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Aneli [31]
3 years ago
8

Please help me with this question, #5.

Mathematics
1 answer:
Whitepunk [10]3 years ago
7 0
A.
yes, the candle starts high/tall, then as it melts over time it gets smaller and smaller until is all gone.

b.
y = mx + b
y = 4/2x +  8
y= 2x + 8

c.
Well, since it's slope/unit rate is greater/faster it will burn quicker, therefore you will still start at 8 on the y ais, but it would decrease 3 in. each hour, instead of 2, like the orignal problem.

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A cube has an edge of 2 feet. The edge is increasing at the rate of 3 feet per minute. Express the volume of the cube as a funct
Harrizon [31]

Answer:

36  ft³/min

Step-by-step explanation:

Given that:

Let assume that length of the cube = m

Then;

m = 2 feet  &;

\dfrac{dm}{dt}= 3 \ ft/ min

The volume (V) = m³

By differentiating with respect to t, we get

\dfrac{dV}{dt} = 3m^2 \dfrac{dm}{dt}

\dfrac{dV}{dt} = 3(2)^2 \times 3

\dfrac{dV}{dt} = 12 \times 3

= 36 ft³/min

4 0
3 years ago
Find the measure of arc DB.<br> 25°<br> 96°<br> 118°<br> 146°
Oksanka [162]

Answer: 146°

Step-by-step explanation:

6 0
2 years ago
Temperatures have been falling steadily at 5°F each day. What integer expresses the change in the temperature in degrees 7 days
RSB [31]

Answer:

after 7 days the temperature would be 35 degrees less than the first day.

therefore, -35 would express the change in temp.

Step-by-step explanation:


5 0
3 years ago
What is the radical form of each of the given expressions?
Ahat [919]

Answer:

Step-by-step explanation:

These exponential forms can be written into radicals very easily as long as you remember the rule:  The denominator of the rational exponent serves as the index of the radical and the numerator serves as the exponent on the radicand. Let's look at a rational exponent.  3/4  4 would be the index on the radical (the number that sits in the little dip of the radical sign) and 3 is the power on the base.  So

x^{\frac{3}{4}} can be written in radical form as

\sqrt[4]{x^3}

Let's do 3^3/2 in your problem.  2 is the index (which is a "normal" square root and you don't need to write a 2 there cuz it's understood that it's a 2 if nothing is there), and 3 is the power on the base, which in our case is a 3.  Bases can be numbers OR letters.

3^{\frac{3}{2}}=\sqrt[2]{3^3}=\sqrt{3^3}

That does in fact have an actual number answer, but I don't think you are simplifying them yet, only learning to write them from one form to another, so there you go!

5 0
3 years ago
What is 78/100 simplified to its smallest form
frozen [14]
78/100 Simplified to the smallest form Is 39/50!

Hope I Helped! ( Smiles )
7 0
3 years ago
Read 2 more answers
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