2 years ago

How many moles are in 30.0g of N2

Mathematics

2 answers:

vazorg [7]2 years ago

4 0

Answer:1.0709

Step-by-step explanation:

solmaris [256]2 years ago

4 0

Answer:

Step-by-step explanation:

To be very accurate 1.1

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2 years ago

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2 years ago

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PLEASE HELP IS POSSIBLE :)

Arisa [49]

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Step-by-step explanation:

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2 years ago

Jacob and Sarah are saving money to go on a trip. They need at least $2000 in order to go. Jacob mows lawns and Sarah walks dogs

Paladinen [302]

Answer:

$20x+10y\ge 2000$

Step-by-step explanation:

Let x represent the number of lawns Jacob mowed and y represent the number of dogs Sarah walked.

Jacob charges $20 each time he mows a lawn, then he earns $20x for x lawns mowed.

Sarah charges $10 each time she walks a dog, then she earns $10y for y dogs walked.

In total, they will earn $(20x + 10y). They need at least $2000 in order to go on a trip, then

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Note that $x\ge 0,\ y\ge 0.$

7 0

2 years ago

Can someone help me part 2

Otrada [13]

Step-by-step explanation:

y = ¼x + 2

m1 = ¼

m of line perpendicular = m2

the formula is : m1×m2 = -1

=> m2 = -1 ÷ m1

= -1 ÷ ¼ = -4

so, the equation is :

y = -4x - 7 (option A)

3 0

2 years ago