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lozanna [386]
4 years ago
6

if you spend at least $50 (including shipping) at an online store, you receive a $10 giftcard. You want to buy CDs that cost $12

.50 each. If shipping costs $5 , write and solve an inequality to find the number of CDs you must buy to receive the gift card.
Mathematics
1 answer:
Amiraneli [1.4K]4 years ago
5 0
50 is greater than or equal to 12.5x + 5
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Consider the graph of f(x) given below.
tiny-mole [99]

The functions could represent g(x) is B. g(x) = f(x - 5)

<h3>How can the function be determined?</h3>

Using the general equation g(x) =f(x)+ b

The g(x) has intercept of y=-2,

Then the  y-intercept of f(x) is at y=3

If we find the difference between both y-intercepts, we have

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2 years ago
Which of the following best describes the graph of this system of equations ? y=-2x+3 and 5y=-10x +15
ELEN [110]

Remark

When talking about straight lines, D is never true. Never.

C is possible, but in this case not true. Read on.

B. Might be true but in this case it is not. The lines (to be parallel) have to have the same number in front of the x. These two lines do when you divide through by 5. But the y intercept has to be different. That is not so in this case. So B is incorrect.

A is your answer. If you divide through by 5 on the second one, you get the first one. They are identical.

6 0
3 years ago
What is the center and radius of the circle with the equation x2 + y2 = 42
MakcuM [25]
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Bad White [126]

Answer:

68%

Step-by-step explanation:

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5 0
3 years ago
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Answer: (5,4)

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6 0
3 years ago
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