3 years ago

Elements vs. compounds which substance is a compound or an element

1 answer:

3 0

Answer:

A pure substance that is made up of ONE type of atom is known as an element. So, an element would be any pure substance that is made up of a single type of atom.

A compound is the chemical combination of two or more atoms in a fixed proportion. So, a substance that is made up of two or more atoms that have chemically combined is known as a compound.

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Juan got a new helicopter for Christmas and the time it takes to ascend to certain heights is shown above. His sister, Marla, be

Greeley [361]

Well for the first one,
You have to find out if it is at 25 ft at one second, but since you can't you find the next best thing, find 25 feet then see how many seconds it is at.

For the second one you would have to find where they directly meet, I chose 40 and 20
40 April Sales = 20 March Sales
So this means that for every March sale you would have 2 April sales. 40/20 = 2

7 0

3 years ago

✨PLEASE HELP✨ DUE SOON

mestny [16]

Hey :) it’s (2,5) it’s C !!

6 0

2 years ago

Read 2 more answers

What system of equations does not have the same solution

Effectus [21]

Answer:

2x + y = 4

4x + 2y = 12

Step-by-step explanation:

Equations 2x + y = 4 & 4x + 2y = 12 haven't the same solution.

$2x + y = 4...(1) \\ 4x + 2y = 12 \\ 2(2x + y) = 12 \\ 2x + y = \frac{12}{2} \\ 2x + y = 6...(2) \\ rhs \: of \: equations \: (1) \: and \: (2) \: are \: \\ not \: sme.$