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larisa [96]
3 years ago
10

How do I find the radius of this circle?​

Mathematics
1 answer:
Katena32 [7]3 years ago
8 0

Answer: the answer is 10

Step-by-step explanation: divide the sector area and measure  90 divided by 9 = 10

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The sum of the speeds of two trains is 720.1 miles per hour. If the speed of the first train is 5.9 mph faster than that of the
Troyanec [42]
Train 1 = (x) = 357.1 mph
Train 2= (x + 5.9) = 363 mph
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3 years ago
Find tan , sin , and seco, where 0 is the angle shown in the figure.
kicyunya [14]

Answer:

  • tan(θ) = 5/3
  • sin(θ) = 5√34/34
  • sec(θ) = √34/3

Step-by-step explanation:

The hypotenuse is given by the Pythagorean theorem:

  h = √(3² +5²) = √34

The trig functions are the ratios of sides:

  Tan = Opposite/Adjacent

  tan(θ) = 5/3

__

  Sin = Opposite/Hypotenuse

  sin(θ) = 5/√34 = (5/34)√34

__

  Sec = Hypotenuse/Adjacent

  sec(θ) = √34/3

3 0
4 years ago
Graph the following inequality on the number line above. 3x < 12
irina [24]
Take the three and divide it with the 12 which would get you 4 so put a open circle Above the 4 and make the line go to the left I think I hope this will help
4 0
3 years ago
PLS TELL ME HOW THIS TRICK WORKED!! I HAVE TO SUBMIT KT SOON!
madreJ [45]

Answer:

x=2

Step-by-step explanation:

let the unknown number be x

now we are to find x regarding the question as an equation, let's form the equation to solve for x

the interpretation of the question is:

(x² + x)/3 = x

by collecting the like terms:

(x²+ x) = 3x

x² + x = 3x

x² = 3x - x

x² = 2x

x = 2

8 0
3 years ago
Read 2 more answers
Seven subtracted from 3 times a number is equal to 9 more than 5 times the number (3x - 7 = 5x + 9) What is that number?
kirza4 [7]
The number to the equation is x=-8
8 0
4 years ago
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