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MatroZZZ [7]
3 years ago
8

Algebra 1 Solving Linear Expressions.What is 9x-6=-3x+30?

Mathematics
1 answer:
Allushta [10]3 years ago
4 0


The answer is x=6.     9x-6=3x+30

                                    9x-3x-6=3x-3x+30

                                     6x-6=0 +30

                                     6x-6 + 6= 0 + 30 +6

                                     6x=36

                                      6x/6=36/6

                                         x=6 

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Step-by-step explanation:

1week \:  = 5 \\ 4 \: weeks = x \\  \\ x = 20

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What key features are necessary and how they can be used to create the sketch of a polynomial function?
Tomtit [17]

The key features of polynomials are the vertex, axis of symmetry, x and y intercepts.

 

<span>1.    </span>The degree will help you find the end behavior.

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I am hoping that these answers have satisfied your queries and it will be able to help you in your endeavors, and if you would like, feel free to ask another question.

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3 years ago
A truck can be rented from Company A for ​$70 a day plus ​$0.50 per mile. Company B charges ​$20 a day plus ​$0.60 per mile to r
r-ruslan [8.4K]

Answer:

The rental cost for Company A and Company B will be the same after 500 miles

Step-by-step explanation:

The total cost of renting a truck from Company A can be expressed as;

Total rental cost(Company A)=Cost per day+Total rate

where;

Cost per day=70

Total rate=rate per mile×number of miles (m)=(0.5×m)=0.5 m

replacing;

Total rental cost(Company A)=70+0.5 m...equation 1

2. The total cost of renting a truck from Company B can be expressed as;

Total rental cost(Company B)=Cost per day+Total rate

where;

Cost per day=20

Total rate=rate per mile×number of miles (m)=(0.6×m)=0.6 m

replacing;

Total rental cost(Company B)=20+0.6 m...equation 2

Equating equation 1 to equation 2

70+0.5 m=20+0.6 m

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m=50/0.1

m=500 miles

The rental cost for Company A and Company B will be the same after 500 miles

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