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PilotLPTM [1.2K]
2 years ago
15

How do you use the order of operations to simplify expressions with exponents

Mathematics
1 answer:
yaroslaw [1]2 years ago
6 0
It could be PEMDAS.
That means solve by this order:
1). Parenthesis
2). Exponents
3). Multiplication
4). Division
5). Addition
6). Subtraction

To remember the order they say it like
this " Please Excuse My Dear Aunt Sally "




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Given the functions f(x) = 3x²+5x-8 and g(x) = 2x²+4x-9<br><br> Find f(x) + g(x) and g(x) -f(x)
evablogger [386]
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3 years ago
Newton’s law of cooling states that the temperature of an object changes at a rate proportionalto the difference between the tem
Verizon [17]

Answer:

\frac{dT}{dt} = -0.05\;min^{-1}  (T-70\ºF)

Step-by-step explanation:

Hi!

Lets call:

T = temprature of the object

T₀ = temperature of surroundings

t = time

The rate of change of T is its derivative with respecto to time. If T > T₀, the object looses heat, so T decreases. Then, being k > 0:

\frac{dT}{dt} = -k(T-T_0) \\

In this case T₀ = 70ºF and k = 0.05/min. Then the differential equation is:

\frac{dT}{dt} = -0.05\;min^{-1}  (T-70\ºF)

3 0
3 years ago
If -2a &gt; 6, then _____.<br><br> a &gt; -3<br> a &gt; 3<br> a &lt; 3<br> a &lt; -3
shutvik [7]

Answer:

a<-3

bc -3(-2)=6

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Step-by-step explanation:

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Express 160 as product of their prime factor
MariettaO [177]

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F(8x+5)^-1=0.2

(8+5)^-1=0.077
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3 years ago
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