Answer:
Step-by-step explanation:
The applicable rule of exponents is ...
(a^b)(a^c) = a^(b+c)
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<em>Comment on the rule of exponents</em>
You can see where the rule comes from when you consider that an exponent signifies repeated multiplication.
x² = x·x . . . . . . the 2 signifies that x is a factor 2 times
x³ = x·x·x . . . . the 3 signifies that x is a factor 3 times
The product of these is ...
(x²)(x³) = (x·x)(x·x·x) = x·x·x·x·x = x⁵ = x²⁺³
Given:
The cost to install x number of central air conditioning units for a company is given by the function
To find:
The cost to install 45 air conditioners.
Solution:
We have,
Putting x=45, we get
Therefore, the cost to install 45 air conditioners is $60433.33.
Answer:
100 revolts
Step-by-step explanation:
180s = 3min
150/3 is 50,
50 = 1 min
50 * 2 is 100
Answer:
45 members voted and 15 didn't vote
Step-by-step explanation:
Answer:
72.5°
Step-by-step explanation:
180° - 35° = 2y°
145° = 2y
145/2 = 50+22+0.5 = 72.5
