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maw [93]
3 years ago
10

A carnival charges $5 to enter, and $2 per ride. If you paid a total of $23, which of

Mathematics
1 answer:
emmasim [6.3K]3 years ago
7 0

Answer:

5+2x=23

Step-by-step explanation:

The number of rides you went on is 9.

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Express as a unit rate. $18.50 for 5 lbs​
m_a_m_a [10]

Answer:

3.7 dollars per lb

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Hellpppp me please this test is my whole life and if I don’t pass I’m ruined for life so please HELPPPP MEEEEE
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expanded form: 5 * 5 * 5

value: 125

Step-by-step explanation:

3 0
3 years ago
Simplify: 3x^2-8x+4 and show work please
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believe what you're asking is to turn the trinomial into two binomials

So you first have to get 3x²; the only way to get this is

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you can tell that this is the answer because when you multiply though you will get:

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Hope this helped


5 0
3 years ago
A number raised to a negative exponent is negative. always never sometimes
Romashka [77]
It is negative only when the number itself is negative.
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8 0
3 years ago
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Find so that the point (-1,2) is on the graph f(x)=ax^2+4. What does A equal?
natali 33 [55]

We have to find the parameter a so that (-1,2) is part of the function f(x) = ax²+4.

To check if a point is part of a function, we can replace the values of x and y = f(x) with the coordinates of the point and then, if the equation stays true, then the point is part of the function.

So for (x,y) = (-1,2) to be part of the function y = f(x), this equation has to stands true:

\begin{gathered} y=f(x) \\ y=ax^2+4 \\ 2=a(-1)^2+4 \\ 2=a+4 \\ a=2-4 \\ a=-2 \end{gathered}

Then, the function would have to be f(x) = -2x² + 4.

We can check with a graph as:

Answer: a = -2

8 0
1 year ago
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