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Lilit [14]
4 years ago
5

A persons part-time job pays $5.50 per hour. Write an expression to represent the amount he earns for working n hours.

Mathematics
1 answer:
Pavlova-9 [17]4 years ago
6 0
5.50/n
 In fraction form
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Y=2x−1
lord [1]

Answer:

(1,1) is a solution of the system.

Step-by-step explanation:

Let's solve the system.

y = 2x - 1

5x - 4y = 1

In the first equation, y is already separated as a function of x. So we replace in the second equation;

5x - 4(2x - 1) = 1

5x - 8x + 4 = 1

4 - 1 = 8x - 5x

x = 1

y = 2x - 1 = 2(1) - 1 = 1

(1,1) is a solution of the system.

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3 years ago
Tom reports that the ratio of teachers to students at South High School and North High School is the same. There are 45 teachers
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Answer:

use photomath the app for the answer

Step-by-step explanation:

3 0
3 years ago
Are 6x - 12 and 6x - 6 equivalent expressions
Lorico [155]

Answer:

Combine any like terms on each side of the equation: x-terms with x-terms and constants with constants. Arrange the terms in the same order, usually x-term before constants. If all of the terms in the two expressions are identical, then the two expressions are equivalent.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Suppose that y varies inversely with x.Write an equation for the inverse variation Y=4 when x=7
myrzilka [38]

Answer:

If y varies inversely as x, then we write it as:

y = k/x


where k is some constant.


If we multiply both sides of this equation by x we get an equation for k:

k = x*y


We are given that y=4 when x=7, therefore:

k = 7*4 = 28


Put this back into our original equation to get:

y = 28/x



4 0
3 years ago
Bob is a travel agent. He receives 7% commission when he books a cruise for a customer. How much commission will he receive for
Kamila [148]

Answer:

$273

Step-by-step explanation:

$3900= 100%

$39 = 1%

39(1%)*7= $273 (7%)

5 0
4 years ago
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