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Dimas [21]
3 years ago
9

The temperature during the day in Miami was 92 degrees fahrenheit. During the night, the temperature fell 4 degrees fahrenheit.

What expression could be used to calculate the temperature in the morning?
A. 92 + 4
B. 92 - (-4)
C. 92-4
D. -92+ 4
Mathematics
2 answers:
valentinak56 [21]3 years ago
7 0
Hello There!

'Fell' means decreased which means you'd use subtraction
You are simply taking away (subtracting) 4 from 92
The correct expression is C. 92 - 4
Just so you know, the temperature in the night would have been 88 degrees Fahrenheit.

Hope This Helps You!
Good Luck :) 

- Hannah ❤<span />
BigorU [14]3 years ago
4 0
You need to take away 4 degrees from 92.
"Take away" means subtraction.
92 - 4
The answer is option C.
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3 years ago
The pressure, P, of a gas varies inversely with its volume, V. Pressure is measured in units of Pa. Suppose that a particular am
docker41 [41]
The answer is 26 Pa.

<span>The ideal gas law can be presented as:
PV = nRT
where
P - pressure of the gas,
V - volume of the gas,
n - amount of substance of gas,
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But, we do not need to know all of the equation members since the right side of the equation is not affected and will remain the same. It is enough the left side of the equation:

P₁V₁ = P₂V₂

It is given:

P₁ = 104 Pa

V₁ = 108 L

V₂.= 432 L


The unknown is P₂ = ?


P₁V₁ = P₂V₂.

104 Pa × 108 L = P₂ × 432 L

11,232 Pa L = P₂ × 432 L

P₂ = 11,232 Pa ÷ 432 

<span>P₂ = 26 Pa</span>

<span>
</span>

<span>Therefore, the new pressure will be 26 Pa.</span>

8 0
3 years ago
Question pt. 2 <br>how would you do this problem if the numbers don't cancel each other out.
sp2606 [1]

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8 0
3 years ago
What am I supposed to put as an answer?? this is so confusing
kaheart [24]

The 'i' should go in front of the square root, not inside it.

So the answer should be i\sqrt{15}

--------------

The way they wrote the expression \sqrt{15}i is bit misleading as it might imply that the 'i' is under the square root. However the square root ends after the "5". It might be better to say (\sqrt{15})i so there is clearer separation. But sticking the "i" in front is also a valid option.

side note: the plus minus part is already handled so there's no need to worry about that.

8 0
3 years ago
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MakcuM [25]
It’s an undefined slope:)
3 0
3 years ago
Read 2 more answers
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