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jarptica [38.1K]
2 years ago
7

This shaded shape is made using two semicircles. One semicircle has a diameter of 20cm. The other has a diameter of 30cm. 

Mathematics
2 answers:
Brilliant_brown [7]2 years ago
8 0

Answer:

25

Step-by-step explanation:

alexandr1967 [171]2 years ago
6 0

Answer:

25

Step-by-step explanation:

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Identify The domain of the rational function, g(x)= 1/x+3
8_murik_8 [283]

Answer:

The domain is (-∞ , -3) ∪ (-3, ∞) ⇒ D

Step-by-step explanation:

<em>The domain of the rational fraction is t</em><em>he values of x which make the fraction defined</em><em>. That means </em><em>the domain does not contain the values of x which make the denominator equal to 0</em><em>.</em>

∵ g(x) = \frac{1}{x+3}

∴ The denominator = x + 3

→ Equate the denominator by 0

∵ x + 3 = 0

→ Subtract 3 from both sides

∴ x + 3 - 3 = 0 - 3

∴ x = -3

→ That means the domain can not have -3 because it makes the denominator

   equal to 0

∴ The domain is all values of real numbers except x = -3

∴ The domain = {x : x ∈ R, x ≠ -3}

∴ The domain = (-∞ , -3) ∪ (-3, ∞)

4 0
3 years ago
Solve for k.<br><br> 12k − 4k = 8
egoroff_w [7]

K=1

Hope this Helps

-Dante

6 0
3 years ago
Read 2 more answers
Adrian is putting streamers across the ceiling of his dining room to decorate for his nephew’s birthday party. The ceiling is re
ale4655 [162]

Answer: hello there here is your answer:

17.5 feet

Step-by-step explanation:

Area of rectangle = Length x Width  

Length = Area/Width = 122.5 / 7 = 17.5 feet

hope this helps

have a god day bye

7 0
3 years ago
Read 2 more answers
Solve the equation<br><br> -12 = x - 1 + 28
Savatey [412]
X=15 since you subtract 1 from 27 then subtract 12 from 27 and you get 15
6 0
3 years ago
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What is a counter example conjecture?
Sever21 [200]

9514 1404 393

Answer:

  • 2 and 2
  • 1 and 4

Step-by-step explanation:

Consider the answer choices.

  3 & 5: product 15, sum 8 . . . . product > sum

  2 & 2: product 4, sum 4 . . . . product = sum (not >)

  1 & 4: product 4, sum 5 . . . . product < sum (not >)

Of the offered choices there are two counter examples:

  2 and 2

  1 and 4

_____

<em>Additional comment</em>

Chances are that the preferred answer is 1 and 4.

1 and <anything> will be a counterexample.

7 0
3 years ago
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