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3 years ago

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At an airport it cost $7 to park for up to one hour and $5 per hour for each additional hour. Let x represent the number of hour

s parked. Write the function that models the cost, C(x), of parking x hours, where x is an integer greater than 1

1 answer:

AURORKA [14]3 years ago

6 0

Answer:

C(x)=7+5x

Step-by-step explanation:

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Use the identity (x+y)(x2−xy+y2)=x3+y3 to find the sum of two numbers if the product of the numbers is 10, the sum of the square

professor190 [17]

Answer:

The sum of two numbers is 7.

Step-by-step explanation:

Given : the product of the numbers is 10, the sum of the squares of the numbers is 29, and the sum of the cubes of the numbers is 133.

Using identity $(x+y)(x^2-xy+y^2)=x^3+y^3$ and given details, we have to find the sum of two numbers.

Since, given that the product of the numbers is 10 that is $xy=10$

Also, given the sum of the squares of the numbers is 29 that is $x^2+y^2=29$

and the sum of the cubes of the numbers is 133 that is $x^3+y^3=133$

Using, the given identity $(x+y)(x^2-xy+y^2)=x^3+y^3$ ,

Substitute, the given values, we have,

$(x+y)(29-10)=133$

Simplify , we get,

$(x+y)(19)=133$

Divide both side by 19, we have,

$(x+y)=7$

Thus, the sum of two numbers is 7.

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In which step did Honi make the mistake

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Kedar earns a monthly salary of $2,200 plus a 3.75% commision on the amount of his sales at men's clothing store. What would he

Dmitriy789 [7]

Answer:

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Step-by-step explanation:

Kedar earns a monthly salary of $2200 and a commission of 3.75%

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The first step is to calculate his commission for this month

His commission can be calculated as follows

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Therefore yr amount earned this month can be calculated as follows

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Answer:

x=2-y-z

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