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never [62]
3 years ago
15

Any idea please help me

Mathematics
1 answer:
rodikova [14]3 years ago
4 0
R/5 -6 =-1 
      +6=+6 
r/5=5
so r equals 5 squared 5 squared is 25 and 25/5=5 so r=25
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The weight V of an object on Venus varies directly with its weight E on Earth. A person weighing 120 lb on Earth would weigh 106
baherus [9]

Answer: 132.50


Step-by-step explanation:

120/106 = 1.132

150/1.132 = 132.508


3 0
3 years ago
Three less than triple a number is the same as the number plus 57. What is the number?
saw5 [17]
Make this into an equation keeping the number as x
3x-3 = 57+x
3x-x = 57+3
2x=60
x= 30

prove this by substituting the x 
30*3 -3 =57+30
87=87
there you have it :)
3 0
3 years ago
the old price for school lunches is $5. The new price is $5.25. What is the percent increase in the cost if school lunches? Writ
Elanso [62]

p = 5.25-5.00/5.00

p =0.25/5.00

p=0.05 = 5% increase

5 0
3 years ago
The radius of a sphere is 6 inches. Find the length of a chord connecting two perpendicular radii. x = inches
Lilit [14]
<h3>Answer:</h3>

6√2 ≈ 8.485 inches

<h3>Step-by-step explanation:</h3>

The radii and the chord together make an isosceles right triangle with legs 6 inches long. The hypotenuse of such a triangle is √2 times the leg length. So, the chord will be 6√2 in long.

_____

<em>Comment on isosceles right triangle</em>

It is worth remembering that the hypotenuse of an isosceles right triangle is √2 times the leg length. This is easily found using the Pythagorean theorem:

... c² = a² + b²

... c² = 1² + 1² = 2 . . . . for legs of length 1

... c = √2 . . . . . . . . . . take the square root.

Scale this result as needed for any particular problem. Here, the scale factor is 6 inches.

3 0
3 years ago
An angle measures 45°. What is the measure of its supplement
Degger [83]

Answer:

135

Step-by-step explanation:

Two supplement angles add up to equal 180 degrees.

So, (45+x=180)

180-45=x

135=x

5 0
3 years ago
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