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suter [353]
3 years ago
12

An athletic director pays $90 for 12 sun visors for the softball team. how much will the athletic director pay to buy 15 more su

n visors? what is the cost of 16 sun visors? Part B
Mathematics
1 answer:
TiliK225 [7]3 years ago
6 0
First, you would need to find out how much 1 sun visor would cost. To do this, you would divide $90 among the 12 sun visors. 
$90 ÷ 12 = $7.50

It costs $7.5 per sun visor. 

Next, you would need to create an equation to find out how much it will cost to buy 15 more sun visors. 
($7.50 × 15) + $90 = $202.50

It will cost $202.50 in total to buy 12 visors plus another 15. 

Now, the last thing you would need to do is calculate how much it would cost to buy 16 sun visors.  
$7.50 × 16 = $120

It would cost $120 to buy 16 sun visors. 

I hope this helps!
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Answer:

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Step-by-step explanation:

A <em>change</em> is a <em>difference</em>. A <em>rate of change</em> is <em>one difference divided by another</em>, usually the change in y-value divided by the change in x-value.

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<h3>a.</h3>

The change in elevation is the difference between the elevation at the end of the period (6 inches) and the elevation at the beginning of the period (3 inches). The change in time period is the difference between the end time (8 min) and the beginning time (4 min).

  change in elevation per minute = (6 -3 inches)/(8 -4 min)

  = (3 inches)/(4 min) = 3/4 inches/minute

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<h3>b.</h3>

Similarly, ...

  change in elevation per minute = (3 -7 1/2 inches)/(18 -14 min)

  = (-4 1/2 inches)/(4 min) = -1 1/8 inches/minute

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<h3>c.</h3>

We know that 3/4 is more than -1 1/8, but when we talk about the "fastest rate of change", we're generally interested in the magnitude--the value without the sign. That means we understand a rate of change of -1 1/8 inches per minute to be "faster" than a rate of change of 3/4 inches per minute.

The rate of change from Part B is fastest. 1 1/8 inches per minute is more than 3/4 inches per minute.

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Answer:

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Step-by-step explanation:

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Answer:

(0, 7)

Step-by-step explanation:

The point that crosses the y-axis is called the y-intercept of the line.

We are given an equation of the line and we need to determine the y-intercept. This can be done by determining the constant in the equation.

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Constants are such terms that include only numbers. There should be no variables in constants.

<u>We know that:</u>

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The constant we can see in the equation is "7". Therefore, the y-intercept is 7.

Note: The y-intercept of the line must have an x-coordinate of 0.

<u>Therefore,</u>

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