text{Use}\ (a+b)(a-b)=a^2-b^2\\\\\left(r+\dfrac{1}{4}\right)\left(r-\dfrac{1}{4}\right)=r^2-\left(\dfrac{1}{4}\right)^2=r^2-\dfrac{1^2}{4^2}=r^2-\dfrac{1}{16}

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