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dimulka [17.4K]
2 years ago
10

During a promotional event a sporting goods store gave a free t-shrit to every 10 customer and a free water bottle to every 15 c

ustomer which customer has the first to get a free t-shirt and a free water bottle
Mathematics
1 answer:
SVETLANKA909090 [29]2 years ago
3 0

9514 1404 393

Answer:

  30th

Step-by-step explanation:

The least common multiple of 10 and 15 is 30.

  30 = 10×3 = 15×2

The 30th customer will be the first to receive both promotional items.

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A human heart beats approximately 60 times per minute. If a man lives to the age of 90, how many times will his heart in his lif
makkiz [27]

Answer:

90 Years = 47,304,000 Minutes = 47304000 Minutes.

Step-by-step explanation:

7 0
3 years ago
Hello, Brainly community!
ioda

Answer:

(B)  \displaystyle \frac{W(3.1) - W(2.9)}{0.2}

General Formulas and Concepts:

<u>Calculus</u>

Limits

Derivatives

  • The definition of a derivative is the slope of the tangent line.

Derivative Notation

Instantaneous Rates

  • Tangent Line: \displaystyle f'(x) = \frac{f(b) - f(a)}{b - a}

Step-by-step explanation:

Since we are trying to find a <em>rate</em> at which W(t) changes, we must find the <em>derivative</em> at <em>t</em> = 3.

We are given 2 close answer choices that would have the same <em>numerical</em> answer but different <em>meanings</em>:

  1. (A)  \displaystyle  \lim_{t \to 3} W(t)
  2. (B)  \displaystyle \frac{W(3.1) - W(2.9)}{0.2}

If we look at answer choice (A), we see that our units would simply just be volume. It would not have the units of a rate of change. Yes, it may be the closest numerically correct answer, but it does not tell us the <em>rate</em> at which the volume would be changing and it is not a derivative.

If we look at answer choice (B), we see that our units would be cm³/s, and that is most certainly a rate of change. Answer choice (B) is also a <em>derivative</em> at <em>t</em> = 3, and a derivative tells us what <em>rate</em> something is changing.

∴ Answer choice (B) will give us the best estimate for the value of the instantaneous rate of change of W(t) when <em>t</em> = 3.

Topic: AP Calculus AB/BC (Calculus I/I + II)

Unit: Differentiation

Book: College Calculus 10e

8 0
2 years ago
The ratio x : 8 is equivalent to the ratio 8 : x^2. What is the value of x?
dimulka [17.4K]

Answer:

x=1

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
If square + circle= triangle then triangle - square =? And how do you know the answer is correct?
EastWind [94]

Answer:

Circle

Step-by-step explanation:

if square plus circle is triangle then if you subtract a square from it all you have left is a circle

7 0
3 years ago
I don't understand, please help.
JulijaS [17]
5y^2-2x/3x^2y^3
 hope you understand its as a fraction.


7 0
3 years ago
Read 2 more answers
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