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meriva
3 years ago
12

12 inch candle and 18 inch candle lit at 7 pm . 12 inch candle burns 0.5 inch every hour . 18 inch candle burn 2 inch every hour

. What time will the 2 candle be the same hight?​
Mathematics
2 answers:
Nina [5.8K]3 years ago
8 0
2 heights urodjdhdkhdldbdb
spayn [35]3 years ago
6 0
2 heights shahbfjdhcvuvuibubu
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What is the value of the expression below
natulia [17]

Answer:

a=2,b=4. (3a+b)=3*2+4=10.

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2 years ago
The varsity basketball team started selling T-shirts online in 1994. The number of T-shirts sold online, s, is modeled by the gr
-Dominant- [34]

(PART-A): s-intercept in this case represents the y-intercept of the graph, whereas the t-intercept in this case represents the x-intercept of the graph.

Always remember that y-intercept represents the value of y where the curve (or line) crosses the y-axis, and x-intercept represents the value of x where the curve (or line) crosses the x-axis.

In the graph attached with the question, at point (0,6) the curve crosses the y-axis. Therefore, the <em>y-intercept (s-intercept) in this case is 6</em>. It means that in year 2000 (t=0), 6 hundred shirts were sold.

However, there is no point on the graph where the curve crosses the x-axis, meaning there is <em>no x-intercept (t-intercept)</em>. It means that there is <em>not</em> a single year when the number of shirts sold is 0.


(PART B): As you can see in the graph (attached with the question) that the <em>f(t)</em> is increasing (exponentially) with the increase in <em>t. </em>Therefore, we can safely say that as t increases without bound, the f(t) increases (also). In this context, it means that the sale of shirts increases as the years go by. Hence, the correct blank is "increases."


(PART C): The average rate of change is actually the slope. To find the slope, we can use the following formula:

slope = \frac{y_2 - y_1}{x_2 - x_1} --- (X)

Given points: (5, 12.5) and (7, 22). Plug the values in equation (X),

slope = \frac{22-12.5}{7-5} = 4.75

Hence, the average rate of change for the function between t=5 and t=7 is 4.75 (answer).


(PART D): This part is bit tricky. Therefore, read the explanation carefully!

You can see in the graph that number of Shirts sold is in <em>hundreds. </em>It means that 1 unit (of y-axis in a graph) represents 100 shirts. Therefore, as in the question it is mentioned that there are 1000 T-shirts sold, it will become 10 units (since 10*100 = 1000). So, the function g(t) will become the following:

g(t) = f(t) + 10 --- (Y)

Why did I add f(t)? Because in the question, the word "<em>and</em>" is underlined. It means that g(t) represents not only 1000 T-shirts (10*100 = 1000) sold at the basketball games each year, but it also has the number of T-shirts sold ONLINE, which is f(t).

Now insert f(t) in (Y) and solve:

g(t) = f(t) + 10\\g(t) = (1.5)^t + 5+ 10\\g(t) = (1.5)^t + 15

Hence, g(t) is (1.5)^t + 15

8 0
3 years ago
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Please solve math problem for me... I will mark you brainliest
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3 years ago
A parallelogram has a perimeter of 33.2 centimeters. Two of the sides are each 11.6
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5 0
2 years ago
Halla la diferencia de 2 numeros si su MCD es 48 y su suma es 288
Murrr4er [49]

    SUM:                x + y = 288

DIFFERENCE:   +  <u>x - y =  48 </u>

                            2x     = 336

                             x      = 168

 SUM: x + y = 288  →   (168) + y = 288   →   y = 120

Answer: 120, 168

7 0
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