2 years ago

Find the value of y- ( 8y +2) and (3y +5)= 73

1 answer:

7 0

Y=6 because if you break it down you get (11y+7) =73 then you subtract 7 from both sides to get 11y=66 then you divide 11 on both sides to get y=6

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Angle c is inscribed in circle O. AB is a diameter of circle O. what is the radius of circle.

Llana [10]

Answer:

The value of radius is 7.5 units

Step-by-step explanation:

Given that a line that pass through the origin and form a triangle is a right-angle triangle. So in order to find the diameter/hypotenuse, you have to use Pythogaras Theorem :

${c}^{2} = {a}^{2} + {b}^{2}$

Let a = 12 units,

Let b = 9 units,

Let c = hypo.,

${hypo.}^{2} = {12}^{2} + {9}^{2}$

${hypo.}^{2} = 225$

$hypo. = \sqrt{225}$

$hypo. = 15 \: \: units$

We have found out that the hypotenuse of the triangle is the diameter of circle. So in order to find radius, you have to divide it by 2 :

$radius = diameter \div 2$

$radius = 15 \div 2$

$radius = 7.5 \: \: units$

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3 years ago

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Murljashka [212]

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4 0

2 years ago

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Jet001 [13]

Answer:

Step-by-step explanation:

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2 years ago

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The circumference of a circular tabletop is 226. 08 inches. What is the area, in square inches, of the tabletop? *

Delicious77 [7]

Answer:

40,143.4 square inches

Step-by-step explanation:

c= 226.08

r= 113.04

area = Pi *r^2

3 0

2 years ago

Solve log x = 3. Please help

zhuklara [117]

Answer:

Log x = 3 is the same as Log into base 10 of 3

Recall from Law of Logarithm: if Log a = x , then a = 10^ x

therefore If Log x = 3 , then x = 10^3 = 1000

Step-by-step explanation:

4 0

2 years ago