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Doss [256]
3 years ago
8

A circle with radius of 6 cm sits inside a circle with radius of 9 cm.

Mathematics
2 answers:
taurus [48]3 years ago
5 0

Answer:

Equation for the area of a circle- π r²

The 2 radiuses are 6 and 9.

6 squared is 36 and 9 squared is 81.

The smaller one is 36π and the larger one is 81π.

The difference between them is the area of the shaded region.

81π - 36π = 45π

Use 3.14 for π.

45 x 3.14 = 141.3 u²

Hope this helps!

mario62 [17]3 years ago
5 0

Answer:

141.37

Step-by-step explanation:

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Determine whether each ordered pair is a solution of the system.
Stolb23 [73]

According to the system:

5 – 7x + 2y² = -10

1 – 5x – 2y = -22

______________

a) No ; (4, 6) is not a solution to the

system. This point does not touch either equation.

b) No ; (6, 4) is not a solution to the system. This point does not touch either equation.

Solutions:

( \frac{122 - 3 \sqrt{101}}{25}, \frac{ - 7 +3 \sqrt{101}}{10}) ≈ (3.674, 2.315) \\ ( \frac{122  +  3 \sqrt{101}}{25}, \frac{ - 7  - 3 \sqrt{101}}{10}) ≈ (6.086, -3.715)

x = ( 122 ∓ 3√101 ) / 25 ≈ 3.674 or 6.086

y = ( -7 ± 3√101 ) / 10 ≈ 2.315 or -3.715

8 0
3 years ago
Round to the nearest whole number 35, 2, 7, 33, 25, 70, 75, 40, 42, 12, 15, 7, 44, 20, 25, 3, 65, 62
natulia [17]

The numbers 35, 2, 7, 33, 25, 70, 75, 40, 42, 12, 15, 7, 44, 20, 25, 3, 65, and 62 are all whole numbers.

  • All natural numbers and 0 are considered whole numbers. They are real numbers without fractions, decimals, or negative integers.
  • Rounding a number implies simplifying it while retaining its value close to what it was. The end output is less precise but more usable.
  • In a given base, a round number is an integer that ends with one or more "0s." So, 590 is more rounded than 592 but less rounded than 600. A round number is frequently understood in both technical and casual language to stand for a value or values close to the nominal value represented.

To learn more about whole numbers, visit :

brainly.com/question/17429689

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6 0
2 years ago
How do you solve the equation 3w-(-4)=8-w
Anit [1.1K]
3w-(-4)=8-w
4w+4=8
4w=4
w=1
8 0
3 years ago
3.75x-5-8.75X+4.5+0.5
exis [7]

Step-by-step explanation:

3.75x-5-8.75x+4.5+0.5

=3.75x-8.75x+4.5+0.5-5

=-5x+5-5

==-5x

4 0
3 years ago
If f(x) = x + 1, and g(x) = 2x the g(f(x)) =
Slav-nsk [51]
2(x+1)
2x+2 is your final answer
3 0
3 years ago
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