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Vsevolod [243]
3 years ago
7

Mrs. Duran ordered a used book online. She paid a total of $5.65 for the book and shipping. The cost of the book alone was $3.31

. How much did she pay for shipping?
Mathematics
1 answer:
SVEN [57.7K]3 years ago
4 0
2.34............. hope it helps
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If x:y = 2:5, find the value of (-x+3y):(2x+y)
Anit [1.1K]

Answer:

let x=2t and y=5t

-x+3y = -2t+15t = 13t

2x+y = 4t+5t = 9t

So the ratio is 13t : 9t

So, the ratio is 13 : 9

6 0
3 years ago
Solve system if equations
Alexandra [31]

Answer:

(2, 9)

x = 2

y = 9

Step-by-step explanation:

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To solve by graphing, we graph both of the equations and find the point at which the lines intersect.

[Graph]

-> See attached

Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly.

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7 0
3 years ago
The ordered pair (0,0)(1,4)(2,16)(3,36)(4,64). write a rule that represents the function.
gayaneshka [121]
Let x represent first number in pair and y represent second number. We can see that x numbers are increasing by 1 on each next pair. y numbers are square of 0,2,4,6 and 8

Knowing all of that let "n" represent the position of the pair starting from 0!

than we can write that the rule is:
(n,(2n)^2)
7 0
4 years ago
Write a quadratic function that only has one root
AlekseyPX

Answer:

y= x squared.

Step-by-step explanation:

When graphed, the parabola only has an x-intercept at (0,0). Since a root is another word for an x-intercept, it only has one root.

I hope this helps, and I hope you have a good day.

3 0
4 years ago
A lumberyard will deliver wood for $7 per board foot plus a delivery charge of $10. Find a function C(x) for the cost (in dollar
Paladinen [302]

Answer:

C(x) = 7x + 10

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If the delivery charge is $10 for any number of board feet ordered.

If the delivery charge is $10 for each board feet ordered, the function would

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4 0
3 years ago
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