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kvv77
14 days ago
8

A music app charges $2 to download the app plus $1.29 per song downloaded. Write and solve a linear equation to find the total c

ost to download 30 songs
Mathematics
1 answer:
Leona [12.6K]14 days ago
6 0
1.29(30) +2 Step-by-step explanation: Begin by calculating 1.29 multiplied by 30, which results in 38.7. Next, add 2 to this sum to arrive at 40.7. Consequently, the total expense amounts to $40.70.
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A random survey of the quality of city park is taken.sixty-five percent of the people surveyed were pleased with the condition o
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The total number of individuals surveyed is 280. From the survey results, 65% were satisfied with the park's condition. Given that this satisfied group represents 182 people, we can calculate the overall survey population using this information.
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22 days ago
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In the diagram below BD is parallel to XY. What is the value of x
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The value of x equals 60 degrees.

This is because alternate interior angles are equal by definition :)

Can I get the brainliest award please?

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1 month ago
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James knows that when h walks, he takes about 120 steps per minute and that each step is 2.75 feet long. Which calculation is mo
babunello [11817]

Answer:

120*2.75*60/5280

= 3.75

Step-by-step explanation:

Considering James takes 120 steps in a minute, with 60 minutes in an hour and a mile consisting of 5,280 feet, we can establish his walking pace. By multiplying his steps per minute by the distance of each step (120 * 2.75), we determine the distance he covers in one minute. This value is then multiplied by 60 to account for the total hour. Finally, the total distance is divided by the feet in a mile (5,280), which results in a speed of 3.75 miles per hour. Thus, the calculation becomes 120*2.75*60/5280

4 0
1 month ago
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Which statements describe a residual plot for a line of best fit that is a good model for a scatterplot? Check all that apply.
babunello [11817]

Response: The accurate statements include:-

There are nearly equal quantities of points located above and below the x-axis.

The points are distributed haphazardly without a distinct pattern.

The total number of points matches that of the scatter plot.

Explanation:

  • A residual plot illustrates residuals on the vertical axis against the independent variable on the horizontal axis.

Consequently, the count of points is on par with the scatter plot, and roughly the same amount of points exist above and below the x-axis.

Given the random distribution of the points throughout the plot, it signifies there is no correlation, therefore, the points are scattered randomly without a clear arrangement.


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26 days ago
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Water leaves a spigot at a rate of 462 cubic inches per minute. How many cubic feet of water is this per hour? (Round your answe
tester [12383]

Answer:

16 cubic feet per hour

Step-by-step explanation:

This involves a straightforward conversion from inches to feet.

Step 1: Establish the conversion scale

---> the volume of water in 1 minute is 462 cubic inches

--->1 cubic foot = 1728 cubic inches

--->1 hour consists of 60 minutes,

Step 2: Determine the volume in feet per hour

Volume of water in one hour =  0.0347 x 462

---> the amount of water in 1 hour =  = 16.0314 cubic feet

---> Rounded to--> 16 cubic feet

Thus, 462 cubic inches per minute equates to 16 cubic feet of water on an hourly basis

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