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rjkz [21]
3 years ago
12

If 2 > -a, then _____. a > 2 a > -2 a < 2 a < -2

Mathematics
2 answers:
grigory [225]3 years ago
7 0

Answer:

B

Step-by-step explanation:

:))

FinnZ [79.3K]3 years ago
4 0

Answer:

B. a >-2

Step-by-step explanation:

Hope this helps! Ask me anything if you have any quistions!

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A 5.00 L air sample has a pressure of 107 kPa at a temperature of -50C. If the temperature is raised to 102C and the volume expa
joja [24]

Answer:

129.9 kPa

Step-by-step explanation:

The relationship between temperature T, volume V and pressure P is given by the ideal gas equation which is given as

K = PV/T where K is a constant such that were there is a change of temperature T₁, volume V₁ and pressure P₁ to  temperature T₂, volume V₂ and pressure P₂ then the relationship may be given

P₁V₁/T₁ = P₂V₂/T₂

where T is measured in ⁰K

T₁ = -50 + 273

= 223 ⁰K

T₂ = 102 + 273

= 379 ⁰K

5 × 107/223  = P₂ × 7/379

P₂ = 129.9 kPa

7 0
3 years ago
Quadrilateral EFGH was dilated by a factor of 3. What is FG F'G'
Nikolay [14]
The coordinates would be multiplied by 3, as the scale factor is 3, and it is a dilation, so we know the size increases.
7 0
3 years ago
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What is the lowest common multiple of 120 160 180
Anna11 [10]
20 it the least common multiple of the numbers given
4 0
3 years ago
What's the average of 19 from 45
Naya [18.7K]
The average can be calclculated as follows:
average = sum of number/number of numbers
average = (19+45) / 2 = 64/2 = 32
4 0
3 years ago
Read 2 more answers
Please help anyone and explain please
umka2103 [35]

So if you distribute 4 in the first parentheses, you get 12x+20y+8z.

Then you distribute 3 in the second parentheses. You'll get 3x-3z. That all equals 12x+20y+8z+3x-3z.

Now you have to start combining numbers with the same variable. Start with x. 12x+3x is 15x.

y has no other common variable, it's left alone.

8z-3z is 5z

All together now with the numbers in simpler form, the equation is 15x+20y+5z

Jenna's would be the right answer because when you distribute 5 in her answer you get 15x+20y+5z

5 0
3 years ago
Read 2 more answers
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