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Iteru [2.4K]
3 years ago
5

A student has started a lawn care business. He charges $15 per hour to mow lawns and $20 per hour for gardening. Because he is s

till in school, he is only allowed to work for at most 20 hours per week. His goal is to make at least $300 per week.
Create a system of equations or inequalities that models the situation.
Define the variables you use.
Mathematics
1 answer:
marusya05 [52]3 years ago
7 0

Answer:

10/20

Step-by-step explanation:

$15 for 10 hours and $20 for 10 hours

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Pepsi [2]

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<h3>What is the Area of a Polygon?</h3>

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Note that to calculate the area, it will be

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4 0
2 years ago
A set W of strings of symbols is defined recursively by 1. a, b, and c belong to W. 2. If x belongs to W, so does a(x)c. Which o
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Answer:

a. a(b)c  

b. a(a(b)c)c  

d. a(a(a(a)c)c)c          

Step-by-step explanation:

We are given the following in the question:

a,b,c \in W\\\text{If } x \in W \Rightarrow a(x)c \in W

a. a(b)c

It is given b belongs to W.

b \in W\\\Rightarrow a(b)c \in W

b. a(a(b)c)c

a(b)c \in W\\\Rightarrow a(a(b)c)c \in W

c. a(abc)c

a(abc)c does not belong to W because we cannot find x in W such that a(abc)c belongs to W.

d. a(a(a(a)c)c)c

a \in W\\\Rightarrow a(a)c \in W\\\Rightarrow a(a(a)c)c \in W\\\Rightarrow a(a(a(a)c)c)c

e. a(aacc)c

a(aacc)c does not belong to W because we cannot find x in W such that a(aacc)c belongs to W.

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2 years ago
250 calls in 10 hours = _ calls in 15 hours
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3 years ago
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3 years ago
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so about 55 ish
I think that's right but I'm not sure :)

3 0
3 years ago
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