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aliina [53]
3 years ago
9

What is the domain of the function f(x)=2x+5

Mathematics
2 answers:
rodikova [14]3 years ago
6 0

Answer:

The Answer is B - All real numbers

Thank me Later

Step-by-step explanation:


Black_prince [1.1K]3 years ago
3 0
The answer is B. All real numbers. :)
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6 0
2 years ago
You are recreating a scale drawing at a different scale. The original scale is 1 cm : 8 m. The new scale is 1 cm : 2 m. In the o
densk [106]

Answer:

The segment should be 36 centimeters long

Step-by-step explanation:

Let us use the ratio method to solve the question

∵ The original scale is 1 cm : 8 m

∵ In the original drawing, the length of a segment is 9 centimeters

→ By using the ratio method

→  cm   :  m

→  1      :  8

→  9     :  x

→ By using the cross multiplication

∵ 1 × x = 9 × 8

∴ x = 72 m

∴ The actual length of the segment is 72 m

∵ The new scale is 1 cm : 2 m

∵ The actual length of the segment is 72 m

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→  1      :  2

→  y      :  72

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∵ y × 2 = 1 × 72

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→ Divide both sides by 2 to find y

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∴ The drawing length of the segment is 36 cm in the new scale

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3 years ago
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