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Komok [63]
2 years ago
9

For a new customer, a video store charges $10 for a rental card plus $2 per movie. Write and solve a linear equation to find the

cost for a new customer to rent 6 movies
Mathematics
1 answer:
WITCHER [35]2 years ago
7 0
Anything per something means that is a rate, so you will have a variable on that, such as x.

So $2 per movie, is interpreted as 2x

The $10 is a set price for a rental card, and will not change.

So a linear equation is interpreted as y = 2x + 10

Set x to 6 because you are renting that many movies. 

y = 2(6) + 10
y = $22
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Answer:

1

Step-by-step explanation:

7 0
2 years ago
Solve the following equation: <br><br> x^3 -168 = [24(x-2)] / 2<br><br> PLEASE REPLY ASAP
Nataly_w [17]
Hi Larry

x^3 - 168 = [ 24(x-2)] / 2
x^3 - 168 = (24x - 48)/2
x^3 - 168 = 12x - 24
Subtract 12x - 24 to both sides
x^3 - 168 - (12x - 24) = 12xx - 24 - (12x - 24)
x^3 - 12x - 144 = 0
Now, factor the left sides
(x - 6)(x^2 + 6x + 24) = 0
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x = 0 + 6 or x^2 + 6x + 24 - 0
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Good luck !
7 0
3 years ago
The ratio of 600m to 3km in simplest form
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3 km = 3000m
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60:300 divide by 10
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6 0
3 years ago
A researcher wants to determine whether the number of minutes adults spend online per day is related to gender. A random sample
suter [353]

Answer:

The expected frequency for the cell E2,2 is = 33

Step-by-step explanation:

The given data is

Gender               | 0-30| 30-60| 60-90| 90+       Totals

Male                    | 23    |    35   |   76    |  46        180

<u> Female               |   31   |    42   |   46    |  16         135    </u>

<u>Totals                    54         77        122    62          315  </u>

<u />

The expected frequency for the cell E2,2 is :

Expected for the (30-60 box for females)   =  Total of (30-6)/ (total )* females

                                                                      = ( 77/315)135= 33

Here p= 77/315 and n= 135

therefor X= pn = 33

χ²=  (33-42)²/33= 2.455  ( for the single value of E2,2=33)

Expected for the (30-60 box for males)   =  Total of (30-6)/ (total )* males

                                                                      = ( 77/315)180= 44

χ²=  (44-42)²/44= 0.09

The critical region is  χ² (0.05) 3 ≥  χ²= 11.34

Let the null and alternate hypothesis be

H0:the number of minutes spent online per day is not related to gender

against

Ha: the number of minutes spent online per day is related to gender

The single value of χ² for E2,2 = 2.45 is less than the critical value of 11.34.  

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Let's go though the choices.

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The generators are the lines through the vertex that form the cone.  The plane isn't steep enough to hold any of them. FALSE

4 0
3 years ago
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