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melamori03 [73]
3 years ago
14

3. Find the total surface area.16 cm36 cm12 cm​

Mathematics
1 answer:
KonstantinChe [14]3 years ago
5 0

Answer:

2400 cm^2

Step-by-step explanation:

Surface Area = 2×(16×36 + 16×12 + 36×12) = 2400 centimeters^2

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4a. If (11+x) is positive, but (4+x) is negative, what is one number that x could be?
sattari [20]

Answer:

Step-by-step explanation:

x has to be equal to or less than a -5 to get (4 + x) to be a negative number.

x has to be equal to or greater than -10 for (11 + x) to be a positive number.

Therefore, any number between -10 and -5 will work.

8 0
3 years ago
How would 0.09 be represented as a percent? A. 0.9% B. 9% C. 90% D. 0.0009%
posledela
Answer: 9%

Explanation:

To convert a decimal to a percent, move the decimal point two spaces to the right.
4 0
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Which statement is true about the given information?
Lubov Fominskaja [6]

Answer

∴ The true statement is Answer:

The true statement is BD ≅ CE  ⇒ 3rd answer

Step-by-step explanation:

- There is a line contained points B , C , D , E

- All points are equal distance from each other

- That means the distance of BC equal the distance of CD and equal

 the distance of DE

∴ BC = CD = DE

- That means the line id divided into 3 equal parts, each part is one

  third the line

∴ BC = 1/3 BE

∴ CD = 1/3 BE

∴ DE = 1/3 BE

∵ BC = CD

∴ C is the mid-point of BD

∴ BC = 1/2 BD

∵ CD = DE

∴ D is the mid-point of DE

∴ CD = 1/2 CE

- Lets check the answers

* BD = one half BC is not true because BC = one half BD

* BC = one half BE is not true because BC = one third BE

* BD ≅ CE is true because

 BD = BC + CD

 CE = CD + DE

 BC ≅ DE and CD is common

 then BD ≅ CE

* BC ≅ BD is not true because BC is one half BD

∴ The true statement is BD ≅ CE

plz mark me brainliest

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2 years ago
For the following system, use the second equation to make a substitution for y in the first equation.
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Answer:

It is A

Step-by-step explanation:

2x + y = 5

y + 3 = 2x

From equation 2:

y = 2x - 3

Substituting in the first equation:

2x + 2x - 3 = 5.

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3 years ago
Helpppppppppppppppppppppppppp
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Answer:

B its 4 7/8 --------------

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