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2 years ago

8

A sample of oxygen gas occupies a volume of 2.50 L at 98.6 kPa pressure. What volume will

2 answers:

Orlov [11]2 years ago

4 0

3.0 would be the volume

sesenic [268]2 years ago

3 0

The answer is 3.0 hope that helps

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Write and solve an equation to find the number n. The difference of three times a number and 4 is -19.

Law Incorporation [45]

Answer:

-5

Step-by-step explanation:

Let n be the unknown number

difference is subtraction

3n -4 = -19

Add 4 to each side

3n-4+4 = -19+4

3n = -15

Divide by 3

3n/3 = -15/3

n = -5

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2 years ago

What is the surface area of the square pyramid

user100 [1]

Answer:

128 feet squared

Step-by-step explanation:

you multiply 4 by 4 to get 16 ,

then you multiply 7 by 4 and get 28,

also multiply 28 by 4 and get 112 ,

finally add 112 and 16 to get 128

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2 years ago

Convert 3.25 to a fraction

Lunna [17]

3 and one 1/4 or 13/4

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3 years ago

Why does the following system of linear equations have no solution? x + 4y = 20 x + 4y = 16

Shkiper50 [21]

4y+4y=21x+16
8y=21x+16

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2 years ago

Need the answer thanks

Drupady [299]

The correct answer is A) y+2x=0

(Graph to show answer)

A is red

B is blue

C is green

D is purple

7 0

3 years ago