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nevsk [136]
2 years ago
14

Jacob’s parents have allowed him to get a cell phone but he must pay his own cell phone bill. He pays a flat rate of $35 and $0.

50 for every minute he talks on the phone. If y represents the total cost of the bill and x represents minutes talking on the phone, which equation best fits the situation?
Mathematics
1 answer:
Annette [7]2 years ago
6 0

Answer:

35 plus x.50=y

Step-by-step explanation:

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Literal equation L=s1+s2 solve for s2
7nadin3 [17]
Subtract s1 to both sides to get L+s1=s2
4 0
3 years ago
Which second degree polynomial function f(x) has a lead coefficient of 3 and roots 4 and 1?
9966 [12]

For this case we have that the following function complies with the given conditions:

f (x) = 3x ^ 2 - 15x + 12

To prove it, let's find the roots of the polynomial:

3x ^ 2 - 15x + 12 = 0

By doing common factor 3 we have:

3 (x ^ 2 - 5x + 4) = 0

Factoring the second degree polynomial we have:

3 (x-1) (x-4) = 0

Then, the solutions are:

Solution 1:

x-1 = 0\\x = 1

Solution 2:

x-4 = 0\\x = 4

Answer:

A second degree polynomial function f (x) that has a lead coefficient of 3 and roots 4 and 1 is:

f (x) = 3x ^ 2 - 15x + 12

5 0
3 years ago
Read 2 more answers
Factor completely 4x4 − 24x3 + 36x2.
ehidna [41]
Factor out 4x² from everybody
4x²(x²-6x+9)
factor inner
what 2 numbers multipliy to gete 9 and add to get -6
-3 and -3
4x²(x-3)(x-3)
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4x²(x-3)²


first option
3 0
3 years ago
Read 2 more answers
Need help please I would really appreciate it
Nataly_w [17]

Answer:

The slope of line is 9

Step-by-step explanation:

We can use two pairs of input-output from the table to find the slope of the given line. Here x is input and y is output.

Slope is defined as the steepness of a line and is given by the formula:

m = \frac{y_2-y_1}{x_2-x_1}

Selected pairs from table are:

(-1,-18) and (0,-9)

Here

x_1 = -1\\x_2 = 0\\y_1 = -18\\y_2 = -9

Putting the values in the formula

m = \frac{-9-(-18)}{0-(-1)}\\=\frac{-9+18}{0+1}\\= 9

Hence,

The slope of line is 9

6 0
3 years ago
Plz help me and show work this is worth 25points
andrezito [222]
The answers are..
6. 55
7. 6
8. 39
9. 17
8 0
2 years ago
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