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stealth61 [152]
2 years ago
9

Please help me i cant understand this

Mathematics
1 answer:
bazaltina [42]2 years ago
3 0

Set them equal because they are equal angles:

2x-3=x+4
x=7

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The volume of this cylinder is 20,403.72 cubic yards. What is the radius? Use ​ ≈ 3.14 and round your answer to the nearest hund
MakcuM [25]
The formula for the volume of a cylinder is V=3.14r^2(h).
So substituting the volume: 20,403.72=3.14r^2(h).

To solve for ‘r’, divide both sides by 3.14h
r^2=6,498/h
Then find square root of both sides
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Since ‘h’ is not specified here, it cannot be solved further.
4 0
2 years ago
PLEASE HELP ITS URGENT
OlgaM077 [116]

The missing step in this proof is ∠BAC ≅ ∠BDE ⇒ answer D

Step-by-step explanation:

If two triangles are similar by SAS, then their corresponding angles are

equal and the 3rd corresponding sides have constant ratio

In the two triangles ABC and DBE:

  • ∠ABC ≅ ∠DBE
  • \frac{AB}{DB}=\frac{BC}{BE}

Then the two triangles are similar

From similarity:

∠BAC ≅ ∠BDE

∠BCA ≅ ∠BED

∴ The missing step is ∠BAC ≅ ∠BDE

The missing step in this proof is ∠BAC ≅ ∠BDE

Learn more:

You can learn more about triangles in brainly.com/question/3451297

#LearnwithBrainly

8 0
3 years ago
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D) 150 miles   ~    because when you multiply 150 miles by 30 cents every mile you get 45 which you add to the $20 a day fee you reach $65 which is equal to the $65 of Agency A
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The ratio of girls to boys in a lunchroom is 3 to 4. There are 48 boys. How many girls are there?
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Answer:

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ratio is 3 to 4

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