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adelina 88 [10]
3 years ago
15

Simplify the ratio 20:50:100

Mathematics
1 answer:
ad-work [718]3 years ago
8 0

Answer:

2:5:10

Step-by-step explanation:

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Elza [17]

Answer:

(8, 20)

Step-by-step explanation:

Let's input each values of the ordered pair given as options to see which one satisfy the equation y = 16 + 0.5x

==>Option 1: (0, 18)

18 = 16 + 0.5(0)

18 = 16 + 0

18 ≠ 0

Option 1 is incorrect.

==>Option 2: (5, 19.5)

19.5 = 16 + 0.5(5)

19.5 = 16 + 2.5

19.5 ≠ 18.5

Incorrect.

==>Option 3: (8, 20)

20 = 16 + 0.5(8)

20 = 16 + 4

20 = 20

CORRECT

==>Option 4: (10, 21.5)

21.5 = 16 + 0.5(10)

21.5 = 16 + 5

21.5 ≠ 21

Incorrect.

The answer is (8, 20)

4 0
3 years ago
Find the value of y. Round your answer to nearest tenth. Please help
iren [92.7K]

9514 1404 393

Answer:

  (c)  52.0

Step-by-step explanation:

The angle whose cosine is 8/13 is found using the inverse cosine function:

  y° = arccos(8/13) ≈ 52.0°

  y ≈ 52.0

__

The calculator button to compute this value is probably labeled cos⁻¹. You may need to access the function using a <em>Shift</em> or <em>2nd</em> key. The calculator must be set to degrees mode to prevent the answer from appearing in radians or grads. If you use a spreadsheet, your formula may look like ...

  =DEGREES(ARCCOS(8/13))

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This is the difference of two perfect cubes.

(6y-4)(36y^2+24y+16)
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